Publications
- Rivas Aiello, M.B., Kirse, T. M., Lavorato, G.C., et al. . “Superparamagnetic Nanoparticles with Phosphorescent Complexes as Hybrid Contrast Agents: Integration of MRI and PLIM.” SMALL SCIENCE, № 2024 doi: 10.1002/smsc.202300145.
- Lefringhausen, N, Erbacher, C, Elinkmann, M, Karst, U, and Müller, J. . “Contiguous Silver(I)-Mediated Base Pairs of Imidazophenanthroline and Canonical Nucleobases in DNA Duplexes: Formation of Classical Duplexes versus Homodimer Formation.” Bioconjugate Chemistry, № 35: 99–106. doi: 10.1021/acs.bioconjchem.3c00494.
- Sommer, K, Becker, T, von Bremen-Kühne, M, et al. . “Analysis of the elemental species-dependent uptake of lanthanide complexes in Arabidopsis thaliana plants by LA-ICP-MS.” Chemosphere, № 338: 139534–139534. doi: 10.1016/j.chemosphere.2023.139534.
- Kubot, M, Balke, L, Scholz, J, et al. . “High-Voltage Instability of Vinylene Carbonate (VC): Impact of Formed Poly-VC on Interphases and Toxicity.” Advanced Science, № 11 (1) 2305282. doi: 10.1002/advs.202305282.
- Göldner, Valentin, Speitling, Michael, and Karst, Uwe. . “Elucidation of the environmental reductive metabolism of the herbicide tritosulfuron assisted by electrochemistry and mass spectrometry.” Chemosphere, № 330 138687. doi: 10.1016/j.chemosphere.2023.138687.
- Wagener, Felicitas, Naumann, Nana, Göldner, Valentin, et al. . “Comparison of in vitro approaches for predicting the metabolism of the selective androgen receptor modulator RAD140.” Analytical and Bioanalytical Chemistry, № 415 (23): 5657 –5669. doi: 10.1007/s00216-023-04835-z.
- Göldner, Valentin, Quach, Linda, Adhitama, Egy, et al. . “Laser desorption/ionization-mass spectrometry for the analysis of interphases in lithium ion batteries.” iScience, № 26 (9) 107517. doi: 10.1016/j.isci.2023.107517.
- Potęga, Agnieszka, Göldner, Valentin, Niehaves, Erik, Paluszkiewicz, Ewa, and Karst, Uwe. . “Electrochemistry/mass spectrometry (EC/MS) for fast generation and identification of novel reactive metabolites of two unsymmetrical bisacridines with anticancer activity.” Journal of Pharmaceutical and Biomedical Analysis, № 235 115607. doi: 10.1016/j.jpba.2023.115607.
- Lefringhausen, N, Seiffert, V, Erbacher, C, Karst, U, and Müller, J. . “Chiral-at-Metal Silver-Mediated Base Pairs: Metal-Centred Chirality versus DNA Helical Chirality.” Chemistry - A European Journal, № 29 e202202630. doi: 10.1002/chem.202202630.
- von Bremen-Kühne, Maximilian, Ahmadi, Hassan, Sperling, Michael, Krämer, Ute, and Karst, Uwe. . “Elemental bioimaging of Zn and Cd in leaves of hyperaccumulator Arabidopsis halleri using laser ablation-inductively coupled plasma-mass spectrometry and referencing strategies.” Chemosphere, № 305 135267. doi: 10.1016/j.chemosphere.2022.135267.
- Sommer, Karolin, Sperling, Michael, and Karst, Uwe. . “Species-dependent interaction of Gd-based contrast agents with humic substances.” Chemosphere, № 300 134528. doi: 10.1016/j.chemosphere.2022.134528.
- Fingerhut, Stefanie, Rebecca, Buchholz, Bücker, Patrick, et al. . “Gadolinium retention in the tunica media of arterial walls—a complementary study using elemental bioimaging and immunogold staining.” Metallomics, № 14 (6) mfac029. doi: 10.1093/mtomcs/mfac029.
- Brungs, Corinna, Schmid, Robin, Wolf, Carina, et al. . “Tattoo Pigment Identification in Inks and Skin Biopsies of Adverse Reactions by Complementary Elemental and Molecular Bioimaging with Mass Spectral Library Matching.” Analytical Chemistry, № 94 (8): 3581–3589. doi: 10.1021/acs.analchem.1c04922.
- Seiffert, Svenja B., Vennemann, Antje, Nordhorn, Ilona D., and Kröger, Sabrina Wiemann Martin Karst Uwe. . “LA-ICP-MS and Immunohistochemical Staining with Lanthanide-Labeled Antibodies to Study the Uptake of CeO2 Nanoparticles by Macrophages in Tissue Sections.” Chemical Research in Toxicology, № 35 (6): 981–991. doi: 10.1021/acs.chemrestox.1c00433.
- Funke, SKI, Factor, C, Rasschaert, M, Lezius, L, Sperling, MKarst U, and Robert, P. . “Long-term Gadolinium Retention in the Healthy Rat Brain: Comparison between Gadopiclenol, Gadobutrol, and Gadodiamide.” Radiology, № 305 (1): 179–189. doi: 10.1148/radiol.212600.
- Bücker, P, Buzzi, RM, Akeret, K, et al. . “A model to visualize the fate of iron after intracranial hemorrhage using isotopic tracers and elemental bioimaging.” Metallomics, № 14 (8) mfac057. doi: 10.1093/mtomcs/mfac057.
- Kader, A, Kaufmann, JO, Mangarova, DB, et al. . “Iron Oxide Nanoparticles for Visualization of Prostate Cancer in MRI.” Cancers, № 14 (12) 2909. doi: 10.3390/cancers14122909.
- Gerwing, M., Hoffmann, E., Kronenberg, K., et al. . “Multiparametric MRI enables for differentiation of different degrees of malignancy in two murine models of breast cancer.” Frontiers in Oncology, № 12 1000036. doi: 10.3389/fonc.2022.1000036.
- Göldner, V, Fangmeyer, J, and Karst, U. . “Development of an electrochemical flow-through cell for the fast and easy generation of isotopically labeled metabolite standards.” Drug Testing and Analysis, № 14 (2): 262–268. doi: 10.1002/dta.3175.
- Bücker, P, Funke, SKI, Factor, C, et al. . “Combined speciation analysis and elemental bioimaging provide new insight into gadolinium retention in kidney.” Metallomics, № 14 (3): mfac004. doi: 10.1093/mtomcs/mfac004.
- Buchholz, R, Krossa, S, Andersen, MK, et al. . “A simple preparation protocol for shipping and storage of tissue sections for laser ablation-inductively coupled plasma-mass spectrometry imaging.” Metallomics, № 14 (3): mfac013. doi: 10.1093/mtomcs/mfac013.
- Reifschneider, O, Blaske, F, Vennemann, A, et al. . “Quantitative elemental bioimaging: an antibody-based double-labelling method to quantify the cell-specific distribution of silver nanoparticles in lung tissue sections.” Journal of Analytical Atomic Spectrometry, № 37: 1084–1089. doi: 10.1039/d1ja00466b.
- Schwarz, C, Buchholz, R, Jawad, M, et al. . “Fingerprints of Element Concentrations in Infective Endocarditis Obtained by Mass Spectrometric Imaging and t-Distributed Stochastic Neighbor Embedding.” ACS Infectious Diseases, № 8 (2): 360–372. doi: 10.1021/acsinfecdis.1c00485.
- Erbacher, C, Flothkötter, N, Macke, M, et al. . “A fast and automated separation and quantification method for bromine speciation analyzing bromide and 5-bromo-2’-deoxyuridine in enzymatically digested DNA samples via IC-ICP-MS.” Journal of Chromatography A, № 1652: 462370. doi: 10.1016/j.chroma.2021.462370.
- Chira, R., Fangmeyer, J., Neaga, I.O., et al. . “Simulation of the oxidative metabolization pattern of netupitant, an NK1 receptor antagonist, by electrochemistry coupled to mass spectrometry.” Journal of Pharmaceutical Analysis, № 11 (5): 661–666. doi: 10.1016/j.jpha.2021.03.011.
- Goeldner, V., Fangmeyer, J., and Karst, U. . “Development of an electrochemical flow-through cell for the fast and easy generation of isotopically labeled metabolite standards.” Drug Testing and Analysis, № 14 (2): 262-268. doi: 10.1002/dta.3175.
- Bücker, P, Richter, H, Radbruch, A, et al. . “Deposition patterns of iatrogenic lanthanum and gadolinium in the human body depend on delivered chemical binding forms.” Journal of Trace Elements in Medicine and Biology, № 63 (126665) doi: 10.1016/j.jtemb.2020.126665.
- Kader, A, Brangsch, J, Reimann, C, et al. . “Visualization and Quantification of the Extracellular Matrix in Prostate Cancer Using an Elastin Specific Molecular Probe.” Biology -Basel, № 10 (11): 1217. doi: 10.3390/biology10111217.
- Richter, H, Bücker, P, Martin, LF, et al. . “Gadolinium Tissue Distribution in a Large-Animal Model after a Single Dose of Gadolinium-based Contrast Agents.” Radiology, № 301 (3): 637–642. doi: 10.1148/radiol.2021210553.
- Funke, SKI, Sperling, M, and Karst, U. . “Weighted Linear Regression Improves Accuracy of Quantitative Elemental Bioimaging by Means of LA-ICP-MS.” Analytical Chemistry, № 93 (47): 15720–15727. doi: 10.1021/acs.analchem.1c03630.
- Macke, M, Quarles, CD, Sperling, M, and Karst, U. . “Fast and Automated Monitoringh of Gadolinium-based Contrast Agents in Surface Waters.” Water Research, № 207 (117836) doi: 10.1016/j.watres.2021.117836.
- Will, JM, Behrens, A, Macke, M, Quarles, CD, and Karst, U. . “Automated Chiral Analysis of Amino Acids Based on Chiral Derivatization and Trapped Ion Mobility-Mass Spectrometry.” Analytical Chemistry, № 93 (2): 878–885. doi: 10.1021/acs.analchem.0c03481.
- von der, AuM, Karbach, H, Bell, AM, Bauer, OB, Karst, U, and Meermann, B. . “Determination of metal uptake in single organisms, Corophium volutator, via complementary electrothermal vaporization/inductively coupled plasma mass spectrometry and laser ablation/inductively coupled plasma mass spectrometry.” Rapid Communications in Mass Spectrometry, № 35 (2) doi: 10.1002/rcm.8953.
- Helmer, PO, Nordhorn, ID, Korf, A, et al. . “Complementing Matrix-Assisted Laser Desorption Ionization-Mass Spectrometry Imaging with Chromatography Data for Improved Assignment of Isobaric and Isomeric Phospholipids Utilizing Trapped Ion Mobility-Mass Spectrometry.” Analytical Chemistry, № 93 (4): 2135–2143. doi: 10.1021/acs.analchem.0c03942.
- Collettini, F, Reimann, C, Brangsch, J, et al. . “Elastin-specific MRI of extracellular matrix-remodelling following hepatic radiofrequency-ablation in a VX2 liver tumor model.” Scientific Reports, № 11 (1) doi: 10.1038/s41598-021-86417-6.
- Horstmann, M., de Vega, R.G., Bishop, D.P., Karst, U., Doble, P.A., and Clases, D. . “Determination of gadolinium MRI contrast agents in fresh and oceanic waters of Australia employing micro-solid phase extraction, HILIC-ICP-MS and bandpass mass filtering.” Journal of Analytical Atomic Spectrometry, № 36 (4): 767–775.
- Adams, L.C., Brangsch, J., Kaufmann, J.O., et al. . “Effect of Doxycycline on Survival in Abdominal Aortic Aneurysms in a Mouse Model.” Contrast Media and Molecular Imaging, № 2021 doi: 10.1155/2021/9999847.
- Adams, L.C.Brangsch J., Reimann, C., Kaufmann, J.O., et al. . “Noninvasive imaging of vascular permeability to predict the risk of rupture in abdominal aortic aneurysms using an albumin-binding probe (vol 10, 3231.” Scientific Reports, № 11 (1) doi: 10.1038/s41598-021-89153-z.
- Adams, L.C., Brangsch, J., Reimann, C., et al. . “Simultaneous molecular MRI of extracellular matrix collagen and inflammatory activity to predict abdominal aortic aneurysm rupture (vol 10, 15206, 2020).” Scientific Reports, № 11 (1) doi: 10.1038/s41598-021-89154-y.
- Nordhorn, I., Dietrich, D., Verlemann, C., et al. . “Spatially and size-resolved analysis of gold nanoparticles in rat spleen after intratracheal instillation by laser ablation-inductively coupled plasma-mass spectrometry.” Metallomics, № 13 (6) doi: 10.1093/mtomcs/mfab028.
- R., Schmid, D., Petras, L.F., Nothias, et al. . “Ion identity molecular networking for mass spectrometry-based metabolomics in the GNPS environment.” Nature Communications, № 12 (1) doi: 10.1038/s41467-021-23953-9.
- Wellenberg, A., Weides, L., Kurzke, J., et al. . “Use of C. elegans as a 3R-compliant in vivo model for the chemoprevention of cisplatin-induced neurotoxicity.” Experimental Neurology, № 341 (113705) doi: 10.1016/j.expneurol.2021.113705.
- Platte, S., Korff, M., Imberg, L., et al. . “Microscale Parallel Synthesis of Acylated Aminotriazoles Enabling the Development of Factor XIIa and Thrombin Inhibitors.” ChemMedChem, № 16 (24): 3672–3690. doi: 10.1002/cmdc.202100431.
- Schlatt, L., Köhrer, A., Factor, C., et al. . “Mild Dissolution/Recomplexation Strategy for Speciation Analysis of Gadolinium from MR Contrast Agents in Bone Tissues by Means of HPLC-ICP-MS.” Analytical Chemistry, № 93 (33): 11398–11405. doi: 10.1021/acs.analchem.1c01100.
- Funke, S.K.I., Brückel, V.A., Weber, M., et al. . “Plug-and-play laser ablation-mass spectrometry for molecular imaging by means of dielectric barrier discharge ionization.” Analytica Chimica Acta, № 1177 doi: 10.1016/j.aca.2021.338770.
- Korzhenko, O., Führer, P., Göldner, V., Olthuis, W., Odijk, M., and Karst, U. . “Microfluidic Electrochemistry Meets Trapped Ion Mobility Spectrometry and High-Resolution Mass Spectrometry-In Situ Generation, Separation, and Detection of Isomeric Conjugates of Paracetamol and Ethoxyquin.” Analytical Chemistry, № 93 (37): 12740–12747. doi: 10.1021/acs.analchem.1c02791.
- Schachel, TD, Stork, A, Schulte-Ladbeck, R, Vielhaber, T, and Karst, U. . “Identification and Differentiation of Commercial and Military Explosives via High Performance Liquid Chromatography – High Resolution Mass Spectrometry (HPLC-HRMS), X-Ray Diffractometry (XRD) and X-Ray Fluorescence spectroscopy (XRF): Towards a Forensic Substance Database on Explosives.” Forensic Science International, № 308: 110180. doi: 10.1016/j.forsciint.2020.110180.
- F, Lohöfer, R, Buchholz, A, Glinzer, et al. . “Mass Spectrometry Imaging of atherosclerosis-affine Gadofluorine following Magnetic Resonance Imaging.” Scientific Reports, № 10: 79. doi: 10.1038/s41598-019-57075-6.
- Richter, H, Bücker, P, Dunker, C, Karst, U, and Kircher, PR. . “Gadolinium deposition in the brain of dogs after multiple intravenous administrations of linear gadolinium based contrast agents.” PloS one, № 15 (2): e0227649. doi: 10.1371/journal.pone.0227649.
- El-Hamrani, D, Vives, V, Buchholz, R, et al. . “Effect of Long-Term Retention of Gadolinium on Metabolism of Deep Cerebellar Nuclei After Repeated Injection of Gadolinium in Rats.” Investigative Radiology, № 55 (2): 120–128. doi: 10.1097/RLI.0000000000000621.
- Lützen, E, Holtkamp, M, Stamme, I, et al. . “Multimodal imaging of hallucinogens 25C- and 25I-NBOMe on blotter papers.” Drug Testing and Analysis, № 12: 465–471. doi: 10.1002/dta.2751.
- Sperling, M, von Bremen-Kühne, M, Funke, S, Schlatt, L, and Karst, U. . “Analysis of rare-earth metals and their species.” in Rare Earth Chemistry, edited by Rainer Pöttgen, Thomas Jüstel and Cristian A. Strassert. Berlin: De Gruyter. doi: 10.1515/9783110654929-016.
- Fangmeyer, J, Scheeren, SG, Schmid, R, and Karst, U. . “Fast Online Separation and Identification of Electrochemically Generated Isomeric Oxidation Products by Trapped Ion Mobility-Mass Spectrometry.” Analytical Chemistry, № 92 (1): 1205–1210. doi: 10.1021/acs.analchem.9b04337.
- Andersen, MK, Krossa, S, Hoiem, TS, et al. . “Simultaneous Detection of Zinc and Its Pathway Metabolites Using MALDI MS Imaging of Prostate Tissue.” Analytical Chemistry, № 92 (4): 3171–3179. doi: 10.1021/acs.analchem.9b04903.
- Adams, LC, Brangsch, J, Reimann, C, et al. . “Noninvasive imaging of vascular permeability to predict the risk of rupture in abdominal aortic aneurysms using an album-inbinding probe.” Scientific Reports, № 10 (1): 3231. doi: 10.1038/s41598-020-59842-2.
- Böckelmann, L, Starzonek, C, Niehoff, AC, et al. . “Detection of doxorubicin, cisplatin and therapeutic antibodies in formalin-fixed paraffin-embedded human cancer cells.” Histochemistry and Cell Biology, № 153 (5): 367–377. doi: 10.1007/s00418-020-01857-x.
- Nadar, RA, Farbod, K, Codee-, van der Schilden K, et al. . “Targeting of radioactive platinum-bisphosphonate anticancer drugs to bone of high metabolic activity.” Scientific Reports, № 10 (1): 5889. doi: 10.1038/s41598-020-62039-2.
- Beil, SB, Breiner, M, Schulz, L, et al. . “About the selectivity and reactivity of active nickelelectrodes in C–C coupling reactions.” RSC Advances, № 10 (24): 14249–14253. doi: 10.1039/d0ra02673e.
- Chira, R, Fangmeyer, J, Zaharia, V, Karst, U, Bodoki, E, and Oprean, R. . “Electrochemically Simulated Oxidative Metabolization Pattern of Neurokinin-1 Antagonist Aprepitant.” Journal of The Electrochemical Society, № 167 (8): 085502. doi: 10.1149/1945-7111/ab927a.
- Schlatt, L, Costa, ACC, Barz, V, Ciarimboli, G, and Karst, U. . “Fast simultaneous quantification of gabapentin and cetirizine in cell lysates by means of HPLC-MS/MS.” Journal of Pharmaceutical and Biomedical Analysis, № 184: 113172. doi: 10.1016/j.jpba.2020.113172.
- Nadar, RA, Asokan, N, Degli, Esposti L, et al. . “Preclinical evaluation of platinum-loaded hydroxyapatite nanoparticles in an embryonic zebrafish xenograft model.” Nanoscale, № 12 (25): 13582–13594. doi: 10.1039/d0nr04064a.
- Mangarova, DB, Brangsch, J, Mohtashamdolatshahi, A, et al. . “Ex vivo magnetic particle imaging of vascular inflammation in abdominal aortic aneurysm in a murine model.” Scientific Reports, № 10 (1): 12410. doi: 10.1038/s41598-020-69299-y.
- Radbruch, A, Richter, H, Bücker, P, et al. . “Is Small Fiber Neuropathy Induced by Gadolinium-Based Contrast Agents?” Investigative Radiology, № 55 (8): 473–480. doi: 10.1097/RLI.0000000000000677.
- Helmer, PO, Behrens, A, Rudt, E, Karst, U, and Hayen, H. . “Hydroperoxylated vs Dihydroxylated Lipids: Differentiation of Isomeric Cardiolipin Oxidation Products by Multidimensional Separation Techniques.” Analytical Chemistry, № 92 (17): 12010–12016. doi: 10.1021/acs.analchem.0c02605.
- Quarles, CD, Macke, M, Michalke, B, et al. . “LC-ICP-MS method for the determination of "extractable copper" in serum.” Metallomics, № 12 (9): 1348–1355. doi: 10.1039/d0mt00132e.
- Fangmeyer, J, Behrens, A, Gleede, B, Waldvogel, SR, and Karst, U. . “Mass-Spectrometric Imaging of Electrode Surfaces-a View on Electrochemical Side Reactions.” Angewandte Chemie International Edition, № 59 (46): 20428–20433. doi: 10.1002/anie.202010134.
- Adams, LC, Brangsxch J, Reimann C, Kaufmann JO, Bucholz R, Karst U, Botnar RM, and Hamm B, Makowski MR. . “Simultaneous molecular MRI of extracellular matrix collagen and inflammatory activity to predict abdominal aortic aneurysm rupture.” Scientific Reports, № 10 (1): 15206. doi: 10.1038/s41598-020-71817-x.
- Will, JM, Erbacher, C, Sperling, M, and Karst, U. . “A mass spectrometry-based approach gives new insight into organotin–protein interactions.” Metallomics, № 12 (11): 1701–1712. doi: 10.1039/d0mt00171f.
- Henschel, J, Mense, M, Harte, P, et al. . “Phytoremediation of soil contaminated with lithium ion battery active materials – A proof of concept study.” Recycling, № 5 (4) (Special Issue: Recycling of Lithium Ion Batteries and Other Next Generation Materials): 26. doi: 10.3390/recycling5040026.
- Richter-Brockmann, S, Garbert, K, von Bremen-Kühne, M, et al. . “Elemental bioimaging of Na distribution in roots of Arabidopsis thaliana using laser ablation-ICP-MS under cold plasma conditions.” Journal of Analytical Atomic Spectrometry, № 35 (9): 2057–2063. doi: 10.1039/D0JA00151A.
- Vosse, C, Thyssen, G, Sperling, M, Karst, U, and Hayen, H. . “Complementary approach for analysis of phospholipids by liquid chromatography hyphenated to elemental and molecular mass spectrometry.” Analytical Science Advances, № 1: 46–55. doi: 10.1002/ansa.20190009.
- Reifschneider, O, Vennemann, A, Buzanich, G, et al. . “Revealing Silver Nanoparticle Uptake by Macrophages using SR-µXRF and LA-ICP-MS.” Chemical Research in Toxicology, № 33 (5): 1250–1255. doi: 10.1021/acs.chemrestox.9b00507.
- Korff, M, Imberg, L, Will, JM, et al. . “Acylated 1H-1,2,4-Triazol-5-amines Targeting Human Coagulation Factor XIIa and Thrombin: Conventional and Microscale Synthesis, Anticoagulant Properties, and Mechanism of Action.” Journal of Medicinal Chemistry, № 63 (21): 13159–13186. doi: 10.1021/acs.jmedchem.0c01635.
- Brangsch, J, Reimann, C, Kaufmann, JO, et al. . “Molecular MR-Imaging for Noninvasive Quantification of the Anti-Inflammatory Effect of Targeting Interleukin-1 beta in a Mouse Model of Aortic Aneurysm.” Molecular Imaging, № 19 doi: 10.1177/1536012120961875.
- Keller, S, Borde, T, Brangsch, J, et al. . “Assessment of the hepatic tumor extracellular matrix using elastin-specific molecular magnetic resonance imaging in an experimental rabbit cancer model.” Scientific Reports, № 10 (1) doi: 10.1038/s41598-020-77624-8.
- Raman, SP, Keil, C, Dieringer, P, et al. . “Alginate aerogels carrying calcium, zinc and silver cations for wound care: Fabrication and metal detection.” Journal of Supercritical Fluids, № 153: 104545. doi: 10.1016/j.superflu.2019.104545.
- Brangsch, J, Reimann, C, Kaufmann, JO, et al. . “Concurrent Molecular Magnetic Resonance Imaging of Inflammatory Activity and Extracellular Matrix Degradation for the Prediction of Aneurysm Rupture.” CIRCULATION-CARDIOVASCULAR IMAGING, № 12 (3): e008707. doi: 10.1161/CIRCIMAGING.118.008707.
- Masthoff, M, Buchholz, R, Beuker, A, et al. . “Introducing specificity to iron oxide nanoparticles imaging by combining 57Fe-based MRI and mass spectrometry.” Nano Letters, № 19 (11): 7908–7917. doi: 10.1016/j.devcel.2019.01.006.
- Guttmann, S, Dewald, ET, Wohlfarth, C, et al. . “Compound-specific adaptation of hepatoma cell lines to toxic iron.” Metallomics, № 11 (11): 1836–1846. doi: 10.1039/c9mt00202b.
- van der, Bent S AS, Berg, T, Karst, U, Sperling, M, and Rustemeyer, T. . “Allergic reaction to a green tattoo with nickel as a possible allergen.” Contact Dermatitis, № 81 (1): 64–66. doi: 10.1111/cod.13226.
- Radbruch, A, Richter, H, Fingerhut, S, et al. . “Gadolinium Deposition in the Brain in a Large Animal Model: Comparison of Linear and Macrocyclic Gadolinium-Based Contrast Agents.” Investigative Radiology, № 54 (9): 531–536. doi: 10.1097/RLI.0000000000000575.
- D, Frenzel, C, Köppen, OB, Bauer, et al. . “Effects of Single Nucleotide Polymorphism Ala270Ser (rs316019) on the Function and Regulation of hOCT2.” Biomolecules, № 9 (10): 578. doi: 10.3390/biom9100578.
- Hucke, A, Rinschen, MM, Bauer, OB, et al. . “An integrative approach to cisplatin chronic toxicities in mice reveals importance of organic cation-transporter-dependent protein networks for renoprotection.” Archives of Toxicology, № 93 (10): 2835–2848. doi: 10.1007/s00204-019-02557-9.
- Crone, B, Schlatt, L, Nadar, RA, et al. . “Quantitative imaging of platinum-based antitumor complexes in bone tissue samples using LA-ICP-MS.” Journal of Trace Elements in Medicine and Biology, № 54: 98–102. doi: 10.1016/j.jtemb.2019.04.011.
- Clases, D, Fingerhut, S, Jeibmann, A, Sperling, M, Doble, P, and Karst, U. . “LA-ICP-MS/MS improves limits of detection in elemental bioimaging of gadolinium deposition originating from MRI contrast agents in skin and brain tissues.” Journal of Trace Elements in Medicine and Biology, № 51: 212–218. doi: 10.1016/j.jtemb.2018.10.021.
- Kroeger, S, Sperling, M, and Karst, U. . “Quantitative dried blood spot analysis for metallodrugs by laser ablation inductively coupled plasma-mass spectrometry.” Journal of Trace Elements in Medicine and Biology, № 51: 50–56. doi: 10.1016/j.jtemb.2018.09.009.
- Einer, C, Leitzinger, C, Lichtmannegger, J, et al. . “A High-Calorie Diet Aggravates Mitochondrial Dysfunction and Triggers Severe Liver Damage in Wilson Disease Rats.” Cellular and molecular gastroenterology and hepatology (CMGH), № 7 (3): 571–596. doi: 10.1016/j.jcmgh.2018.12.005.
- Wellenberg, A, Weides, L, Bornhorst, J, et al. . “Molecular and electrophysiological analysis of platinum-induced neurotoxicity using the model organism C. elegans.” Naunyn-Schmiedeberg's Archives of Pharmacology, № 392 (1): S63.
- Bauer, OB, Hachmoeller, O, Borovinskaya, O, et al. . “LA-ICP-TOF-MS for rapid, all-elemental and quantitative bioimaging, isotopic analysis and the investigation of plasma processes.” Journal of Analytical Atomic Spectrometry, № 34 (4): 694–701. doi: 10.1039/c8ja00288f.
- Mueller, J, Berg, T, Enders, C, Leonhard, P, and Karst, U. . “Spatially resolved analysis of liquid crystal displays by laser ablation-atmospheric pressure chemical ionization-mass spectrometry.” Analytica Chimica Acta, № 1055: 56–64. doi: 10.1016/j.aca.2018.12.048.
- Gratz, R, Manishankar, P, Ivanov, R, et al. . “CIPK11-Dependent Phosphorylation Modulates FIT Activity to Promote Arabidopsis Iron Acquisition in Response to Calcium Signaling.” Developmental Cell doi: 10.1016/j.devcel.2019.01.006.
- Masthoff, M, Buchholz, R, Beuker, A, et al. . “Introducing specificity to iron oxide nanoparticle imaging by combining 57Fe-based MRI and mass spectrometry.” Nano Letters, № 19 (11): 7908–7917. doi: 10.1021/acs.nanolett.9b03016.
- Thyssen, G., Keil, C., Wolff, M., et al. . “Bioimaging of the elemental distribution in cocoa beans by means of LA-ICP-TQMS.” Journal of Analytical Atomic Spectrometry, № 33 (2): 187–194. doi: 10.1039/c7ja00354d.
- Fingerhut, S., Niehoff, A., Sperling, M., et al. . “Spatially resolved quantification of gadolinium deposited in the brain of a patient treated with gadolinium-based contrast agents.” Journal of Trace Elements in Medicine and Biology, № 45 (null): 125–130. doi: 10.1016/j.jtemb.2017.10.004.
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- Mueller, J, Lichtmannegger, J, Zischka, H, Sperling, M, and Karst, U. . “High spatial resolution LA-ICP-MS demonstrates massive liver copper depletion in Wilson disease rats upon Methanobactin treatment.” Journal of Trace Elements in Medicine and Biology, № 49: 119–127. doi: 10.1016/j.jtemb.2018.05.009.
- Strohmidel, P, Sperling, M, and Karst, U. . “Investigations on the binding of ethylmercury from thiomersal to proteins in influenza vaccines.” Journal of Trace Elements in Medicine and Biology, № 50: 100–104. doi: 10.1016/j.jtemb.2018.06.011.
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- Pelivan, K, Frensemeier, LM, Karst, U, et al. . “Comparison of metabolic pathways of different alpha-N-heterocyclic thiosemicarbazones.” Analytical and Bioanalytical Chemistry, № 410 (9): 2343–2361. doi: 10.1007/s00216-018-0889-x.
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- Berry, JL, Day, DA, Elseberg, T, et al. . “Laser Ablation-Aerosol Mass Spectrometry-Chemical Ionization Mass Spectrometry for Ambient Surface Imaging.” Analytical Chemistry, № 90 (6): 4046–4053. doi: 10.1021/acs.analchem.7b05255.
- Frensemeier, LM, Mayr, J, Koellensperger, G, Keppler, BK, Kowol, CR, and Karst, U. . “Structure elucidation and quantification of the reduction products of anticancer Pt(iv) prodrugs by electrochemistry/mass spectrometry (EC-MS).” Analyst, № 143 (9): 1997–2001. doi: 10.1039/c8an00258d.
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- Bauer, OB, Koeppen, C, Sperling, M, Schurek, H, Ciarimboli, G, and Karst, U. . “Quantitative Bioimaging of Platinum via Online Isotope Dilution Laser Ablation-Inductively Coupled Plasma Mass Spectrometry.” Analytical Chemistry, № 90 (11): 7033–7039. doi: 10.1021/acs.analchem.8b01429.
- Brokinkel, B, Kroeger, S, Senner, V, Jeibmann, A, Karst, U, and Stummer, W. . “Visualizing protoporphyrin IX formation in the dura tail of meningiomas by mass spectrometry imaging.” Acta Neurochirurgica, № 160 (7): 1433–1437. doi: 10.1007/s00701-018-3488-x.
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- Sperling, M, and Karst, U. . “Advances in speciation techniques and methodology.” TrAC - Trends in Analytical Chemistry, № 104 (SI): 1–3. doi: 10.1016/j.trac.2018.04.006.
- Grossgarten, M, Holzlechner, M, Vennemann, A, et al. . “Phosphonate coating of SiO2 nanoparticles abrogates inflammatory effects and local changes of the lipid composition in the rat lung: a complementary bioimaging study.” Particle and Fibre Toxicology, № 15 doi: 10.1186/s12989-018-0267-z.
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- Fuchs, J, Aghaei, M, Schachel, TD, Sperling, M, Bogaerts, A, and Karst, U. . “Impact of the Particle Diameter on Ion Cloud Formation from Gold Nanoparticles in ICPMS.” Analytical Chemistry, № 90 (17): 10271–10278. doi: 10.1021/acs.analchem.8b02007.
- Aengenheister, L, Dietrich, D, Sadeghpour, A, et al. . “Gold nanoparticle distribution in advanced in vitro and ex vivo human placental barrier models.” Journal of Nanobiotechnology, № 16 doi: 10.1186/s12951-018-0406-6.
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- Mueller-Bomke, S, Sperling, M, Hayen, H, and Karst, U. . “Biolabeling with cobaltocinium tags.” Zeitschrift für Naturforschung B - A Journal of Chemical Sciences, № 73 (11, SI): 781–791. doi: 10.1515/znb-2018-0093.
- Traeger, L, Gallitz, I, Sekhri, R, et al. . “ALK3 undergoes ligand-independent homodimerization and BMP-induced heterodimerization with ALK2.” Free Radical Biology and Medicine, № 129: 127–137. doi: 10.1016/j.freeradbiomed.2018.09.021.
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- Hensel, S, Eckey, K, Scharf, P, Megger, N, Karst, U, and Müller, J. . “Excess Electron Transfer through DNA Duplexes Comprising a Metal-Mediated Base Pair.” Chemistry - A European Journal, № 23: 10244–10248. doi: 10.1002/chem.201702241.
- Frensemeier, LM, Büter, L, Vogel, M, and Karst, U. . “Investigation of the oxidative transformation of roxarsone by electrochemistry coupled to hydrophilic interaction liquid chromatography/mass spectrometry.” Journal of Analytical Atomic Spectrometry, № 32 (1): 153–161. doi: 10.1039/c6ja00277c.
- Clases, D., Birka, M., Sperling, M., Faust, A., and Karst, U. . “Isobaric dilution analysis as a calibration tool for long lived radionuclides in ICP-MS.” Journal of Trace Elements in Medicine and Biology, № 40 (null): 97–103. doi: 10.1016/j.jtemb.2017.01.002.
- Wiemann, M., Vennemann, A., Blaske, F., Sperling, M., and Karst, U. . “Silver nanoparticles in the lung: Toxic effects and focal accumulation of silver in remote organs.” Nanomaterials, № 7 (12) doi: 10.3390/nano7120441.
- Groba, S., Guttmann, S., Niemietz, C., et al. . “Downregulation of hepatic multi-drug resistance protein 1 (MDR1) after copper exposure.” Metallomics, № 9 (9): 1279–1287. doi: 10.1039/c7mt00189d.
- Pelivan, K., Frensemeier, L., Karst, U., et al. . “Understanding the metabolism of the anticancer drug Triapine: Electrochemical oxidation, microsomal incubation and: In vivo analysis using LC-HRMS.” Analyst, № 142 (17): 3165–3176. doi: 10.1039/c7an00902j.
- Mahmoud, N., Alkilany, A., Dietrich, D., Karst, U., Al-Bakri, A., and Khalil, E. . “Preferential accumulation of gold nanorods into human skin hair follicles: Effect of nanoparticle surface chemistry.” Journal of Colloid and Interface Science, № 503 (null): 95–102. doi: 10.1016/j.jcis.2017.05.011.
- Dierkes, T., Seidel, S., Benndorf, C., et al. . “Mixed europium valence in Eu0.937Ba8[BN2]6 – Structure and spectroscopic behavior.” Solid State Sciences, № 70 (null): 86–92. doi: 10.1016/j.solidstatesciences.2017.06.002.
- Hachmöller, O., Aichler, M., Schwamborn, K., et al. . “Investigating the influence of standard staining procedures on the copper distribution and concentration in Wilson's disease liver samples by laser ablation-inductively coupled plasma-mass spectrometry.” Journal of Trace Elements in Medicine and Biology, № 44 (null): 71–75. doi: 10.1016/j.jtemb.2017.06.002.
- Willach, S., Lutze, H., Eckey, K., et al. . “Degradation of sulfamethoxazole using ozone and chlorine dioxide - Compound-specific stable isotope analysis, transformation product analysis and mechanistic aspects.” Water Research, № 122 (null): 280–289. doi: 10.1016/j.watres.2017.06.001.
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- Vásquez-Céspedes, S., Holtkamp, M., Karst, U., and Glorius, F. . “Reusable and Magnetic Palladium and Copper Oxide Catalysts in Direct ortho and meta Arylation of Anilide Derivatives.” SYNLETT, № 28 (null): 2754–2759. doi: 10.1055/s-0036-1589007.
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- Muoth, C., Großgarten, M., Karst, U., et al. . “Impact of particle size and surface modification on gold nanoparticle penetration into human placental microtissues.” Nanomedicine: Nanotechnology, Biology and Medicine, № 12 (10): 1119–1133. doi: 10.2217/nnm-2017-0428.
- Aschner, M., Palinski, C., Sperling, M., Karst, U., Schwerdtle, T., and Bornhorst, J. . “Imaging metals in: Caenorhabditis elegans.” Metallomics, № 9 (4): 357–364. doi: 10.1039/c6mt00265j.
- Wigger, T., Seidel, A., and Karst, U. . “Electrochemistry coupled to (LC-)MS for the simulation of oxidative biotransformation reactions of PAHs.” Chemosphere, № 176 (null): 202–211. doi: 10.1016/j.chemosphere.2017.02.128.
- Csepanyi, E., Szabados-Furjesi, P., Kiss-Szikszai, A., et al. . “Antioxidant properties and oxidative transformation of different chromone derivatives.” Molecules, № 22 (4) doi: 10.3390/molecules22040588.
- Thyssen, GM; Holtkamp, M; Kaulfürst-Soboll, H; Wehe, CA; Sperling, M; von Schaewen, A; Karst, U. . “Elemental bioimaging by means of LA-ICP-OES: investigation of the calcium, sodium and potassium distribution in tobacco plant stems and leaf petioles.” Metallomics, № 9 (6): 587–804. doi: 10.1039/c7mt00003k.
- Büter, L, Frensemeier, LM, Vogel, M, and Karst, U. . “Dual reductive/oxidative electrochemistry/liquid chromatography/mass spectrometry: Towards peptide and protein modification, separation and identification.” Journal of Chromatography A, № 1479: 153–160. doi: 10.1016/j.chroma.2016.12.008.
- Roscher, J, Vogel, M, and Karst, U. . “Identification of ultraviolet transformation products of diclofenac by means of liquid chromatography and mass spectrometry.” Journal of Chromatography A, № 1457: 59–65. doi: 10.1016/j.chroma.2016.06.027.
- Niehoff, A., Schulz, J., Soltwisch, J., et al. . “Imaging by Elemental and Molecular Mass Spectrometry Reveals the Uptake of an Arsenolipid in the Brain of Drosophila melanogaster.” Analytical Chemistry, № 88 (10): 5258–5263. doi: 10.1021/acs.analchem.6b00333.
- Fittschen, U, Zorba, V, Igne, B, et al. . “Spectroscopy in Real-World Applications: Current Trends in XRF, LIBS, NIR, QCLs, FT-IR, ICP-MS, and Raman.” Spectroscopy, № 31 (8): 8.
- Niehoff, A., Grünebaum, J., Moosmann, A., et al. . “Quantitative bioimaging of platinum group elements in tumor spheroids.” Analytica Chimica Acta, № 938 (null): 106–113. doi: 10.1016/j.aca.2016.07.021.
- Bishop, D., Clases, D., Fryer, F., et al. . “Elemental bio-imaging using laser ablation-triple quadrupole-ICP-MS.” Journal of Analytical Atomic Spectrometry, № 31 (1): 197–202. doi: 10.1039/c5ja00293a.
- Simon, H., Hoffmann, G., Hübner, F., Humpf, H., and Karst, U. . “Electrochemical simulation of metabolic reactions of the secondary fungal metabolites alternariol and alternariol methyl ether.” Analytical and Bioanalytical Chemistry, № null (null): 1–13. doi: 10.1007/s00216-016-9344-z.
- Birka, M., Wehe, C., Hachmöller, O., Sperling, M., and Karst, U. . “Tracing gadolinium-based contrast agents from surface water to drinking water by means of speciation analysis.” Journal of Chromatography A, № 1440 (null): 105–111. doi: 10.1016/j.chroma.2016.02.050.
- Birka, M., Roscher, J., Holtkamp, M., Sperling, M., and Karst, U. . “Investigating the stability of gadolinium based contrast agents towards UV radiation.” Water Research, № 91 (null): 244–250. doi: 10.1016/j.watres.2016.01.012.
- Hogeback, J., Schwarzer, M., Wehe, C., Sperling, M., and Karst, U. . “Investigating the adduct formation of organic mercury species with carbonic anhydrase and hemoglobin from human red blood cell hemolysate by means of LC/ESI-TOF-MS and LC/ICP-MS.” Metallomics, № 8 (1): 101–107. doi: 10.1039/c5mt00186b.
- Birka, M., Wehe, C., Telgmann, L., Sperling, M., and Karst, U. . “ICPMS for environmental and bioimaging research.” Spectroscopy (Santa Monica), № 31 (1): 36–37.
- Hachmöller, O., Aichler, M., Schwamborn, K., et al. . “Element bioimaging of liver needle biopsy specimens from patients with Wilson's disease by laser ablation-inductively coupled plasma-mass spectrometry.” Journal of Trace Elements in Medicine and Biology, № 35 (null): 97–102. doi: 10.1016/j.jtemb.2016.02.001.
- Wiese, C., Große, Maestrup E., Galla, F., et al. . “Comparison of in Silico, Electrochemical, in Vitro and in Vivo Metabolism of a Homologous Series of (Radio)fluorinated σ1Receptor Ligands Designed for Positron Emission Tomography.” ChemMedChem, № 11 (21): 2445–2458. doi: 10.1002/cmdc.201600366.
- Hachmöller, O., Buzanich, A., Aichler, M., et al. . “Elemental bioimaging and speciation analysis for the investigation of Wilson's disease using μxRF and XANES.” Metallomics, № 8 (7): 648–653. doi: 10.1039/c6mt00001k.
- Hogeback, J, Schwarzer, M, Wehe, CA, Sperling, M, and Karst, U. . “Investigating the adduct formation of organic mercury species with carbonic anhydrase and hemoglobin from human red blood cell hemolysate by means of LC/ESI-TOF-MS and LC/ICP-MS.” Metallomics, № 8 (1): 101–107. doi: 10.1039/c5mt00186b.
- Hachmöller, O, Aichler, M, Schwamborn, K, et al. . “Element bioimaging of liver needle biopsy specimens from patients with Wilson's disease by laser ablation-inductively coupled plasma-mass spectrometry.” Journal of Trace Elements in Medicine and Biology, № 35: 97–102. doi: 10.1016/j.jtemb.2016.02.001.
- Lagojda, A, Kuehne, D, Krug, O, et al. . “Identification of selected in vitro-generated phase-I metabolites of the steroidal selective androgen receptor modulator MK-0773 for doping control purposes.” European Journal of Mass Spectrometry, № 22 (2): 49–59. doi: 10.1255/ejms.1415.
- van den, Brink F TG, Wigger, T, Ma, LW, et al. . “Oxidation and adduct formation of xenobiotics in a microfluidic electrochemical cell with boron doped diamond electrodes and an integrated passive gradient rotation mixer.” Lab on a Chip, № 16 (20): 3990–4001. doi: 10.1039/c6lc00708b.
- Simon, H, Hoffmann, G, Hubner, F, Humpf, HU, and Karst, U. . “Electrochemical simulation of metabolic reactions of the secondary fungal metabolites alternariol and alternariol methyl ether.” Analytical and Bioanalytical Chemistry, № 408 (10): 2471–2483.
- Niehoff, AC, Wachsmuth, L, Schmid, F, Sperling, M, Faber, C, and Karst, U. . “Quantification of Manganese Enhanced Magnetic Resonance Imaging based on Spatially Resolved Elemental Mass Spectrometry.” Chemistryselect, № 1 (2): 264–266. doi: 10.1002/slct.201600058.
- Van Den, Brink F., Büter, L., Odijk, M., Olthuis, W., Karst, U., and Van Den, Berg A. . “Mass spectrometric detection of short-lived drug metabolites generated in an electrochemical microfluidic chip.” Analytical Chemistry, № 87 (3): 1527–1535. doi: 10.1021/ac503384e.
- Steingrobe, T., Niehoff, A., Franze, B., et al. . “Laser ablation low-flow ICP-MS for elemental bioimaging.” Journal of Analytical Atomic Spectrometry, № 30 (10): 2120–2124. doi: 10.1039/c5ja00199d.
- Crone, B., Aschner, M., Schwerdtle, T., Karst, U., and Bornhorst, J. . “Elemental bioimaging of Cisplatin in Caenorhabditis elegans by LA-ICP-MS.” Metallomics, № 7 (7): 1189–1195. doi: 10.1039/c5mt00096c.
- Bischoff, R., and Karst, U. . “Electrochemistry-mass spectrometry: Fundamentals and applications in pharmaceutical and environmental sciences.” TrAC - Trends in Analytical Chemistry, № 70 (null): 3. doi: 10.1016/j.trac.2015.04.008.
- Büter, L., Faber, H., Wigger, T., Vogel, M., and Karst, U. . “Differential Protein Labeling Based on Electrochemically Generated Reactive Intermediates.” Analytical Chemistry, № 87 (19): 9931–9938. doi: 10.1021/acs.analchem.5b02497.
- Ricciardi, R., Huskens, J., Holtkamp, M., Karst, U., and Verboom, W. . “Dendrimer-encapsulated palladium nanoparticles for continuous-flow Suzuki-Miyaura cross-coupling reactions.” ChemCatChem, № 7 (6): 936–942. doi: 10.1002/cctc.201500017.
- Römpp, A., and Karst, U. . “Current trends in mass spectrometry imaging mass spectrometry imaging.” Analytical and Bioanalytical Chemistry, № 407 (8): 2023–2025. doi: 10.1007/s00216-015-8479-7.
- Thevis, M., Lagojda, A., Kuehne, D., et al. . “Characterization of a non-approved selective androgen receptor modulator drug candidate sold via the Internet and identification of in vitro generated phase-I metabolites for human sports drug testing.” Rapid Communications in Mass Spectrometry, № 29 (11): 991–999. doi: 10.1002/rcm.7189.
- Büter, L., Vogel, M., and Karst, U. . “Adduct formation of electrochemically generated reactive intermediates with biomolecules.” TrAC - Trends in Analytical Chemistry, № 70 (null): 74–91. doi: 10.1016/j.trac.2015.03.009.
- Köppen, C., Reifschneider, O., Castanheira, I., Sperling, M., Karst, U., and Ciarimboli, G. . “Quantitative imaging of platinum based on laser ablation-inductively coupled plasma-mass spectrometry to investigate toxic side effects of cisplatin.” Metallomics, № 7 (12): 1595–1603. doi: 10.1039/c5mt00226e.
- Niehoff, A., Bauer, O., Kröger, S., et al. . “Quantitative Bioimaging to Investigate the Uptake of Mercury Species in Drosophila melanogaster.” Analytical Chemistry, № 87 (20): 10392–10396. doi: 10.1021/acs.analchem.5b02500.
- Mak, C., Wehe, C., Sperling, M., and Karst, U. . “Identification and quantification of electrochemically generated metabolites of thyroxine by means of liquid chromatography/electrospray-mass spectrometry and countergradient liquid chromatography/inductively coupled plasma-mass spectrometry.” Journal of Chromatography A, № 1419 (null): 81–88. doi: 10.1016/j.chroma.2015.09.076.
- Wehe, C., Thyssen, G., Herdering, C., et al. . “Elemental Bioimaging by Means of Fast Scanning Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry.” Journal of The American Society for Mass Spectrometry, № 26 (8): 1274–1282. doi: 10.1007/s13361-015-1141-y.
- Birka, M., Wentker, K., Lusmöller, E., et al. . “Diagnosis of Nephrogenic Systemic Fibrosis by means of Elemental Bioimaging and Speciation Analysis.” Analytical Chemistry, № 87 (6): 3321–3328. doi: 10.1021/ac504488k.
- Karst, U., and Sperling, M. . “2015 European Winter Conference on Plasma Spectrochemistry.” Journal of Analytical Atomic Spectrometry, № 30 (10): 2035–2037. doi: 10.1039/c5ja90044a.
- Niehaus, R, Sperling, M, and Karst, U. . “Study on aerosol characteristics and fractionation effects of organic standard materials for bioimaging by means of LA-ICP-MS.” Journal of Analytical Atomic Spectrometry, № 30 (10): 2056–2065. doi: 10.1039/C5JA00221D.
- Nowak, S, Karst, U, and Buscher, W. . “Low gas flow inductively coupled plasma optical emission spectrometry for the analysis of food and body fluids samples.” contributed to the European Winter Conference on Plasma Spectrochemistry - EWCPS 2015, Münster
- Nowak, S, Künnemeyer, J, Terborg, L, et al. . “Analysis of Whole Blood Samples with Low Gas Flow Inductively Coupled Plasma Optical Emission Spectrometry.” Analytical and Bioanalytical Chemistry, № 407 (3 / ABCs 13th Anniversary Topical Collection): 1023–1026. doi: 10.1007/s00216-014-8161-5.
- Schmidt, R, Nippe, N, Strobel, K, et al. . “Highly Shifted Proton MR Imaging: Cell Tracking by Using Direct Detection of Paramagnetic Compounds.” Radiology, № 272 (3): 132056. doi: 10.1148/radiol.14132056.
- Bornhorst, J., Chakraborty, S., Meyer, S., et al. . “The effects of pdr1, djr1.1 and pink1 loss in manganese-induced toxicity and the role of α-synuclein in C. elegans.” Metallomics, № 6 (3): 476–490. doi: 10.1039/c3mt00325f.
- Pieper, I., Wehe, C., Bornhorst, J., et al. . “Mechanisms of Hg species induced toxicity in cultured human astrocytes: Genotoxicity and DNA-damage response.” Metallomics, № 6 (3): 662–671. doi: 10.1039/c3mt00337j.
- Faber, H., Lutze, H., Lareo, P., et al. . “Liquid chromatography/mass spectrometry to study oxidative degradation of environmentally relevant pharmaceuticals by electrochemistry and ozonation.” Journal of Chromatography A, № 1343 (null): 152–159. doi: 10.1016/j.chroma.2014.03.081.
- Große, Brinkhaus S., Bornhorst, J., Chakraborty, S., et al. . “Elemental bioimaging of manganese uptake in C. elegans.” Metallomics, № 6 (3): 617–621. doi: 10.1039/c3mt00334e.
- Faber, H., Vogel, M., and Karst, U. . “Electrochemistry/mass spectrometry as a tool in metabolism studies-A review.” Analytica Chimica Acta, № 834 (1): 9–21. doi: 10.1016/j.aca.2014.05.017.
- Wehe, C., Niehoff, A., Thyssen, G., Sperling, M., and Karst, U. . “Rapid cell mode switching and dual laser ablation inductively coupled plasma mass spectrometry for elemental bioimaging.” Rapid Communications in Mass Spectrometry, № 28 (23): 2627–2635. doi: 10.1002/rcm.7054.
- Trümpler, S, Meermann, B, Nowak, S, et al. . “In vitro study of thimerosal reactions in human whole blood.” J. Chromatogr. A., № 28 (2): 125–130. doi: 10.1016/j.jtemb.2014.01.006.
- Reifschneider, O., Schutz, C.L., Brochhausen, C., et al. . “Quantitative bioimaging of p-boronophenylalanine in thin liver tissue sections as a tool for treatment planning in boron neutron capture therapy.” Analytical and Bioanalytical Chemistry, № null (null) doi: 10.1007/s00216-014-8012-4.
- Blaske, F., Reifschneider, O., Gosheger, G., et al. . “Elemental bioimaging of nanosilver-coated prostheses using X-ray fluorescence spectroscopy and laser ablation-inductively coupled plasma-mass spectrometry.” Analytical Chemistry, № 86 (1): 615–620. doi: 10.1021/ac4028577.
- Wehe, C.A., Beyer, G., Sperling, M., Ciarimboli, G., and Karst, U. . “Assessing the intracellular concentration of platinum in medulloblastoma cell lines after Cisplatin incubation.” Journal of Trace Elements in Medicine and Biology, № 28 (2): 166–172. doi: 10.1016/j.jtemb.2014.01.001.
- Nowak, S, Gesell, M, Holtkamp, M, Sperling, M, Karst, U, and Buscher, W. . “Low Gas Flow Inductively Coupled Plasma Optical Emission Spectrometry for the Analysis of Food Samples after Microwave Digestion.” Talanta, № 129: 575–578. doi: 10.1016/j.talanta.2014.06.045.
- Trümpler, S, Meermann, B, Nowak, S, Buscher, W, Karst, U, and Sperling, M. . “In Vitro Study of Thimerosal Reactions in Human Whole Blood and Plasma Surrogate Samples.” Journal of Trace Elements in Medicine and Biology, № 28 (2): 125–130. doi: 10.1016/j.jtemb.2014.01.006.
- Niehoff, A.-C., Moosmann, A., Söbbing, J., et al. . “A palladium label to monitor nanoparticle-assisted drug delivery of a photosensitizer into tumor spheroids by elemental bioimaging.” Metallomics, № 6 (1): 77–81. doi: 10.1039/c3mt00223c.
- Terborg, L, Weber, S, Passerini, S, Winter, M, Karst, U, and Nowak, S. . “Development of gas chromatographic methods for the analyses of organic carbonate-based electrolytes.” Journal of Power Sources, № 245: 836–840. doi: 10.1016/j.jpowsour.2013.07.030.
- Wehe, CA, Pieper, I, Holtkamp, M, et al. . “On-line species-unspecific isotope dilution analysis in the picomolar range reveals the time- and species-depending mercury uptake in human astrocytes.” Analytical and Bioanalytical Chemistry, № 406 (7): 1909–16. doi: 10.1007/s00216-013-7608-4.
- Jahn, S., Beuck, S., Möller, I., Thevis, M., and Karst, U. . “Using electrochemistry for metabolite simulation and synthesis in preventive doping research: Application to the Rycal S107 and the PPARδ-agonist GW1516.” Analytical Methods, № 5 (5): 1214–1224. doi: 10.1039/c2ay00030j.
- Van Den, Brink F., Büter, L., Odijk, M., Olthuis, W., Karst, U., and Van Den, Berg A. . “Phase 1 and 2 drug metabolites generated using a miniaturized electrochemical cell with an attached ESI needle.” in Vol. 1 N/A: Selbstverlag / Eigenverlag.
- Baumann, A., Pfeifer, T., Melles, D., and Karst, U. . “Investigation of the biotransformation of melarsoprol by electrochemistry coupled to complementary LC/ESI-MS and LC/ICP-MS analysis.” Analytical and Bioanalytical Chemistry, № 405 (15): 5249–5258. doi: 10.1007/s00216-013-6929-7.
- Melles, D., Vielhaber, T., Baumann, A., Zazzeroni, R., and Karst, U. . “In chemico evaluation of skin metabolism: Investigation of eugenol and isoeugenol by electrochemistry coupled to liquid chromatography and mass spectrometry.” Journal of Chromatography B, № null (null): 106–112. doi: 10.1016/j.jchromb.2012.12.004.
- Munirathinam, R., Ricciardi, R., Egberink, R., et al. . “Gallium-containing polymer brush film as efficient supported Lewis acid catalyst in a glass microreactor.” Beilstein Journal of Organic Chemistry, № 9 (null): 1698–1704. doi: 10.3762/bjoc.9.194.
- Hoerr, V., Tuchscherr, L., Huve, J., et al. . “Bacteria tracking by in vivo magnetic resonance imaging.” BMC Biology, № 11 (63) doi: 10.1186/1741-7007-11-63.
- Sperling, M., and Karst, U. . “Metallomics: An emerging interdisciplinary science.” Analytical and Bioanalytical Chemistry, № 405 (6): 1289–1290. doi: 10.1007/s00216-012-6619-x.
- Reifschneider, O., Wehe, C.A., Diebold, K., Becker, C., Sperling, M., and Karst, U. . “Elemental bioimaging of haematoxylin and eosin-stained tissues by laser ablation ICP-MS.” Journal of Analytical Atomic Spectrometry, № 28 (7): 989–993. doi: 10.1039/c3ja50046b.
- Blaske, F., Stork, L., Sperling, M., and Karst, U. . “Adduct formation of ionic and nanoparticular silver with amino acids and glutathione.” Journal of Nanoparticle Research, № 15 (9) doi: 10.1007/s11051-013-1928-3.
- Reifschneider, O., Wehe, C.A., Raj, I., et al. . “Quantitative bioimaging of platinum in polymer embedded mouse organs using laser ablation ICP-MS.” Metallomics, № 5 (10): 1440–1447. doi: 10.1039/c3mt00147d.
- Herdering, C., Wehe, C.A., Reifschneider, O., et al. . “Laser ablation based bioimaging with simultaneous elemental and molecular mass spectrometry: Towards spatially resolved speciation analysis.” Rapid Communications in Mass Spectrometry, № 27 (23): 2588–2594. doi: 10.1002/rcm.6726.
- Herdering, C., Reifschneider, O., Wehe, C.A., Sperling, M., and Karst, U. . “Ambient molecular imaging by laser ablation atmospheric pressure chemical ionization mass spectrometry.” Rapid Communications in Mass Spectrometry, № 27 (23): 2595–2600. doi: 10.1002/rcm.6727.
- Terborg, L, Weber, S, Blaske, F, et al. . “Investigation of thermal aging and hydrolysis mechanisms in commercial lithium ion battery electrolyte.” Journal of Power Sources, № 242 (null): 832–837. doi: 10.1016/j.jpowsour.2013.05.125.
- Holtkamp, M, Elseberg, T, Wehe, CA, Sperling, M, and Karst, U. . “Complexation and oxidation strategies for improved TXRF determination of mercury in vaccines.” J. Anal. At. Spectrom., № 28: 719–723. doi: 10.1039/C3JA00002H.
- Simon, H., Wehe, C.A., Pajaziti, B., Heinrich, L., and Karst, U. . “Simultaneous electrochemical oxidation/ionization of a selenoxanthene revealed by on-line electrospray-high resolution mass spectrometry.” Electrochimica Acta, № 111 (null): 324–331. doi: 10.1016/j.electacta.2013.08.070.
- Stange, R., Kronenberg, D., Timmen, M., et al. . “Age-related bone deterioration is diminished by disrupted collagen sensing in integrin α2β1 deficient mice.” Bone, № 56 (1): 48–54. doi: 10.1016/j.bone.2013.05.003.
- Brauckmann, C, Wehe, CA, Kieshauer, M, Lanvers-Kaminsky, C, Sperling, M, and Karst, U. . “The interaction of platinum-based drugs with native biologically relevant proteins.” Analytical and Bioanalytical Chemistry, № 405 (6): 1855–1864. doi: 10.1007/s00216-012-6410-z.
- Telgmann, L, Sperling, M, and Karst, U. . “Determination of gadolinium-based MRI contrast agents in biological and environmental samples: a review.” Analytica Chimica Acta, № 764: 1–16. doi: 10.1016/j.aca.2012.12.007.
- Jahn, S., and Karst, U. . “Electrochemistry coupled to (liquid chromatography/) mass spectrometry-Current state and future perspectives.” Journal of Chromatography A, № 1259 (null): 16–49. doi: 10.1016/j.chroma.2012.05.066.
- Nowak, S, Terborg, L, Karst, U, Passerini, S, and 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
- Nowak, S, Terborg, L, Künnemeyer, J, Karst, U, and 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
- Nowak, S, Terborg, L, Karst, U, Passerini, S, and Winter, M. . “Expanding the possibilities of gas chromatographic investigation for lithium ion batteries.” contributed to the 4. Kraftwerk Batterie Fachtagung, Münster
- Nowak, S, Terborg, L, Karst, U, Passerini, S, and Winter, M. . “Investigation of decomposition products in the lithium ion battery electrolyte system.” contributed to the 4. Kraftwerk Batterie Fachtagung, Münster
- Telgmann, L, Wehe, CA, Birka, M, et al. . “Speciation and isotope dilution analysis of gadolinium-based contrast agents in wastewater.” Environmental Science and Technology, № 46 (21): 11929–11936. doi: 10.1021/es301981z.
- Jahn, S, Lohmann, W, Bomke, S, Baumann, A, and Karst, U. . “A ferrocene-based reagent for the conjugation and quantification of reactive metabolites.” Analytical and Bioanalytical Chemistry, № 402 (1): 461–471.
- Bornhorst, J, Ebert, F, Lohren, H, Humpf, HU, Karst, U, and Schwerdtle, T. . “Effects of manganese and arsenic species on the level of energy related nucleotides in human cells.” Metallomics, № 4 (3): 297–306.
- Albert, A, Brauckmann, C, Blaske, F, Sperling, M, Engelhard, C, and 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 (6): 975–981.
- Holtkamp, M, Wehe, CA, Blaske, F, Holtschulte, C, Sperling, M, and Karst, U. . “Nitrogen purged TXRF for the quantification of silver and palladium.” Journal of Analytical Atomic Spectrometry, № 27: 1799–1802. doi: 10.1039/c2ja30117b.
- Terborg, L, Nowak, S, Passerini, S, et al. . “Ion chromatographic determination of hydrolysis products of hexafluorophosphate salts in aqueous solution.” Analytica Chimica Acta, № 714: 121–126.
- Eissing, A, Fischer, D, Rauch, I, et al. . “Acetylcholine content and viability of cholinergic neurons are influenced by the activity of protein histidine phosphatase.” BMC Neuroscience, № 13
- Melles, D, Vielhaber, T, Baumann, A, Zazzeroni, R, and Karst, U. . “Electrochemical oxidation and protein adduct formation of aniline: a liquid chromatography/mass spectrometry study.” Analytical and Bioanalytical Chemistry, № 403 (2): 377–384.
- Faber, H, Melles, D, Brauckmann, C, Wehe, CA, Wentker, K, and Karst, U. . “Simulation of the oxidative metabolism of diclofenac by electrochemistry-liquid chromatography-mass spectrometry.” Analytical and Bioanalytical Chemistry, № 403 (2): 345–354.
- Vogel, M, and Karst, U. . “Electrochemistry-mass spectrometry: an emerging hyphenated technique for bioanalysis.” Analytical and Bioanalytical Chemistry, № 403 (2): 333–334.
- Bornhorst, J, Wehe, CA, Huwel, S, Karst, U, Galla, HJ, and Schwerdtle, T. . “Impact of Manganese on and Transfer across Blood-Brain and Blood-Cerebrospinal Fluid Barrier in Vitro.” Journal of Biological Chemistry, № 287 (21): 17140–17151.
- Telgmann, L, Faber, H, Jahn, S, et al. . “Identification and quantification of potential metabolites of Gd-based contrast agents by electrochemistry/separations/mass spectrometry.” Journal of Chromatography A, № 1240: 147–155.
- Jahn, S, Faber, H, Zazzeroni, R, and 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 (12): 1453–1464.
- Jahn, S, Faber, H, Zazzeroni, R, and 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 (12): 1415–1425.
- Jahn, S, and Karst, U. . “Electrochemistry coupled to liquid chromatography/mass spectrometry - Current state and future perspectives.” Journal of Chromatography A, № 1259: 16–49.
- Simon, H, Melles, D, Jacquoilleot, S, Sanderson, P, Zazzeroni, R, and Karst, U. . “Combination of Electrochemistry and Nuclear Magnetic Resonance Spectroscopy for Metabolism Studies.” Analytical Chemistry, № 84 (20): 8777–8782.
- Telgmann, L, Wehe, CA, Kunnemeyer, J, Bulter, AC, Sperling, M, and 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 (8): 2133–2141.
- Jahn, S, Seiwert, B, Kretzing, S, Abraham, G, Regenthal, R, and 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.
- Veldboer, K, Schürmann, T, Vogel, M, Wiemhöfer, H-D, and Karst, U. . “Liquid chromatography/electrospray time-of-flight mass spectrometry for the characterisation of cyclic phosphazenes.” Rapid Communications in Mass Spectrometry, № 25 (1): 147–154. doi: 10.1002/rcm.4837.
- Wehe, CA, Bornhorst, J, Holtkamp, M, et al. . “Fast and low sample consuming quantification of manganese in cell nutrient solutions by flow injection ICP-QMS.” Metallomics, № 3 (12): 1291–1296. doi: 10.1039/c1mt00170a.
- Janzen, R, Schwarzer, M, Sperling, M, Vogel, M, Schwerdtle, T, and 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, № 3 (8): 847–52. doi: 10.1039/c1mt00043h.
- Terborg, L, Nowak, S, Passerini, S, et al. . “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.
- Bartel, M, Leffers, L, Schwarzer, M, Nollen, MC, Karst, U, and Schwerdtle, T. . “Synthesis and analysis of new arsenic metabolites.” in Monographs of the Society for Minerals and Trace Elements, edited by W Windsch. München: Utzverlag.
- Nowak, S, Terborg, L, Karst, U, Passerini, S, and 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
- Nowak, S, Terborg, L, Karst, U, Passerini, S, and Winter, M. . “GC-MS and Headspace Methods for Investigations of Electrolyte Systems in Lithium Ion Batteries.” contributed to the GDCh-Wissenschaftsforum Chemie 2011, Bremen
- Nowak, S, Terborg, L, Karst, U, Passerini, S, and Winter, M. . “Speciation of Phosphorus-based Decomposition Products in a Lithium Ion Battery Electrolyte System.” contributed to the GDCh-Wissenschaftsforum Chemie 2011, Bremen
- Nowak, S, Terborg, L, Blaske, F, Karst, U, Passerini, S, and 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
- Nowak, S, Blaske, F, Terborg, L, Karst, U, Passerini, S, and 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
- Nowak, S, Blaske, F, Wehe, CA, Krüger, S, and Karst, U. . “Application of ICP-OES and ICP-MS for the analysis of silver nanoparticles in consumer products.” contributed to the CANAS 2011, Leipzig
- Nowak, S, Terborg, L, Karst, U, Passerini, S, and Winter, M. . “Alterungsuntersuchungen an Lithiumhexafluorophosphat mittels analytischer Methoden.” contributed to the 3. Kraftwerk Batterie Fachtagung, Aachen
- Nowak, S, Terborg, L, Wagner, HC, Karst, U, Passerini, S, and 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
- Nowak, S, Blaske, F, Wehe, CA, and 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
- Petroutsos, D, Busch, A, Janssen, I, et al. . “THE CHLOROPLAST CALCIUM SENSOR CAS IS REQUIRED FOR PHOTOPROTECTION IN CHLAMYDOMONAS REINHARDTII.” European Journal of Phycology, № 46: 85. doi: 10.1080/09670262.2011.613190.
- Faber, H, Jahn, S, Kunnemeyer, J, et al. . “Electrochemistry/Liquid Chromatography/Mass Spectrometry as a Tool in Metabolism Studies.” ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, № 50 (37): A52–A58.
- Faust, A, Baumann, A, Law, MP, et al. . “Structural Identification of radioactive metabolites via simulation of the oxidative metabolism by online electrochemistry-HPLC-MS.” JOURNAL OF LABELLED COMPOUNDS & RADIOPHARMACEUTICALS, № 54 (1): S23.
- Heshe, D, Hoogestraat, S, Brauckmann, C, Karst, U, Boos, J, and Lanvers-Kaminsky, C. . “Dichloroacetate metabolically targeted therapy defeats cytotoxicity of standard anticancer drugs.” Cancer Chemotherapy and Pharmacology, № 67 (3): 647–655.
- Karst, U. . “Of Science and Practicality.” Nachrichten aus der Chemie, № 59 (4): 486.
- Baumann, A, Faust, A, Law, MP, et al. . “Metabolite Identification of a Radiotracer by Electrochemistry Coupled to Liquid Chromatography with Mass Spectrometric and Radioactivity Detection.” Analytical Chemistry, № 83 (13): 5415–5421.
- Veldboer, K, Vielhaber, T, Ahrens, H, Hardes, J, Streitburger, A, and 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 (22): 2073–2080.
- Petroutsos, D, Busch, A, Janssen, I, et al. . “The Chloroplast Calcium Sensor CAS Is Required for Photoacclimation in Chlamydomonas reinhardtii.” The Plant cell, № 23 (8): 2950–2963. doi: 10.1105/tpc.111.087973.
- Jahn, S, Baumann, A, Roscher, J, Hense, K, Zazzeroni, R, and 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 (51): 9210–9220.
- Telgmann, L., Holtkamp, M., Künnemeyer, J., et al. . “Simple and rapid quantification of gadolinium in urine and blood plasma samples by means of total reflection X-ray fluorescence (TXRF).” Metallomics, № 3 (10): 1035–1040. doi: 10.1039/c1mt00054c.
- Heshe, D, Hoogestraat, S, Brauckmann, C, Karst, U, Boos, J, and Lanvers-Kaminsky, C. . “Dichloroacetate metabolically targeted therapy defeats cytotoxicity of standard anticancer drugs.” Cancer Chemotherapy and Pharmacology, № 67 (3): 647–655. doi: 10.1007/s00280-010-1361-6.
- Baumann, A, Lohmann, W, Rose, T, et al. . “Electrochemistry-mass spectrometry unveils the formation of reactive triclocarban metabolites.” Drug Metabolism and Disposition, № 38 (12): 2130–2138. doi: 10.1124/dmd.110.034546.
- Odijk, M, Baumann, A, Olthuis, W, van den, Berg A, and Karst, U. . “Electrochemistry-on-chip for on-line conversions in drug metabolism studies.” Biosensors and Bioelectronics, № 26 (4): 1521–1527. doi: 10.1016/j.bios.2010.07.102.
- Bettmer, J, and Karst, U. . “Labelling of biopolymers: current status and future trends.” Analytical and Bioanalytical Chemistry, № 397 (8): 3431–3432. doi: 10.1007/s00216-010-3870-x.
- Bomke, S, Pfeifer, T, Meermann, B, Buscher, W, and 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 (8): 3503–3513. doi: 10.1007/s00216-009-3123-z.
- Brautigam, A, Bomke, S, Pfeifer, T, Karst, U, Krauss, GJ, and Wesenberg, D. . “Quantification of Phytochelatins in Chlamydomonas reinhardtii using ferrocene-based derivatization.” Metallomics, № 2 (8): 565–570. doi: 10.1039/c005014h.
- Bomke, S, Sperling, M, and Karst, U. . “Organometallic derivatizing agents in bioanalysis.” Analytical and Bioanalytical Chemistry, № 397 (8): 3483–94. doi: 10.1007/s00216-010-3611-1.
- Rauschenberg, M., Bomke, S., Karst, U., and Ravoo, B.J. . “Dynamic Peptides as Biomimetic Carbohydrate Receptors.” Angewandte Chemie International Edition, № 49 (40): 7340–7345. doi: 10.1002/anie.201002847.
- Lohmann, W, Baumann, A, and Karst, U. . “Electrochemistry and LC-MS for Metabolite Generation and Identification: Tools, Technologies, and Trends.” LC GC North America, № 28 (6): 470.
- Baumann, A, and Karst, U. . “Online electrochemistry/mass spectrometry in drug metabolism studies: principles and applications.” Expert Opinion on Drug Metabolism and Toxicology, № 6 (6): 715–31. doi: 10.1517/17425251003713527.
- Meermann, B, Moller, I, Nowak, S, Luftmann, H, and 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 (10): 1654–1658. doi: 10.1039/c003512b.
- Wilken, A, Janzen, R, Holtkamp, M, et al. . “Investigation of the interaction of Mercurochrome® constituents with proteins using liquid chromatography/mass spectrometry.” Analytical and Bioanalytical Chemistry, № 397 (8): 3525–3532. doi: 10.1007/s00216-010-3842-1.
- Siemerink, M, Schebb, NH, Liesener, A, et al. . “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 (5): 687–697. doi: 10.1002/rcm.4428.
- Baumann, A, Lohmann, W, Jahn, S, and Karst, U. . “On-Line Electrochemistry/Electrospray Ionization Mass Spectrometry (EC/ESI-MS) for the Generation and Identification of Nucleotide Oxidation Products.” Electroanalysis, № 22 (3): 286–292.
- Lohmann, W, Baumann, A, and Karst, U. . “Electrochemistry and LC-MS for Metabolite Generation and Identification: Tools, Technologies and Trends.” LC GC Europe, № 23 (1): 8.
- Odijk, M, Baumann, A, Lohmann, W, et al. . “A microfluidic chip for electrochemical conversions in drug metabolism studies.” Lab on a Chip, № 9 (12): 1687–1693. doi: 10.1039/b822962g.
- Karst, U, and Vogel, M. . “Advances in analytical separations.” Analytical and Bioanalytical Chemistry, № 394 (5): 1253–1253. doi: 10.1007/s00216-009-2828-3.
- Schebb, NH, Faber, H, Maul, R, et al. . “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 (5): 1361–1373. doi: 10.1007/s00216-009-2765-1.
- Lohmann, W, and Karst, U. . “Electrochemistry meets enzymes: instrumental on-line simulation of oxidative and conjugative metabolism reactions of toremifene.” Analytical and Bioanalytical Chemistry, № 394 (5): 1341–1348. doi: 10.1007/s00216-008-2586-7.
- Kunnemeyer, J, Terborg, L, Meermann, B, et al. . “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 and Technology, № 43 (14): 5549–5550. doi: 10.1021/es901550c.
- Schebb, NH, Falck, D, Faber, H, Hein, EM, Karst, U, and Hayen, H. . “Fast method for monitoring phospholipase A2 activity by liquid chromatography-electrospray ionization mass spectrometry.” Journal of Chromatography A, № 1216 (27): 5249–55. doi: 10.1016/j.chroma.2009.05.020.
- Nowak, S, Trümpler, S, Meermann, B, et al. . “Investigations of mercury interaction with human blood components by means of Static High Sensitivity ICP (SHIP).” contributed to the TraceSpec, Mainz
- Terborg, L, Künnemeyer, J, Telgmann, L, Nowak, S, Tokmak, F, and 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
- Kunnemeyer, J, Terborg, L, Nowak, S, et al. . “Quantification and excretion kinetics of a magnetic resonance imaging contrast agent by capillary electrophoresis-mass spectrometry.” Electrophoresis, № 30 (10): 1766–1773. doi: 10.1002/elps.200800831.
- Trumpler, S, Nowak, S, Meermann, B, et al. . “Detoxification of mercury species-an in vitro study with antidotes in human whole blood.” Analytical and Bioanalytical Chemistry, № 395 (6): 1929–1935. doi: 10.1007/s00216-009-3105-1.
- Kunnemeyer, J, Terborg, L, Nowak, S, et al. . “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 (9): 3600–3607. doi: 10.1021/ac8027118.
- Schebb, NH, Vielhaber, T, Jousset, A, and Karst, U. . “Development of a liquid chromatography-based screening methodology for proteolytic enzyme activity.” Journal of Chromatography A, № 1216 (20): 4407–4415.
- Kunnemeyer, J, Terborg, L, Meermann, B, Brauckmann, C, Scheffer, IMA, and Karst, U. . “Speciation Analysis of Gadolinium Chelates in Hospital Effluents and Wastewater Treatment Plant Sewage by a Novel HILIC/ICP-MS Method.” Environmental Science and Technology, № 43 (8): 2884–2890.
- Baumann, A, Lohmann, W, Schubert, B, Oberacher, H, and Karst, U. . “Metabolic studies of tetrazepam based on electrochemical simulation in comparison to in vivo and in vitro methods.” Journal of Chromatography A, № 1216 (15): 3192–3198. doi: 10.1016/j.chroma.2009.02.001.
- Bomke, S, Seiwert, B, Dudek, L, Effkemann, S, and Karst, U. . “Determination of biogenic amines in food samples using derivatization followed by liquid chromatography/mass spectrometry.” Analytical and Bioanalytical Chemistry, № 393 (1): 247–256.
- Trumpler, S, Lohmann, W, Meermann, B, Buscher, W, Sperling, M, and Karst, U. . “Interaction of thimerosal with proteins-ethylmercury adduct formation of human serum albumin and beta-lactoglobulin A.” Metallomics, № 1 (1): 87–91.
- Lohmann, W, Dötzer, R, Gütter, G, Van Leeuwen, SM, and Karst, U. . “On-Line Electrochemistry/Liquid Chromatography/Mass Spectrometry for the Simulation of Pesticide Metabolism.” Journal of The American Society for Mass Spectrometry, № 20 (1): 138–145. doi: 10.1016/j.jasms.2008.09.003.
- Steinkamp, T, Hayen, H, Huskens, J, and Karst, U. . “Lanthanide-induced hydrolysis of 4,7-diphenyl-1,10-phenanthroline-2,9-dicarboxylic acid esters.” Inorganica Chimica Acta, № 362 (2): 421–425.
- Veldboer, K, Karatas, Y, Vielhaber, T, Karst, U, and Wiemhöfer, HD. . “Cyclic Phosphazenes for the Surface Modification of Lanthanide Phosphate-based Nanoparticles.” ZAAC - Zeitschrift für Anorganische und Allgemeine Chemie / Journal of Inorganic and General Chemistry, № 634 (12-13): 2175–2180. doi: 10.1002/zaac.200800297.
- Revermann, T, Gotz, S, Kunnemeyer, J, and Karst, U. . “Quantitative analysis by microchip capillary electrophoresis - current limitations and problem-solving strategies.” Analyst, № 133 (2): 167–174.
- Thevis, M, Lohmann, W, Schrader, Y, et al. . “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 (3): 163–170. doi: 10.1255/ejms.924.
- Lohmann, W, and Karst, U. . “Biomimetic modeling of oxidative drug metabolism : SStrategies, advantages and limitations.” Analytical and Bioanalytical Chemistry, № 391 (1): 79–96. doi: 10.1007/s00216-007-1794-x.
- Lohmann, W, Hayen, H, and Karst, U. . “Covalent Protein Modification by Reactive Drug Metabolites Using Online Electrochemistry/Liquid Chromatography/Mass Spectrometry.” Analytical Chemistry, № 80 (24): 9714–9719.
- Lohmann, W, Meermann, B, Möller, I, Scheffer, A, and Karst, U. . “Quantification of Electrochemically Generated Iodine-Containing Metabolites Using Inductively Coupled Plasma Mass Spectrometry.” Analytical Chemistry, № 80 (24): 9769–9775. doi: 10.1021/ac801878k.
- Schebb, NH, Heus, F, Saenger, T, Karst, U, Irth, H, and Kool, J. . “Development of a countergradient parking system for gradient liquid chromatography with online biochemical detection of serine protease inhibitors.” Analytical Chemistry, № 80 (17): 6764–6772.
- Meermann, B, Bartel, M, Scheffer, A, Trumpler, S, and 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 (12): 2731–2737.
- Karst, U. . “Liquid chromatography-mass spectrometry: the long road from instrumental developments to applications.” Analytical and Bioanalytical Chemistry, № 391 (1): 7–8. doi: 10.1007/s00216-008-2028-6.
- Schebb, NH, Vogel, M, Karst, U, Kool, J, and Irth, H. . “HPLC mit biochemischer Detektion (BCD).” GIT Labor-Fachzeitschrift, № 52 (04/2008): 365–368.
- Kunnemeyer, J., Terborg, L., Nowak, S., et al. . “Speciation analysis of gadolinium-based MRI contrast agents in blood plasma by hydrophilic interaction chromatography/electrospray mass spectrometry.” Analytical Chemistry, № 80 (21): 8163–8170. doi: 10.1021/ac801264j.
- Engelhard, C, Vielhaber, T, Scheffer, A, Brocksieper, M, Buscher, W, and 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 (3): 407–411.
- Schebb, NH, Fischer, D, Hein, EM, et al. . “Fast sample preparation and liquid chromatography-tandem mass spectrometry method for assaying cell lysate acetylcholine.” Journal of Chromatography A, № 1183 (1-2): 100–107.
- van Leeuwen, SM, Tan, B, Grijpma, DW, Fejen, J, and Karst, U. . “Characterization of synthetic block copolymers by LC-MS.” American Laboratory, № 40 (3): 36.
- Seiwert, B, Hayen, H, and Karst, U. . “Differential labeling of free and disulfide-bound thiol functions in proteins.” Journal of The American Society for Mass Spectrometry, № 19 (1): 1–7.
- Seiwert, B, and Karst, U. . “Ferrocene-based derivatization in analytical chemistry.” Analytical and Bioanalytical Chemistry, № 390 (1): 181–200. doi: 10.1007/s00216-007-1639-7.
- van Leeuwen, SM, Tan, BH, Grijpma, DW, Fejen, J, and 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 (16): 2629–2637.
- Liesener, A, Perchuc, AM, Schoni, R, Schebb, NH, Wilmer, M, and Karst, U. . “Screening of acetylcholinesterase inhibitors in snake venom by electrospray mass spectrometry.” Pure and Applied Chemistry, № 79 (12): 2339–2349.
- Götz, S, Revermann, T, and Karst, U. . “Quantitative on-chip determination of taurine in energy and sports drinks.” Lab on a Chip, № 7 (1): 93–97.
- Karst, U. . “Wilfried M.A. Niessen: Liquid chromatography-mass spectrometry (Third edition).” Analytical and Bioanalytical Chemistry, № 389 (5): 1303–1304. doi: 10.1007/s00216-007-1580-9.
- Seiwert, B, and 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 (8): 1633–1642. doi: 10.1007/s00216-007-1260-9.
- Seiwert, B, and 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 (18): 7131–7138. doi: 10.1021/ac071016b.
- Lohmann, W, and Karst, U. . “Generation and identification of reactive metabolites by electrochemistry and immobilized enzymes coupled on-line to liquid chromatography/mass spectrometry.” Analytical Chemistry, № 79 (17): 6831–6839. doi: 10.1021/ac071100r.
- Vogel, M., and Karst, U. . “From the trial into the mass spectrometer - New ionization techniques.” Nachrichten aus der Chemie, № 55 (4): 420–424.
- Vogel, M, Scheffer, A, Liesener, A, and Karst, U. . “Laser desorption assays - MALDI-MS, DIOS-MS and SAMDI-MS.” in Mass Spectrometry in Medicinal Chemistry, edited by K Wanner and G Höfner. Weinheim: Wiley-VCH Verlag. doi: 10.1002/9783527610907.ch8.
- Vogel, M, and Karst, U. . “From the test to the mass spectrometer / Aus der Probe ins Massenspektrometer.” Nachrichten aus der Chemie, № 55 (4): 420–424.
- Revermann, T, Gotz, S, and Karst, U. . “Quantitative analysis of thiols in consumer products on a microfluidic CE chip with fluorescence detection.” Electrophoresis, № 28 (7): 1154–1160.
- Gotz, S, and Karst, U. . “Wavelength-resolved fluorescence detector for microchip capillary electrophoresis separations.” Sensors and Actuators B: Chemical, № 123 (1): 622–627.
- Henneken, H, Vogel, M, and Karst, U. . “Determination of airborne isocyanates.” Analytical and Bioanalytical Chemistry, № 387 (1): 219–236.
- Gotz, S, and Karst, U. . “Recent developments in optical detection methods for microchip separations.” Analytical and Bioanalytical Chemistry, № 387 (1): 183–192.
- Henneken, H, Vogel, M, and Karst, U. . “Effects of humidity and filter material on diffusive sampling of isocyanates using reagent-coated filters.” Journal of Environmental Monitoring, № 8 (10): 1014–1019. doi: 10.1039/b607658k.
- Grobe, J, Karst, A, Krebs, B, Läge, M, and Würthwein, E-U. . “Cycloarsanes (AsCF3)n (n = 4, 5) - Precursors for the highly reactive diarsene F3CAs=AsCF3.” ZAAC - Zeitschrift für Anorganische und Allgemeine Chemie / Journal of Inorganic and General Chemistry, № 632 (4): 599–608.
- Schulte-Ladbeck, R, Edelmann, A, Quintas, G, Lendl, B, and Karst, U. . “Determination of peroxide-based explosives using liquid chromatography with on-line infrared detection.” Analytical Chemistry, № 78 (23): 8150–8155.
- Lohmann, W, and Karst, U. . “Simulation of the detoxification of paracetamol using on-line electrochemistry/liquid chromatography/mass spectrometry.” Analytical and Bioanalytical Chemistry, № 386 (6): 1701–1708. doi: 10.1007/s00216-006-0801-y.
- Henneken, H, Hayen, H, Vogel, M, and 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 (1-2): 112–121.
- Schulte-Ladbeck, R, Vogel, M, and Karst, U. . “Recent methods for the determination of peroxide-based explosives.” Analytical and Bioanalytical Chemistry, № 386 (3): 559–565. doi: 10.1007/s00216-006-0579-y.
- Henneken, H, Assink, L, de Wit, J, Vogel, M, and Karst, U. . “Passive sampling of airborne peroxyacetic acid.” Analytical Chemistry, № 78 (18): 6547–6555.
- Hempen, C., Gläsle-Schwarz, L., Kunz, U., and 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 (null): 41–49. doi: 10.1016/j.aca.2005.12.035.
- Hempen, C., Gläsle-Schwarz, L., Kunz, U., and Karst, U. . “Determination of telmisartan in human blood plasma: Part I: Immunoassay development.” Analytica Chimica Acta, № 560 (null): 35–40. doi: 10.1016/j.aca.2005.12.036.
- Schoon, A, Götz, S, Heuven, M, Vogel, M, and Karst, U. . “Training and testing explosive detection dogs in detecting TATP.” Forensic Sci. Commun., № 2006 (8)
- Götz, S, Scheffer, A, Vogel, M, and Karst, U. . “A pleading for chromatography.” G.I.T. Laboratory Journal, № 6: 22–23.
- Karst, U, Liesener, A, and Vogel, M. . “Kontrolle von Bioassays durch Massenspektrometrie.” Laborpraxis, № 11: 22–24.
- Bos, SJ, Van Leeuwen, SM, and Karst, U. . “From fundamentals to applications: recent developments of atmospheric pressure photoionization mass spectrometry.” Analytical and Bioanalytical Chemistry, № 384 (1): 85–99. doi: 10.1007/s00216-005-0046-1.
- Hempen, C, and Karst, U. . “Labeling strategies for bioassays.” Analytical and Bioanalytical Chemistry, № 384: 572–583.
- Karst, U. . “Where the worlds of nanotechnology, materials science, and bioanalysis converge.” Analytical and Bioanalytical Chemistry, № 384 (3): 559–559. doi: 10.1007/s00216-005-0262-8.
- Haselberg, R, Hempen, C, van Leeuwen, SM, Vogel, M, and Karst, U. . “Analysis of microperoxidases using liquid chromatography, post-column substrate conversion and fluorescence detection.” Journal of Chromatography B, № 830 (1): 47–53.
- Liesener, A, and Karst, U. . “Assessing protease activity pattern by means of multiple substrate ESI-MS assays.” Analyst, № 130 (6): 850–854. doi: 10.1039/b502008e.
- Hempen, C, van Leeuwen, S, Luftmann, H, and 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 (1): 234–238. doi: 10.1007/s00216-005-3178-4.
- Liesener, A, Perchuc, AM, Schöni, R, Wilmer, M, and 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.
- Hempen, C, Liesener, A, and Karst, U. . “Fluorescence and mass spectrometric detection schemes for simultaneous enzymatic conversions: method development and comparison.” Analytica Chimica Acta, № 543: 137–142. doi: 10.1016/j.aca.2005.04.038.
- Liesener, A, and Karst, U. . “Turbulent flow chromatography for the reduction of matrix effects in electrospray ionization mass spectrometry-based enzyme assays.” Journal of Separation Science, № 28: 1658–1665.
- Brivio, M, Liesener, A, Oosterbroek, RE, et al. . “Chip-based on-line nanospray MS method enabling study of the kinetics of isocyanate derivatization reactions.” Analytical Chemistry, № 77 (21): 6852–6856. doi: 10.1021/ac050817g.
- Blankert, B, Hayen, H, Van Leeuwen, SM, et al. . “Electrochemical, chemical and enzymatic oxidations of phenothiazines.” Electroanalysis, № 2005 (17): 1501–1510. doi: 10.1002/elan.200403253.
- Van Leeuwen, SM, Blankert, B, Kauffmann, JM, and 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.
- Vogel, M, van Leeuwen, S, Seiwert, B, and Karst, U. . “Analytik unpolarer Verbindungen mittels LC/Elektrochemie/MS.” Nachr. Chem., № 53: 1145–1147.
- Karst, U. . “Liquid chromatography/electron capture-atmospheric pressure chemical ionization mass spectrometry.” Analytical and Bioanalytical Chemistry, № 382 (8): 1744–1746. doi: 10.1007/s00216-005-3328-8.
- Liesener, A, and Karst, U. . “Monitoring enzymatic conversions by mass spectrometry - a critical review.” Anal. Bioanal. Chem., № 382: 1451–1464. doi: 10.1007/s00216-005-3305-2.
- Falvey, P, Lim, CW, Darcy, R, et al. . “Bilayer vesicles of amphiphilic cyclodextrins: Host membranes that recognize guest molecules.” Chemistry - A European Journal, № 11 (4): 1171–1180. doi: 10.1002/chem.200400905.
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- Hayen, H, Alvarez-Grima, M, Debnath, S, Noordermeer, J, and Karst, U. . “Liquid Chromatography/Coordination Ion Spray-Mass Spectrometry for the Analysis of Rubber Vulcanization Products.” Analytical Chemistry, № 76 (4): 1063–1068. doi: 10.1021/ac035017p.
- Hayen, H, Deschamps, A, Grijpma, D, Feijen, J, and Karst, U. . “Liquid chromatographic-mass spectrometric studies on the in vitro degradation of a poly(ether ester) block copolymer.” Journal of Chromatography A, № 1029 (null): 29–36. doi: 10.1016/j.chroma.2003.12.056.
- Deschamps, A, Van Apeldoorn, A, Hayen, H, et al. . “In vivo and in vitro degradation of poly(ether ester) block copolymers based on poly(ethylene glycol) and poly(butylene terephthalate).” Biomaterials, № 25 (2): 247–258. doi: 10.1016/S0142-9612(03)00495-2.
- Steinkamp, T, Schweppe, F, Krebs, B, and Karst, U. . “A tripod ligand as new sensitiser for the enzyme amplified lanthanide luminescence determination of esterase.” Analyst, № 128 (1): 29–31.
- Müthing, J, Kemminer, SE, Conradt, HS, et al. . “Effects of buffering conditions and culture pH on production rates and glycosylation of clinical phase I anti-melanoma mouse IgG3 monoclonal antibody R24.” Biotechnology and Bioengineering, № 83 (3): 321–34. doi: 10.1002/bit.10673.
- Hayen, H., Vogel, M., and Karst, U. . “Recent developments in the determination of form-aldehyde in air samples using derivatizing agents.” Gefahrstoffe Reinhaltung der Luft, № 63 (null): 295–298.
- Meyer, J, Liesener, A, Götz, S, Hayen, H, and Karst, U. . “Liquid chromatography with on-line electrochemical derivatization and fluorescence detection for the determination of phenols.” Analytical Chemistry, № 75 (4): 922–926. doi: 10.1021/ac0204808.
- Hayen, H, Jachmann, N, Vogel, M, and Karst, U. . “LC-electron capture-APCI(-)-MS determination of nitrobenzoxadiazole derivatives.” Analyst, № 128 (11): 1365–1372. doi: 10.1039/b308752b.
- Hayen, H, and Karst, U. . “Analysis of phenothiazine and its derivatives using LC/electrochemistry/MS and LC/electrochemistry/fluorescence.” Analytical Chemistry, № 75 (18): 4833–4840. doi: 10.1021/ac0346050.
- Harms, D, Luftmann, H, Muller, FK, Krebs, B, and Karst, U. . “Selective determination of hydrogen peroxide by adduct formation with a dinuclear iron(III) complex and flow injection analysis/tandem mass spectrometry.” Analyst, № 127 (11): 1410–1412.
- Hayen, H, Jachmann, N, Vogel, M, and Karst, U. . “LC-electron capture APCI-MS for the determination of nitroaromatic compounds.” Analyst, № 127 (8): 1027–1030. doi: 10.1039/b205477a.
- Schulte-Ladbeck, R, Lindahl, R, Levin, JO, and Karst, U. . “Characterization of chemical interferences in the determination of unsaturated aldehydes using aromatic hydrazine reagents and liquid chromatography.” Journal of Environmental Monitoring, № 3 (3): 306–310.
- Meyer, J, and Karst, U. . “Enzyme-linked immunosorbent assays based on peroxidase labels and enzyme-amplified lanthanide luminescence detection.” Analyst, № 126 (2): 175–178.
- Diehl, G, Liesener, A, and Karst, U. . “Liquid chromatography with post-column electrochemical treatment and mass spectrometric detection of non-polar compounds.” Analyst, № 126 (3): 288–290.
- Meyer, J, and Karst, U. . “Determination of paracetamol (acetaminophen) by HPLC with post-column enzymatic derivatization and fluorescence detection.” Chromatographia, № 54 (3-4): 163–167.
- Jachmann, N, and Karst, U. . “Synthesis and application of 4-(N,N-dimethylaminosulfonyl)-7-N-methylhydrazino-2,1,3-benzoxadiazole (MDBDH) as a new derivatizing agent for aldehydes.” Fresenius' Journal of Analytical Chemistry, № 369 (1): 47–53.
- Kempter, C, and Karst, U. . “Determination of carbonyl compounds in waters using triazine-based hydrazine reagents and liquid chromatography.” Analyst, № 125 (3): 433–438.
- Meyer, J, and Karst, U. . “Peroxidase enhanced lanthanide luminescence - a new technique for the evaluation of bioassays.” Analyst, № 125 (9): 1537–1538.
- Diehl, G, and Karst, U. . “Post-column oxidative derivatization for the liquid chromatographic determination of phenothiazines.” Journal of Chromatography A, № 890 (2): 281–287.
- Vogel, M, Potter, W, and Karst, U. . “Characterization of a chemical artifact in the liquid chromatographic determination of 3-butyn-2-one using the 2,4-dinitrophenylhydrazine method.” Journal of Chromatography A, № 886 (1-2): 303–307.
- Vogel, M, Buldt, A, and Karst, U. . “Hydrazine reagents as derivatizing agents in environmental analysis - a critical review.” Fresenius' Journal of Analytical Chemistry, № 366 (8): 781–791. doi: 10.1007/s002160051572.
- Meyer, J, Büldt, A, Vogel, M, and Karst, U. . “4-(N-Methylhydrazino)-7-nitro-2,1,3-benzooxadiazole (MNBDH): A Novel Fluorogenic Peroxidase Substrate.” Angewandte Chemie International Edition, № 39 (8): 1453–1455.
- Kempter, C, Potter, W, Binding, N, Klaning, H, Witting, U, and Karst, U. . “Tailor-made derivatizing agents for carbonyl compounds using liquid chromatography.” Analytica Chimica Acta, № 410 (1-2): 47–64.
- Karst, U. . “ANAKON '99: A preview of tomorrow's Analytical Chemistry.” Fresenius' Journal of Analytical Chemistry, № 366 (4): 323–323. doi: 10.1007/s002160050064.
- Effkemann, S, Brodsgaard, S, Mortensen, P, Linde, SA, and Karst, U. . “Spectrophotometric and direct-reading methods for the analysis of gas phase peroxyacetic acid.” Fresenius' Journal of Analytical Chemistry, № 366 (4): 361–364.
- Zurek, G, Büldt, A, and Karst, U. . “Determination of acetaldehyde in tobacco smoke using N-methyl-4-hydrazino-7-nitrobenzofurazan and liquid chromatography/mass spectrometry.” Fresenius' Journal of Analytical Chemistry, № 366 (4): 396–9. doi: 10.1007/s002160050081.
- Zurek, G, and 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 (1-2): 251–259.
- Harms, D, Meyer, J, Westerheide, L, Krebs, B, and Karst, U. . “Determination of glucose in soft drinks using its enzymatic oxidation and the detection of formed hydrogen peroxide with a dinuclear iron(III) complex.” Analytica Chimica Acta, № 401 (1-2): 83–90. doi: 10.1016/S0003-2670(99)00514-0.
- Harms, D, Than, R, Krebs, B, and Karst, U. . “Flow injection analysis of hydrogen peroxide in disinfectants.” Fresenius' Journal of Analytical Chemistry, № 364 (1-2): 184–188. doi: 10.1007/s002160051321.
- Sievers, RE, Karst, U, Milewski, PD, et al. . “Formation of aqueous small droplet aerosols assisted by supercritical carbon dioxide.” Aerosol Science and Technology, № 30 (1): 3–15.
- Zurek, G, Luftmann, H, and Karst, U. . “HPLC-APCI-MS with calibration based on stable isotope-labelled internal standards for the quantification of carbonyls in air samples.” Analyst, № 124 (9): 1291–1295. doi: 10.1039/a904393d.
- Büldt, A, and Karst, U. . “N-methyl-4-hydrazino-7-nitrobenzofurazan as a new reagent for air monitoring of aldehydes and ketones.” Analytical Chemistry, № 71 (9): 1893–1898. doi: 10.1021/ac980946f.
- Harms, D, and Karst, U. . “Rapid and selective determination of peroxyacetic acid in disinfectants using flow injection analysis.” Analytica Chimica Acta, № 389 (1-3): 233–238. doi: 10.1016/S0003-2670(99)00156-7.
- Meyer, J, and Karst, U. . “Workplace monitoring of gas phase hydrogen peroxide by means of fluorescence spectroscopy.” Analytica Chimica Acta, № 401 (1-2): 191–196. doi: 10.1016/S0003-2670(99)00488-2.
- Kempter, C, Büldt, A, and Karst, U. . “Workplace monitoring of oximes using 2,4-dinitrophenylhydrazine-coated silica gel cartridges and liquid chromatography.” Analytica Chimica Acta, № 388 (1-2): 181–186. doi: 10.1016/S0003-2670(99)00128-2.
- Meyer, J, and Karst, U. . “Zeitverzögerte fluoreszenzspektroskopie mit Lanthanoidkomplexen - Prinzipien und Anwendungen.” Nachrichten aus der Chemie, № 47 (9): 1116–1119.
- Zurek, G, and Karst, U. . “Liquid chromatography-mass spectrometry method for the determination of aldehydes derivatized by the Hantzsch reaction.” Journal of Chromatography A, № 864 (2): 191–197.
- Effkemann, S, Brødsgaard, S, Mortensen, P, Linde, SA, and Karst, U. . “Determination of gas phase peroxyacetic acid using pre-column derivatization with organic sulfide reagents and liquid chromatography.” Journal of Chromatography A, № 855 (2): 551–561.
- Kempter, C, Zurek, G, and Karst, U. . “Determination of carbonyls using liquid chromatography-mass spectrometry with atmospheric pressure chemical ionization.” Journal of Environmental Monitoring, № 1 (4): 307–311.
- Büldt, A, and Karst, U. . “Determination of nitrite in waters by microplate fluorescence spectroscopy and HPLC with fluorescence detection.” Analytical Chemistry, № 71 (15): 3003–3007.
- Büldt, A, Lindahl, R, Levin, JO, and Karst, U. . “A diffusive sampling device for the determination of formaldehyde in air using N-methyl-4-hydrazino-7-nitrobenzofurazan (MNBDH) as reagent.” Journal of Environmental Monitoring, № 1 (1): 39–43.
- Binding, N, Kläning, H, Karst, U, Pötter, W, Czeschinski, PA, and Witting, U. . “Analytical reliability of carbonyl compound determination using 1,5-dansylhydrazine-derivatization.” Fresenius' Journal of Analytical Chemistry, № 362 (3): 270–273. doi: 10.1007/s002160051072.
- Effkemann, S, Pinkernell, U, Neumüller, R, Schwan, F, Engelhardt, H, and Karst, U. . “Liquid chromatographic simultaneous determination of peroxycarboxylic acids using postcolumn derivatization.” Analytical Chemistry, № 70 (18): 3857–3862. doi: 10.1021/ac980256b.
- Effkemann, S, Pinkernell, U, and Karst, U. . “Peroxide analysis in laundry detergents using liquid chromatography.” Analytica Chimica Acta, № 363 (1): 97–103. doi: 10.1016/S0003-2670(98)00040-3.
- Effkemann, S, and Karst, U. . “Reagent for the high-performance liquid chromatography determination of peroxycarboxylic acids.” Analyst, № 123 (8): 1761–1765. doi: 10.1039/a801697f.
- Büldt, A, and Karst, U. . “1-Methyl-1-(2,4-dinitrophenyl)hydrazine as a New Reagent for the HPLC Determination of Aldehydes.” Analytical Chemistry, № 69 (17): 3617–3622. doi: 10.1021/ac970146p.
- Zurek, G, and Karst, U. . “Microplate photometric determination of aldehydes in disinfectant solutions.” Analytica Chimica Acta, № 351 (1-3): 247–257. doi: 10.1016/S0003-2670(97)00363-2.
- Pötter, W, Lamotte, S, Engelhardt, H, and Karst, U. . “Non-porous silica for ultrafast reversed-phase high-performance liquid chromatographic separation of aldehyde and ketone 2,4-dinitrophenylhydrazones.” Journal of Chromatography A, № 786 (1): 47–55. doi: 10.1016/S0021-9673(97)00564-5.
- Pinkernell, U, Lüke, H-J, and Karst, U. . “Selective photometric determination of peroxycarboxylic acids in the presence of hydrogen peroxide.” Analyst, № 122 (6): 567–571. doi: 10.1039/a700509a.
- Pinkernell, U, Effkemann, S, and Karst, U. . “Simultaneous HPLC Determination of Peroxyacetic Acid and Hydrogen Peroxide.” Analytical Chemistry, № 69 (17): 3623–3627. doi: 10.1021/ac9701750.
- Binding, N, Pötter, W, Karst, U, Kläning, H, and Witting, U. . “Modular derivatisation reagents designed on purpose for ambient air monitoring of volatile substances: I. aldehydes and ketones.” Zentralblatt fur Hygiene und Umweltmedizin, № 200 (4): 364–365.
- Eulering, B, Schmidt, M, Pinkernell, U, Karst, U, and Krebs, B. . “An unsymmetrical dinuclear iron(III) complex with peroxidase properties.” Angewandte Chemie International Edition, № 35 (17): 1973–1974. doi: 10.1002/anie.199619731.
- Pötter, W, and Karst, U. . “Identification of Chemical Interferences in Aldehyde and Ketone Determination Using Dual-Wavelength Detection.” Analytical Chemistry, № 68 (19): 3354–3358. doi: 10.1021/ac960319v.
- Pinkernell, U, Effkemann, S, Nitzsche, F, and Karst, U. . “Rapid high-performance liquid chromatographic method for the determination of peroxyacetic acid.” Journal of Chromatography A, № 730 (1-2): 203–208. doi: 10.1016/0021-9673(95)01346-6.
- Pinkernell, U, Karst, U, and Cammann, K. . “Determination of peroxyacetic acid using high-performance liquid chromatography with external calibration.” Analytical Chemistry, № 66 (15): 2599–2600. doi: 10.1021/ac00087a028.
- Gromping, AHJ, Karst, U, and Cammann, K. . “Development of a method for simultaneous determinations of nitrogen oxides, aldehydes and ketones in air samples.” Journal of Chromatography A, № 653 (2): 341–347. doi: 10.1016/0021-9673(93)83193-V.
- Karst, U, Binding, N, Cammann, K, and Witting, U. . “Interferences of nitrogen dioxide in the determination of aldehydes and ketones by sampling on 2,4-dinitrophenylhydrazine-coated solid sorbent.” Fresenius' Journal of Analytical Chemistry, № 345 (1): 48–52. doi: 10.1007/BF00323325.