Gas chromatography chemical ionization mass spectrometry in amino acid analysis of pyoverdins

被引：14

作者：

Dallakian, P ^{[1
]}

Budzikiewicz, H ^{[1
]}

机构：

[1] UNIV COLOGNE,INST ORGAN CHEM,D-50939 COLOGNE,GERMANY

来源：

JOURNAL OF CHROMATOGRAPHY A | 1997年 / 787卷 / 1-2期

关键词：

detection; GC; derivatization; mass spectrometry; pyoverdins; amino acids; histidine; hydroxyhistidine;

D O I：

10.1016/S0021-9673(97)00641-9

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

The application and advantages of positive chemical ionization with methane [CI(CH4)] for gas chromatography-mass spectrometry (GC-MS) of perfluoroacyl amino acid alkyl esters are discussed. All investigated amino acids show [M+H](+), [M+C2H5](+), and [(M+H)-C3H6](+). By a comparison of the electron ionization (EI) and CI(CH4) mass spectra the analysis of amino acid mixtures by GC-MS will give reliable results also in the case of isomeric compounds or of (partial) decomposition during analysis. (C) 1997 Elsevier Science B.V.

引用

页码：195 / 203

页数：9

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