Karst U - Search Results

1

Determination of biogenic amines in food samples using derivatization followed by liquid chromatography/mass spectrometry.

Bomke S, Seiwert B, Dudek L, Effkemann S, Karst U. Bomke S, et al. Among authors: karst u. Anal Bioanal Chem. 2009 Jan;393(1):247-56. doi: 10.1007/s00216-008-2420-2. Epub 2008 Oct 9. Anal Bioanal Chem. 2009. PMID: 18843485

2

Determination of nitrite in waters by microplate fluorescence spectroscopy and HPLC with fluorescence detection.

Büldt A, Karst U. Büldt A, et al. Among authors: karst u. Anal Chem. 1999 Aug 1;71(15):3003-7. doi: 10.1021/ac981330t. Anal Chem. 1999. PMID: 10450150

3

Determination of gas phase peroxyacetic acid using pre-column derivatization with organic sulfide reagents and liquid chromatography.

Effkemann S, Brødsgaard S, Mortensen P, Linde SA, Karst U. Effkemann S, et al. Among authors: karst u. J Chromatogr A. 1999 Sep 10;855(2):551-61. doi: 10.1016/s0021-9673(99)00734-7. J Chromatogr A. 1999. PMID: 10519092

4

Liquid chromatography-mass spectrometry method for the determination of aldehydes derivatized by the Hantzsch reaction.

Zurek G, Karst U. Zurek G, et al. Among authors: karst u. J Chromatogr A. 1999 Dec 24;864(2):191-7. doi: 10.1016/s0021-9673(99)01041-9. J Chromatogr A. 1999. PMID: 10669286

5

2,4-Dinitro-3,5,6-trideuterophenylhydrazones for the quantitation of aldehydes and ketones in air samples by liquid chromatography-mass spectrometry.

Zurek G, Karst U. Zurek G, et al. Among authors: karst u. J Chromatogr A. 2000 Feb 11;869(1-2):251-9. doi: 10.1016/s0021-9673(99)01240-6. J Chromatogr A. 2000. PMID: 10720241

6

Post-column oxidative derivatization for the liquid chromatographic determination of phenothiazines.

Diehl G, Karst U. Diehl G, et al. Among authors: karst u. J Chromatogr A. 2000 Aug 25;890(2):281-7. doi: 10.1016/s0021-9673(00)00607-5. J Chromatogr A. 2000. PMID: 11009031

7

Spectrophotometric and direct-reading methods for the analysis of gas phase peroxyacetic acid.

Effkemann S, Brødsgaard S, Mortensen P, Linde SA, Karst U. Effkemann S, et al. Among authors: karst u. Fresenius J Anal Chem. 2000 Feb;366(4):361-4. doi: 10.1007/s002160050073. Fresenius J Anal Chem. 2000. PMID: 11220319

8

Determination of acetaldehyde in tobacco smoke using N-methyl-4-hydrazino-7-nitrobenzofurazan and liquid chromatography/mass spectrometry.

Zurek G, Büldt A, Karst U. Zurek G, et al. Among authors: karst u. Fresenius J Anal Chem. 2000 Feb;366(4):396-9. doi: 10.1007/s002160050081. Fresenius J Anal Chem. 2000. PMID: 11220327

9

Determination of carbonyls using liquid chromatography-mass spectrometry with atmospheric pressure chemical ionization.

Kempter C, Zurek G, Karst U. Kempter C, et al. Among authors: karst u. J Environ Monit. 1999 Aug;1(4):307-11. doi: 10.1039/a902766a. J Environ Monit. 1999. PMID: 11529127

10

Reaction monitoring of enzyme-catalyzed ester cleavage by time-resolved fluorescence and electrospray mass spectrometry: method development and comparison.

Steinkamp T, Liesener A, Karst U. Steinkamp T, et al. Among authors: karst u. Anal Bioanal Chem. 2004 Feb;378(4):1124-8. doi: 10.1007/s00216-003-2283-5. Epub 2003 Oct 25. Anal Bioanal Chem. 2004. PMID: 14579011

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