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2024dissertation

Sieber, Guido:

Microbial resilience in changing environments : evaluating anthropogenic stress and monitoring strategies

Duisburg, Essen, 2024

2024article/chapter in journal

Marks, Robert G.H.; Rockel, Sarah P.; Kerpen, Klaus; Somnitz, Holger; Martin, Philipp R.; Jochmann, Maik A.; Schmidt, Torsten C.:

Effects of pH-dependent speciation on the photolytic degradation mechanism of phosphonates

In: Journal of Photochemistry and Photobiology A : Chemistry, Vol. 448 (2024), Article 115327

2024article/chapter in journal

Dobaradaran, Sina; Telgheder, Ursula; De-la-Torre, Gabriel E.; Rockel, Sarah P.; Mutke, Xenia A.M.; Schmidt, Torsten C.:

Elucidating nicotine transfer into water environments via cigarette butt remaining parts

In: Environmental Pollution, Vol. 341 (2024), Article 122943

2024article/chapter in journal

Vosough, Maryam; Salemi, Amir; Rockel, Sarah; Schmidt, Torsten C.:

Enhanced efficiency of MS/MS all-ion fragmentation for non-targeted analysis of trace contaminants in surface water using multivariate curve resolution and data fusion

In: Analytical and Bioanalytical Chemistry (2024), in press

2024article/chapter in journal

Kochale, Kjell; Lang, Björn; Cunha, Ricardo; Teutenberg, Thorsten; Schmidt, Torsten C.:

Online coupling of miniaturized HPLC and high performance thin layer chromatography by a fractionation unit for effect directed analysis

In: Advances in Sample Preparation, Vol. 9 (2024), Article 100102

2024article/chapter in journal

Kochale, Kjell; Cunha, Ricardo; Teutenberg, Thorsten; Schmidt, Torsten Claus:

Development of a column switching for direct online enrichment and separation of polar and nonpolar analytes from aqueous matrices

In: Journal of Chromatography A, Vol. 1714 (2024), Article 464554

2024book article/chapter in collection

Vosough, Maryam; Schmidt, Torsten C.:

Multiway data processing of hyphenated chromatographic data for targeted and nontargeted analysis of environmental samples

In: Fundamentals and Applications of Multiway Data Analysis / Olivieri, Alejandro C.; Escandar, Graciela M.; Goicoechea, Héctor C.; Muñoz de la Peña, Arsenio (Eds.). - Amsterdam: Elsevier, 2024 - (Data Handling in Science and Technology ; 33), pp. 517 - 547

2024article/chapter in journal

Merkus, Valentina I.; Leupold, Michael S.; Rockel, Sarah P.; Schmidt, Torsten C.:

Ozonation products of purine derivatives, the basic structures of antiviral micropollutants

In: The Science of the Total Environment, Vol. 912 (2024), Article 169073

2024article/chapter in journal

Vosough, Maryam; Schmidt, Torsten Claus; Renner, Gerrit:

Non-target screening in water analysis: recent trends of data evaluation, quality assurance, and their future perspectives

In: Analytical and Bioanalytical Chemistry (2024), in press

2024article/chapter in journal

Asghar, Anam; Lipfert, Daniel; Kerpen, Klaus; Schmidt, Torsten Claus:

Elucidating the inhibitory effects of natural organic matter on the photodegradation of organic micropollutants : Atrazine as a probe compound

In: Chemosphere, Vol. 352 (2024), Article 141390

2024article/chapter in journal

Lorenzo-Parodi, Nerea; Moebus, Susanne; Schmidt, Torsten C.:

Analysis of aromatic amines in human urine using comprehensive multi-dimensional gas chromatography-mass spectrometry (GCxGC-MS)

In: International Journal of Hygiene and Environmental Health, Vol. 257 (2024), Article 114343

2024dissertation

Tintrop, Lucie Katharina:

Development of green sample preparation methods for the analysis of organic substances in aqueous matrices with gas chromatography mass spectrometry

Duisburg, Essen, 2024

2024Review in journal

Abbasi, Fariba; De-la-Torre, Gabriel E.; KalantarHormozi, Mohammad Reza; Schmidt, Torsten C.; Dobaradaran, Sina:

A review of endocrine disrupting chemicals migration from food contact materials into beverages

In: Chemosphere, Vol. 355 (2024), Article 141760

2024article/chapter in journal

Mutke, Xenia A.M.; Swiderski, Philipp; Drees, Felix; Akin, Orkan; Lutze, Holger V.; Schmidt, Torsten C.:

Efficiency of ozonation and sulfate radical - AOP for removal of pharmaceuticals, corrosion inhibitors, x-ray contrast media and perfluorinated compounds from reverse osmosis concentrates

In: Water Research, Vol. 255 (2024), Article 121346

2024dissertation

Marks, Robert:

Liquid chromatography with simultaneous isotope ratio and high-resolution mass spectrometry detection : a powerful new tool for process investigation

Duisburg, Essen, 2024

2024article/chapter in journal

Reuschenbach, Max; Drees, Felix; Leupold, Michael S.; Tintrop, Lucie K.; Schmidt, Torsten C.; Renner, Gerrit:

qPeaks : A Linear Regression-Based Asymmetric Peak Model for Parameter-Free Automatized Detection and Characterization of Chromatographic Peaks in Non-Target Screening Data

In: Analytical Chemistry, Vol. 96 (2024), No. 18, pp. 7120 - 7129

2023article/chapter in journal

Marks, Robert G.H.; Drees, Felix; Rockel, Sarah; Kerpen, Klaus; Jochmann, Maik A.; Schmidt, Torsten C.:

Mechanistic investigation of phosphonate photolysis in aqueous solution by simultaneous LC-IRMS and HRMS analysis

In: Journal of Photochemistry and Photobiology A : Chemistry, Vol. 439 (2023), Article 114582

2023article/chapter in journal

Mutke, Xenia A. M.; Tavichaiyuth, Kittitouch; Drees, Felix; Lutze, Holger V.; Schmidt, Torsten C.:

Oxidation of the nitrogen-free phosphonate antiscalants HEDP and PBTC in reverse osmosis concentrates : Reaction kinetics and degradation rate

In: Water Research, Vol. 233 (2023), Article 119571

2023article/chapter in journal

Asghar, Anam; Kniesel, David; Hammad, Mohaned; Al-Kamal, Ahmed K.; Segets, Doris; Wiggers, Hartmut; Schmidt, Torsten Claus:

Kinetic evaluation of heterocatalytic ozone-based activation of peroxymonosulfate using acid-treated graphene catalyst for the degradation of micropollutants

In: Journal of Environmental Chemical Engineering, Vol. 11 (2023), No. 3, Article 109659

2023article/chapter in journal

Wiegand, Hanna Laura; Jütte, Mischa; Klein, Katharina; Kranefuß, Annika; Kim, Cheolyong; Lutze, Holger; Schmidt, Torsten Claus:

Influences of pH, Reagent Dose, and Water Matrix Components on the Formation and Utilization of Hydroxyl Radicals in the Oxidation of Bisphenol S and para-Chlorobenzoic Acid by the Fenton Reaction

In: ACS ES&T Water, Vol. 3 (2023), No. 3, pp. 629 - 638

2023article/chapter in journal

Werres, Tobias; Schmidt, Torsten Claus; Teutenberg, Thorsten:

Influence of the Column Inner Diameter on Chromatographic Efficiency in Miniaturized and Conventional Ultra-High-Performance Liquid Chromatography

In: Chromatographia : an international journal for rapid communication in chromatography, electrophoresis, and associated techniques, Vol. 86 (2023), No. 2, pp. 143 - 151

2023article/chapter in journal

Smollich, Esther; Döbbeler, Eberhard; Müller-Geipel, Tina; Stratmann, Lars; Koch, Christoph; Merkus, Valentina I.; Kostka, Kathrin; Okhrimenko, Denis V.; Solvang, Mette; Nachev, Milen; Zimmermann, Sonja; Schmidt, Torsten Claus; Sures, Bernd:

Assessment of acute and chronic ecotoxicological effects of aqueous eluates of stone wool insulation materials

In: Environmental Sciences Europe (ESEU), Vol. 35 (2023), No. 1, Article 24

2023dissertation

Hesse, Tobias:

The Potential of LC-IRMS : Carbon stable isotope analysis of amino acids in a host-parasite system and a proof-of principle study for δ15N measurements of nitrat

Duisburg, Essen, 2023

2023dissertation

Reinders, Lars Maximilian Heinrich:

Analytical monitoring of personalized drugs containing monoclonal antibodies: An alliance of patient and personnel safety

Duisburg, Essen, 2023

2023Review in journal

Tintrop, Lucie K.; Salemi, Amir; Jochmann, Maik; Engewald, Werner R.; Schmidt, Torsten Claus:

Improving greenness and sustainability of standard analytical methods by microextraction techniques : A critical review

In: Analytica Chimica Acta, Vol. 1271 (2023), Article 341468

2023article/chapter in journal

Castronovo, Sandro; Helmholz, Lissa; Wolff, David; Poulsen, Jan Struckmann; Nielsen, Jeppe Lund; Ternes, Thomas A.; Schmidt, Torsten Claus; Wick, Arne:

Protein fractionation and shotgun proteomics analysis of enriched bacterial cultures shed new light on the enzymatically catalyzed degradation of acesulfame

In: Water Research, Vol. 230 (2023), Article 119535

2023article/chapter in journal

Lau, Kinran; Niemann, Felix; Abdiaziz, Kaltum; Heidelmann, Markus; Yang, Yuke; Tong, Yujin; Fechtelkord, Michael; Schmidt, Torsten C.; Schnegg, Alexander; Kramer Campen, Richard; Peng, Baoxiang; Muhler, Martin; Reichenberger, Sven; Barcikowski, Stephan:

Differentiating between Acidic and Basic Surface Hydroxyls on Metal Oxides by Fluoride Substitution : A Case Study on Blue TiO₂ from Laser Defect Engineering

In: Angewandte Chemie International Edition, Vol. 62 (2023), No. 12, Article e202213968

2023article/chapter in journal

Lorenzo-Parodi, Nerea; Kaziur-Cegla, Wiebke; Gjelstad, Astrid; Schmidt, Torsten C.:

Liquid-phase microextraction of aromatic amines : Hollow fiber–liquid-phase microextraction and parallel artificial liquid membrane extraction comparison

In: Analytical and Bioanalytical Chemistry, Vol. 415 (2023), No. 9, pp. 1765 - 1776

2023article/chapter in journal

Reinders, Lars M. H.; Klassen, Martin D.; Endres, Patrick; Krumm, Andrea; Jaeger, Martin; Schmidt, Torsten Claus; Teutenberg, Thorsten:

Development of a Two-dimensional Liquid Chromatography High-Resolution Mass Spectrometry Method for the Characterization of Monoclonal Antibodies in Cell-Free Culture Supernatant via FcR Affinity Chromatography

In: Chromatographia : an international journal for rapid communication in chromatography, electrophoresis, and associated techniques, Vol. 86 (2023), No. 1, pp. 79 - 85

2023article/chapter in journal

Lorenzo-Parodi, Nerea; Leitner, Erich; Schmidt, Torsten C.:

Comparison of gas chromatographic techniques for the analysis of iodinated derivatives of aromatic amines

In: Analytical and Bioanalytical Chemistry, Vol. 415 (2023), pp. 3313 - 3325

2023article/chapter in journal

Kochale, Kjell; Thissen, Jana; Cunha, Ricardo; Lamotte, Stefan; Teutenberg, Thorsten; Schmidt, Torsten C.:

Enrichment and quantification of 18 polycyclic aromatic hydrocarbons from intermediates for plastics production by a generic liquid chromatography column switching

In: Journal of Separation Science, Vol. 46 (2023), No. 14, Article 2300076

2023article/chapter in journal

Merkus, Valentina I.; Leupold, Michael S.; Rockel, Sarah P.; Schmidt, Torsten Claus:

Insights into the Ozonation of Antiviral Purine Derivatives by the Basic Structures’ Kinetics and Ozone Consumption Ratios

In: ACS ES&T Water, Vol. 3 (2023), No. 8, pp. 2363 - 2372

2023article/chapter in journal

Merkus, Valentina I.; Leupold, Michael S.; Rockel, Sarah P.; Lutze, Holger; Schmidt, Torsten Claus:

Effects of organic matter and alkalinity on the ozonation of antiviral purine derivatives as exemplary micropollutant motif

In: Water Research, Vol. 243 (2023), Article 120387

2023article/chapter in journal

Soleimani, Farshid; Dobaradaran, Sina; Mohebbi, Gholamhossein; Vazirizadeh, Amir; De-la-Torre, Gabriel E.; Saeedi, Reza; Nabipour, Iraj; Novotny, Thomas E.; Schmidt, Torsten C.:

Toxic effect of cigarette butts leachates on blood markers of Periophthalmus waltoni species from the Persian Gulf region

In: Chemosphere, Vol. 319 (2023), Article 138036

2023article/chapter in journal

Vos, Matthijs; Hering, Daniel; Gessner, Mark O.; Leese, Florian; Schäfer, Ralf B.; Tollrian, Ralph; Boenigk, Jens; Haase, Peter; Meckenstock, Rainer; Baikova, Daria; Bayat, Helena; Beermann, Arne; Beißer, Daniela; Beszteri, Bánk; Birk, Sebastian; Sures, Bernd et al:

The Asymmetric Response Concept explains ecological consequences of multiple stressor exposure and release

In: The Science of the Total Environment, Vol. 872 (2023), Article 162196

2023article/chapter in journal

Hammad, Mohaned; Angel, Steven; Al-Kamal, Ahmed; Asghar, Anam; Said Amin, Amin; Kräenbring, Mena-Alexander; Wiedemann, Haakon T.A.; Vinayakumar, Vineetha; Yusuf Ali, Md; Fortugno, Paolo; Kim, Cheolyong; Schmidt, Torsten Claus; Kay, Christopher W.M.; Schulz, Christof; Segets, Doris; Wiggers, Hartmut et al:

Synthesis of novel LaCoO₃/graphene catalysts as highly efficient peroxymonosulfate activator for the degradation of organic pollutants

In: Chemical Engineering Journal, Vol. 454 (2023), Article 139900

2023article/chapter in journal

Hesse, Tobias; Nachev, Milen; Khaliq, Shaista; Jochmann, Maik A.; Franke, Frederik; Scharsack, Jörn P.; Kurtz, Joachim; Sures, Bernd; Schmidt, Torsten C.:

A new technique to study nutrient flow in host-parasite systems by carbon stable isotope analysis of amino acids and glucose

In: Scientific Reports, Vol. 13 (2023), No. 1, Article 1054

2023article/chapter in journal

Asghar, Anam; Hammad, Mohaned; Kerpen, Klaus; Niemann, Felix; Al-Kamal, Ahmed K.; Segets, Doris; Wiggers, Hartmut; Schmidt, Torsten C.:

Ozonation of carbamazepine in the presence of sulfur-dopped graphene : Effect of process parameters and formation of main transformation products

In: The Science of the Total Environment, Vol. 864 (2023), Article 161079

2023article/chapter in journal

Fromme, Theo; Tintrop, Lucie K.; Reichenberger, Sven; Schmidt, Torsten Claus; Barcikowski, Stephan:

Impact of Chemical and Physical Properties of Organic Solvents on the Gas and Hydrogen Formation during Laser Synthesis of Gold Nanoparticles

In: ChemPhysChem, Vol. 24 (2023), No. 11, Article e202300089

2023article/chapter in journal

Dobaradaran, Sina; Schmidt, Torsten Claus; Mutke, Xenia A.M.; De-la-Torre, Gabriel E.; Telgheder, Ursula; Kerpen, Klaus; Plonowski, Marcel:

Aromatic amines leachate from cigarette butts into aquatic environments : Is there risk for water organisms?

In: Environmental Research, Vol. 216 (2023), Article 114717

2023dissertation

Werres, Tobias:

Characterization of extra-column peak broadening in capillary high-performance liquid chromatography

Duisburg, Essen, 2023

2023article/chapter in journal

Bartels, Indra; Jaeger, Martin; Schmidt, Torsten Claus:

Determination of anti-SARS-CoV-2 virustatic pharmaceuticals in the aquatic environment using high-performance liquid chromatography high-resolution mass spectrometry

In: Analytical and Bioanalytical Chemistry, Vol. 415 (2023), No. 22, pp. 5365 - 5377

2023article/chapter in journal

Lorenzo-Parodi, Nerea; Kaziur-Cegla, Wiebke; Schmidt, Torsten Claus:

Automation and optimization of the sample preparation of aromatic amines for their analysis with GC–MS

In: Green Analytical Chemistry, Vol. 6 (2023), Article 100071

2023article/chapter in journal

Sieber, Guido; Drees, Felix; Shah, Manan; Stach, Tom L.; Hohrenk-Danzouma, Lotta; Bock, Christina; Vosough, Maryam; Schumann, Mark; Sures, Bernd; Probst, Alexander J.; Schmidt, Torsten Claus; Beisser, Daniela; Boenigk, Jens:

Exploring the efficacy of metabarcoding and non-target screening for detecting treated wastewater

In: The Science of the Total Environment, Vol. 903 (2023), Article 167457

2023article/chapter in journal

Mutke, Xenia A.M.; Drees, Felix; Lutze, Holger; Schmidt, Torsten C.:

Oxidation of the N-containing phosphonate antiscalants NTMP and DTPMP in reverse osmosis concentrates : Reaction kinetics and degradation rate

In: Chemosphere, Vol. 341 (2023), Article 139999

2023article/chapter in journal

Wenzel, Mike; Schoettl, Justus; Pruin, Laura; Fischer, Björn; Wolf, Carmen; Kube, Christine; Renner, Gerrit; Schram, Jürgen; Schmidt, Torsten C.; Türk, Jochen:

Determination of atmospherically deposited microplastics in moss : Method development and performance evaluation

In: Green Analytical Chemistry, Vol. 7 (2023), Article 100078

2023article/chapter in journal

Reinders, Lars M.H.; Klassen, Martin D.; Jaeger, Martin; Schmidt, Torsten C.; Teutenberg, Thorsten; Tuerk, Jochen:

Quality Control of Personalized Drug Products – Identity and Quantity of Monoclonal Antibodies as Active Pharmaceutical Ingredient

In: Journal of Pharmaceutical Sciences, Vol. 112 (2023), No. 8, pp. 2142 - 2145

2023article/chapter in journal

Tintrop, Lucie K.; Lieske-Overgrand, Jana R.; Wickneswaran, Kaliyani; Abis, Rukiyye; Brunstermann, Ruth; Jochmann, Maik; Schmidt, Torsten C.:

Isotope-labeling in situ derivatization and HS-SPME arrow GC–MS/MS for simultaneous determination of fatty acids and fatty acid methyl esters in aqueous matrices

In: Analytical and Bioanalytical Chemistry, Vol. 415 (2023), No. 26, pp. 6525 - 6536

2023article/chapter in journal

Reuschenbach, Max; Drees, Felix; Schmidt, Torsten Claus; Renner, Gerrit:

qBinning : Data Quality-Based Algorithm for Automized Ion Chromatogram Extraction from High-Resolution Mass Spectrometry

In: Analytical Chemistry, Vol. 95 (2023), No. 37, pp. 13804 - 13812

2023article/chapter in journal

Soleimani, Farshid; Dobaradaran, Sina; Vazirizadeh, Amir; Mohebbi, Gholamhossein; Ramavandi, Bahman; De-la-Torre, Gabriel E.; Nabipour, Iraj; Schmidt, Torsten C.; Novotny, Thomas E.; Maryamabadi, Ammar; Kordrostami, Zahra:

Chemical contents and toxicity of cigarette butts leachates in aquatic environment : A case study from the Persian Gulf region

In: Chemosphere, Vol. 311 (2023), Article 137049

2023article/chapter in journal

Masjedi, Mohammad Reza; Torkshavand, Zahra; Arfaeinia, Hossein; Dobaradaran, Sina; Soleimani, Farshid; Farhadi, Akram; Rashidi, Roshana; Novotny, Thomas E.; Dadipoor, Sara; Schmidt, Torsten C.:

First report on BTEX leaching from waterpipe tobacco wastes (WTWs) into aquatic environment

In: Heliyon, Vol. 9 (2023), No. 11, Article e21946

2023Lecture / Speech

Schmidt, Torsten:

Was uns stabile Isotopen über die Welt erzählen : Von grauer Vorzeit bis zu aktuellen Dopingsündern

Duisburg, Essen: DuEPublico, 2023

(Die Kleine Form ; WS 2023/24)

2022Review in journal

Mohammadi, Azam; Dobaradaran, Sina; Schmidt, Torsten Claus; Malakootian, Mohammad; Spitz, Jörg:

Emerging contaminants migration from pipes used in drinking water distribution systems : A review of the scientific literature

In: Environmental Science and Pollution Research (ESPR), Vol. 29 (2022), No. 50, pp. 75134 - 75160

2022article/chapter in journal

Sieber, Guido; Freudenberg, Benjamin; Netzel, Leon; Schmidt, Torsten Claus; Brandenstein, Frederik:

The Premise of Interdisciplinarity and Its Actual Absence : A Bibliometric Analysis of Publications on Heavy Rainfall

In: Water, Vol. 14 (2022), No. 19, Article 3001

2022article/chapter in journal

Wenzel, Mike; Fischer, Björn; Renner, Gerrit; Schoettl, Justus; Wolf, Carmen; Schram, Juergen; Schmidt, Torsten C.; Türk, Jochen:

Efficient and sustainable microplastics analysis for environmental samples using flotation for sample pre-treatment

In: Green Analytical Chemistry, Vol. 3 (2022), Article 100044

2022article/chapter in journal

Thoben, Christian; Werres, Tobias; Henning, Ireneus; Simon, Paul R.; Zimmermann, Stefan; Schmidt, Torsten C.; Teutenberg, Thorsten:

Towards a miniaturized on-site nano-high performance liquid chromatography electrospray ionization ion mobility spectrometer with online enrichment

In: Green Analytical Chemistry, Vol. 1 (2022), Article 100011

2022article/chapter in journal

Soleimani, Farshid; Dobaradaran, Sina; De-la-Torre, Gabriel E.; Schmidt, Torsten Claus; Saeedi, Reza:

Content of toxic components of cigarette, cigarette smoke vs cigarette butts : A comprehensive systematic review

In: The Science of the Total Environment, Vol. 813 (2022), Article 152667

2022article/chapter in journal

Terhalle, Jens; Nikutta, Simon E.; Krzeciesa, Dawid L.; Lutze, Holger; Jochmann, Maik; Schmidt, Torsten C.:

Linking reaction rate constants and isotope fractionation of ozonation reactions using phenols as probes

In: Water Research, Vol. 210 (2022), Article 117931

2022article/chapter in journal

Asghar, Anam; Lutze, Holger; Türk, Jochen; Schmidt, Torsten Claus:

Influence of water matrix on the degradation of organic micropollutants by ozone based processes : A review on oxidant scavenging mechanism

In: Journal of Hazardous Materials, Vol. 429 (2022), Article 128189

2022dissertation

Höcker, Oliver:

Nanoflow Interfacing for High Sensitivity CE-MS Coupling: Technical Development for Trace Analysis and Non-Targeted Metabolomics

Duisburg, Essen, 2022

2022article/chapter in journal

Ziefuß, Anna; Hupfeld, Tim; Meckelmann, Sven; Meyer, Martin; Schmitz, Oliver J.; Kaziur-Cegla, Wiebke; Tintrop, Lucie K.; Schmidt, Torsten Claus; Gökce, Bilal; Barcikowski, Stephan:

Ultrafast cold-brewing of coffee by picosecond-pulsed laser extraction

In: npj Science of Food, Vol. 6 (2022), No. 1, Article 19

2022article/chapter in journal

Sigmund, Gabriel; Arp, Hans Peter H.; Aumeier, Benedikt M.; Bucheli, Thomas D.; Chefetz, Benny; Chen, Wei; Droge, Steven T. J.; Endo, Satoshi; Escher, Beate I.; Hale, Sarah E.; Hofmann, Thilo; Pignatello, Joseph; Reemtsma, Thorsten; Schmidt, Torsten Claus; Schönsee, Carina D.; Scheringer, Martin et al:

Sorption and Mobility of Charged Organic Compounds : How to Confront and Overcome Limitations in Their Assessment

In: Environmental Science & Technology, Vol. 56 (2022), No. 8, pp. 4702 - 4710

2022article/chapter in journal

Al-Azzawi, Mohammed S. M.; Funck, Matin; Kunaschk, Marco; Von der Esch, Elisabeth; Jacob, Oliver; Freier, Korbinian P.; Schmidt, Torsten Claus; Elsner, Martin; Ivleva, Natalia P.; Tuerk, Jochen; Knoop, Oliver; Drewes, Jörg E.:

Microplastic sampling from wastewater treatment plant effluents : Best-practices and synergies between thermoanalytical and spectroscopic analysis

In: Water Research, Vol. 219 (2022), Article 118549

2022article/chapter in journal

Hinnenkamp, Vanessa; Balsaa, Peter; Schmidt, Torsten C.:

Target, suspect and non-target screening analysis from wastewater treatment plant effluents to drinking water using collision cross section values as additional identification criterion

In: Analytical and Bioanalytical Chemistry, Vol. 414 (2022), pp. 425 - 438

2022article/chapter in journal

Kim, Cheolyong; Schmidt, Torsten Claus; Lutze, Holger:

Oxidation of bromide by heat-activated persulfate : Effects of temperature and the organic matter surrogate phenol on kinetics and stoichiometry

In: Chemical Engineering Journal, Vol. 433 (2022), No. Part 2, Article 133533

2022article/chapter in journal

Wirzberger, Vanessa; Merkus, Valentina I.; Klein, Michelle; Hohrenk-Danzouma, Lotta L.; Lutze, Holger; Schmidt, Torsten Claus:

Bromide strongly influences the formation of reaction products during the ozonation of diclofenac, metoprolol and isoproturon

In: The Science of the Total Environment, Vol. 815 (2022), Article 152427

2022article/chapter in journal

Bornemann, Till L. V.; Adam, Panagiotis; Turzynski, Victoria; Schreiber, Ulrich; Figueroa-Gonzalez, Perla Abigail; Rahlff, Janina; Köster, Daniel; Schmidt, Torsten Claus; Schunk, Ralf; Krauthausen, Bernhard; Probst, Alexander J.:

Genetic diversity in terrestrial subsurface ecosystems impacted by geological degassing

In: Nature Communications, Vol. 13 (2022), No. 1, Article 284

2022article/chapter in journal

Marks, Robert; Jochmann, Maik; Brand, Willi A.; Schmidt, Torsten:

How to Couple LC-IRMS with HRMS : A Proof-of-Concept Study

In: Analytical Chemistry, Vol. 94 (2022), No. 6, pp. 2981 - 2987

2022article/chapter in journal

Schäfer, Sara H.; van Dyk, Katharina; Warmer, Johannes; Schmidt, Torsten Claus; Kaul, Peter:

A New Setup for the Measurement of Total Organic Carbon in Ultrapure Water Systems

In: Sensors, Vol. 22 (2022), No. 5, Article 2004

2022article/chapter in journal

Hammad, Mohaned; Alkan, Baris; Al-Kamal, Ahmed; Kim, Cheolyong; Ali, Md Yusuf; Angel, Steven; Wiedemann, Haakon T.A.; Klippert, Dina; Schmidt, Torsten Claus; Kay, Christopher W.M.; Wiggers, Hartmut:

Enhanced heterogeneous activation of peroxymonosulfate by Ruddlesden-Popper-type La2CoO4+δ nanoparticles for bisphenol A degradation

In: Chemical Engineering Journal, Vol. 429 (2022), Article 131447

2022article/chapter in journal

Dobaradaran, Sina; Mutke, Xenia A.M.; Schmidt, Torsten Claus; Swiderski, Philipp; De-la-Torre, Gabriel E.; Jochmann, Maik:

Aromatic amines contents of cigarette butts : Fresh and aged cigarette butts vs unsmoked cigarette

In: Chemosphere, Vol. 301 (2022), Article 134735

2022article/chapter in journal

Hohrenk-Danzouma, Lotta L.; Vosough, Maryam; Merkus, Valentina I.; Drees, Felix; Schmidt, Torsten Claus:

Non-target Analysis and Chemometric Evaluation of a Passive Sampler Monitoring of Small Streams

In: Environmental Science & Technology, Vol. 56 (2022), No. 9, pp. 5466 - 5477

2022article/chapter in journal

Werres, Tobias; Schmidt, Torsten Claus; Teutenberg, Thorsten:

Peak broadening caused by using different micro–liquid chromatography detectors

In: Analytical and Bioanalytical Chemistry, Vol. 414 (2022), No. 20, pp. 6107 - 6114

2022article/chapter in journal

Kaziur-Cegla, Wiebke; Jochmann, Maik A.; Molt, Karl; Bruchmann, Andreas; Schmidt, Torsten Claus:

In-tube dynamic extraction for analysis of volatile organic compounds in honey samples

In: Food Chemistry : X, Vol. 14 (2022), Article 100337

2022dissertation

Terhalle, Jens:

Investigation of transformation reactions of phenolic compounds by oxidative processes in aqueous systems

Duisburg, Essen, 2022

2022article/chapter in journal

Reuschenbach, Max; Hohrenk-Danzouma, Lotta L.; Schmidt, Torsten Claus; Renner, Gerrit:

Development of a scoring parameter to characterize data quality of centroids in high-resolution mass spectra

In: Analytical and Bioanalytical Chemistry, Vol. 414 (2022), No. 22, pp. 6635 - 6645

2022article/chapter in journal

Merkus, Valentina I.; Sommer, Christina; Smollich, Esther; Sures, Bernd; Schmidt, Torsten C.:

Acute ecotoxicological effects on daphnids and green algae caused by the ozonation of ibuprofen

In: The Science of the Total Environment, Vol. 847 (2022), Article 157611

2022article/chapter in journal

Hesse, Tobias; Nachev, Milen; Khaliq, Shaista; Jochmann, Maik; Franke, Frederik; Scharsack, Jörn P.; Kurtz, Joachim; Sures, Bernd; Schmidt, Torsten Claus:

Insights into amino acid fractionation and incorporation by compound-specific carbon isotope analysis of three-spined sticklebacks

In: Scientific Reports, Vol. 12 (2022), No. 1, Article 11690

2022article/chapter in journal

Tintrop, Lucie K.; Jochmann, Maik; Beesley, Thomas; Küppers, Marco; Brunstermann, Ruth; Schmidt, Torsten Claus:

Optimization and automation of rapid and selective analysis of fatty acid methyl esters from aqueous samples by headspace SPME arrow extraction followed by GC–MS/MS analysis

In: Analytical and Bioanalytical Chemistry, Vol. 414 (2022), No. 22, pp. 6473 - 6483

2022article/chapter in journal

Abdighahroudi, Mohammad Sajjad; Mutke, Xenia A. M.; Jütte, Mischa; Klein, Katharina; Schmidt, Torsten Claus; Lutze, Holger:

Reaction of Chlorine Dioxide with Saturated Nitrogen-Containing Heterocycles and Comparison with the Micropollutant Behavior in a Real Water Matrix

In: Environmental Science & Technology, Vol. 56 (2022), No. 16, pp. 11589 - 11601

2022article/chapter in journal

Reinders, Lars M. H.; Klassen, Martin D.; Teutenberg, Thorsten; Jaeger, Martin; Schmidt, Torsten C.:

Comparison of originator and biosimilar monoclonal antibodies using HRMS, Fc affinity chromatography, and 2D-HPLC

In: Analytical and Bioanalytical Chemistry, Vol. 414 (2022), No. 23, pp. 6761 - 6769

2022article/chapter in journal

Reinders, Lars M. H.; Noelle, Dennis; Klassen, Martin D.; Jaeger, Martin; Schmidt, Torsten C.; Tuerk, Jochen; Teutenberg, Thorsten:

Development and validation of a method for airborne monoclonal antibodies to quantify workplace exposure

In: Journal of Pharmaceutical and Biomedical Analysis, Vol. 221 (2022), Article 115046

2022dissertation

Hohrenk-Danzouma, Lotta Laura:

Data processing strategies for LC-HRMS based non-target analysis of organic micropollutants in aqueous matrices

Duisburg, Essen, 2022

2022article/chapter in journal

Kaziur-Cegla, Wiebke; Wykowski, Lena; Jochmann, Maik; Molt, Karl; Bruchmann, Andreas; Schmidt, Torsten Claus:

In-tube dynamic extraction a green solventless alternative for a sensitive headspace analysis of volatile organic compounds in olive oils

In: Advances in Sample Preparation, Vol. 1 (2022), Article 100002

2021article/chapter in journal

Abdighahroudi, Mohammad Sajjad; Jütte, Mischa; Hupperich, Katharina; Mutke, Xenia A.M.; Schmidt, Torsten Claus; Lutze, Holger:

Mechanisms and byproduct formation in the application of chlorine dioxide

In: Comprehensive Analytical Chemistry, Vol. 92 (2021), pp. 51 - 83

2021article/chapter in journal

Funck, Matin; Al-Azzawi, Mohammed M.S.; Yildirim, Aylin; Knoop, Oliver; Schmidt, Torsten Claus; Drewes, Jörg E.; Türk, Jochen:

Release of microplastic particles to the aquatic environment via wastewater treatment plants : The impact of sand filters as tertiary treatment

In: Chemical Engineering Journal, Vol. 426 (2021), Article 130933

2021article/chapter in journal

Akhbarizadeh, Razegheh; Dobaradaran, Sina; Parhizgar, Gohar; Schmidt, Torsten Claus; Mallaki, Reza:

Potentially toxic elements leachates from cigarette butts into different types of water : A threat for aquatic environments and ecosystems?

In: Environmental Research, Vol. 202 (2021), Article 111706

2021dissertation

Kalus, Mark:

Discrimination of physical and chemical effects during Laser Synthesis of Colloids

Duisburg, Essen, 2021

2021article/chapter in journal

Dopp, Elke; Pannekens, Helena; Gottschlich, Anne; Schertzinger, Gerhard; Gehrmann, Linda; Kasper-Sonnenberg, Monika; Richard, Jessica; Joswig, Matthias; Grummt, Tamara; Schmidt, Torsten Claus; Wilhelm, Michael; Türk, Jochen:

Effect-based evaluation of ozone treatment for removal of micropollutants and their transformation products in waste water

In: Journal of Toxicology and Environmental Health, Part A : Current Issues, Vol. 84 (2021), No. 10, pp. 418 - 439

2021article/chapter in journal

Angel, Steven; Schneider, Florian; Apazeller, Sascha; Kaziur-Cegla, Wiebke; Schmidt, Torsten Claus; Schulz, Christof; Wiggers, Hartmut:

Spray-flame synthesis of LaMO₃ (M = Mn, Fe, Co) perovskite nanomaterials : Effect of spray droplet size and esterification on particle size distribution

In: Proceedings of the Combustion Institute, Vol. 38 (2021), No. 1, pp. 1279 - 1287

2021article/chapter in journal

Lotfi Khatoonabadi, Reza; Vosough, Maryam; Hohrenk, Lotta; Schmidt, Torsten Claus:

Employing complementary multivariate methods for a designed nontarget LC-HRMS screening of a wastewater-influenced river

In: Microchemical Journal, Vol. 160, Part A (2021), Article 105641

2021article/chapter in journal

Baetz, Nicolai; Rothe, Louisa; Wirzberger, Vanessa; Sures, Bernd; Schmidt, Torsten Claus; Türk, Jochen:

High-performance thin-layer chromatography in combination with a yeast-based multi-effect bioassay to determine endocrine effects in environmental samples

In: Analytical and Bioanalytical Chemistry, Vol. 413 (2021), No. 5, pp. 1321 - 1335

2021article/chapter in journal

Wirzberger, Vanessa; Klein, Michelle; Woermann, Marion; Lutze, Holger V.; Sures, Bernd; Schmidt, Torsten Claus:

Matrix composition during ozonation of N-containing substances may influence the acute toxicity towards Daphnia magna

In: The Science of the Total Environment, Vol. 765 (2021), p. 142727

2021article/chapter in journal

Hammad, Mohaned; Fortugno, Paolo; Hardt, Sebastian; Kim, Cheolyong; Salamon, Soma; Schmidt, Torsten Claus; Wende, Heiko; Schulz, Christof; Wiggers, Hartmut:

Large-scale synthesis of iron oxide/graphene hybrid materials as highly efficient photo-Fenton catalyst for water remediation

In: Environmental Technology & Innovation, Vol. 21 (2021), p. 101239

2021article/chapter in journal

Dobaradaran, Sina; Schmidt, Torsten Claus; Kaziur-Cegla, Wiebke; Jochmann, Maik:

BTEX compounds leachates from cigarette butts into water environment : A primary study

In: Environmental Pollution, Vol. 269 (2021), p. 116185

2021article/chapter in journal

Vivas Muñoz, Jenny C.; Feld, Christian; Hilt, Sabine; Manfrin, Alessandro; Nachev, Milen; Köster, Daniel; Jochmann, Maik; Schmidt, Torsten Claus; Sures, Bernd; Ziková, Andrea; Knopf, Klaus:

Eye fluke infection changes diet composition in juvenile European perch (Perca fluviatilis)

In: Scientific Reports, Vol. 11 (2021), No. 1, Article 3440

2021article/chapter in journal

Werres, Tobias; Schmidt, Torsten Claus; Teutenberg, Thorsten:

The influence of injection volume on efficiency of microbore liquid chromatography columns for gradient and isocratic elution

In: Journal of Chromatography A, Vol. 1641 (2021), p. 461965

2021article/chapter in journal

Dobaradaran, Sina; Soleimani, Farshid; Akhbarizadeh, Razegheh; Schmidt, Torsten Claus; Marzban, Maryam; BasirianJahromi, Reza:

Environmental fate of cigarette butts and their toxicity in aquatic organisms : A comprehensive systematic review

In: Environmental Research, Vol. 195 (2021), Article 110881

2021article/chapter in journal

Reinders, Lars M. H.; Klassen, Martin D.; vom Eyser, Claudia; Teutenberg, Thorsten; Jaeger, Martin; Schmidt, Torsten Claus; Türk, Jochen:

Quality control of cytostatic drug preparations : Comparison of workflow and performance of Raman/UV and high-performance liquid chromatography coupled with diode array detection (HPLC-DAD)

In: Analytical and Bioanalytical Chemistry, Vol. 413 (2021), pp. 2587 - 2596

2021article/chapter in journal

Begall, Sabine; Nappe, R.; Hohrenk, Lotta; Schmidt, Torsten Claus; Burda, Hynek; Sahm, Arne; Szafranski, Karol; Dammann, Philip; Henning, Yoshiyuki:

Life expectancy, family constellation and stress in giant mole-rats (Fukomys mechowii)

In: Philosophical Transactions of the Royal Society B: Biological Sciences, Vol. 376 (2021), No. 1823, p. 20200207

2021article/chapter in journal

Lutz, Fabian; Lorenzo-Parodi, Nerea; Schmidt, Torsten Claus; Niemeyer, Jochen:

Heteroternary cucurbit[8]uril complexes as supramolecular scaffolds for self-assembled bifunctional photoredoxcatalysts

In: Chemical Communications : ChemComm, Vol. 57 (2021), No. 23, pp. 2887 - 2890

2021article/chapter in journal

Höcker, Oliver; Flottmann, Dirk; Schmidt, Torsten Claus; Neusüß, Christian:

Non-targeted LC-MS and CE-MS for biomarker discovery in bioreactors : Influence of separation, mass spectrometry and data processing tools

In: The Science of the Total Environment, Vol. 798 (2021), Article 149012

2021article/chapter in journal

Reinders, Lars M. H.; Klassen, Martin D.; Teutenberg, Thorsten; Jaeger, Martin; Schmidt, Torsten Claus:

Development of a multidimensional online method for the characterization and quantification of monoclonal antibodies using immobilized flow-through enzyme reactors

In: Analytical and Bioanalytical Chemistry, Vol. 413 (2021), pp. ages7119 - 7128

2021article/chapter in journal

Karimpour Zahraei, Shadi; Salemi, Amir; Schmidt, Torsten C.:

Sample preparation for determination of water taste and odor compounds : A review

In: Trends in Environmental Analytical Chemistry, Vol. 32 (2021), Article e00149

2020article/chapter in journal

Itzel, Fabian; Baetz, Nicolai; Hohrenk, Lotta; Gehrmann, Linda; Antakyali, Demet; Schmidt, Torsten Claus; Türk, Jochen:

Evaluation of a biological post-treatment after full-scale ozonation at a municipal wastewater treatment plant

In: Water Research, Vol. 170 (2020), Article 115316

2020article/chapter in journal

Dobaradaran, Sina; Schmidt, Torsten Claus; Lorenzo-Parodi, Nerea; Kaziur-Cegla, Wiebke; Jochmann, Maik; Nabipour, Iraj; Lutze, Holger; Telgheder, Ursula:

Polycyclic aromatic hydrocarbons (PAHs) leachates from cigarette butts into water

In: Environmental Pollution, Vol. 259 (2020), p. 113916

2020article/chapter in journal

Akhbarizadeh, Razegheh; Dobaradaran, Sina; Schmidt, Torsten Claus; Nabipour, Iraj; Spitz, Jörg:

Worldwide bottled water occurrence of emerging contaminants : A review of the recent scientific literature

In: Journal of Hazardous Materials, Vol. 392 (2020), p. 122271

2020article/chapter in journal

Funck, Matin; Yildirim, Aylin; Nickel, Carmen; Schram, Jürgen; Schmidt, Torsten Claus; Türk, Jochen:

Identification of microplastics in wastewater after cascade filtration using Pyrolysis-GC–MS

In: MethodsX, Vol. 7 (2020), p. 100778

2020article/chapter in journal

Tekle-Röttering, Agnes; Lim, Sungeun; Reisz, Erika; Lutze, Holger; Abdighahroudi, Mohammad Sajjad; Willach, Sarah; Schmidt, Winfried; Tentscher, Peter R.; Rentsch, Daniel; McArdell, Christa S.; Schmidt, Torsten Claus; von Gunten, Urs:

Reactions of pyrrole, imidazole, and pyrazole with ozone : Kinetics and mechanisms

In: Environmental Science : Water Research & Technology, Vol. 6 (2020), No. 4, pp. 976 - 992

2020article/chapter in journal

Purschke, Kirsten; Zoell, Christian; Leonhardt, Juri; Weber, Markus; Schmidt, Torsten Claus:

Identification of unknowns in industrial wastewater using offline 2D chromatography and non-target screening

In: The Science of the Total Environment, Vol. 706 (2020), p. 135835

2020article/chapter in journal

Becker, Christian; Deeb, Ahmad A.; Teutenberg, Thorsten; Jochmann, Maik; Schmidt, Torsten Claus:

Determination of liquid chromatography/flame ionization detection response factors for N-heterocycles, carboxylic acids, halogenated compounds, and others

In: Analytical and Bioanalytical Chemistry, Vol. 412 (2020), No. 1, pp. 171 - 179

2020article/chapter in journal

Gilbert, Beric M.; Nachev, Milen; Jochmann, Maik; Schmidt, Torsten Claus; Köster, Daniel; Sures, Bernd; Avenant-Oldewage, Annemariè:

You are how you eat : Differences in trophic position of two parasite species infecting a single host according to stable isotopes

In: Parasitology Research, Vol. 119 (2020), No. 4, pp. 1393 - 1400

2020dissertation

Renner, Gerrit:

Development of new spectroscopic and multivariate chemometric methods for the characterization of microplastics in the marine environment

Duisburg, Essen, 2020

2020article/chapter in journal

Renner, Gerrit; Schmidt, Torsten Claus; Schram, Jürgen:

Automated rapid & intelligent microplastics mapping by FTIR microscopy : A Python–based workflow

In: MethodsX, Vol. 7 (2020), p. 100742

2020article/chapter in journal

Höcker, Oliver; Bader, Tobias; Schmidt, Torsten Claus; Schulz, Wolfgang; Neusüß, Christian:

Enrichment-free analysis of anionic micropollutants in the sub-ppb range in drinking water by capillary electrophoresis-high resolution mass spectrometry

In: Analytical and Bioanalytical Chemistry, Vol. 412 (2020), pp. 4857 - 4865

2020article/chapter in journal

Becker, Christian; Jochmann, Maik; Teutenberg, Thorsten; Schmidt, Torsten Claus:

A nebulizer interface for liquid chromatography - Flame ionization detection : Development and validation

In: Talanta : The International Journal of Pure and Applied Analytical Chemistry, Vol. 206 (2020), Article 120229

2020article/chapter in journal

Hohrenk, Lotta; Itzel, Fabian; Baetz, Nicolai; Tuerk, Jochen; Vosough, Maryam; Schmidt, Torsten Claus:

Comparison of Software Tools for Liquid Chromatography-High-Resolution Mass Spectrometry Data Processing in Nontarget Screening of Environmental Samples

In: Analytical Chemistry, Vol. 92 (2020), No. 2, pp. 1898 - 1907

2020article/chapter in journal

Abdighahroudi, Mohammad Sajjad; Lutze, Holger; Schmidt, Torsten Claus:

Development of an LC-MS method for determination of nitrogen-containing heterocycles using mixed-mode liquid chromatography

In: Analytical and Bioanalytical Chemistry, Vol. 412 (2020), pp. 4921 - 4930

2020article/chapter in journal

Willach, Sarah; Lutze, Holger V.; Somnitz, Holger; Terhalle, Jens; Stojanovic, Nenad; Lüling, Michelle; Jochmann, Maik A.; Hofstetter, Thomas B.; Schmidt, Torsten Claus:

Carbon Isotope Fractionation of Substituted Benzene Analogs during Oxidation with Ozone and Hydroxyl Radicals : How Should Experimental Data Be Interpreted?

In: Environmental Science & Technology, Vol. 54 (2020), No. 11, pp. 6713 - 6722

2020article/chapter in journal

Gilbert, Beric M.; Nachev, Milen; Jochmann, Maik A.; Schmidt, Torsten Claus; Köster, Daniel; Sures, Bernd; Avenant-Oldewage, Annemariè:

Stable isotope analysis spills the beans about spatial variance in trophic structure in a fish host – parasite system from the Vaal River System, South Africa

In: International Journal for Parasitology : Parasites and Wildlife, Vol. 12 (2020), pp. 134 - 141

2020dissertation

Willach, Sarah:

Oxidative processes - insights in reaction mechanisms gained by high resolution and isotope ratio mass spectrometry

Duisburg, Essen, 2020

2020article/chapter in journal

Li, Junjie; Rumancev, Christoph; Lutze, Holger; Schmidt, Torsten Claus; Rosenhahn, Axel; Schmitz, Oliver J.:

Effect of ozone stress on the intracellular metabolites from Cobetia marina

In: Analytical and Bioanalytical Chemistry (2020)

2020article/chapter in journal

Renner, Gerrit; Nellessen, Alexander; Schwiers, Alexander; Wenzel, Mike; Schmidt, Torsten Claus; Schram, Jürgen:

Hydrophobicity–water/air–based enrichment cell for microplastics analysis within environmental samples : A proof of concept

In: MethodsX, Vol. 7 (2020), p. 100732

2020article/chapter in journal

Kaziur-Cegla, Wiebke; Salemi, Amir; Jochmann, Maik; Schmidt, Torsten Claus:

Optimization and validation of automated solid-phase microextraction arrow technique for determination of phosphorus flame retardants in water

In: Journal of Chromatography A, Vol. 1626 (2020), p. 461349

2020article/chapter in journal

Abdighahroudi, Mohammad Sajjad; Schmidt, Torsten Claus; Lutze, Holger:

Determination of free chlorine based on ion chromatography—application of glycine as a selective scavenger

In: Analytical and Bioanalytical Chemistry, Vol. 412 (2020), pp. 7713 - 7722

2020dissertation

Purschke, Kirsten:

Environmental Forensics of Industrial Wastewater based on Non-Target Screening

Duisburg, Essen, 2020

2020dissertation

Köster, Daniel:

Applications for liquid chromatography coupled to isotope ratio mass spectrometry and evaluation of the oxidation processes towards compound specific δ15N analysis

Duisburg, Essen, 2020

2020article/chapter in journal

Hupperich, Katharina; Mutke, Xenia A. M.; Abdighahroudi, Mohammad Sajjad; Jütte, Mischa; Schmidt, Torsten Claus; Lutze, Holger:

Reaction of chlorine dioxide with organic matter-formation of inorganic products

In: Environmental Science : Water Research & Technology, Vol. 6 (2020), No. 9, pp. 2597 - 2606

2020article/chapter in journal

Purschke, Kirsten; Vosough, Maryam; Leonhardt, Juri; Weber, Markus; Schmidt, Torsten Claus:

Evaluation of Nontarget Long-Term LC-HRMS Time Series Data Using Multivariate Statistical Approaches

In: Analytical Chemistry, Vol. 92 (2020), No. 18, pp. 12273 - 12281

2020dissertation

Hinnenkamp, Vanessa:

Analytical strategies for the investigation of organic micropollutants in aqueous matrices by target, suspect and non-target screening analysis

Duisburg, Essen, 2020

2020dissertation

Wirzberger, Vanessa:

Oxidative water treatment: mechanistic aspects and matrix effects

Duisburg, Essen, 2020

2020dissertation

Kaziur-Cegla, Wiebke:

Automated and solvent-free microextraction techniques for the GC-MS analysis of food and environmental samples

Duisburg, Essen, 2020

2019article/chapter in journal

Becker, Christian; Jochmann, Maik; Schmidt, Torsten Claus:

An overview of approaches in liquid chromatography flame ionization detection

In: Trends in Analytical Chemistry (TrAC), Vol. 110 (2019), pp. 143 - 149

2019article/chapter in journal

Koch, Christoph; Nachev, Milen; Klein, Julia; Köster, Daniel; Schmitz, Oliver J.; Schmidt, Torsten Claus; Sures, Bernd:

Degradation of the Polymeric Brominated Flame Retardant "polymeric FR" by Heat and UV Exposure

In: Environmental Science & Technology, Vol. 53 (2019), No. 3, pp. 1453 - 1462

2019article/chapter in journal

Lorenzo-Parodi, Nerea; Kaziur, Wiebke; Stojanovic, Nenad; Jochmann, Maik; Schmidt, Torsten Claus:

Solventless microextraction techniques for water analysis

In: Trends in Analytical Chemistry (TrAC), Vol. 113 (2019), pp. 321 - 331

2019article/chapter in journal

Hüffer, Thorsten; Metzelder, Florian; Sigmund, Gabriel; Slawek, Sophie; Schmidt, Torsten Claus; Hofmann, Thilo:

Polyethylene microplastics influence the transport of organic contaminants in soil

In: The Science of the Total Environment, Vol. 657 (2019), pp. 242 - 247

2019article/chapter in journal

Köster, Daniel; Jochmann, Maik; Lutze, Holger; Schmidt, Torsten Claus:

Monitoring of the total carbon and nitrogen balance during the mineralization of nitrogen containing compounds by heat activated persulfate

In: Chemical Engineering Journal, Vol. 367 (2019), pp. 160 - 168

2019article/chapter in journal

Kaziur, Wiebke; Salemi, Amir; Jochmann, Maik; Schmidt, Torsten Claus:

Automated determination of picogram-per-liter level of water taste and odor compounds using solid-phase microextraction arrow coupled with gas chromatography-mass spectrometry

In: Analytical and Bioanalytical Chemistry (2019)

2019article/chapter in journal

Renner, Gerrit; Nellessen, Alexander; Schwiers, Alexander; Wenzel, Mike; Schmidt, Torsten Claus; Schram, Jürgen:

Data preprocessing & evaluation used in the microplastics identification process : A critical review & practical guide

In: Trends in Analytical Chemistry (TrAC), Vol. 111 (2019), pp. 229 - 238

2019article/chapter in journal

Schulte, S.M.; Jochmann, Maik; Wolbert, Jens-Benjamin; Gehrke, Tilman; Schmidt, Torsten Claus:

A centrifuge tube reactor for the determination of bacterial methane oxidation enrichment factors without influence of diffusion related isotope fractionation

In: The Science of the Total Environment, Vol. 659 (2019), pp. 1382 - 1386

2019article/chapter in journal

Uber, Tobias H.; Hüffer, Thorsten; Planitz, Sibylle; Schmidt, Torsten Claus:

Characterization of sorption properties of high-density polyethylene using the poly-parameter linearfree-energy relationships

In: Environmental Pollution, Vol. 248 (2019), pp. 312 - 319

2019article/chapter in journal

Hohrenk, Lotta; Vosough, Maryam; Schmidt, Torsten Claus:

Implementation of chemometric tools to improve data mining and prioritization in LC-high resolution mass spectrometry for nontarget screening of organic micropollutants in complex water matrices

In: Analytical Chemistry, Vol. 91 (2019), No. 14, pp. 9213 - 9220

2019article/chapter in journal

Itzel, Fabian; Gehrmann, Linda; Teutenberg, Thorsten; Schmidt, Torsten Claus; Türk, Jochen:

Recent developments and concepts of effect-based methods for the detection of endocrine activity and the importance of antagonistic effects

In: Trends in Analytical Chemistry (TrAC), Vol. 118 (2019), pp. 699 - 708

2019dissertation

Uber, Tobias Horst:

Adsorption and desorption processes on polymers in aquatic systems

Duisburg, Essen, 2019

2019article/chapter in journal

Hinnenkamp, Vanessa; Balsaa, Peter; Schmidt, Torsten Claus:

Quantitative screening and prioritization based on UPLC-IM-Q-TOF-MS as an alternative water sample monitoring strategy

In: Analytical and Bioanalytical Chemistry, Vol. 411 (2019), No. 23, pp. 6101 - 6110

2019dissertation

Wiegand, Laura:

Characterisation of reactive species in the Fenton reaction: •OH vs. Fe(IV)

Duisburg, Essen, 2019

2019dissertation

Becker, Christian:

Development of a thermospray nebulizer interface for liquid chromatography with flame ionization detection and detector response studies of volatile and non-volatile compounds

Duisburg, Essen, 2019

2019article/chapter in journal

Koch, Christoph; Nachev, Milen; Klein, Julia; Köster, Daniel; Schmitz, Oliver J.; Schmidt, Torsten Claus; Sures, Bernd:

Erratum: Response to Comment on "Degradation of the Polymeric Brominated Flame Retardant "Polymeric FR" by Heat and UV Exposure"

In: Environmental Science & Technology, Vol. 53 (2019), No. 18, p. 11058

2019article/chapter in journal

Kalus, Mark; Lanyumba, Riskyanti; Lorenzo-Parodi, Nerea; Jochmann, Maik; Kerpen, Klaus; Hagemann, Ulrich; Schmidt, Torsten Claus; Barcikowski, Stephan; Gökce, Bilal; Lorenzo Parodi, Nerea:

Determining the role of redox-active materials during laser-induced water decomposition

In: Physical Chemistry, Chemical Physics (PCCP), Vol. 21 (2019), No. 34, pp. 18636 - 18651

2019article/chapter in journal

Kalus, Mark; Lanyumba, Riskyanti; Lorenzo-Parodi, Nerea; Jochmann, Maik; Kerpen, Klaus; Hagemann, Ulrich; Schmidt, Torsten Claus; Barcikowski, Stephan; Gökce, Bilal:

Correction : Determining the role of redox-active materials during laser-induced water decomposition

In: Physical Chemistry, Chemical Physics (PCCP), Vol. 21 (2019), No. 43, p. 24239

2019article/chapter in journal

Akinlua, Akinsehinwa; Jochmann, Maik; Lorenzo-Parodi, Nerea; Stojanovic, Nenad; Kaziur, Wiebke; Schmidt, Torsten C.:

A green approach for the extraction of diamondoids from petroleum source rock

In: Analytica Chimica Acta, Vol. 1091 (2019), pp. 23 - 29

2019article/chapter in journal

Reisz, Erika; Tekle-Röttering, Agnes; Naumov, Sergej; Schmidt, Winfried; Schmidt, Torsten Claus:

Reaction of 1-propanol with ozone in aqueous media

In: International Journal of Molecular Sciences (IJMS), Vol. 20 (2019), No. 17, p. 4165

2019article/chapter in journal

Renner, Gerrit; Sauerbier, Philipp; Schmidt, Torsten Claus; Schram, Jürgen:

Robust Automatic Identification of Microplastics in Environmental Samples Using FTIR Microscopy

In: Analytical Chemistry, Vol. 91 (2019), No. 15, pp. 9656 - 9664

2019article/chapter in journal

Sures, Bernd; Nachev, Milen; Gilbert, Beric M.; Dos Santos, Quinton Marco; Jochmann, Maik; Köster, Daniel; Schmidt, Torsten Claus; Avenant-Oldewage, Annemarié:

The monogenean Paradiplozoon ichthyoxanthon behaves like a micropredator on two of its hosts, as indicated by stable isotopes

In: Journal of Helminthology, Vol. 93 (2019), No. 1, pp. 71 - 75

2019dissertation

Koch, Christoph:

Abiotic degradation of the brominated polymeric flame retardant “Polymeric FR” and ecotoxicity of generated decomposition products

Duisburg, Essen, 2019

2019article/chapter in journal

Köster, Daniel; Sanchez Villalobos, Irene M.; Jochmann, Maik; Brand, Willi A.; Schmidt, Torsten Claus:

New Concepts for the Determination of Oxidation Efficiencies in Liquid Chromatography-Isotope Ratio Mass Spectrometry

In: Analytical Chemistry, Vol. 91 (2019), No. 8, pp. 5067 - 5073

2019article/chapter in journal

Dobaradaran, Sina; Schmidt, Torsten Claus; Lorenzo-Parodi, Nerea; Jochmann, Maik; Nabipour, Iraj; Raeisi, Alireza; Stojanovic, Nenad; Mahmoodi, Marzieh:

Cigarette butts: An overlooked source of PAHs in the environment?

In: Environmental Pollution, Vol. 249 (2019), pp. 932 - 939

2019article/chapter in journal

Schertzinger, Gerhard; Itzel, Fabian; Kerstein, Jill; Türk, Jochen; Schmidt, Torsten Claus; Sures, Bernd:

Accumulation pattern and possible adverse effects of organic pollutants in sediments downstream of combined sewer overflows

In: The Science of the Total Environment, Vol. 675 (2019), pp. 295 - 304

2019article/chapter in journal

Becker, Christian; Jochmann, Maik; Schmidt, Torsten Claus:

Determination of liquid chromatography/flame ionization detection response factors for alcohols, ketones, and sugars

In: Analytical and Bioanalytical Chemistry, Vol. 411 (2019), No. 12, pp. 2635 - 2644

2019article/chapter in journal

Uber, Tobias H.; Hüffer, Thorsten; Planitz-Penno, Sibylle; Schmidt, Torsten Claus:

Sorption of non-ionic organic compounds by polystyrene in water

In: The Science of the Total Environment, Vol. 682 (2019), pp. 348 - 355

2019article/chapter in journal

Kosse, Pascal; Lübken, Manfred; Schmidt, Torsten Claus; Lange, Ruben-Laurids; Wichern, Marc:

Assessing potential impacts of phosphate precipitation on nitrous oxide emissions and the carbon footprint of wastewater treatment plants

In: Environmental Technology, Vol. 40 (2019), No. 16, pp. 2107 - 2113

2018article/chapter in journal

Kresmann, Simon; Schmidt, Torsten Claus:

FUTURE WATER : Mit Praxispartnern und Gesellschaft wissenschaftlichen Wasser-Nachwuchs ausbilden

In: Unikate : Berichte aus Forschung und Lehre (2018), No. 51: Herausforderung Wasserforschung - lokal, regional, global, pp. 24 - 33

2018article/chapter in journal

Ribeiro, Alyson R.; Lutze, Holger; Schmidt, Torsten Claus:

Base-catalyzed hydrolysis and speciation-dependent photolysis of two cephalosporin antibiotics, ceftiofur and cefapirin

In: Water Research, Vol. 134 (2018), pp. 253 - 260

2018article/chapter in journal

Knoop, Oliver; Itzel, Fabian; Türk, Jochen; Lutze, Holger V.; Schmidt, Torsten Claus:

Endocrine effects after ozonation of tamoxifen

In: The Science of the Total Environment, Vol. 622-623 (2018), pp. 71 - 78

2018article/chapter in journal

Itzel, Fabian; Jewell, Kevin S.; Leonhardt, Juri; Gehrmann, Linda; Nielsen, Ulf; Ternes, Thomas A.; Schmidt, Torsten Claus; Tuerk, Jochen:

Comprehensive analysis of antagonistic endocrine activity during ozone treatment of hospital wastewater

In: The Science of the Total Environment, Vol. 624 (2018), pp. 1443 - 1454

2018dissertation

Metzelder, Florian:

Investigation of sorption properties of carbon nanomaterials using packed columns and inverse liquid chromatography

Duisburg, Essen, 2018

2018article/chapter in journal

Lutze, Holger; Koti, Marcel; Törk, Jochen; Schmidt, Torsten Claus:

Die Rolle der Realmatrix in der oxidativen Wasseraufbereitung

In: GWF : Wasser, Abwasser, Vol. 159 (2018), No. 10, pp. 10 - 12

2018article/chapter in journal

Knoop, Oliver; Hohrenk, Lotta L.; Lutze, Holger; Schmidt, Torsten Claus:

Ozonation of Tamoxifen and Toremifene : Reaction Kinetics and Transformation Products

In: Environmental Science & Technology, Vol. 52 (2018), No. 21, pp. 12583 - 12591

2018dissertation

Lamani-Dixon, Xolelwa:

Analysis of aromatic amines in human urine using comprehensive multi-dimensional gas chromatography mass spectrometry

Duisburg, Essen, 2018

2018article/chapter in journal

Metzelder, Florian; Funck, Matin; Hüffer, Thorsten; Schmidt, Torsten Claus:

Comparison of Sorption to Carbon-Based Materials and Nanomaterials Using Inverse Liquid Chromatography

In: Environmental Science & Technology, Vol. 52 (2018), No. 17, pp. 9731 - 9740

2018article/chapter in journal

Ribeiro, Alyson R.; Sures, Bernd; Schmidt, Torsten Claus:

Cephalosporin antibiotics in the aquatic environment : A critical review of occurrence, fate, ecotoxicity and removal technologies

In: Environmental Pollution, Vol. 241 (2018), pp. 1153 - 1166

2018article/chapter in journal

Schulte, Marcel; Jochmann, Maik; Gehrke, Tilman; Denecke, Martin; Schmidt, Torsten Claus:

Carbon Isotopic Fractionation via Diffusion in a Coarse Material

In: Geochemistry, Geophysics, Geosystems, Vol. 19 (2018), No. 9, pp. 3246 - 3253

2018article/chapter in journal

Hinnenkamp, Vanessa; Klein, Julia; Meckelmann, Sven; Balsaa, Peter; Schmidt, Torsten Claus; Schmitz, Oliver J.:

Comparison of CCS Values Determined by Traveling Wave Ion Mobility Mass Spectrometry and Drift Tube Ion Mobility Mass Spectrometry

In: Analytical Chemistry, Vol. 90 (2018), No. 20, pp. 12042 - 12050

2018dissertation

Knoop, Oliver:

Formation and Effects of Transformation Products during the Ozonation of Tamoxifen

Duisburg, Essen, 2018

2018article/chapter in journal

Terhalle, Jens; Kaiser, Pascal; Jütte, Mischa; Buss, Johanna; Yasar, Sermin; Marks, Robert; Uhlmann, Helmut; Schmidt, Torsten Claus; Lutze, Holger:

Chlorine Dioxide - Pollutant Transformation and Formation of Hypochlorous Acid as a Secondary Oxidant

In: Environmental Science & Technology, Vol. 52 (2018), No. 17, pp. 9964 - 9971

2018dissertation

Itzel, Fabian:

Investigation of agonistic and antagonistic endocrine activity during full-scale ozonation of waste water

Duisburg, Essen, 2018

2018article/chapter in journal

Eisinger, Michael; Schmidt, Torsten; Sures, Bernd:

Regional vernetzt : Das Zentrum für Wasser- und Umweltforschung

In: Unikate : Berichte aus Forschung und Lehre (2018), No. 51: Herausforderung Wasserforschung - lokal, regional, global, pp. 8 - 17

2018article/chapter in journal

Schmidt, Torsten; Sures, Bernd; Dopp, Elke; Türk, Jochen:

Mikroschadstoffe aus Abwasser entfernen : Wie messe ich den Erfolg?

In: Unikate : Berichte aus Forschung und Lehre (2018), No. 51: Herausforderung Wasserforschung - lokal, regional, global, pp. 86 - 93

2018article/chapter in journal

Renner, Gerrit; Schmidt, Torsten Claus; Schram, Jürgen:

Analytical methodologies for monitoring micro(nano)plastics : Which are fit for purpose?

In: Current Opinion in Environmental Science & Health, Vol. 1 (2018), pp. 55 - 61

2018article/chapter in journal

Eisinger, Michael; Schmidt, Torsten; Sures, Bernd:

Editorial

In: Unikate : Berichte aus Forschung und Lehre (2018), No. 51: Herausforderung Wasserforschung - lokal, regional, global, pp. 6 - 7

2018Preface (foreword) / Postface in journal

Kresmann, Simon; Leggewie, Claus; Teichgräber, Burkhard; Schmidt, Torsten Claus:

Editorial : VSI “Inter- and Transdiciplinary Water Research”

In: The Science of the Total Environment, Vol. 636 (2018), pp. 1517 - 1519

2018article/chapter in journal

Köster, Daniel; Wolbert, Jens-Benjamin; Schulte, Marcel; Jochmann, Maik; Schmidt, Torsten Claus:

Origin of Xylitol in Chewing Gum : A Compound-Specific Isotope Technique for the Differentiation of Corn- and Wood-Based Xylitol by LC-IRMS

In: Journal of Agricultural and Food Chemistry, Vol. 66 (2018), No. 8, pp. 2015 - 2020

2018article/chapter in journal

Metzelder, Florian; Funck, Matin; Schmidt, Torsten Claus:

Sorption of Heterocyclic Organic Compounds to Multiwalled Carbon Nanotubes

In: Environmental Science & Technology, Vol. 52 (2018), No. 2, pp. 628 - 637

2018article/chapter in journal

Schmidt, Torsten Claus:

Recent trends in water analysis triggering future monitoring of organic micropollutants

In: Analytical and Bioanalytical Chemistry, Vol. 410 (2018), No. 17, pp. 3933 - 3941

2018article/chapter in journal

Dronov, Michail; Schmidt, Torsten Claus; Schram, Jürgen:

Concentration-Gradient-Method for sulphur and strontium isotope ratio determination by quadrupole-based inductively coupled plasma mass spectrometry in gypsum

In: Rapid Communications in Mass Spectrometry, Vol. 32 (2018), No. 7, pp. 567 - 575

2018article/chapter in journal

Knoop, Oliver; Woermann, Marion; Lutze, Holger; Sures, Bernd; Schmidt, Torsten C.:

Ecotoxicological effects prior to and after the ozonation of tamoxifen

In: Journal of Hazardous Materials, Vol. 358 (2018), pp. 286 - 293

2018article/chapter in journal

Dronov, Michail; Koza, Tim; Schwiers, Alexander; Schmidt, Torsten Claus; Schram, Jürgen:

Strontium carbonate precipitation as a sample preparation technique for isotope ratio analysis of Sr in mineral water and wine by quadrupole-based inductively coupled plasma mass spectrometry

In: Rapid Communications in Mass Spectrometry, Vol. 32 (2018), No. 2, pp. 149 - 158

2018article/chapter in journal

Barion, Anastasia; Balsaa, Peter; Werres, Friedrich; Neuhaus, Ursula; Schmidt, Torsten Claus:

Stability of organochlorine pesticides during storage in water and loaded SPE disks containing sediment

In: Chemosphere, Vol. 210 (2018), pp. 57 - 64

2018article/chapter in journal

Dobaradaran, Sina; Schmidt, Torsten Claus; Nabipour, Iraj; Ostovar, Afshin; Raeisi, Alireza; Saeedi, Reza; Khorsand, Maryam; Khajeahmadi, Nahid; Keshtkar, Mozhgan:

Cigarette butts abundance and association of mercury and lead along the Persian Gulf beach : an initial investigation

In: Environmental Science and Pollution Research (ESPR), Vol. 25 (2018), No. 6, pp. 5465 - 5473

2018article/chapter in journal

Kosse, Pascal; Knoop, Oliver; Lübken, Manfred; Schmidt, Torsten Claus; Wichern, Marc:

Methane emissions from wastewater treatment plants : Assessment and review of quantification methods

In: GWF : Wasser, Abwasser, Vol. 159 (2018), pp. 92 - 95

2018article/chapter in journal

Bahners, Thomas; Kelch, Milan; Gebert, Beate; Osorio Barajas, Xochitli L.; Schmidt, Torsten Claus; Gutmann, Jochen Stefan; Müssig, Jörg:

Improvement of fibre–matrix adhesion in cellulose/polyolefin composite materials by means of photo-chemical fibre surface modification

In: Cellulose, Vol. 25 (2018), No. 4, pp. 2451 - 2471

2018article/chapter in journal

Lutze, Holger; Brekenfeld, Julia; Naumov, Sergej; von Sonntag, Clemens; Schmidt, Torsten Claus:

Degradation of perfluorinated compounds by sulfate radicals – New mechanistic aspects and economical considerations

In: Water Research, Vol. 129 (2018), pp. 509 - 519

2018article/chapter in journal

Reisz, Erika; von Sonntag, Clemens; Tekle-Röttering, Agnes; Naumov, Sergej; Schmidt, Winfried; Schmidt, Torsten Claus:

Reaction of 2-propanol with ozone in aqueous media

In: Water Research, Vol. 128 (2018), pp. 171 - 182

2018article/chapter in journal

Willach, Sarah; Lutze, Holger; Eckey, Kevin; Löppenberg, Katja; Lüling, Michelle; Wolbert, Jens-Benjamin; Kujawinski, Dorothea M.; Jochmann, Maik; Karst, Uwe; Schmidt, Torsten Claus:

Direct Photolysis of Sulfamethoxazole Using Various Irradiation Sources and Wavelength Ranges - Insights from Degradation Product Analysis and Compound-Specific Stable Isotope Analysis

In: Environmental Science & Technology, Vol. 52 (2018), No. 3, pp. 1225 - 1233

2018article/chapter in journal

Dobaradaran, Sina; Schmidt, Torsten Claus; Nabipour, Iraj; Khajeahmadi, Nahid; Tajbakhsh, Saeed; Saeedi, Reza; Javad Mohammadi, Mohammad; Keshtkar, Mozhgan; Khorsand, Maryam; Faraji Ghasemi, Fatemeh:

Characterization of plastic debris and association of metals with microplastics in coastline sediment along the Persian Gulf

In: Waste Management, Vol. 78 (2018), pp. 649 - 658

2017dissertation

Salma, Alaa:

Advanced oxidation of micropollutants in water by photolytic and photocatalytic processes

Duisburg, Essen, 2017

2017article/chapter in journal

Salma, Alaa; Lutze, Holger; Schmidt, Torsten Claus; Türk, Jochen:

Photolytic degradation of the β-blocker nebivolol in aqueous solution

In: Water Research, Vol. 116 (2017), pp. 211 - 219

2017article/chapter in journal

Willach, Sarah; Lutze, Holger; Eckey, Kevin; Löppenberg, Katja; Lüling, Michelle; Terhalle, Jens; Wolbert, Jens-Benjamin; Jochmann, Maik; Karst, Uwe; Schmidt, Torsten Claus:

Degradation of sulfamethoxazole using ozone and chlorine dioxide : Compound-specific stable isotope analysis, transformation product analysis and mechanistic aspects

In: Water Research, Vol. 122 (2017), pp. 280 - 289

2017article/chapter in journal

Osorio Barajas, Xochitli L.; Hüffer, Thorsten; Mettig, Pascal; Schilling, Beat; Jochmann, Maik; Schmidt, Torsten Claus:

Investigation of carbon-based nanomaterials as sorbents for headspace in-tube extraction of polycyclic aromatic hydrocarbons

In: Analytical and Bioanalytical Chemistry, Vol. 409 (2017), No. 15, pp. 3861 - 3870

2017article/chapter in journal

Metzelder, Florian; Schmidt, Torsten Claus:

Environmental Conditions Influencing Sorption of Inorganic Anions to Multiwalled Carbon Nanotubes Studied by Column Chromatography

In: Environmental Science & Technology, Vol. 51 (2017), No. 9, pp. 4928 - 4935

2017article/chapter in journal

Leonhardt, Juri; Haun, Jakob; Schmidt, Torsten Claus; Teutenberg, Thorsten:

The benefits of coupling miniaturized comprehensive 2D LC with hybrid high-resolution mass spectrometry

In: LC-GC Europe, Vol. 30 (2017), No. 5, pp. 264 - 270

2017article/chapter in journal

Barajas, Xochitli L. Osorio; Jochmann, Maik; Hüffer, Thorsten; Schilling, Beat; Schmidt, Torsten Claus:

Sorbent material characterization using in-tube extraction needles as inverse gas chromatography column

In: Journal of Separation Science, Vol. 40 (2017), No. 11, pp. 2390 - 2397

2017dissertation

Dronov, Michail:

Concentration-Gradient-Method for improvement of precision and accuracy of isotope ratio analysis using quadrupole based inductively coupled plasma-mass spectrometry

Duisburg, Essen, 2017

2017dissertation

Ribeiro, Alyson Rogerio:

Fate and effects of two veterinarian cephalosporins, ceftiofur and cefapirin, in the aquatic environment

Duisburg, Essen, 2017

2017article/chapter in journal

Ribeiro, Alyson R.; Schmidt, Torsten Claus:

Determination of acid dissociation constants (pKa) of cephalosporin antibiotics

In: Chemosphere, Vol. 169 (2017), pp. 524 - 533

2017dissertation

Leonhardt, Juri:

Development and optimization of multidimensional methods based on online comprehensive microscale liquid chromatography and mass spectrometry

Duisburg, Essen, 2017

2017article/chapter in journal

Nestola, Marco; Schmidt, Torsten Claus:

Determination of mineral oil aromatic hydrocarbons in edible oils and fats by online liquid chromatography–gas chromatography–flame ionization detection : Evaluation of automated removal strategies for biogenic olefins

In: Journal of Chromatography A, Vol. 1505 (2017), pp. 69 - 76

2017article/chapter in journal

Fischbacher, Alexandra; von Sonntag, Clemens; Schmidt, Torsten Claus:

Hydroxyl radical yields in the Fenton process under various pH, ligand concentrations and hydrogen peroxide/Fe(II) ratios

In: Chemosphere, Vol. 182 (2017), pp. 738 - 744

2017article/chapter in journal

Hetzel, Terence; Blaesing, Christina; Jaeger, Martin; Teutenberg, Thorsten; Schmidt, Torsten Claus:

Characterization of peak capacity of microbore liquid chromatography columns using gradient kinetic plots

In: Journal of Chromatography A, Vol. 1485 (2017), pp. 62 - 69

2017article/chapter in journal

Kosse, Pascal; Lübken, Manfred; Schmidt, Torsten Claus; Wichern, Marc:

Quantification of nitrous oxide in wastewater based on salt-induced stripping

In: The Science of the Total Environment, Vol. 601-602 (2017), pp. 83 - 88

2017article/chapter in journal

Nachev, Milen; Jochmann, Maik; Walter, Friederike; Wolbert, Jens-Benjamin; Schulte, Marcel; Schmidt, Torsten Claus; Sures, Bernd:

Understanding trophic interactions in host-parasite associations using stable isotopes of carbon and nitrogen

In: Parasites and Vectors, Vol. 10 (2017), No. 1

2017dissertation

Lestari, Ratnaningtyas Budhi:

Defluoridation of drinking water by hybrid coagulation and filtration process

Duisburg, Essen, 2017

2017article/chapter in journal

Deeb, Ahmad A.; Stephan, Susanne; Schmitz, Oliver J.; Schmidt, Torsten Claus:

Suspect screening of micropollutants and their transformation products in advanced wastewater treatment

In: The Science of the Total Environment, Vol. 601-602 (2017), pp. 1247 - 1253

2017dissertation

Hetzel, Terence:

Characterization of micro liquid chromatography : theoretical performance limits and practical aspects for routine analysis on the example of cytotoxic drugs

Duisburg, Essen, 2017

2017article/chapter in journal

Renner, Gerrit; Schmidt, Torsten Claus; Schram, Jürgen:

Characterization and Quantification of Microplastics by Infrared Spectroscopy

In: Comprehensive Analytical Chemistry, Vol. 75 (2017), pp. 67 - 118

2017article/chapter in journal

Itzel, Fabian; Gehrmann, Linda; Bielak, Helena; Ebersbach, Paul; Boergers, Andrea; Herbst, Heinrich; Maus, Christian; Simon, Anne; Dopp, Elke; Hammers-Wirtz, Monika; Schmidt, Torsten C; Tuerk, Jochen:

Investigation of full-scale ozonation at a municipal wastewater treatment plant using a toxicity-based evaluation concept

In: Journal of Toxicology and Environmental Health, Part A : Current Issues, Vol. 80 (2017), No. 23-24, pp. 1242 - 1258

2017article/chapter in journal

Schulte, Marcel; Jochmann, Maik; Gehrke, Tobias; Thom, Andrea; Ricken, Tim; Denecke, Martin; Schmidt, Torsten Claus:

Characterization of methane oxidation in a simulated landfill cover system by comparing molecular and stable isotope mass balances

In: Waste Management, Vol. 69 (2017), pp. 281 - 288

2017article/chapter in journal

Wiegand, Laura; Orths, Christian Timon; Kerpen, Klaus; Lutze, Holger; Schmidt, Torsten Claus:

Investigation of the iron-peroxo complex in the fenton reaction : kinetic indication, decay kinetics, and hydroxyl radical yields

In: Environmental Science & Technology, Vol. 51 (2017), No. 24, pp. 14321 - 14329

2017article/chapter in journal

Renner, Gerrit; Schmidt, Torsten Claus; Schram, Jürgen:

A new chemometric approach for automatic identification of microplastics from environmental compartments based on FT-IR spectroscopy

In: Analytical Chemistry, Vol. 89 (2017), No. 22, pp. 12045 - 12053

2017dissertation

Fischbacher, Alexandra:

Formation and Quantification of •OH in Oxidative Water Treatment

Duisburg, Essen, 2017

2016article/chapter in journal

Kremser, Andreas; Jochmann, Maik; Schmidt, Torsten Claus:

PAL SPME Arrow — evaluation of a novel solid-phase microextraction device for freely dissolved PAHs in water

In: Analytical and Bioanalytical Chemistry, Vol. 408 (2016), No. 3, pp. 943 - 952

2016article/chapter in journal

Schmidt, Torsten Claus; Field, Jennifer:

Water Analysis for Emerging Chemical Contaminants

In: Analytical Chemistry, Vol. 88 (2016), No. 3, pp. 1495 - 1499

2016book

Schwedt, Georg; Schmidt, Torsten Claus; Schmitz, Oliver J.:

Analytische Chemie : Grundlagen, Methoden und Praxis

Dritte, überarbeitete und aktualisierte Auflage, Weinheim: Wiley-VCH, 2016

2016dissertation

Nestola, Marco:

Multidimensional high-performance liquid chromatography–gas chromatography (HPLC-GC) hyphenation techniques for food analysis in routine environments

Duisburg, Essen, 2016

2016dissertation

Kremser, Andreas:

Advances in automated sample preparation for gas chromatography : solid-phase microextraction, headspace-analysis, solid-phase extraction

Duisburg, Essen, 2016

2016dissertation

vom Eyser, Claudia:

Behavior of micropollutants during hydrothermal carbonization of sewage sludge

Duisburg, Essen, 2016

2016article/chapter in journal

Schmidt, Torsten Claus:

Chemie und Wasser : Das White Paper ist da

In: Nachrichten aus der Chemie, Vol. 64 (2016), No. 6, pp. 706 - 707

2016dissertation

Federherr, Eugen:

Stable carbon and nitrogen isotope analysis in aqueous samples – method development, validation and application

Duisburg, Essen, 2016

2016article/chapter in journal

Koch, Christoph; Dundua, Alexander; Aragon-Gomez, Jackelyn; Nachev, Milen; Stephan, Susanne; Willach, Sarah; Ulbricht, Mathias; Schmitz, Oliver J.; Schmidt, Torsten Claus; Sures, Bernd:

Degradation of polymeric brominated flame retardants : development of an analytical approach using PolyFR and UV irradiation

In: Environmental Science & Technology, Vol. 50 (2016), No. 23, pp. 12912 - 12920

2016article/chapter in journal

Günter, Anastasia; Balsaa, Peter; Werres, Friedrich; Schmidt, Torsten Claus:

Influence of the drying step within disk-based solid-phase extraction both on the recovery and the limit of quantification of organochlorine pesticides in surface waters including suspended particulate matter

In: Journal of Chromatography A, Vol. 1450 (2016), pp. 1 - 8

2016article/chapter in journal

Stephan, Susanne; Hippler, Jörg; Kohler, Timo; Deeb, Ahmad A.; Schmidt, Torsten Claus; Schmitz, Oliver J.:

Contaminant screening of wastewater with HPLC-IM-qTOF-MS and LC+LC-IM-qTOF-MS using a CCS database

In: Analytical and Bioanalytical Chemistry, Vol. 408 (2016), No. 24, Seiten 6545-6555

2016article/chapter in journal

Deeb, Ahmad A.; Schmidt, Torsten Claus:

Tandem anion and cation exchange solid phase extraction for the enrichment of micropollutants and their transformation products from ozonation in a wastewater treatment plant

In: Analytical and Bioanalytical Chemistry, Vol. 408 (2016), No. 16, pp. 4219 - 4232

2016article/chapter in journal

Salma, Alaa; Schmidt, Torsten Claus; Thoröe-Boveleth, Sven; Türk, Jochen:

Dependence of transformation product formation on pH during photolytic and photocatalytic degradation of ciprofloxacin

In: Journal of Hazardous Materials, Vol. 313 (2016), pp. 49 - 59

2016article/chapter in journal

vom Eyser, C.; Türk, Jochen; Schmidt, Torsten Claus:

Fate and behaviour of diclofenac during hydrothermal carbonization

In: Chemosphere, Vol. 153 (2016), pp. 280 - 286

2016article/chapter in journal

Federherr, E.; Schmidt, Torsten Claus; Willach, Sarah; Molt, Karl; Roos, N.; Lange, L.:

A novel high-temperature combustion interface for compound-specific stable isotope analysis of carbon and nitrogen via high-performance liquid chromatography/isotope ratio mass spectrometry

In: Rapid Communications in Mass Spectrometry, Vol. 30 (2016), No. 7, pp. 944 - 952

2016article/chapter in journal

Tekle-Röttering, Agnes; Jewell, Kevin S.; Reisz, Erika; Lutze, Holger; Ternes, Thomas A.; Schmidt, Winfried; Schmidt, Torsten Claus:

Ozonation of piperidine, piperazine and morpholine : Kinetics, stoichiometry, product formation and mechanistic considerations

In: Water Research, Vol. 88 (2016), pp. 960 - 971

2016article/chapter in journal

Tekle-Röttering, Agnes; von Sonntag, Clemens; Reisz, Erika; vom Eyser, Claudia; Lutze, Holger; Türk, Jochen; Naumov, Sergej; Schmidt, Winfried; Schmidt, Torsten Claus:

Ozonation of anilines: Kinetics, stoichiometry, product identification and elucidation of pathways

In: Water Research, Vol. 98 (2016), pp. 147 - 159

2016article/chapter in journal

Nestola, Marco; Schmidt, Torsten Claus:

Fully automated determination of the sterol composition and total content in edible oils and fats by online liquid chromatography–gas chromatography–flame ionization detection

In: Journal of Chromatography A, Vol. 1463 (2016), pp. 136 - 143

2016article/chapter in journal

Leonhardt, Juri; Teutenberg, Thorsten; Buschmann, Greta; Gassner, Oliver; Schmidt, Torsten Claus:

A new method for the determination of peak distribution across a two-dimensional separation space for the identification of optimal column combinations

In: Analytical and Bioanalytical Chemistry, Vol. 408 (2016), No. 28, pp. 8079 - 8088

2016article/chapter in journal

Kremser, Andreas; Jochmann, Maik; Schmidt, Torsten Claus:

Systematic comparison of static and dynamic headspace sampling techniques for gas chromatography

In: Analytical and Bioanalytical Chemistry, Vol. 408 (2016), No. 24, pp. 6567 - 6579

2016article/chapter in journal

Hetzel, Terence; vom Eyser, Claudia; Türk, Jochen; Teutenberg, Thorsten; Schmidt, Torsten Claus:

Micro-liquid chromatography mass spectrometry for the analysis of antineoplastic drugs from wipe samples

In: Analytical and Bioanalytical Chemistry, Vol. 408 (2016), No. 28, pp. 8221 - 8229

2016article/chapter in journal

Hetzel, Terence; Loeker, Denise; Teutenberg, Thorsten; Schmidt, Torsten Claus:

Characterization of the efficiency of microbore liquid chromatography columns by van Deemter and kinetic plot analysis

In: Journal of Separation Science, Vol. 39 (2016), No. 20, pp. 3889 - 3897

2016dissertation

Deeb, Ahmad Atef Said:

Target and suspect screening of organic micropollutants and their transformation products in aqueous samples

Duisburg, Essen, 2016

2016dissertation

Osorio Barajas, Xochitli Libertad:

Sorbent characterization and application of the in-tube microextraction technique

Duisburg, Essen, 2016

2016article/chapter in journal

Federherr, E.; Kupka, H.J.; Cerli, C.; Kalbitz, K.; Dunsbach, R.; Loos, A.; de Reus, M.; Lange, L.; Panetta, R.J.; Schmidt, Torsten Claus:

A novel tool for stable nitrogen isotope analysis in aqueous samples

In: Rapid Communications in Mass Spectrometry, Vol. 30 (2016), No. 23, pp. 2537 - 2544

2016article/chapter in journal

Tekle-Röttering, Agnes; Reisz, Erika; Jewell, Kevin S.; Lutze, Holger; Ternes, Thomas A.; Schmidt, Winfried; Schmidt, Torsten Claus:

Ozonation of pyridine and other N-heterocyclic aromatic compounds : kinetics, stoichiometry, identification of products and elucidation of pathways

In: Water Research, Vol. 102 (2016), pp. 582 - 593

2016dissertation

Schulte, Marcel:

Characterization of the microbial methane oxidation for landfill studies by stable isotope analysis

Duisburg, Essen, 2016

2015article/chapter in journal

Laaks, Jens; Jochmann, Maik; Schilling, Beat; Schmidt, Torsten Claus:

Optimization strategies of in-tube extraction (ITEX) methods

In: Analytical and Bioanalytical Chemistry, Vol. 407 (2015), No. 22, pp. 6827 - 6838

2015article/chapter in journal

Akinlua, Akinsehinwa; Schmidt, Torsten Claus; Jochmann, Maik:

Ionic Liquid as Green Solvent for Leaching of Polycyclic Aromatic Hydrocarbons from Petroleum Source Rock

In: Industrial & engineering chemistry research, Vol. 54 (2015), No. 51, pp. 12960 - 12965

2015article/chapter in journal

Blessing, Michaela; Jochmann, Maik; Haderlein, Stefan B.; Schmidt, Torsten Claus:

Optimization of a large-volume injection method for compound-specific isotope analysis of polycyclic aromatic compounds at trace concentrations

In: Rapid Communications in Mass Spectrometry, Vol. 29 (2015), No. 24, pp. 2349 - 2360

2015article/chapter in journal

Hüffer, Thorsten; Schroth, Sarah; Schmidt, Torsten Claus:

Influence of humic acids on sorption of alkanes by carbon nanotubes : Implications for the dominant sorption mode

In: Chemosphere, Vol. 119 (2015), pp. 1169 - 1175

2015article/chapter in journal

Lamani, Xolelwa; Horst, Simeon; Zimmermann, T.; Schmidt, Torsten Claus:

Determination of aromatic amines in human urine using comprehensive multi-dimensional gas chromatography mass spectrometry (GCxGC-qMS)

In: Analytical and Bioanalytical Chemistry, Vol. 407 (2015), No. 1, pp. 241 - 252

2015article/chapter in journal

Klees, Marcel; Hiester, Ernst; Bruckmann, Peter; Molt, Karl; Schmidt, Torsten Claus:

Polychlorinated biphenyls, polychlorinated dibenzo-p-dioxins and dibenzofurans in street dust of North Rhine-Westphalia, Germany

In: The Science of the Total Environment, Vol. 511 (2015), pp. 72 - 81

2015article/chapter in journal

Leonhardt, Juri; Hetzel, Terence; Teutenberg, Thorsten; Schmidt, Torsten Claus:

Large Volume Injection of Aqueous Samples in Nano Liquid Chromatography Using Serially Coupled Columns

In: Chromatographia : an international journal for rapid communication in chromatography, electrophoresis, and associated techniques, Vol. 78 (2015), No. 1-2, pp. 31 - 38

2015article/chapter in journal

Glaubitz, Johannes; Schmidt, Torsten Claus:

Analytical characterization and comparison of tristyrylphenol ethoxylates used in agrochemical formulations

In: Journal of surfactants and detergents, Vol. 18 (2015), No. 2, pp. 339 - 353

2015article/chapter in journal

Lutze, Holger; Bircher, Stefanie; Rapp, Insa; Kerlin, Nils; Bakkour, Rani; Geisler, Melanie; von Sonntag, Clemens; Schmidt, Torsten Claus:

Degradation of chlorotriazine pesticides by sulfate radicals and the influence of organic matter

In: Environmental Science & Technology, Vol. 49 (2015), No. 3, pp. 1673 - 1680

2015article/chapter in journal

vom Eyser, Claudia; Palmu, Kimmo; Otterpohl, R.; Schmidt, Torsten Claus; Türk, Jochen:

Determination of pharmaceuticals in sewage sludge and biochar from hydrothermal carbonization using different quantification approaches and matrix effect studies

In: Analytical & bioanalytical chemistry, Vol. 407 (2015), No. 3, pp. 821 - 830

2015dissertation

Klees, Marcel:

Evaluation of polychlorinated biphenyls, polychlorinated dibenzo-p-dioxins and dibenzofurans in street dust and wipe samples

Duisburg, Essen, 2015

2015article/chapter in journal

Rahman, Mohammed M.; Barajas, Xochitli L. O.; Luján, Jacobo L. H.; Jochmann, Maik; Mayer, Christian; Schmidt, Torsten Claus:

Core-Shell hybrid particles by alternating copolymerization of ionic liquid monomers from silica as sorbent for solid phase microextraction

In: Macromolecular Materials and Engineering, Vol. 300 (2015), No. 11, pp. 1049 - 1056

2015article/chapter in journal

Klees, Marcel; Hiester, Ernst; Schmidt, Torsten Claus:

Analysis of polychlorinated biphenyls, polychlorinated dibenzo-p-dioxins and dibenzofurans in particulate and oily films on impervious surfaces

In: The Science of the Total Environment, Vol. 538 (2015), pp. 363 - 374

2015article/chapter in journal

Eyser, Claudia vom; Palmu, K.; Schmidt, Torsten Claus; Türk, Jochen:

Pharmaceutical load in sewage sludge and biochar produced by hydrothermal carbonization

In: The Science of the Total Environment, Vol. 537 (2015), pp. 180 - 186

2015article/chapter in journal

Lutze, Holger; Kerlin, Nils; Schmidt, Torsten Claus:

Sulfate radical-based water treatment in presence of chloride : Formation of chlorate, inter-conversion of sulfate radicals into hydroxyl radicals and influence of bicarbonate

In: Water Research, Vol. 72 (2015), pp. 349 - 360

2015article/chapter in journal

Schmidt, Torsten Claus; Schmitz, Oliver J.; Teutenberg, Thorsten:

Multidimensional chromatography

In: Analytical and Bioanalytical Chemistry, Vol. 407 (2015), No. 1, pp. 117 - 118

2015article/chapter in journal

Armbruster, Dominic; Happel, Oliver; Scheurer, Marco; Harms, Klaus; Schmidt, Torsten Claus; Brauch, Heinz-Jürgen:

Emerging nitrogenous disinfection byproducts : Transformation of the antidiabetic drug metformin during chlorine disinfection of water

In: Water Research, Vol. 79 (2015), pp. 104 - 118

2015article/chapter in journal

Hering, Daniel; Aroviita, Jukka; Baattrup-Pedersen, Annette; Brabec, Karel; Buijse, Tom; Ecke, Frauke; Friberg, Nikolai; Gielczewski, Marek; Januschke, Kathrin; Köhler, Jan; Kupilas, Benjamin; Lorenz, Armin; Muhar, Susanne; Paillex, Amael; Poppe, Michaela; Kail, Jochem et al:

Contrasting the roles of section length and instream habitat enhancement for river restoration success : a field study of 20 European restoration projects

In: Journal of Applied Ecology, Vol. 52 (2015), No. 6, pp. 1518 - 1527

2015article/chapter in journal

Nestola, Marco; Friedrich, Rainer; Bluhme, Patrick; Schmidt, Torsten Claus:

Universal route to polycyclic aromatic hydrocarbon analysis in foodstuff : two-dimensional heart-cut liquid chromatography-gas chromatography-mass spectrometry

In: Analytical Chemistry, Vol. 87 (2015), No. 12, pp. 6195 - 6203

2015article/chapter in journal

Akinlua, Akinsehinwa; Jochmann, Maik; Schmidt, Torsten Claus:

Microwave-assisted ionic liquid extraction of n-alkanes and isoprenoid hydrocarbons from petroleum source rock

In: Chromatographia : an international journal for rapid communication in chromatography, electrophoresis, and associated techniques, Vol. 78 (2015), No. 17, pp. 1201 - 1209

2015dissertation

Tekle-Roettering, Agnes:

Ozonation of amines : kinetics, stoichiometry, product formation and mechanistic considerations

Duisburg, Essen, 2015

2015article/chapter in journal

Hetzel, Terence; Teutenberg, Thorsten; Schmidt, Torsten Claus:

Selectivity screening and subsequent data evaluation strategies in liquid chromatography : The example of 12 antineoplastic drugs

In: Analytical and Bioanalytical Chemistry, Vol. 407 (2015), No. 28, pp. 8475 - 8485

2015article/chapter in journal

Leonhardt, Juri; Teutenberg, Thorsten; Türk, Jochen; Schlüsener, Michael P.; Ternes, Thomas A.; Schmidt, Torsten Claus:

A comparison of one-dimensional and microscale two-dimensional liquid chromatographic approaches coupled to high resolution mass spectrometry for the analysis of complex samples

In: Analytical Methods, Vol. 7 (2015), No. 18, pp. 7697 - 7706

2015article/chapter in journal

Fischbacher, Alexandra; Löppenberg, Katja; Von Sonntag, Clemens; Schmidt, Torsten Claus:

A New Reaction Pathway for Bromite to Bromate in the Ozonation of Bromide

In: Environmental Science & Technology, Vol. 49 (2015), No. 19, pp. 11714 - 11720

2015Lecture / Speech

Niemann, André; Schmidt, Torsten Claus:

Searail summer schools and water enducation at the University of Duisburg-Essen

Summer School "Water and Human Health in Urban Systems – Toxicology and epidemiology, microbiology and risk assessment", Universität Duisburg-Essen, 28.09.-11.10.2015

2015

2015article/chapter in journal

Glaubitz, Johannes; Molt, Karl; Schmidt, Torsten Claus:

Composition of Commercial Bis(2-ethylhexyl) Sulfosuccinate Surfactant By-Products and their Effects on an Agrochemical Formulation

In: Journal of Surfactants and Detergents, Vol. 18 (2015), No. 1, pp. 123 - 132

2014article/chapter in journal

Schmidt, Torsten Claus; Holzapfel, G. A.; Balzani, Daniel; Schriefl, A. J.:

Modeling supra-physiological loading of human arterial walls : damage, anisotropy and component-specific behavior

In: Biomedical engineering = Biomedizinische Technik, Vol. 59 (2014), No. S 1, pp. 1023 - S1024

2014dissertation

Kujawinski, Dorothea:

Liquid Chromatography coupled to Isotope Ratio Mass Spectrometry of Selected Polar Compounds

Duisburg, Essen, 2014

2014article/chapter in journal

Reisz, Erika; Fischbacher, Alexandra; Naumov, Sergej V.; Sonntag, Clemens von; Schmidt, Torsten Claus:

Hydride Transfer : A Dominating Reaction of Ozone with Tertiary Butanol and Formate Ion in Aqueous Solution

In: Ozone Science and Engineering, Vol. 36 (2014), No. 6, pp. 532 - 539

2014dissertation

Laaks, Jens:

Development and validation of novel solventless microextraction techniques in gas chromatography

Duisburg, Essen, 2014

2014article/chapter in journal

Laaks, Jens; Jochmann, Maik; Schilling, Beat; Molt, Karl; Schmidt, Torsten Claus:

In-tube extraction-GC-MS as a high-capacity enrichment technique for the analysis of alcoholic beverages

In: Journal of Agricultural and Food Chemistry, Vol. 62 (2014), No. 14, pp. 3081 - 3091

2014article/chapter in journal

Erger, Christine; Schmidt, Torsten Claus:

Disk-based solid-phase extraction in water analysis of organic substances

In: Trends in Analytical Chemistry (TrAC), Vol. 61 (2014), pp. 74 - 82

2014article/chapter in journal

Zhang, Lijun; Thevis, Mario; Piper, Thomas; Jochmann, Maik; Wolbert, Jens-Benjamin; Kujawinski, Dorothea M.; Wiese, Steffen; Teutenberg, Thorsten; Schmidt, Torsten Claus:

Carbon isotope ratio analysis of steroids by high temperature liquid chromatography - isotope ratio mass spectrometry

In: Analytical Chemistry, Vol. 86 (2014), No. 5, pp. 2297 - 2302

2014article/chapter in journal

Lutze, Holger; Bakkour, Rani; Kerlin, Nils; von Sonntag, Clemens; Schmidt, Torsten Claus:

Formation of bromate in sulfate radical based oxidation : Mechanistic aspects and suppression by dissolved organic matter

In: Water Research, Vol. 53 (2014), pp. 370 - 377

2014article/chapter in journal

Dobaradaran, Sina; Lutze, Holger; Mahvi, Amir Hossein; Schmidt, Torsten Claus:

Transformation efficiency and formation of transformation products during photochemical degradation of TCE and PCE at micromolar concentrations

In: Journal of environmental health science & engineering, Vol. 12 (2014), No. 1

2014article/chapter in journal

Ricken, Tim; Sindern, Andrea; Bluhm, Joachim; Widmann, Renatus; Denecke, Martin; Gehrke, Tobias; Schmidt, Torsten Claus:

Concentration driven phase transitions in multiphase porous media with application to methane oxidation in landfill cover layers

In: ZAMM : Zeitschrift für Angewandte Mathematik und Mechanik, Vol. 94 (2014), No. 7-8, pp. 609 - 622

2014dissertation

Glaubitz, Johannes:

Chromatographic and spectroscopic characterization of surfactants used for agrochemical products

Duisburg, Essen, 2014

2014dissertation

Haun, Jakob:

Miniaturized online comprehensive two-dimensional liquid chromatography

Duisburg, Essen, 2014

2014article/chapter in journal

Federherr, E.; Cerli, C.; Kirkels, F. M. S. A.; Kalbitz, K.; Kupka, H. J.; Dunsbach, R.; Lange, L.; Schmidt, Torsten Claus:

A novel high-temperature combustion based system for stable isotope analysis of dissolved organic carbon in aqueous samples. I: development and validation

In: Rapid Communications in Mass Spectrometry, Vol. 28 (2014), No. 23, pp. 2559 - 2573

2014book article/chapter in collection

Widmann, Renatus; Schmidt, Torsten Claus:

Von intelligenten Zisternen, modernen Wärmeleitern und gewaschenen Dämmsystemen

In: KuLaRuhr Abschlussveranstaltung : Forschen für die Region : nachhaltige urbane Kulturlandschaft in der Metropole Ruhr : Universität Duisburg-Essen – 23. & 24. Oktober 2014 - 2014

2014article/chapter in journal

Faber, Helene; Lutze, Holger; Lareo, Pablo Lores; Frensemeier, Lisa; Vogel, Martin; Schmidt, Torsten Claus; Karst, Uwe:

Liquid chromatography/mass spectrometry to study oxidative degradation of environmentally relevant pharmaceuticals by electrochemistry and ozonation

In: Journal of Chromatography A, Vol. 1343 (2014), pp. 152 - 159

2014article/chapter in journal

Hüffer, Thorsten; Endo, Satoshi; Metzelder, Florian; Schroth, Sarah; Schmidt, Torsten Claus:

Prediction of sorption of aromatic and aliphatic organic compounds by carbon nanotubes using poly-parameter linear free-energy relationships

In: Water Research, Vol. 59 (2014), pp. 295 - 303

2013dissertation

Kowal, Sebastian:

Determination of polar pesticide metabolites in aqueous matrices by LC-MS and investigation of occurring matrix effects

Duisburg, Essen, 2013

2013dissertation

Cyris, Maike:

Behavior of gadolinium-based diagnostics in water treatment

Duisburg, Essen, 2013

2013article/chapter in journal

Hüffer, Thorsten; Osorio, Xochitli; Jochmann, Maik; Schilling, Beat; Schmidt, Torsten Claus:

Multi-walled carbon nanotubes as sorptive material for solventless in-tube microextraction (ITEX2) - a factorial design study

In: Analytical & bioanalytical chemistry, Vol. 405 (2013), No. 26, pp. 8387 - 8395

2013article/chapter in journal

Cyris, Maike; Knolle, Wolfgang; Richard, Jessica; Dopp, Elke; von Sonntag, Clemens; Schmidt, Torsten Claus:

Reaction of Gadolinium Chelates with Ozone and Hydroxyl Radicals

In: Environmental Science & Technology, Vol. 47 (2013), No. 17, pp. 9942 - 9949

2013article/chapter in journal

Fischbacher, Alexandra; von Sonntag, Justus; von Sonntag, Clemens; Schmidt, Torsten Claus:

The •OH Radical Yield in the H2O2 + O3 (Peroxone) Reaction

In: Environmental Science & Technology, Vol. 47 (2013), No. 17, pp. 9959 - 9964

2013article/chapter in journal

Hüffer, Thorsten; Kah, Melanie; Hofmann, Thilo; Schmidt, Torsten Claus:

How Redox Conditions and Irradiation Affect Sorption of PAHs by Dispersed Fullerenes (nC60)

In: Environmental Science & Technology, Vol. 47 (2013), No. 13, pp. 6935 - 6942

2013article/chapter in journal

Glaubitz, Johannes; Schmidt, Torsten Claus:

LC-MS Quantification of a sulfosuccinate surfactant in agrochemical formulations

In: Chromatographia : an international journal for rapid communication in chromatography, electrophoresis, and associated techniques, Vol. 76 (2013), No. 23-24, pp. 1729 - 1737

2013article/chapter in journal

Kujawinski, Dorothea M.; Wolbert, Jens-Benjamin; Zhang, Lijun; Jochmann, Maik; Widory, David; Baran, Nicole; Schmidt, Torsten Claus:

Carbon isotope ratio measurements of glyphosate and AMPA by liquid chromatography coupled to isotope ratio mass spectrometry

In: Analytical and Bioanalytical Chemistry, Vol. 405 (2013), No. 9, pp. 2869 - 2878

2013article/chapter in journal

Erger, Christine; Balsaa, Peter; Werres, Friedrich; Schmidt, Torsten Claus:

Determination of organic priority pollutants in the low nanogram-per-litre range in water by solid-phase extraction disk combined with large-volume injection/gas chromatography–mass spectrometry

In: Analytical & Bioanalytical Chemistry, Vol. 405 (2013), No. 15, pp. 5215 - 5223

2013article/chapter in journal

Wuerfel, Oliver; Greule, Markus; Keppler, Frank; Jochmann, Maik; Schmidt, Torsten Claus:

Position-specific isotope analysis of the methyl group carbon in methylcobalamin for the investigation of biomethylation processes

In: Analytical and Bioanalytical Chemistry, Vol. 405 (2013), No. 9, pp. 2833 - 2841

2013article/chapter in journal

Klees, Marcel; Hiester, Ernst; Bruckmann, Peter; Schmidt, Torsten Claus:

Determination of polychlorinated biphenyls and polychlorinated dibenzo-p-dioxins and dibenzofurans by pressurized liquid extraction and gas chromatography coupled to mass spectrometry in street dust samples

In: Journal of Chromatography A (2013), No. 1300, pp. 17 - 23

2013article/chapter in journal

Kowal, Sebastian; Balsaa, Peter; Werres, Friedrich; Schmidt, Torsten Claus:

Fully automated standard addition method for the quantification of 29 polar pesticide metabolites in different water bodies using LC-MS/MS

In: Analytical and Bioanalytical Chemistry, Vol. 405 (2013), No. 19, pp. 6337 - 6351

2013dissertation

Athenstädt, Behnusch:

Development of GC-MS methods for the identification and quantification of leachables from plastic packaging in dialysis solutions

Duisburg, Essen, 2013

2013dissertation

Erger, Christine:

Determination of priority organic substances in surface water containing suspended particulate matter by disk solid phase extraction

Duisburg, Essen, 2013

2013dissertation

Lutze, Holger:

Sulfate radical based oxidation in water treatment

Duisburg, Essen, 2013

2013dissertation

Zhang, Lijun:

Development and application of liquid chromatography coupled to isotope ratio mass

Duisburg, Essen, 2013

2013dissertation

Hüffer, Thorsten:

Sorption of non-ionic organic compounds by carbon-based nanomaterials : systematic characterization, modeling, and application

Duisburg, Essen, 2013

2013article/chapter in journal

Haun, Jakob; Leonhardt, Juri; Portner, Christoph; Hetzel, Terence; Türk, Jochen; Teutenberg, Thorsten; Schmidt, Torsten Claus:

Online and splitless NanoLC × CapillaryLC with quadrupole/time-of- flight mass spectrometric detection for comprehensive screening analysis of complex samples

In: Analytical Chemistry, Vol. 85 (2013), No. 21, pp. 10083 - 10090

2013article/chapter in journal

Schmidt, Torsten Claus; Jochmann, Maik; Laaks, Jens:

Empfindlich, automatisch und ohne Lösungsmittel

In: Nachrichten aus der Chemie, Vol. 61 (2013), pp. 54 - 56

2013Preface (foreword) / Postface in journal

Heumann, Klaus G; Schmidt, Torsten Claus:

Isotope ratio measurements : new developments and applications

In: Analytical and Bioanalytical Chemistry, Vol. 405 (2013), No. 9, pp. 2747 - 2748

2012article/chapter in journal

Laaks, Jens; Jochmann, Maik; Schmidt, Torsten Claus:

Solvent-free microextraction techniques in gas chromatography

In: Analytical and Bioanalytical Chemistry, Vol. 402 (2012), No. 2, pp. 565 - 571

2012article/chapter in journal

Kowal, Sebastian; Balsaa, Peter; Werres, Friedrich; Schmidt, Torsten Claus:

Reduction of matrix effects and improvement of sensitivity during determination of two chloridazon degradation products in aqueous matrices by using UPLC-ESI-MS/MS

In: Analytical and Bioanalytical Chemistry, Vol. 403 (2012), No. 6, pp. 1707 - 1717

2012article/chapter in journal

Erger, Christine; Balsaa, Peter; Werres, Friedrich; Schmidt, Torsten Claus:

Occurrence of residual water within disk based solid phase extraction and its effect on GC-MS measurement of organic extracts of environmental samples

In: Analytical and Bioanalytical Chemistry, Vol. 403 (2012), No. 9, pp. 2541 - 2552

2012article/chapter in journal

Schmidt, Torsten Claus; Jochmann, Maik:

Origin and Fate of Organic Compounds in Water : Characterization by Compound-Specific Stable Isotope Analysis

In: Annual Review of Analytical Chemistry, Vol. 5 (2012), No. 5, pp. 133 - 155

2012article/chapter in journal

Kujawinski, Dorothea M.; Zhang, Lijun; Schmidt, Torsten Claus; Jochmann, Maik:

When other separation techniques fail : compound-specific carbon isotope ratio analysis of sulfonamide containing pharmaceuticals by high-temperature-liquid chromatography-isotope ratio mass spectrometry

In: Analytical Chemistry, Vol. 84 (2012), No. 18, pp. 7656 - 7663

2012article/chapter in journal

Haun, Jakob; Teutenberg, Thorsten; Schmidt, Torsten Claus:

Influence of temperature on peak shape and solvent compatibility : implications for two-dimensional liquid chromatography

In: Journal of Separation Science, Vol. 35 (2012), No. 14, pp. 1723 - 1730

2012article/chapter in journal

Akinlua, Akinsehinwa; Jochmann, Maik; Qian, Yuan; Sulkowski, Martin; Schmidt, Torsten Claus:

Factors controlling leaching of polycyclic aromatic hydrocarbons from petroleum source rock using nonionic surfactant

In: Chromatographia : an international journal for rapid communication in chromatography, electrophoresis, and associated techniques, Vol. 75 (2012), No. 5-6, pp. 213 - 221

2012article/chapter in journal

Zhang, Lijun; Kujawinski, Dorothea M.; Federherr, Eugen; Schmidt, Torsten Claus; Jochmann, Maik:

Caffeine in your drink : natural or synthetic?

In: Analytical Chemistry, Vol. 84 (2012), No. 6, pp. 2805 - 2810

2012article/chapter in journal

Wiese, Steffen; Teutenberg, Thorsten; Schmidt, Torsten Claus:

A general strategy for performing temperature-programming in high performance liquid chromatography : further improvements in the accuracy of retention time predictions of segmented temperature gradients

In: Journal of Chromatography A (2012), No. 1222, pp. 71 - 80

2012article/chapter in journal

Haun, Jakob; Oeste, Katja; Teutenberg, Thorsten; Schmidt, Torsten Claus:

Long-term high-temperature and pH stability assessment of modern commercially available stationary phases by using retention factor analysis

In: Journal of Chromatography A (2012), No. 1263, pp. 99 - 107

2012book

Jochmann, Maik; Schmidt, Torsten Claus:

Compound-specific Stable Isotope Analysis

Cambridge: Royal Society of Chemistry Publishing, 2012

2012dissertation

Würfel, Oliver:

Mechanistic investigation on methylation of metal(loid)s by methylcobalamin

Duisburg, Essen, 2012

2012article/chapter in journal

Sein, Myint Myint; Nasir, Z. Bin; Telgheder, Ursula; Schmidt, Torsten Claus:

Studies on a non-thermal pulsed corona plasma between two parallel-plate electrodes in water

In: Journal of Physics D : Applied Physics, Vol. 45 (2012), No. 22, 225203/1-225203/9

2012article/chapter in journal

Erger, Christine; Balsaa, Peter; Werres, Friedrich; Schmidt, Torsten Claus:

Multi-component trace analysis of organic xenobiotics in surface water containing suspended particular matter by solid phase extraction/gas chromatography–mass spectrometry

In: Journal of Chromatography A, Vol. 1249 (2012), pp. 181 - 189

2012article/chapter in journal

Elsner, Martin; Jochmann, Maik; Hofstetter, Thomas B.; Hunkeler, Daniel; Bernstein, Anat; Schmidt, Torsten Claus; Schimmelmann, Arndt:

Current challenges in compound-specific stable isotope analysis of environmental organic contaminants

In: Analytical and Bioanalytical Chemistry, Vol. 403 (2012), No. 9, pp. 2471 - 2491

2012article/chapter in journal

Laaks, Jens; Letzel, Thomas; Schmidt, Torsten Claus; Jochmann, Maik:

Fingerprinting of red wine by headspace solid-phase dynamic extraction of volatile constituents

In: Analytical and Bioanalytical Chemistry, Vol. 403 (2012), No. 8, pp. 2429 - 2436

2012article/chapter in journal

Athenstädt, Behnusch; Fünfrocken, Michael; Schmidt, Torsten Claus:

Migrating components in a polyurethane laminating adhesive identified using gas chromatography/mass spectrometry

In: Rapid Communications in Mass Spectrometry, Vol. 26 (2012), No. 16, pp. 1810 - 1816

2011book article/chapter in Proceedings

Ricken, Timo; Widmann, Renatus; Schmidt, Torsten Claus:

On the modeling and simulation of biological methane oxidation in porous media : a multiphase continuum approach; [IS - Coupled problems in geotechnical engineering II]

In: Proceedings of the Computational Methods for Coupled Problems in Science and Engineering IV / Papadrakakis, Manolis; Oñate, Eugenio; Schrefler, Bernhard A. (Eds.). - IV International Conference on Computational Methods for Coupled Problems in Science and Engineering; Kos, Greece; 20-22 June 2011 - Barcelona: International Center for Numerical Methods in Engineering (CIMNE), 2011

2011dissertation

Zedda, Marco:

Determination of membrane degradation products in the product water of polymer electrolyte membrane fuel cells using liquid chromatography mass spectrometry

Duisburg, Essen, 2011

2011article/chapter in journal

Telgheder, Ursula; Schmidt, Torsten Claus:

Ionenmobilitätsspektrometrie in der Wasseranalytik

In: GIT : Labor-Fachzeitschrift (2011), No. 11, pp. 784 - 786

2011article/chapter in journal

Bernstein, Anat; Shouakar-Stash, Orfan; Ebert, Karin; Laskov, Christine; Hunkeler, Daniel; Jeannottat, Simon; Sakaguchi-Söder, Kaori; Laaks, Jens; Jochmann, Maik; Cretnik, Stefan; Jager, Johannes; Haderlein, Stefan B.; Schmidt, Torsten Claus; Aravena, Ramon; Elsner, Martin:

Compound-specific chlorine isotope analysis : a comparison of gas chromatography/isotope ratio mass spectrometry and gas chromatography/quadrupole mass spectrometry methods in an interlaboratory study

In: Analytical Chemistry, Vol. 83 (2011), No. 20, pp. 7624 - 7634

2011article/chapter in journal

Wiese, Steffen; Teutenberg, Thorsten; Schmidt, Torsten Claus:

A general strategy for performing temperature programming in high performance liquid chromatography : prediction of linear temperature gradients

In: Analytical Chemistry, Vol. 83 (2011), No. 6, pp. 2227 - 2233

2011article/chapter in journal

Akinlua, A.; Jochmann, Maik; Laaks, J.; Ewert, A.; Schmidt, Torsten Claus:

Microwave-assisted nonionic surfactant extraction of aliphatic hydrocarbons from petroleum source rock

In: Analytica Chimica Acta, Vol. 691 (2011), No. 1-2, pp. 48 - 55

2011article/chapter in journal

Qian, Yuan; Posch, Tjorben; Schmidt, Torsten Claus:

Sorption of polycyclic aromatic hydrocarbons (PAHs) on glass surfaces

In: Chemosphere, Vol. 82 (2011), No. 6, pp. 859 - 865

2011book article/chapter in collection

von Sonntag, C.; Schmidt, Torsten Claus:

Sauberes Wasser mit Ozon

In: Chemie über den Wolken …und darunter / Zellner, Reinhard (Eds.). - 2011, pp. 101 - 103

2011dissertation

Wiese, Steffen:

A general strategy for performing temperature programming in high performance liquid chromatography

Duisburg, Essen, 2011

2011article/chapter in journal

Wiese, Steffen; Teutenberg, Thorsten; Schmidt, Torsten Claus:

A general strategy for performing temperature-programming in high performance liquid chromatography : prediction of segmented temperature gradients

In: Journal of Chromatography A, Vol. 1218 (2011), No. 39, pp. 6898 - 6906

2011article/chapter in journal

Zhang, Lijun; Kujawinski, Dorothea M.; Jochmann, Maik; Schmidt, Torsten Claus:

High-temperature reversed-phase liquid chromatography coupled to isotope ratio mass spectrometry

In: Rapid Communications in Mass Spectrometry, Vol. 25 (2011), No. 20, pp. 2971 - 2980

2010dissertation

Qian, Yuan:

Sorption of hydrophobic organic compounds (HOCs) to inorganic surfaces in aqueous solutions

Duisburg, Essen, 2010

2010article/chapter in journal

Zedda, Marco; Tuerk, Jochen; Peil, Stefan; Schmidt, Torsten Claus:

Determination of polymer electrolyte membrane (PEM) degradation products in fuel cell water using electrospray ionization tandem mass spectrometry

In: Rapid Communications in Mass Spectrometry, Vol. 24 (2010), No. 24, pp. 3531 - 3538

2010article/chapter in journal

Laaks, Jens; Jochmann, Maik; Schilling, Beat; Schmidt, Torsten Claus:

In-tube extraction of volatile organic compounds from aqueous samples : an economical alternative to purge and trap enrichment

In: Analytical Chemistry, Vol. 82 (2010), No. 18, pp. 7641 - 7648

2010article/chapter in journal

Pocostales, J. Pablo; Sein, Myint Myint; Knolle, Wolfgang; Sonntag, Clemens von; Schmidt, Torsten Claus:

Degradation of ozone-refractory organic phosphates in wastewater by ozone and ozone/hydrogen peroxide (peroxone) : the role of ozone consumption by dissolved organic matter

In: Environmental Science & Technology, Vol. 44 (2010), No. 21, pp. 8248 - 8253

2010article/chapter in journal

Li, Binghua; Qian, Yuan; Bi, Erping; Chen, Honghan; Schmidt, Torsten Claus:

Sorption behavior of phthalic acid esters on reference soils evaluated by soil column chromatography

In: CLEAN - Soil, Air, Water, Vol. 38 (2010), No. 5-6, pp. 425 - 429

2010article/chapter in journal

Bi, Erping; Schmidt, Torsten Claus; Haderlein, Stefan B.:

Practical issues relating to soil column chromatography for sorption parameter determination

In: Chemosphere, Vol. 80 (2010), No. 7, pp. 787 - 793

2010article/chapter in journal

Kujawinski, Dorothea M.; Stephan, Manuel; Jochmann, Maik; Krajenke, Karen; Haas, Joe; Schmidt, Torsten Claus:

Stable carbon and hydrogen isotope analysis of methyl tert-butyl ether and tert-amyl methyl ether by purge and trap-gas chromatography-isotope ratio mass spectrometry : method evaluation and application

In: Journal of environmental monitoring : JEM, Vol. 12 (2010), No. 1, pp. 347 - 354

2010article/chapter in journal

Schmidt, Torsten Claus; Lutze, Holger; Merkel, Wolf:

Möglichkeiten und Grenzen oxidativer Verfahren in der Wasseraufbereitung (Trinkwasser, Abwasser)

In: GWF : Wasser, Abwasser, Vol. 151 (2010), No. 9, pp. 874 - 880

2009book article/chapter in collection

Gruyters, M.; Widmann, Renatus; Schmidt, Torsten Claus; Stephan, M.:

Use of complementary research methods to evaluate the appropriateness of an interim coverage as a methane oxidation layer on a closed landfill

In: SARDINIA 2009 : twelfth international waste management and landfill symposium : [5 - 9 October 2009, S. Margherita di Pula, Cagliari, Sardinia, Italy] - [Cagliari]: CISA Publ., 2009

2009article/chapter in journal

Jochmann, Maik; Steinmann, Dirk; Stephan, Manuel; Schmidt, Torsten Claus:

Flow iInjection analysis−isotope ratio mass spectrometry for bulk carbon stable isotope analysis of alcoholic beverages

In: Journal of Agricultural and Food Chemistry, Vol. 57 (2009), No. 22, pp. 10489 - 10496

2009article/chapter in journal

Zedda, Marco; Tuerk, Jochen; Teutenberg, Thorsten; Peil, Sabine; Schmidt, Torsten Claus:

A strategy for the systematic development of an LC-UV-MS/MS screening method for polymer electrolyte membrane degradation products using isocratic and gradient phase optimized liquid chromatography

In: Journal of Chromatography A, Vol. 1216 (2009), No. 51, pp. 8910 - 8917

2009article/chapter in journal

Kowal, Sebastian; Balsaa, Peter; Werres, Friedrich; Schmidt, Torsten Claus:

Determination of the polar pesticide degradation product N,N-dimethylsulfamide in aqueous matrices by UPLC-MS/MS

In: Analytical and Bioanalytical Chemistry, Vol. 395 (2009), No. 6, pp. 1787 - 1794

2009article/chapter in journal

Bi, Erping; Zhang, Lunliang; Schmidt, Torsten Claus; Haderlein, Stefan B.:

Simulation of nonlinear sorption of N-heterocyclic organic contaminants in soil columns

In: Journal of Contaminant Hydrology, Vol. 107 (2009), No. 1-2, pp. 58 - 65

2009article/chapter in journal

Pooley, Kathryn E.; Blessing, Michaela; Schmidt, Torsten Claus; Haderlein, Stefan B.; MacQuarrie, Kerry T.B.; Prommer, Henning:

Aerobic biodegradation of chlorinated ethenes in a fractured bedrock aquifer : quantitative assessment by compound-specific isotope analysis (CSIA) and reactive transport modeling

In: Environmental Science & Technology, Vol. 43 (2009), No. 19, pp. 7458 - 7464

2009article/chapter in journal

Sein, Myint Myint; Schmidt, Torsten Claus; Golloch, Alfred; von Sonntag, Clemens:

Oxidation of sometypical wastewater contaminants (tributyltin, clarithromycin, metoprolol and diclofenac) by ozone

In: Water Science and Technology, Vol. 59 (2009), No. 8, pp. 1479 - 1485

2009article/chapter in journal

Liu, Lihua; Endo, Satoshi; Eberhardt, Christina; Grathwohl, Peter; Schmidt, Torsten Claus:

Partition behavior of polycyclic aromatic hydrocarbons between aged coal tar and water

In: Environmental Toxicology and Chemistry : ET&C Online, Vol. 28 (2009), No. 8, pp. 1578 - 1584

2009article/chapter in journal

Endo, Satoshi; Grathwohl, Peter; Haderlein, Stefan B.; Schmidt, Torsten Claus:

Effects of native organic material and water on sorption properties of reference diesel soot

In: Environmental Science & Technology, Vol. 43 (2009), No. 9, pp. 3187 - 3193

2009article/chapter in journal

Blessing, Michaela; Schmidt, Torsten Claus; Dinkel, Rainer; Haderlein, Stefan B.:

Delineation of multiple chlorinated ethene sources in an industrialized area : a forensic field study using compound-specific isotope analysis

In: Environmental Science & Technology, Vol. 43 (2009), pp. 2701 - 2707

2009article/chapter in journal

Endo, Satoshi; Grathwohl, Peter; Haderlein, Stefan B.; Schmidt, Torsten Claus:

LFERs for soil organic carbon-water distribution coefficients (K-OC) at environmentally relevant sorbate concentrations

In: Environmental Science & Technology, Vol. 43 (2009), No. 9, pp. 3094 - 3100

2009article/chapter in journal

Endo, Satoshi; Grathwohl, Peter; Handerlein, Stefan B.; Schmidt, Torsten Claus:

Characterization of sorbent properties of soil organic matter and carbonaceous geosorbents using n-Alkanes and Cycloalkanes as molecular probes

In: Environmental Science & Technology, Vol. 43 (2009), No. 2, pp. 393 - 400

2009article/chapter in journal

Werres, Friedrich; Balsaa, Peter; Schmidt, Torsten Claus:

Total concentration analysis of polycylic aromatic hydrocarbons in aqueous samples with high suspended particulate matter content

In: Journal of Chromatography A, Vol. 1216 (2009), No. 12, pp. 2235 - 2240

2008article/chapter in journal

Jochmann, Maik; Yuan, Xue; Schilling, Beat; Schmidt, Torsten Claus:

In-tube extraction for enrichment of volatile organic hydrocarbons from aqueous samples

In: Journal of Chromatography A, Vol. 1179 (2008), No. 2, pp. 96 - 105

2008article/chapter in journal

Blessing, Michaela; Jochmann, Maik; Schmidt, Torsten Claus:

Pitfalls in compound-specific isotope analysis of environmental samples

In: Analytical and Bioanalytical Chemistry, Vol. 390 (2008), No. 2, pp. 591 - 603

2008article/chapter in journal

Endo, Satoshi; Grathwohl, Peter; Haderlein, Stefan B.; Schmidt, Torsten Claus:

Compound-specific factors influencing sorption nonlinearity in natural organic matter

In: Environmental Science & Technology, Vol. 42 (2008), No. 16, pp. 5897 - 5903

2008article/chapter in journal

Endo, Satoshi; Xu, Wanjing; Goss, Kai-Uwe; Schmidt, Torsten Claus:

Evaluating coal tar-water partitioning coefficient estimation methods and solute-solvent molecular interactions in tar phase

In: Chemosphere, Vol. 73 (2008), No. 4, pp. 532 - 538

2008article/chapter in journal

Sein, Myint Myint; Zedda, Marco; Tuerk, Jochen; Schmidt, Torsten Claus; Golloch, Alfred; von Sonntag, Clemens:

Oxidation of diclofenac with ozone in aqueous solution

In: Environmental Science & Technology, Vol. 42 (2008), No. 17, pp. 6656 - 6662

2008article/chapter in journal

Endo, Satoshi; Grathwohl, Peter; Schmidt, Torsten Claus:

Absorption or adsorption? Insights from molecular probes n-alkanes and cycloalkanes into modes of sorption by environmental solid matrices

In: Environmental Science & Technology, Vol. 42 (2008), No. 11, pp. 3989 - 3995

2007article/chapter in journal

Bi, Erping; Schmidt, Torsten Claus; Haderlein, Stefan B.:

Environmental factors influencing sorption of heterocyclic aromatic compounds to soil

In: Environmental Science & Technology, Vol. 41 (2007), No. 9, pp. 3172 - 3178

2007article/chapter in journal

Schmidt, Torsten Claus; Jochmann, Maik; Blessing, Michaela:

Isotopenanalyse : ein neues Werkzeug in der Umweltanalytik

In: Nachrichten aus der Chemie, Vol. 55 (2007), No. 5, pp. 536 - 539

2007article/chapter in journal

Sein, Myint Myint; Golloch, Alfred; Schmidt, Torsten Claus; von Sonntag, Clemens:

No marked kinetic isotope effect in the peroxone (H2O 2/D2O2 + O3) reaction : Mechanistic consequences

In: ChemPhysChem, Vol. 8 (2007), No. 14, pp. 2065 - 2067

2007article/chapter in journal

Gocht, Tilman; Barth, Johannes A. C.; Epp, Michaela; Jochmann, Maik; Blessing, Michaela; Schmidt, Torsten Claus; Grathwohl, Peter:

Indications for pedogenic formation of perylene in a terrestrial soil profile : depth distribution and first results from stable carbon isotope ratios

In: Applied Geochemistry, Vol. 22 (2007), No. 12, pp. 2652 - 2663

2007article/chapter in journal

Jochmann, Maik; Yuan, Xue; Schmidt, Torsten Claus:

Determination of volatile organic hydrocarbons in water samples by solid-phase dynamic extraction

In: Analytical and Bioanalytical Chemistry, Vol. 387 (2007), No. 6, pp. 2163 - 2174

2006article/chapter in journal

Goss, Kai-Uwe; Bronner, Guido; Harner, Tom; Hertel, Monika; Schmidt, Torsten Claus:

The partition behavior of fluorotelomer alcohols and olefins

In: Environmental Science & Technology, Vol. 40 (2006), No. 11, pp. 3572 - 3577

2006article/chapter in journal

Jochmann, Maik; Kmiecik, Magda P.; Schmidt, Torsten Claus:

Solid-phase dynamic extraction for the enrichment of polar volatile organic compounds from water

In: Journal of Chromatography A, Vol. 1115 (2006), No. 1/2, pp. 208 - 216

2006article/chapter in journal

Bi, Erping; Schmidt, Torsten Claus; Haderlein, Stefan B.:

Sorption of heterocyclic organic compounds to reference soils : column studies for process identification

In: Environmental Science & Technology, Vol. 40 (2006), No. 19, pp. 5962 - 5970

2006article/chapter in journal

Endo, Satoshi; Schmidt, Torsten Claus:

Prediction of partitioning between complex organic mixtures and water : application of polyparameter linear free energy relationships

In: Environmental Science & Technology, Vol. 40 (2006), No. 2, pp. 536 - 545

2006article/chapter in journal

Endo, Satoshi; Schmidt, Torsten Claus:

Partitioning properties of linear and branched ethers : determination of linear solvation energy relationship (LSER) descriptors

In: Fluid Phase Equilibria, Vol. 246 (2006), No. 1-2, pp. 143 - 152

2006Encyclopedia entry in Lexicon

Schmidt, Torsten Claus; Steinbach, Klaus; Bütehorn, Ulf:

Nitroaromatics, environmental analysis of environment : Water and waste

In: Encyclopedia of analytical chemistry : applications, theory and instrumentation / Meyers, R. A. (Eds.). - Chichester: Wiley, 2006, pp. 2946 - 2966

2006article/chapter in journal

Zimmermann, Thomas; Ensinger, Wolfgang J.; Schmidt, Torsten Claus:

Depletion solid-phase microextraction for the evaluation of fiber-sample partition coefficients of pesticides

In: Journal of Chromatography A, Vol. 1102 (2006), No. 1/2, pp. 51 - 59

2006article/chapter in journal

Jochmann, Maik; Blessing, Michaela; Haderlein, Stefan B.; Schmidt, Torsten Claus:

A new approach to determine method detection limits for compound-specific isotope analysis of volatile organic compounds

In: Rapid Communications in Mass Spectrometry, Vol. 20 (2006), No. 24, pp. 3639 - 3648

2005article/chapter in journal

Haderlein, Stefan B.; Schmidt, Torsten Claus; Elsner, Martin; Zwank, Luc; Berg, Michael; Schwarzenbach, Rene P.:

Response to Comment on “New Evaluation Scheme for Two-Dimensional Isotope Analysis to Decipher Biodegradation Processes: Application to Groundwater Contamination by MTBE”

In: Environmental Science & Technology, Vol. 39 (2005), No. 21, pp. 8543 - 8544

2005article/chapter in journal

Zwank, Luc; Berg, Michael; Elsner, Martin; Schmidt, Torsten Claus; Schwarzenbach, René P.:

New evaluation scheme for two-dimensional isotope analysis to decipher biodegradation processes : application to Groundwater Contamination by MTBE

In: Environmental Science & Technology, Vol. 39 (2005), No. 4, pp. 1018 - 1029

2005article/chapter in journal

Bi, Erping; Haderlein, Stefan B.; Schmidt, Torsten Claus:

Sorption of methyl tert-butyl ether (MTBE) and tert-butyl alcohol (TBA) to synthetic resins.

In: Water Research, Vol. 39 (2005), No. 17, pp. 4164 - 4176

2005article/chapter in journal

Zwank, Luc; Berg, Michael; Elsner, Martin; Schmidt, Torsten Claus; Schwarzenbach, Rene P.; Haderlein, Stefan B.:

Correction : New evaluation scheme for two-dimensional isotope analysis to decipher biodegradation processes: application to groundwater contamination by MTBE

In: Environmental Science & Technology, Vol. 39 (2005), No. 18, p. 7344

2005article/chapter in journal

Arp, Hans Peter H.; Fenner, Kathrin; Schmidt, Torsten Claus:

Predicting methyl tert-butyl ether, tert-butyl formate, and tert-butyl alcohol levels in the environment using the fugacity approach

In: Environmental Science & Technology, Vol. 39 (2005), No. 9, pp. 3237 - 3244

2004article/chapter in journal

Schmidt, Torsten Claus; Schirmer, Mario; Weiss, Holger; Haderlein, Stefan B.:

Microbial degradation of methyl tert-butyl ether and tert-butyl alcohol in the subsurface

In: Journal of Contaminant Hydrology, Vol. 70 (2004), No. 3/4, pp. 173 - 203

2004article/chapter in journal

Diehl, Georg; Wasinski, Frank A. H.; Roberz, Benedikte; Luftmann, Heinrich; Schmidt, Torsten Claus; Andersson, Jan T.; Karst, Uwe:

Liquid chromatography / electrochemistry / mass spectrometry as screening technique for alcohols and phenols in fuels

In: Microchimica Acta, Vol. 146 (2004), No. 2, pp. 137 - 147

2004article/chapter in journal

Schmidt, Torsten Claus; Haderlein, Stefan B.; Pfister, Rolf; Forster, Richard:

Occurrence and fate modeling of MTBE and BTEX compounds in a Swiss Lake used as drinking water supply

In: Water Research, Vol. 38 (2004), No. 6, pp. 1520 - 1529

2004article/chapter in journal

Schmidt, Torsten Claus; Zwank, Luc; Elsner, Martin; Berg, Michael; Meckenstock, Rainer; Haderlein, Stefan B.:

Compound-specific stable isotope analysis of organic contaminants in natural environments : a critical review of the state of the art, prospects, and future challenges

In: Analytical and Bioanalytical Chemistry, Vol. 378 (2004), No. 2, pp. 283 - 300

2004article/chapter in journal

Zimmermann, Thomas; Ensinger, Wolfgang J.; Schmidt, Torsten Claus:

In Situ Derivatization/Solid-Phase Microextraction : Determination of Polar Aromatic Amines

In: Analytical Chemistry, Vol. 76 (2004), No. 4, pp. 1028 - 1038

2004article/chapter in journal

Schmidt, Torsten Claus; Buetehorn, Ulf; Steinbach, Klaus:

HPLC-MS investigations of acidic contaminants in ammunition wastes using volatile ion-pairing reagents (VIP-LC-MS)

In: Analytical and Bioanalytical Chemistry, Vol. 378 (2004), No. 4, pp. 926 - 931

2004article/chapter in journal

Arp, Hans Peter H.; Schmidt, Torsten Claus:

Air-water transfer of MTBE, its degradation products, and alternative fuel oxygenates : the role of temperature

In: Environmental Science & Technology, Vol. 38 (2004), No. 20, pp. 5405 - 5412

2003article/chapter in journal

Schmidt, Torsten Claus; Kleinert, Peter; Stengel, Caroline; Goss, Kai-Uwe; Haderlein, Stefan B.:

Correction : Polar fuel constituents: compound identification and equilibrium partitioning between nonaqueous phase liquids and water

In: Environmental Science & Technology, Vol. 37 (2003), No. 4, p. 815

2003article/chapter in journal

Zwank, Luc; Berg, Michael; Schmidt, Torsten Claus; Haderlein, Stefan B.:

Compound-specific carbon isotope analysis of volatile organic compounds in the low-microgram per liter range

In: Analytical Chemistry, Vol. 75 (2003), No. 20, pp. 5575 - 5583

2003article/chapter in journal

Schmidt, Torsten Claus:

Analysis of methyl tert-butyl ether (MTBE) and tert-butyl alcohol (TBA) in ground and surface water

In: Trends in Analytical Chemistry (TrAC), Vol. 22 (2003), No. 10, pp. 776 - 784

2002article/chapter in journal

Zwank, L.; Schmidt, Torsten Claus; Haderlein, Stefan B.; Berg, M.:

Simultaneous determination of fuel oxygenates and BTEX using direct aqueous injection gas chromatography mass spectrometry (DAI-GC/MS)

In: Environmental Science & Technology, Vol. 36 (2002), No. 9, pp. 2054 - 2059

2002book article/chapter in collection

Schmidt, Torsten Claus; Morgenroth, Eberhard; Schirmer, Mario; Effenberger, Matthias; Haderlein, Stefan B.:

Use and occurrence of fuel oxygenates in Europe

In: Oxygenates in gasoline : environmental aspects / Diaz, Arthur F.; Drogos, Donna L. (Eds.). - Washington: American Chemical Society, 2002 - (ACS symposium series ; 799), pp. 58 - 79

2002article/chapter in journal

Schmidt, Torsten Claus; Kleinert, Peter; Stengel, Caroline; Goss, Kai-Uwe; Haderlein, Stefan B.:

Polar fuel constituents : Compound identification and partitioning between non-aqueous phase liquids and water

In: Environmental science & technology, Vol. 36 (2002), No. 19, pp. 4074 - 4080

2002article/chapter in journal

Schmidt, Torsten Claus; Kleinert, Peter; Stengel, Caroline; Goss, Kai-Uwe; Haderlein, Stefan B.:

Polar Fuel Constituents : Compound Identification and Equilibrium Partitioning between Nonaqueous Phase Liquids and Water

In: Environmental Science & Technology, Vol. 36 (2002), No. 19, pp. 4074 - 4080

2002article/chapter in journal

Pamme, Nicole; Steinbach, Klaus; Ensinger, Wolfgang J.; Schmidt, Torsten Claus:

Analysis of polynitrophenols and hexyl by liquid chromatography-mass spectrometry using atmospheric pressure ionisation methods and a volatile ion-pairing reagent

In: Journal of Chromatography A, Vol. 943 (2002), No. 1, pp. 47 - 54

2001article/chapter in journal

Schmidt, Torsten Claus; Duong, Hong-Anh; Berg, Michael; Haderlein, Stefan B.:

Analysis of fuel oxygenates in the environment

In: The Analyst / Royal Society of Chemistry (RSC) (Eds.). , Vol. 126 (2001), No. 3, pp. 405 - 413

2001article/chapter in journal

Acero, Juan L.; Haderlein, Stefan B.; Schmidt, Torsten Claus; Suter, Marc J. -F; von Gunten, Urs:

MTBE Oxidation by Conventional Ozonation and the Combination Ozone/Hydrogen Peroxide : Efficiency of the Processes and Bromate Formation

In: Environmental Science & Technology, Vol. 35 (2001), No. 21, pp. 4252 - 4259

2001book article/chapter in collection

Schmidt, Torsten Claus; Kleinert, Peter; Stengel, Caroline; Haderlein, Stefan B.:

Polar Fuel Constituents : Compound Identification and Partitioning between Nonaqueous-Phase Liquids and Water

In: Oxygenates in Gasoline - Washington, DC: American Chemical Society, 2001 - (ACS Symposium Series ; 799), pp. 281 - 287

2000article/chapter in journal

Schmidt, Torsten Claus; Butehorn, U.; Steinbach, Klaus; Kotke, R.; Bruns-Nagel, D.; Von Low, E.:

Use of the spectrometric sum parameter for aromatic amines in the monitoring of a former ammunition plant.

In: Acta Hydrochimica et Hydrobiologica, Vol. 28 (2000), No. 3, pp. 117 - 122

1999article/chapter in journal

Bruns-Nagel, Dirk; Schmidt, Torsten Claus; Drzyzga, Oliver; von Löw, Eberhard; Steinbach, Klaus:

Identification of oxidized TNT metabolites in soil samples of a former ammunition plant

In: Environmental Science and Pollution Research (ESPR), Vol. 6 (1999), No. 1, pp. 7 - 10

1999article/chapter in journal

Schmidt, Torsten Claus; Steinbach, Klaus; Buetehorn, Ulf; Heck, Kerstin; Volkwein, Ute; Stork, Gottfried:

Synthesis of reference substances for highly polar metabolites of nitroaromatic compounds

In: Chemosphere, Vol. 38 (1999), No. 13, pp. 3119 - 3130

1999article/chapter in journal

Schmidt, Torsten Claus; Leß, Melanie; Haas, Rainer; Löw, Eberhard V.; Steinbach, Klaus:

Determination of aromatic amines in ground and waste water by two new derivatization methods

In: International Journal of Environmental Analytical Chemistry, Vol. 74 (1999), No. 1-4, pp. 25 - 41

1998article/chapter in journal

Böhme, C.; Schmidt, Torsten Claus; von Löw, E.; Storck, G.:

Solid-phase extraction of aminobenzoic acids and aminotoluenesulfonic acids with graphitized carbon black

In: Fresenius' Journal of Analytical Chemistry, Vol. 360 (1998), No. 7-8, pp. 805 - 807

1998article/chapter in journal

Haas, Rainer; Schmidt, Torsten Claus; Steinbach, Klaus; von Löw, Eberhard:

Chromatographic determination of phenylarsenic compounds

In: Fresenius' Journal of Analytical Chemistry, Vol. 361 (1998), No. 3, pp. 313 - 318

1998article/chapter in journal

Haas, Rainer; Krippendorf, Alfred; Schmidt, Torsten Claus; Steinbach, Klaus; v. Löw, Eberhard:

Chemisch-analytische Untersuchung von Arsenkampfstoffen und ihren Metaboliten

In: Umweltwissenschaften und Schadstoff-Forschung : UWSF, Vol. 10 (1998), No. 5, pp. 289 - 293

1998article/chapter in journal

Schmidt, Torsten Claus; Haas, Rainer; von Löw, Eberhard; Steinbach, Klaus:

Derivatization of aromatic amines with bromine for improved gas chromatographic determination

In: Chromatographia : an international journal for rapid communication in chromatography, electrophoresis, and associated techniques, Vol. 48 (1998), No. 5-6, pp. 436 - 442

1998article/chapter in journal

Less, Melanie; Schmidt, Torsten Claus; von Löw, Eberhard; Stork, Gottfried:

Gas chromatographic determination of aromatic amines in water samples after solid-phase extraction and derivatization with iodine : II. Enrichment

In: Journal of Chromatography A, Vol. 810 (1998), No. 1-2, pp. 173 - 182

1998article/chapter in journal

Schmidt, Torsten Claus; Less, Melanie; Haas, Rainer; von Löw, Eberhard; Steinbach, Klaus; Stork, Gottfried:

Gas chromatographic determination of aromatic amines in water samples after solid-phase extraction and derivatization with iodine : I. Derivatization

In: Journal of Chromatography A, Vol. 810 (1998), No. 1-2, pp. 161 - 172

1998article/chapter in journal

Bruns-Nagel, Dirk; Drzyzga, Oliver; Steinbach, Klaus; Schmidt, Torsten Claus; von Löw, Eberhard; Gorontzy, Thomas; Blotevogel, Karl Heinz; Gemsa, Diethard:

Anaerobic/aerobic composting of 2,4,6-Trinitrotoluene- contaminated soil in a reactor system

In: Environmental Science & Technology, Vol. 32 (1998), No. 11, pp. 1676 - 1679

1998article/chapter in journal

Schmidt, Torsten Claus; Steinbach, Klaus; Von Löw, Eberhard; Stork, Gottfried:

Highly polar metabolites of nitroaromatic compounds in ammunition wastewater

In: Chemosphere, Vol. 37 (1998), No. 6, pp. 1079 - 1090

1997article/chapter in journal

Haas, Rainer; Schmidt, Torsten Claus; Steinbach, Klaus; von Löw, Eberhard:

Methoden zur chemisch-analytischen Untersuchung von aromatischen Aminen nach Derivatisierung

In: GWF : Wasser, Abwasser, Vol. 138 (1997), pp. 35 - 37

1997article/chapter in journal

Haas, Rainer; Schmidt, Torsten Claus:

Chemische Reaktionen von Phenylarsinverbindungen : 3. Reaktion von Phenyl-Arsen-Verbindungen mit Dithiolen

In: Umweltwissenschaften und Schadstoff-Forschung : UWSF, Vol. 9 (1997), No. 4, pp. 183 - 184

1997article/chapter in journal

Schmidt, Torsten Claus; Petersmann, M.; Kaminski, Lothar; von Löw, Eberhard; Stork, Gottfried:

Analysis of aminobenzoic acids in waste water from a former ammunition plant with HPLC and combined diode array and fluorescence detection

In: Fresenius' Journal of Analytical Chemistry, Vol. 357 (1997), No. 1, pp. 121 - 126

1997article/chapter in journal

Schmidt, Torsten Claus; Meinzer, Daniel; Kaminski, Lukasz; von Löw, Eberhard; Stork, Gottfried:

Post-column photochemical conversion of aromatic amines

In: Chromatographia : an international journal for rapid communication in chromatography, electrophoresis, and associated techniques, Vol. 46 (1997), No. 9-10, pp. 501 - 506

1997article/chapter in journal

Schmidt, Torsten Claus; Haas, Rainer; Steinbach, Klaus; Von Löw, Eberhard V.:

Derivatization of aromatic amines for analysis in ammunition wastewater I : Derivatization via bromination of the aromatic ring

In: Fresenius' Journal of Analytical Chemistry, Vol. 357 (1997), No. 7, pp. 909 - 914

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