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Results: 1-25/29
Authors:
Schulte-Ladbeck, R
Lindahl, R
Levin, JO
Karst, U
Citation: R. Schulte-ladbeck et al., Characterization of chemical interferences in the determination of unsaturated aldehydes using aromatic hydrazine reagents and liquid chromatography, J ENVIR MON, 3(3), 2001, pp. 306-310
Authors:
Jachmann, N
Karst, U
Citation: N. Jachmann et U. Karst, Synthesis and application of 4-(N,N-dimethylaminosulfonyl)-7-N-methylhydrazino-2,1,3-benzoxadiazole (MDBDH) as a new derivatizing agent for aldehydes, FRESEN J AN, 369(1), 2001, pp. 47-53
Authors:
Meyer, J
Karst, U
Citation: J. Meyer et U. Karst, Determination of paracetamol (acetaminophen) by HPLC with post-column enzymatic derivatization and fluorescence detection, CHROMATOGR, 54(3-4), 2001, pp. 163-167
Authors:
Diehl, G
Liesener, A
Karst, U
Citation: G. Diehl et al., Liquid chromatography with post-column electrochemical treatment and mass spectrometric detection of non-polar compounds, ANALYST, 126(3), 2001, pp. 288-290
Authors:
Meyer, J
Karst, U
Citation: J. Meyer et U. Karst, Enzyme-linked immunosorbent assays based on peroxidase labels and enzyme-amplified lanthanide luminescence detection, ANALYST, 126(2), 2001, pp. 175-178
Authors:
Diehl, G
Karst, U
Citation: G. Diehl et U. Karst, Post-column oxidative derivatization for the liquid chromatographic determination of phenothiazines, J CHROMAT A, 890(2), 2000, pp. 281-287
Authors:
Vogel, M
Potter, W
Karst, U
Citation: M. Vogel et al., Characterization of a chemical artifact in the liquid chromatographic determination of 3-butyn-2-one using the 2,4-dinitrophenylhydrazine method, J CHROMAT A, 886(1-2), 2000, pp. 303-307
Authors:
Zurek, G
Karst, U
Citation: G. Zurek et U. Karst, 2,4-dinitro-3,5,6-trideuterophenylhydrazones for the quantitation of aldehydes and ketones in air samples by liquid chromatography-mass spectrometry, J CHROMAT A, 869(1-2), 2000, pp. 251-259
Authors:
Meyer, J
Buldt, A
Vogel, M
Karst, U
Citation: J. Meyer et al., 4-(N-methylhydrazino)-7-nitro-2,1,3-benzooxadiazole (MNBDH): A novel fluorogenic peroxidase substrate, ANGEW CHEM, 39(8), 2000, pp. 1453
Authors:
Vogel, M
Buldt, A
Karst, U
Citation: M. Vogel et al., Hydrazine reagents as derivatizing agents in environmental analysis - a critical review, FRESEN J AN, 366(8), 2000, pp. 781-791
Authors:
Karst, U
Citation: U. Karst, ANAKON '99: A preview of tomorrow's Analytical Chemistry, FRESEN J AN, 366(4), 2000, pp. 323-323
Authors:
Effkemann, S
Brodsgaard, S
Mortensen, P
Linde, SA
Karst, U
Citation: S. Effkemann et al., Spectrophotometric and direct-reading methods for the analysis of gas phase peroxyacetic acid, FRESEN J AN, 366(4), 2000, pp. 361-364
Authors:
Zurek, G
Buldt, A
Karst, U
Citation: G. Zurek et al., Determination of acetaldehyde in tobacco smoke using N-methyl-4-hydrazino-7-nitrobenzofurazan are liquid chromatography/mass spectrometry, FRESEN J AN, 366(4), 2000, pp. 396-399
Authors:
Kempter, C
Potter, W
Binding, N
Klaning, H
Witting, U
Karst, U
Citation: C. Kempter et al., Tailor-made derivatizing agents for carbonyl compounds using liquid chromatography, ANALYT CHIM, 410(1-2), 2000, pp. 47-64
Authors:
Meyer, J
Karst, U
Citation: J. Meyer et U. Karst, Peroxidase enhanced lanthanide luminescence - a new technique for the evaluation of bioassays, ANALYST, 125(9), 2000, pp. 1537-1538
Authors:
Kempter, C
Karst, U
Citation: C. Kempter et U. Karst, Determination of carbonyl compounds in waters using triazine-based hydrazine reagents and liquid chromatography, ANALYST, 125(3), 2000, pp. 433-438
Authors:
Zurek, G
Karst, U
Citation: G. Zurek et U. Karst, Liquid chromatography-mass spectrometry method for the determination of aldehydes derivatized by the Hantzsch reaction, J CHROMAT A, 864(2), 1999, pp. 191-197
Authors:
Effkemann, S
Brodsgaard, S
Mortensen, P
Linde, SA
Karst, U
Citation: S. Effkemann et al., Determination of gas phase peroxyacetic acid using pre-column derivatization with organic sulfide reagents and liquid chromatography, J CHROMAT A, 855(2), 1999, pp. 551-561
Authors:
Kempter, C
Zurek, G
Karst, U
Citation: C. Kempter et al., Determination of carbonyls using liquid chromatography-mass spectrometry with atmospheric pressure chemical ionization, J ENVIR MON, 1(4), 1999, pp. 307-311
Authors:
Buldt, A
Lindahl, R
Levin, JO
Karst, U
Citation: A. Buldt et al., A diffusive sampling device for the determination of formaldehyde in air using N-methyl-4-hydrazino-7-nitrobenzofurazan (MNBDH) as reagent, J ENVIR MON, 1(1), 1999, pp. 39-43
Authors:
Harms, D
Than, R
Krebs, B
Karst, U
Citation: D. Harms et al., Flow injection analysis of hydrogen peroxide in disinfectants, FRESEN J AN, 364(1-2), 1999, pp. 184-188
Authors:
Sievers, RE
Karst, U
Milewski, PD
Sellers, SP
Miles, BA
Schaefer, JD
Stoldt, CR
Xu, CY
Citation: Re. Sievers et al., Formation of aqueous small droplet aerosols assisted by supercritical carbon dioxide, AEROS SCI T, 30(1), 1999, pp. 3-15
Authors:
Buldt, A
Karst, U
Citation: A. Buldt et U. Karst, N-methyl-4-hydrazino-7-nitrobenzofurazan as a new reagent for air monitoring of aldehydes and ketones, ANALYT CHEM, 71(9), 1999, pp. 1893-1898
Authors:
Buldt, A
Karst, U
Citation: A. Buldt et U. Karst, Determination of nitrite in waters by microplate fluorescence spectroscopyand HPLC with fluorescence detection, ANALYT CHEM, 71(15), 1999, pp. 3003-3007
Authors:
Harms, D
Meyer, J
Westerheide, L
Krebs, B
Karst, U
Citation: D. Harms et al., Determination of glucose in soft drinks using its enzymatic oxidation and the detection of formed hydrogen peroxide with a dinuclear iron(III) complex, ANALYT CHIM, 401(1-2), 1999, pp. 83-90