Works matching AU Niessen, Wilfried
Results: 31
Comprehensive gas chromatography-electron ionisation mass spectrometric analysis of fatty acids and sterols using sequential one-pot silylation: quantification and isotopologue analysis.
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- Rapid Communications in Mass Spectrometry: RCM, 2014, v. 28, n. 13, p. 1507, doi. 10.1002/rcm.6923
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Use of soft and hard ionization techniques for elucidation of unknown compounds by gas chromatography/time-of-flight mass spectrometry.
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- Rapid Communications in Mass Spectrometry: RCM, 2011, v. 25, n. 11, p. 1589, doi. 10.1002/rcm.5028
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Structural elucidation of biologically active neomycin N-octyl derivatives in a regioisomeric mixture by means of liquid chromatography/ion trap time-of-flight mass spectrometry.
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- Rapid Communications in Mass Spectrometry: RCM, 2010, v. 24, n. 10, p. 1439, doi. 10.1002/rcm.4534
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Fragmentation pathways of drugs of abuse and their metabolites based on QTOF MS/MS and MS<sup>E</sup> accurate-mass spectra.
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- Journal of Mass Spectrometry, 2011, v. 46, n. 9, p. 865, doi. 10.1002/jms.1963
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Use of quadrupole time-of-flight mass spectrometry in the elucidation of unknown compounds present in environmental water.
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- Rapid Communications in Mass Spectrometry: RCM, 2005, v. 19, n. 2, p. 169, doi. 10.1002/rcm.1764
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Determination of patterns of biologically relevant aldehydes in exhaled breath condensate of healthy subjects by liquid chromatography/atmospheric chemical ionization tandem mass spectrometry.
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- Rapid Communications in Mass Spectrometry: RCM, 2003, v. 17, n. 7, p. 637, doi. 10.1002/rcm.960
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Liquid chromatography/electrospray tandem mass spectrometry characterization of styrene metabolism in man and in rat.
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- Rapid Communications in Mass Spectrometry: RCM, 2002, v. 16, n. 24, p. 2239, doi. 10.1002/rcm.848
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A new method for the analysis of styrene mercapturic acids by liquid chromatography/electrospray tandem mass spectrometry.
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- Rapid Communications in Mass Spectrometry: RCM, 2000, v. 14, n. 21, p. 2055, doi. 10.1002/1097-0231(20001115)14:21<2055::AID-RCM134>3.0.CO;2-0
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Determination of n-hexane metabolites by liquid chromatography/mass spectrometry 2. Glucuronide-conjugated metabolites in untreated urine samples by electrospray ionization.
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- Rapid Communications in Mass Spectrometry: RCM, 1998, v. 12, n. 21, p. 1615, doi. 10.1002/(SICI)1097-0231(19981115)12:21<1615::AID-RCM372>3.0.CO;2-M
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An eluent-jet interface for chemical ionization mass spectrometry and coupling of microcolumn liquid chromatography with electron ionization mass spectrometry.
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- Rapid Communications in Mass Spectrometry: RCM, 1998, v. 12, n. 1, p. 5, doi. 10.1002/(SICI)1097-0231(19980115)12:1<5::AID-RCM109>3.0.CO;2-2
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Quantitative determination of urinary 8-oxo-7,8-dihydro-2′-deoxyguanosine, 8-oxo-7,8-dihydroguanine, 8-oxo-7,8-dihydroguanosine, and their non-oxidized forms: daily concentration profile in healthy volunteers.
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- Biomarkers, 2010, v. 15, n. 3, p. 221, doi. 10.3109/13547500903434501
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A high-throughput sample preparation method for cellular proteomics using 96-well filter plates.
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- Proteomics, 2013, v. 13, n. 20, p. 2980, doi. 10.1002/pmic.201300080
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Miniaturized Bioaffinity Assessment Coupled to Mass Spectrometry for Guided Purification of Bioactives from Toad and Cone Snail.
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- Biology (2079-7737), 2014, v. 3, n. 1, p. 139, doi. 10.3390/biology3010139
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Development of Plate Reader and On-Line Microfluidic Screening to Identify Ligands of the 5-Hydroxytryptamine Binding Protein in Venoms.
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- Toxins, 2015, v. 7, n. 7, p. 2336, doi. 10.3390/toxins7072336
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Handbook of LC-MS Bioanalysis. Edited by Wenkui Li, Jie Zhang and Francis L. S. Tse.
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- ChemMedChem, 2014, v. 9, n. 8, p. 1909, doi. 10.1002/cmdc.201402077
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Liquid chromatography with triple-quadrupole and quadrupole-time-of-flight mass spectrometry for the determination of micro-constituents – a comparison.
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- Analytical & Bioanalytical Chemistry, 2004, v. 378, n. 7, p. 1754, doi. 10.1007/s00216-003-2485-x
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Development of a simplified method for the simultaneous determination of retinol, α-tocopherol, and β-carotene in serum by liquid chromatography–tandem mass spectrometry with atmospheric pressure chemical ionization.
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- Analytical & Bioanalytical Chemistry, 2004, v. 378, n. 4, p. 987, doi. 10.1007/s00216-003-2288-0
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The role of column liquid chromatography-mass spectrometry in environmental trace-level analysis. Determination and identification of pesticides in water.
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- Journal of Separation Science, 2001, v. 24, n. 5, p. 331, doi. 10.1002/1615-9314(20010501)24:5<331::AID-JSSC331>3.0.CO;2-T
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Rapid screening and identification of ACE inhibitors in snake venoms using at-line nanofractionation LC-MS.
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- Analytical & Bioanalytical Chemistry, 2017, v. 409, n. 25, p. 5987, doi. 10.1007/s00216-017-0531-3
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Metabolic profiling of ligands for the chemokine receptor CXCR3 by liquid chromatography-mass spectrometry coupled to bioaffinity assessment.
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- Analytical & Bioanalytical Chemistry, 2015, v. 407, n. 23, p. 7067, doi. 10.1007/s00216-015-8867-z
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EC-SPE-stripline-NMR analysis of reactive products: a feasibility study.
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- Analytical & Bioanalytical Chemistry, 2013, v. 405, n. 21, p. 6711, doi. 10.1007/s00216-013-7158-9
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On-line electrochemistry-bioaffinity screening with parallel HR-LC-MS for the generation and characterization of modified p38α kinase inhibitors.
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- Analytical & Bioanalytical Chemistry, 2012, v. 403, n. 2, p. 367, doi. 10.1007/s00216-011-5663-2
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Studying protein-protein affinity and immobilized ligand-protein affinity interactions using MS-based methods.
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- Analytical & Bioanalytical Chemistry, 2011, v. 401, n. 4, p. 1109, doi. 10.1007/s00216-011-5207-9
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Recent developments in protein-ligand affinity mass spectrometry.
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- Analytical & Bioanalytical Chemistry, 2011, v. 399, n. 8, p. 2669, doi. 10.1007/s00216-010-4350-z
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Advances in mass spectrometry-based post-column bioaffinity profiling of mixtures.
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- Analytical & Bioanalytical Chemistry, 2011, v. 399, n. 8, p. 2655, doi. 10.1007/s00216-010-4406-0
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Development of a microfluidic confocal fluorescence detection system for the hyphenation of nano-LC to on-line biochemical assays.
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- Analytical & Bioanalytical Chemistry, 2010, v. 398, n. 7/8, p. 3023, doi. 10.1007/s00216-010-4210-x
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Development of an online p38α mitogen-activated protein kinase binding assay and integration of LC-HR-MS.
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- Analytical & Bioanalytical Chemistry, 2010, v. 398, n. 4, p. 1771, doi. 10.1007/s00216-010-4087-8
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Targeted LC–MS derivatization for aldehydes and carboxylic acids with a new derivatization agent 4-APEBA.
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- Analytical & Bioanalytical Chemistry, 2010, v. 397, n. 2, p. 665, doi. 10.1007/s00216-010-3575-1
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Novel Analytical Methods for the Discovery and Trace Analysis of Biochemically Active Compounds.
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- LC-GC Europe, 2009, v. 22, n. 6, p. 292
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Analysis of acetylcholinesterase inhibitors: bioanalysis, degradation and metabolism.
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- Biomedical Chromatography, 2011, v. 25, n. 1/2, p. 278, doi. 10.1002/bmc.1573
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High-Throughput Reaction Optimisation and Activity Screening of Ferrocene-Based Lewis Acid-Catalyst Complexes by Using Continuous-Flow Reaction Detection Mass Spectrometry.
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- Chemistry - A European Journal, 2009, v. 15, n. 30, p. 7368, doi. 10.1002/chem.200900317
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