Publications

  • Eissing A, Fischer D, Rauch I, Baumann A, Schebb NH, Karst U, Rose K, Klumpp S, Krieglstein J. . ‘Acetylcholine content and viability of cholinergic neurons are influenced by the activity of protein histidine phosphatase.’ BMC NEUROSCIENCE 13.
  • Terborg L, Nowak S, Passerini S, Winter M, Karst U, Haddad PR, Nesterenko PN. . ‘Ion chromatographic determination of hydrolysis products of hexafluorophosphate salts in aqueous solution.’ Analytica Chimica Acta 714: 121-126.
  • Telgmann L, Wehe CA, Birka M, Kunnemeyer J, Nowak S, Sperling M, Karst U. . Speciation and isotope dilution analysis of gadolinium-based contrast agents in wastewater.’ Environmental Science and Technology 46, No. 21: 11929-11936. doi: 10.1021/es301981z.
  • Melles D, Vielhaber T, Baumann A, Zazzeroni R, Karst U. . ‘Electrochemical oxidation and protein adduct formation of aniline: a liquid chromatography/mass spectrometry study.’ Analytical and Bioanalytical Chemistry 403, No. 2: 377-384.
  • Nowak S, Terborg L, Karst U, Passerini S, Winter M.Expanding the possibilities of gas chromatographic investigation for lithium ion batteries.’ contributed to the 4. Kraftwerk Batterie Fachtagung, Münster, Deutschland, .
  • Nowak S, Terborg L, Karst U, Passerini S, Winter M.INVESTIGATIONS ON IONIC LIQUIDS BY MEANS OF IC, IC/ICP-OES AND IC/ESI-MS.’ contributed to the 24th International Ion Chromatography Symposium, Berlin, Deutschland, .
  • Jahn S, Faber H, Zazzeroni R, Karst U. . ‘Electrochemistry/mass spectrometry as a tool in the investigation of the potent skin sensitizer p-phenylenediamine and its reactivity toward nucleophiles.’ Rapid Communications in Mass Spectrometry 26, No. 12: 1453-1464.
  • Bornhorst J, Ebert F, Lohren H, Humpf HU, Karst U, Schwerdtle T. . ‘Effects of manganese and arsenic species on the level of energy related nucleotides in human cells.’ Metallomics 4, No. 3: 297-306.
  • Jahn S, Karst U. . ‘Electrochemistry coupled to liquid chromatography/mass spectrometry - Current state and future perspectives.’ Journal of Chromatography A 1259: 16-49.
  • Jahn S, Faber H, Zazzeroni R, Karst U. . ‘Electrochemistry/liquid chromatography/mass spectrometry to demonstrate irreversible binding of the skin allergen p-phenylenediamine to proteins.’ Rapid Communications in Mass Spectrometry 26, No. 12: 1415-1425.
  • Simon H, Melles D, Jacquoilleot S, Sanderson P, Zazzeroni R, Karst U. . ‘Combination of Electrochemistry and Nuclear Magnetic Resonance Spectroscopy for Metabolism Studies.’ Analytical Chemistry 84, No. 20: 8777-8782.
  • Telgmann L, Wehe CA, Kunnemeyer J, Bulter AC, Sperling M, Karst U. . ‘Speciation of Gd-based MRI contrast agents and potential products of transmetalation with iron ions or parenteral iron supplements.’ Analytical and Bioanalytical Chemistry 404, No. 8: 2133-2141.
  • Jahn S, Seiwert B, Kretzing S, Abraham G, Regenthal R, Karst U. . ‘Metabolic studies of the Amaryllidaceous alkaloids galantamine and lycorine based on electrochemical simulation in addition to in vivo and in vitro models.’ Analytica Chimica Acta 756: 60-72.
  • Holtkamp M, Wehe CA, Blaske F, Holtschulte C, Sperling M, Karst U. . ‘Nitrogen purged TXRF for the quantification of silver and palladium.’ JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY 27: 1799-1802. doi: 10.1039/c2ja30117b.
  • Telgmann L, Faber H, Jahn S, Melles D, Simon H, Sperling M, Karst U. . ‘Identification and quantification of potential metabolites of Gd-based contrast agents by electrochemistry/separations/mass spectrometry.’ Journal of Chromatography A 1240: 147-155.
  • Albert A, Brauckmann C, Blaske F, Sperling M, Engelhard C, Karst U. . ‘Speciation analysis of the antirheumatic agent Auranofin and its thiol adducts by LC/ESI-MS and LC/ICP-MS.’ JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY 27, No. 6: 975-981.
  • Bornhorst J, Wehe CA, Huwel S, Karst U, Galla HJ, Schwerdtle T. . ‘Impact of Manganese on and Transfer across Blood-Brain and Blood-Cerebrospinal Fluid Barrier in Vitro.’ Journal of Biological Chemistry 287, No. 21: 17140-17151.
  • Jahn S, Lohmann W, Bomke S, Baumann A, Karst U. . ‘A ferrocene-based reagent for the conjugation and quantification of reactive metabolites.’ Analytical and Bioanalytical Chemistry 402, No. 1: 461-471.
  • Vogel M, Karst U. . ‘Electrochemistry-mass spectrometry: an emerging hyphenated technique for bioanalysis.’ Analytical and Bioanalytical Chemistry 403, No. 2: 333-334.
  • Nowak S, Terborg L, Karst U, Passerini S, Winter M.Investigation of decomposition products in the lithium ion battery electrolyte system.’ contributed to the 4. Kraftwerk Batterie Fachtagung, Münster, Deutschland, .
  • Faber H, Melles D, Brauckmann C, Wehe CA, Wentker K, Karst U. . ‘Simulation of the oxidative metabolism of diclofenac by electrochemistry-liquid chromatography-mass spectrometry.’ Analytical and Bioanalytical Chemistry 403, No. 2: 345-354.
  • Nowak S, Terborg L, Künnemeyer J, Karst U, Buscher W.Robustness Study of the Static High Sensitivity ICP (SHIP) for the Analysis of Samples containing Organic Solvents.’ contributed to the 6th Nordic Conference on Plasma Spectrochemistry, Loen, Norwegen, .
  • Jahn S., Karst U. . Electrochemistry coupled to (liquid chromatography/) mass spectrometry-Current state and future perspectives.’ Journal of Chromatography A 1259, No. null: 16-49. doi: 10.1016/j.chroma.2012.05.066.

  • Veldboer K, Schürmann T, Vogel M, Wiemhöfer H-D, Karst U. . Liquid chromatography/electrospray time-of-flight mass spectrometry for the characterisation of cyclic phosphazenes.’ Rapid Communications in Mass Spectrometry 25, No. 1: 147-154. doi: 10.1002/rcm.4837.
  • Wehe CA, Bornhorst J, Holtkamp M, Sperling M, Galla H-J, Schwerdtle T, Karst U. . Fast and low sample consuming quantification of manganese in cell nutrient solutions by flow injection ICP-QMS.’ Metallomics 3, No. 12: 1291-1296. doi: 10.1039/c1mt00170a.
  • Faber H, Jahn S, Künnemeyer J, Simon H, Melles D, Vogel M, Karst U. . ‘Electrochemistry/liquid chromatography/mass spectrometry as a tool in metabolism studies.Angewandte Chemie (International ed. in English) 50, No. 37: A52-8.
  • Janzen R, Schwarzer M, Sperling M, Vogel M, Schwerdtle T, Karst U. . ‘Adduct formation of Thimerosal with human and rat hemoglobin: a study using liquid chromatography coupled to electrospray time-of-flight mass spectrometry (LC/ESI-TOF-MS).Metallomics : integrated biometal science 3, No. 8: 847-52. doi: 10.1039/c1mt00043h.
  • Nowak S, Terborg L, Karst U, Passerini S, Winter M.Investigation of the decomposition products of lithium hexafluorophosphate by IC/ICP-OES and IC/ESI-MS.’ contributed to the 6. Conference über Ionenanalytik, Berlin, Deutschland, .
  • Nowak S, Terborg L, Blaske F, Karst U, Passerini S, Winter M.Speciation of Phosphorus Decomposition Products in a Lithium Ion Battery Electrolyte System.’ contributed to the TraceSpec 2011: 13th Workshop on Progress in Trace Metal Speciation for Environmental Analytical Chemistry, Pau, Frankreich, .
  • Nowak S, Terborg L, Karst U, Passerini S, Winter M.Speciation of Phosphorus-based Decomposition Products in a Lithium Ion Battery Electrolyte System.’ contributed to the GDCh-Wissenschaftsforum Chemie 2011, Bremen, Deutschland, .
  • Nowak S, Blaske F, Terborg L, Karst U, Passerini S, Winter M.Investigations of Decomposition Products in the Lithium Ion Battery Electrolyte System via IC/ICP-OES and IC/ESI-MS.’ contributed to the CANAS 2011, Leipzig, Deutschland, .
  • Terborg L, Nowak S, Passerini S, Winter M, Karst U, Haddad PR, Nesterenko PN. . ‘Ion Chromatographic Determination of Hydrolysis Products of Hexafluorophosphate Salts in Aqueous Solution.’ Analytica Chimica Acta 714: 121-126. doi: 10.1016/j.aca.2011.11.056.
  • Jahn S, Baumann A, Roscher J, Hense K, Zazzeroni R, Karst U. . ‘Investigation of the biotransformation pathway of verapamil using electrochemistry/liquid chromatography/mass spectrometry - A comparative study with liver cell microsomes.’ Journal of Chromatography A 1218, No. 51: 9210-9220.
  • Faust A, Baumann A, Law MP, Kuhlmann MT, Schafers M, Karst U, Kopka K. . ‘Structural Identification of radioactive metabolites via simulation of the oxidative metabolism by online electrochemistry-HPLC-MS.’ JOURNAL OF LABELLED COMPOUNDS & RADIOPHARMACEUTICALS 54, No. 1: S23.
  • Nowak S, Terborg L, Wagner HC, Karst U, Passerini S, Winter M.Development of new GC-MS and Headspace-GC-MS methods for quality control in lithium-ion batteries.’ contributed to the 44. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie, DGMS, Dortmund, Deutschland, .
  • Karst U. . ‘Of Science and Practicality.’ NACHRICHTEN AUS DER CHEMIE 59, No. 4: 486.
  • Heshe D, Hoogestraat S, Brauckmann C, Karst U, Boos J, Lanvers-Kaminsky C. . ‘Dichloroacetate metabolically targeted therapy defeats cytotoxicity of standard anticancer drugs.’ CANCER CHEMOTHERAPY AND PHARMACOLOGY 67, No. 3: 647-655.
  • Baumann A, Faust A, Law MP, Kuhlmann MT, Kopka K, Schafers M, Karst U. . ‘Metabolite Identification of a Radiotracer by Electrochemistry Coupled to Liquid Chromatography with Mass Spectrometric and Radioactivity Detection.’ Analytical Chemistry 83, No. 13: 5415-5421.
  • Veldboer K, Vielhaber T, Ahrens H, Hardes J, Streitburger A, Karst U. . ‘Determination of zoledronic acid in human urine and blood plasma using liquid chromatography/electrospray mass spectrometry.’ Journal of Chromatography B - Analytical Technologies in the Biomedical and Life Sciences 879, No. 22: 2073-2080.
  • Petroutsos D, Busch A, Janssen I, Trompelt K, Bergner SV, Weinl S, Holtkamp M, Karst U, Kudla J, Hippler M. . ‘The Chloroplast Calcium Sensor CAS Is Required for Photoacclimation in Chlamydomonas reinhardtii.’ Plant Cell 23, No. 8: 2950-2963. doi: 10.1105/tpc.111.087973.
  • Nowak S, Blaske F, Wehe CA, Krüger S, Karst U.Application of ICP-OES and ICP-MS for the analysis of silver nanoparticles in consumer products.’ contributed to the CANAS 2011, Leipzig, Deutschland, .
  • Bartel M, Leffers L, Schwarzer M, Nollen MC, Karst U, Schwerdtle T. . ‘Synthesis and analysis of new arsenic metabolites.’ In Monographs of the Society for Minerals and Trace Elements, edited by Windsch W. München: Herbert Utz Verlag. [In Press]
  • Nowak S, Terborg L, Karst U, Passerini S, Winter M.Alterungsuntersuchungen an Lithiumhexafluorophosphat mittels analytischer Methoden.’ präsentiert auf der 3. Kraftwerk Batterie Fachtagung, Aachen, Deutschland, .
  • Petroutsos D, Busch A, Janssen I, Trompelt K, Bergner SV, Weinl S, Holtkamp M, Karst U, Kudla J, Hippler M. . ‘THE CHLOROPLAST CALCIUM SENSOR CAS IS REQUIRED FOR PHOTOPROTECTION IN CHLAMYDOMONAS REINHARDTII.’ EUROPEAN JOURNAL OF PHYCOLOGY 46: 85. doi: 10.1080/09670262.2011.613190.
  • Nowak S, Blaske F, Wehe CA, Karst U.Quantification of silver nanoparticles in commercially available hygiene products by use of ICP-MS and ICP-OES.’ contributed to the 44. Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie, DGMS, Dortmund, Deutschland, .
  • Nowak S, Terborg L, Karst U, Passerini S, Winter M.GC-MS and Headspace Methods for Investigations of Electrolyte Systems in Lithium Ion Batteries.’ contributed to the GDCh-Wissenschaftsforum Chemie 2011, Bremen, Deutschland, .
  • Faber H, Jahn S, Kunnemeyer J, Simon H, Melles D, Vogel M, Karst U. . ‘Electrochemistry/Liquid Chromatography/Mass Spectrometry as a Tool in Metabolism Studies.’ ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 50, No. 37: A52-A58.
  • Telgmann L, Holtkamp M, Künnemeyer J, Gelhard C, Hartmann M, Klose A, Sperling M, Karst U. . ‘Simple and rapid quantification of gadolinium in urine and blood plasma samples by means of total reflection X-ray fluorescence (TXRF).’ Metallomics 30: 1766-1773.

  • Baumann A, Lohmann W, Rose T, Ahn KC, Hammock BD, Karst U, Schebb NH. . Electrochemistry-mass spectrometry unveils the formation of reactive triclocarban metabolites.’ Drug Metabolism and Disposition 38, No. 12: 2130-2138. doi: 10.1124/dmd.110.034546.
  • Odijk M, Baumann A, Olthuis W, van den Berg A, Karst U. . Electrochemistry-on-chip for on-line conversions in drug metabolism studies.’ Biosensors and Bioelectronics 26, No. 4: 1521-1527. doi: 10.1016/j.bios.2010.07.102.
  • Brautigam A, Bomke S, Pfeifer T, Karst U, Krauss GJ, Wesenberg D. . ‘Quantification of Phytochelatins in Chlamydomonas reinhardtii using ferrocene-based derivatization.’ METALLOMICS 2, No. 8: 565-570. doi: 10.1039/c005014h.
  • Bomke S, Pfeifer T, Meermann B, Buscher W, Karst U. . ‘Liquid chromatography with complementary electrospray and inductively coupled plasma mass spectrometric detection of ferrocene-labelled peptides and proteins.’ ANALYTICAL AND BIOANALYTICAL CHEMISTRY 397, No. 8: 3503-3513. doi: 10.1007/s00216-009-3123-z.
  • Bomke S, Sperling M, Karst U. . ‘Organometallic derivatizing agents in bioanalysis.Analytical and bioanalytical chemistry 397, No. 8: 3483-94. doi: 10.1007/s00216-010-3611-1.
  • Bettmer J, Karst U. . ‘Labelling of biopolymers: current status and future trends.’ ANALYTICAL AND BIOANALYTICAL CHEMISTRY 397, No. 8: 3431-3432. doi: 10.1007/s00216-010-3870-x.
  • Rauschenberg M., Bomke S., Karst U., Ravoo B.J. . ‘Dynamic Peptides as Biomimetic Carbohydrate Receptors.Angewandte Chemie - International Edition 49, No. 40: 7340-7345. doi: 10.1002/anie.201002847.
  • Lohmann W, Baumann A, Karst U. . ‘Electrochemistry and LC-MS for Metabolite Generation and Identification: Tools, Technologies, and Trends.’ LC GC NORTH AMERICA 28, No. 6: 470+.
  • Baumann A, Karst U. . ‘Online electrochemistry/mass spectrometry in drug metabolism studies: principles and applications.Expert opinion on drug metabolism & toxicology 6, No. 6: 715-31. doi: 10.1517/17425251003713527.
  • Siemerink M, Schebb NH, Liesener A, Perchuc AM, Schoni R, Wilmer M, Hayen H, Karst U, Vogel M. . ‘Development of a fast liquid chromatography/mass spectrometry screening method for angiotensin-converting enzyme (ACE) inhibitors in complex natural mixtures like snake venom.’ RAPID COMMUNICATIONS IN MASS SPECTROMETRY 24, No. 5: 687-697. doi: 10.1002/rcm.4428.
  • Baumann A, Lohmann W, Jahn S, Karst U. . ‘On-Line Electrochemistry/Electrospray Ionization Mass Spectrometry (EC/ESI-MS) for the Generation and Identification of Nucleotide Oxidation Products.’ ELECTROANALYSIS 22, No. 3: 286-292.
  • Lohmann W, Baumann A, Karst U. . ‘Electrochemistry and LC-MS for Metabolite Generation and Identification: Tools, Technologies and Trends.’ LC GC EUROPE 23, No. 1: 8+.
  • Lux SF, Nowak S, Terborg L, Holtkamp M, Krämer L, Rodehorst U, Gallasch TW, Meyer H, Karst U, Winter M. . ‘Application of LA-ICP-MS/LA-ICP-OES and ICP-OES for the determination of impurities in Li-Ion battery compounds.’ Contributed to the 218th ECS Meeting, Las Vegas, USA.
  • Meermann B, Moller I, Nowak S, Luftmann H, Karst U. . Iodine speciation using thin-layer chromatography coupled to inductively coupled plasma-mass spectrometry by means of an extraction device.’ Journal of Analytical Atomic Spectrometry 25, No. 10: 1654-1658. doi: 10.1039/c003512b.
  • Wilken A, Janzen R, Holtkamp M, Nowak S, Sperling M, Vogel M, Karst U. . Investigation of the interaction of Mercurochrome® constituents with proteins using liquid chromatography/mass spectrometry.’ Analytical and Bioanalytical Chemistry 397, No. 8: 3525-3532. doi: 10.1007/s00216-010-3842-1.

  • Odijk M, Baumann A, Lohmann W, van den Brink FTG, Olthuis W, Karst U, van den Berg A. . ‘A microfluidic chip for electrochemical conversions in drug metabolism studies.’ LAB ON A CHIP 9, No. 12: 1687-1693. doi: 10.1039/b822962g.
  • Schebb NH, Faber H, Maul R, Heus F, Kool J, Irth H, Karst U. . ‘Analysis of glutathione adducts of patulin by means of liquid chromatography (HPLC) with biochemical detection (BCD) and electrospray ionization tandem mass spectrometry (ESI-MS/MS).’ ANALYTICAL AND BIOANALYTICAL CHEMISTRY 394, No. 5: 1361-1373. doi: 10.1007/s00216-009-2765-1.
  • Karst U, Vogel M. . ‘Advances in analytical separations.’ ANALYTICAL AND BIOANALYTICAL CHEMISTRY 394, No. 5: 1253-1253. doi: 10.1007/s00216-009-2828-3.
  • Lohmann W, Karst U. . ‘Electrochemistry meets enzymes: instrumental on-line simulation of oxidative and conjugative metabolism reactions of toremifene.’ ANALYTICAL AND BIOANALYTICAL CHEMISTRY 394, No. 5: 1341-1348. doi: 10.1007/s00216-008-2586-7.
  • Kunnemeyer J, Terborg L, Meermann B, Brauckmann C, Moller I, Scheffer A, Karst U. . ‘Response to Comment on "Speciation Analysis of Gadolinium Chelates in Hospital Effluents and Wastewater Treatment Plant Sewage by a Novel HILIC/ICP-MS Method".’ ENVIRONMENTAL SCIENCE & TECHNOLOGY 43, No. 14: 5549-5550. doi: 10.1021/es901550c.
  • Schebb NH, Falck D, Faber H, Hein EM, Karst U, Hayen H. . ‘Fast method for monitoring phospholipase A2 activity by liquid chromatography-electrospray ionization mass spectrometry.Journal of chromatography. A 1216, No. 27: 5249-55. doi: 10.1016/j.chroma.2009.05.020.
  • Schebb NH, Vielhaber T, Jousset A, Karst U. . ‘Development of a liquid chromatography-based screening methodology for proteolytic enzyme activity.’ JOURNAL OF CHROMATOGRAPHY A 1216, No. 20: 4407-4415.
  • Kunnemeyer J, Terborg L, Meermann B, Brauckmann C, Scheffer IMA, Karst U. . ‘Speciation Analysis of Gadolinium Chelates in Hospital Effluents and Wastewater Treatment Plant Sewage by a Novel HILIC/ICP-MS Method.’ ENVIRONMENTAL SCIENCE & TECHNOLOGY 43, No. 8: 2884-2890.
  • Baumann A, Lohmann W, Schubert B, Oberacher H, Karst U. . ‘Metabolic studies of tetrazepam based on electrochemical simulation in comparison to in vivo and in vitro methods.’ JOURNAL OF CHROMATOGRAPHY A 1216, No. 15: 3192-3198. doi: 10.1016/j.chroma.2009.02.001.
  • Lohmann W, Dötzer R, Gütter G, Van Leeuwen SM, Karst U. . ‘On-Line Electrochemistry/Liquid Chromatography/Mass Spectrometry for the Simulation of Pesticide Metabolism.’ JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 20, No. 1: 138-145. doi: 10.1016/j.jasms.2008.09.003.
  • Trumpler S, Lohmann W, Meermann B, Buscher W, Sperling M, Karst U. . ‘Interaction of thimerosal with proteins-ethylmercury adduct formation of human serum albumin and beta-lactoglobulin A.’ METALLOMICS 1, No. 1: 87-91.
  • Bomke S, Seiwert B, Dudek L, Effkemann S, Karst U. . ‘Determination of biogenic amines in food samples using derivatization followed by liquid chromatography/mass spectrometry.’ ANALYTICAL AND BIOANALYTICAL CHEMISTRY 393, No. 1: 247-256.
  • Steinkamp T, Hayen H, Huskens J, Karst U. . ‘Lanthanide-induced hydrolysis of 4,7-diphenyl-1,10-phenanthroline-2,9-dicarboxylic acid esters.’ INORGANICA CHIMICA ACTA 362, No. 2: 421-425.
  • Trumpler S, Nowak S, Meermann B, Wiesmuller GA, Buscher W, Sperling M, Karst U. . Detoxification of mercury species-an in vitro study with antidotes in human whole blood.’ Analytical and Bioanalytical Chemistry 395, No. 6: 1929-1935. doi: 10.1007/s00216-009-3105-1.
  • Kunnemeyer J, Terborg L, Nowak S, Brauckmann C, Telgmann L, Albert A, Tokmak F, Kramer BK, Gunsel A, Wiesmuller GA, Karst U. . Quantification and excretion kinetics of a magnetic resonance imaging contrast agent by capillary electrophoresis-mass spectrometry.’ Electrophoresis 30, No. 10: 1766-1773. doi: 10.1002/elps.200800831.
  • Terborg L, Künnemeyer J, Telgmann L, Nowak S, Tokmak F, Karst U.Determination of the excretion kinetics of Gd-based MRT-contrast agents by means of HILIC/ICP-MS and CE/ESI-ToF-MS.’ contributed to the 118th BASF Summer Course, Ludwigshafen, Deutschland, .
  • Nowak S, Trümpler S, Meermann B, Wiesmüller GA, Buscher W, Sperling M, Karst U.Investigations of mercury interaction with human blood components by means of Static High Sensitivity ICP (SHIP).’ contributed to the TraceSpec, Mainz, Deutschland, .
  • Kunnemeyer J, Terborg L, Nowak S, Telgmann L, Tokmak F, Kramer BK, Gunsel A, Wiesmuller GA, Waldeck J, Bremer C, Karst U. . Analysis of the contrast agent Magnevist and its transmetalation products in blood plasma by capillary electrophoresis/electrospray ionization time-of-flight mass spectrometry.’ Analytical Chemistry 81, No. 9: 3600-3607. doi: 10.1021/ac8027118.

  • Thevis M, Lohmann W, Schrader Y, Kohler M, Bornatsch W, Karst U, Schänzer W. . ‘Use of an electrochemically synthesised metabolite of a selective androgen receptor modulator for mass spectrometry-based sports drug testing.’ EUROPEAN JOURNAL OF MASS SPECTROMETRY 14, No. 3: 163-170. doi: 10.1255/ejms.924.
  • Lohmann W, Karst U. . Biomimetic modeling of oxidative drug metabolism : SStrategies, advantages and limitations.’ Analytical and Bioanalytical Chemistry 391, No. 1: 79-96. doi: 10.1007/s00216-007-1794-x.
  • Revermann T, Gotz S, Kunnemeyer J, Karst U. . ‘Quantitative analysis by microchip capillary electrophoresis - current limitations and problem-solving strategies.’ ANALYST 133, No. 2: 167-174.
  • Veldboer K, Karatas Y, Vielhaber T, Karst U, Wiemhöfer HD. . ‘Cyclic Phosphazenes for the Surface Modification of Lanthanide Phosphate-based Nanoparticles.’ Zeitschrift für Anorganische und Allgemeine Chemie 634, No. 12-13: 2175-2180. doi: 10.1002/zaac.200800297.
  • Lohmann W, Meermann B, Möller I, Scheffer A, Karst U. . ‘Quantification of Electrochemically Generated Iodine-Containing Metabolites Using Inductively Coupled Plasma Mass Spectrometry.’ ANALYTICAL CHEMISTRY 80, No. 24: 9769-9775. doi: 10.1021/ac801878k.
  • Lohmann W, Hayen H, Karst U. . ‘Covalent Protein Modification by Reactive Drug Metabolites Using Online Electrochemistry/Liquid Chromatography/Mass Spectrometry.’ ANALYTICAL CHEMISTRY 80, No. 24: 9714-9719.
  • Schebb NH, Heus F, Saenger T, Karst U, Irth H, Kool J. . ‘Development of a countergradient parking system for gradient liquid chromatography with online biochemical detection of serine protease inhibitors.’ ANALYTICAL CHEMISTRY 80, No. 17: 6764-6772.
  • Meermann B, Bartel M, Scheffer A, Trumpler S, Karst U. . ‘Capillary electrophoresis with inductively coupled plasma-mass spectrometric and electrospray time of flight mass spectrometric detection for the determination of arsenic species in fish samples.’ ELECTROPHORESIS 29, No. 12: 2731-2737.
  • Karst U. . ‘Liquid chromatography-mass spectrometry: the long road from instrumental developments to applications.’ ANALYTICAL AND BIOANALYTICAL CHEMISTRY 391, No. 1: 7-8. doi: 10.1007/s00216-008-2028-6.
  • Engelhard C, Vielhaber T, Scheffer A, Brocksieper M, Buscher W, Karst U. . ‘Analysis of doped luminescent lanthanide fluoride nanoparticles by low gas flow inductively coupled plasma optical emission spectrometry.’ JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY 23, No. 3: 407-411.
  • Schebb NH, Fischer D, Hein EM, Hayen H, Krieglstein J, Klumpp S, Karst U. . ‘Fast sample preparation and liquid chromatography-tandem mass spectrometry method for assaying cell lysate acetylcholine.’ JOURNAL OF CHROMATOGRAPHY A 1183, No. 1-2: 100-107.
  • van Leeuwen SM, Tan B, Grijpma DW, Fejen J, Karst U. . ‘Characterization of synthetic block copolymers by LC-MS.’ AMERICAN LABORATORY 40, No. 3: 36+.
  • Seiwert B, Karst U. . ‘Ferrocene-based derivatization in analytical chemistry.Analytical and bioanalytical chemistry 390, No. 1: 181-200. doi: 10.1007/s00216-007-1639-7.
  • Seiwert B, Hayen H, Karst U. . ‘Differential labeling of free and disulfide-bound thiol functions in proteins.’ JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 19, No. 1: 1-7.
  • Schebb NH, Vogel M, Karst U, Kool J, Irth H. . „HPLC mit biochemischer Detektion (BCD).“ GIT Labor-Fachzeitschrift 52, No. 04/2008: 365-368.
  • Kunnemeyer J., Terborg L., Nowak S., Scheffer A., Telgmann L., Tokmak F., Gunsel A., Wiesmuller G., Reichelt S., Karst U. . Speciation analysis of gadolinium-based MRI contrast agents in blood plasma by hydrophilic interaction chromatography/electrospray mass spectrometry.’ Analytical Chemistry 80, No. 21: 8163-8170. doi: 10.1021/ac801264j.

  • Liesener A, Perchuc AM, Schoni R, Schebb NH, Wilmer M, Karst U. . ‘Screening of acetylcholinesterase inhibitors in snake venom by electrospray mass spectrometry.’ PURE AND APPLIED CHEMISTRY 79, No. 12: 2339-2349.
  • Götz S, Revermann T, Karst U. . Quantitative on-chip determination of taurine in energy and sports drinks.’ Lab on a Chip - Miniaturisation for Chemistry and Biology 7, No. 1: 93-97.
  • van Leeuwen SM, Tan BH, Grijpma DW, Fejen J, Karst U. . ‘Characterization of the chemical composition of a block copolymer by liquid chromatography/mass spectrometry using atmospheric pressure chemical ionization and electrospray ionization.’ RAPID COMMUNICATIONS IN MASS SPECTROMETRY 21, No. 16: 2629-2637.
  • Karst U. . Wilfried M.A. Niessen: Liquid chromatography-mass spectrometry (Third edition).’ Analytical and Bioanalytical Chemistry 389, No. 5: 1303-1304. doi: 10.1007/s00216-007-1580-9.
  • Seiwert B, Karst U. . Analysis of cysteine-containing proteins using precolumn derivatization with N-(2-ferroceneethyl)maleimide and liquid chromatography/electrochemistry/ mass spectrometry.’ Analytical and Bioanalytical Chemistry 388, No. 8: 1633-1642. doi: 10.1007/s00216-007-1260-9.
  • Seiwert B, Karst U. . ‘Simultaneous LC/MS/MS determination of thiols and disulfides in urine samples based on differential labeling with ferrocene-based maleimides.’ ANALYTICAL CHEMISTRY 79, No. 18: 7131-7138. doi: 10.1021/ac071016b.
  • Lohmann W, Karst U. . ‘Generation and identification of reactive metabolites by electrochemistry and immobilized enzymes coupled on-line to liquid chromatography/mass spectrometry.’ ANALYTICAL CHEMISTRY 79, No. 17: 6831-6839. doi: 10.1021/ac071100r.
  • Revermann T, Gotz S, Karst U. . ‘Quantitative analysis of thiols in consumer products on a microfluidic CE chip with fluorescence detection.’ ELECTROPHORESIS 28, No. 7: 1154-1160.
  • Vogel M, Karst U. . „From the test to the mass spectrometer / Aus der Probe ins Massenspektrometer.“ NACHRICHTEN AUS DER CHEMIE 55, No. 4: 420-424.
  • Gotz S, Karst U. . ‘Wavelength-resolved fluorescence detector for microchip capillary electrophoresis separations.’ SENSORS AND ACTUATORS B-CHEMICAL 123, No. 1: 622-627.
  • Gotz S, Karst U. . ‘Recent developments in optical detection methods for microchip separations.’ ANALYTICAL AND BIOANALYTICAL CHEMISTRY 387, No. 1: 183-192.
  • Henneken H, Vogel M, Karst U. . ‘Determination of airborne isocyanates.’ ANALYTICAL AND BIOANALYTICAL CHEMISTRY 387, No. 1: 219-236.
  • Vogel M, Scheffer A, Liesener A, Karst U. . ‘Laser desorption assays - MALDI-MS, DIOS-MS and SAMDI-MS.’ In Mass Spectrometry in Medicinal Chemistry, edited by Wanner K, Höfner G, 285-301. Weinheim: Wiley-VCH. doi: 10.1002/9783527610907.ch8.
  • Vogel M., Karst U. . From the trial into the mass spectrometer - New ionization techniques.“ Nachrichten aus der Chemie 55, No. 4: 420-424.

  • Grobe J, Karst A, Krebs B, Läge M, Würthwein E-U. . Cycloarsanes (AsCF3)n (n = 4, 5) - Precursors for the highly reactive diarsene F3CAs=AsCF3.’ Zeitschrift fur Anorganische und Allgemeine Chemie 632, No. 4: 599-608.
  • Henneken H, Vogel M, Karst U. . Effects of humidity and filter material on diffusive sampling of isocyanates using reagent-coated filters.’ Journal of Environmental Monitoring 8, No. 10: 1014-1019. doi: 10.1039/b607658k.
  • Schulte-Ladbeck R, Edelmann A, Quintas G, Lendl B, Karst U. . ‘Determination of peroxide-based explosives using liquid chromatography with on-line infrared detection.’ ANALYTICAL CHEMISTRY 78, No. 23: 8150-8155.
  • Lohmann W, Karst U. . ‘Simulation of the detoxification of paracetamol using on-line electrochemistry/liquid chromatography/mass spectrometry.’ ANALYTICAL AND BIOANALYTICAL CHEMISTRY 386, No. 6: 1701-1708. doi: 10.1007/s00216-006-0801-y.
  • Henneken H, Hayen H, Vogel M, Karst U. . ‘Validation of a diffusive sampling method for airborne low-molecular isocyanates using 4-nitro-7-piperazinobenzo-2-oxa-1,3-diazole-impregnated filters and liquid chromatography-tandem mass spectrometry.’ JOURNAL OF CHROMATOGRAPHY A 1134, No. 1-2: 112-121.
  • Schulte-Ladbeck R, Vogel M, Karst U. . ‘Recent methods for the determination of peroxide-based explosives.’ ANALYTICAL AND BIOANALYTICAL CHEMISTRY 386, No. 3: 559-565. doi: 10.1007/s00216-006-0579-y.
  • Henneken H, Assink L, de Wit J, Vogel M, Karst U. . ‘Passive sampling of airborne peroxyacetic acid.’ ANALYTICAL CHEMISTRY 78, No. 18: 6547-6555.
  • Karst U. . ‘Where the worlds of nanotechnology, materials science, and bioanalysis converge.’ ANALYTICAL AND BIOANALYTICAL CHEMISTRY 384, No. 3: 559-559. doi: 10.1007/s00216-005-0262-8.
  • Haselberg R, Hempen C, van Leeuwen SM, Vogel M, Karst U. . ‘Analysis of microperoxidases using liquid chromatography, post-column substrate conversion and fluorescence detection.’ JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND L 830, No. 1: 47-53.
  • Hempen C, Karst U. . ‘Labeling strategies for bioassays.’ Analytical and Bioanalytical Chemistry 384: 572-583.
  • Bos SJ, Van Leeuwen SM, Karst U. . ‘From fundamentals to applications: recent developments of atmospheric pressure photoionization mass spectrometry.’ Analytical and Bioanalytical Chemistry 384, No. 1: 85-99. doi: 10.1007/s00216-005-0046-1.
  • Karst U, Liesener A, Vogel M. . „Kontrolle von Bioassays durch Massenspektrometrie.“ LaborPraxis 11: 22-24.
  • Götz S, Scheffer A, Vogel M, Karst U. . ‘A pleading for chromatography.’ G.I.T. Laboratory Journal 6: 22-23.
  • Schoon A, Götz S, Heuven M, Vogel M, Karst U. . ‘Training and testing explosive detection dogs in detecting TATP.’ Forensic Sci. Commun. 2006, No. 8.
  • Hempen C., Gläsle-Schwarz L., Kunz U., Karst U. . Determination of telmisartan in human blood plasma: Part II: Liquid chromatography-tandem mass spectrometry method development, comparison to immunoassay and pharmacokinetic study.’ Analytica Chimica Acta 560, No. null: 41-49. doi: 10.1016/j.aca.2005.12.035.
  • Hempen C., Gläsle-Schwarz L., Kunz U., Karst U. . Determination of telmisartan in human blood plasma: Part I: Immunoassay development.’ Analytica Chimica Acta 560, No. null: 35-40. doi: 10.1016/j.aca.2005.12.036.

  • Liesener A, Karst U. . ‘Assessing protease activity pattern by means of multiple substrate ESI-MS assays.’ ANALYST 130, No. 6: 850-854. doi: 10.1039/b502008e.
  • Hempen C, van Leeuwen S, Luftmann H, Karst U. . ‘Liquid chromatographic/mass spectrometric investigation on the reaction products in the peroxidase-catalyzed oxidation of o-phenylenediamine by hydrogen peroxide.’ ANALYTICAL AND BIOANALYTICAL CHEMISTRY 382, No. 1: 234-238. doi: 10.1007/s00216-005-3178-4.
  • Falvey P, Lim CW, Darcy R, Revermann T, Karst U, Giesbers M, Marcelis ATM, Lazar A, Coleman AW, Reinhoudt DN, Ravoo BJ. . ‘Bilayer vesicles of amphiphilic cyclodextrins: Host membranes that recognize guest molecules.’ CHEMISTRY-A EUROPEAN JOURNAL 11, No. 4: 1171-1180. doi: 10.1002/chem.200400905.
  • Karst U. . ‘Liquid chromatography/electron capture-atmospheric pressure chemical ionization mass spectrometry.’ Analytical and Bioanalytical Chemistry 382, No. 8: 1744-1746. doi: 10.1007/s00216-005-3328-8.
  • Van Leeuwen SM, Blankert B, Kauffmann JM, Karst U. . ‘Prediction of clozapine metabolism by on-line electrochemistry/liquid chromatography/mass spectrometry.’ Analytical and Bioanalytical Chemistry 382: 742-750. doi: 10.1007/s00216-005-3053-3.
  • Blankert B, Hayen H, Van Leeuwen SM, Karst U, Bodoki E, Lotrean S, Sandulescu R, Mora Diaz N, Dominguez O, Arcos J, Kauffmann JM. . ‘Electrochemical, chemical and enzymatic oxidations of phenothiazines.’ Electroanalysis 2005, No. 17: 1501-1510. doi: 10.1002/elan.200403253.
  • Brivio M, Liesener A, Oosterbroek RE, Verboom W, Karst U, van den Berg A, Reinhoudt DN. . ‘Chip-based on-line nanospray MS method enabling study of the kinetics of isocyanate derivatization reactions.’ Analytical Chemistry 77, No. 21: 6852-6856. doi: 10.1021/ac050817g.
  • Liesener A, Perchuc AM, Schöni R, Wilmer M, Karst U. . ‘Screening for proteolytic activities in snake venom by means of a multiplexing electrospray ionization mass spectrometry assay scheme.’ Rapid Communications in Mass Spectrometry 19: 2923-2928. doi: 10.1002/rcm.2136.

  • Vogel M, Buldt A, Karst U. . ‘Hydrazine reagents as derivatizing agents in environmental analysis - a critical review.’ FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY 366, No. 8: 781-791. doi: 10.1007/s002160051572.
  • Kempter C, Potter W, Binding N, Klaning H, Witting U, Karst U. . ‘Tailor-made derivatizing agents for carbonyl compounds using liquid chromatography.’ ANALYTICA CHIMICA ACTA 410, No. 1-2: 47-64.
  • Karst U. . ‘ANAKON '99: A preview of tomorrow's Analytical Chemistry.’ FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY 366, No. 4: 323-323. doi: 10.1007/s002160050064.
  • Zurek G, Karst U. . ‘2,4-dinitro-3,5,6-trideuterophenylhydrazones for the quantitation of aldehydes and ketones in air samples by liquid chromatography-mass spectrometry.’ JOURNAL OF CHROMATOGRAPHY A 869, No. 1-2: 251-259.