Karas M - Search Results

1

Nano-liquid chromatography-direct electron ionization mass spectrometry: improving performance by a new ion source adapter.

Flender C, Wolf C, Leonhard P, Karas M. Flender C, et al. Among authors: karas m. J Mass Spectrom. 2011 Oct;46(10):1004-10. doi: 10.1002/jms.1981. J Mass Spectrom. 2011. PMID: 22012666

2

Analysis of boronic acids by nano liquid chromatography-direct electron ionization mass spectrometry.

Flender C, Leonhard P, Wolf C, Fritzsche M, Karas M. Flender C, et al. Among authors: karas m. Anal Chem. 2010 May 15;82(10):4194-200. doi: 10.1021/ac1004585. Anal Chem. 2010. PMID: 20411924

3

Identification of anhydroecgonine methyl ester N-oxide, a new metabolite of anhydroecgonine methyl ester, using electrospray mass spectrometry.

Fandiño AS, Karas M, Toennes SW, Kauert G. Fandiño AS, et al. Among authors: karas m. J Mass Spectrom. 2002 May;37(5):525-32. doi: 10.1002/jms.310. J Mass Spectrom. 2002. PMID: 12112758

4

Delayed extraction time-of-flight MALDI mass spectrometry of proteins above 25,000 Da.

Bahr U, Stahl-Zeng J, Gleitsmann E, Karas M. Bahr U, et al. Among authors: karas m. J Mass Spectrom. 1997 Oct;32(10):1111-6. doi: 10.1002/(SICI)1096-9888(199711)32:10<1111::AID-JMS567>3.0.CO;2-Y. J Mass Spectrom. 1997. PMID: 9358631

5

Structural analysis of underivatized neutral human milk oligosaccharides in the negative ion mode by nano-electrospray MS(n) (part 2: application to isomeric mixtures).

Pfenninger A, Karas M, Finke B, Stahl B. Pfenninger A, et al. Among authors: karas m. J Am Soc Mass Spectrom. 2002 Nov;13(11):1341-8. doi: 10.1016/S1044-0305(02)00646-3. J Am Soc Mass Spectrom. 2002. PMID: 12443025

6

LC-nanospray-MS/MS analysis of hydrophobic proteins from membrane protein complexes isolated by blue-native electrophoresis.

Fandiño AS, Rais I, Vollmer M, Elgass H, Schägger H, Karas M. Fandiño AS, et al. Among authors: karas m. J Mass Spectrom. 2005 Sep;40(9):1223-31. doi: 10.1002/jms.903. J Mass Spectrom. 2005. PMID: 16127664

7

Matrix optimization for matrix-assisted laser desorption/ionization mass spectrometry of oligosaccharides from human milk.

Pfenninger A, Karas M, Finke B, Stahl B, Sawatzki G. Pfenninger A, et al. Among authors: karas m. J Mass Spectrom. 1999 Feb;34(2):98-104. doi: 10.1002/(SICI)1096-9888(199902)34:2<98::AID-JMS767>3.0.CO;2-N. J Mass Spectrom. 1999. PMID: 10093211

8

Enhanced glyco-profiling by specific glycopeptide enrichment and complementary monolithic nano-LC (ZIC-HILIC/RP18e)/ESI-MS analysis.

Wohlgemuth J, Karas M, Jiang W, Hendriks R, Andrecht S. Wohlgemuth J, et al. Among authors: karas m. J Sep Sci. 2010 Mar;33(6-7):880-90. doi: 10.1002/jssc.200900771. J Sep Sci. 2010. PMID: 20222078

9

Structural analysis of underivatized neutral human milk oligosaccharides in the negative ion mode by nano-electrospray MS(n) (part 1: methodology).

Pfenninger A, Karas M, Finke B, Stahl B. Pfenninger A, et al. Among authors: karas m. J Am Soc Mass Spectrom. 2002 Nov;13(11):1331-40. doi: 10.1016/S1044-0305(02)00645-1. J Am Soc Mass Spectrom. 2002. PMID: 12443024

10

Effect of different solution flow rates on analyte ion signals in nano-ESI MS, or: when does ESI turn into nano-ESI?

Schmidt A, Karas M, Dülcks T. Schmidt A, et al. Among authors: karas m. J Am Soc Mass Spectrom. 2003 May;14(5):492-500. doi: 10.1016/S1044-0305(03)00128-4. J Am Soc Mass Spectrom. 2003. PMID: 12745218 Free article.

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