LC Analysis of Aliphatic Primary Amines and Diamines After Derivatization with 2,6-Dimethyl-4-quinolinecarboxylic Acid N-Hydroxysuccinimide Ester
文献类型: 外文期刊
第一作者: Huang, Ke-Jing
作者: Huang, Ke-Jing;Wei, Cai-Yun;Xie, Wan-Zhen;Liu, Yan-Ming;Chen, Yong-Hong;Zhang, Jun-Feng
作者机构:
关键词: Column liquid chromatography;Fluorescence detection;Aliphatic primary;amines and diamines;2;6-Dimethyl-4-quinolinecarboxylic acid;N-hydroxysuccinimide ester
期刊名称:CHROMATOGRAPHIA ( 影响因子:2.044; 五年影响因子:1.725 )
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收录情况: SCI
摘要: A method for sensitive simultaneous analysis of aliphatic primary amines and diamines has been developed and validated. The compounds were analyzed by reversed-phase high-performance liquid chromatography after pre-column derivatization with 2,6-dimethyl-4-quinolinecarboxylic acid N-hydroxysuccinimide ester as fluorescent probe. The derivatization reaction was performed at 50 A degrees C for 40 min in 0.1 mol L-1 borax buffer solution (pH 7.5). The resulting fluorophores were separated to baseline on a C-18 column and fluorimetrically detected at lambda (ex)/lambda (em) = 326/409 nm. Detection limits were in the range 0.50-0.02 nmol L-1. The method was successfully used for analysis of aliphatic amines in water, human urine, and serum.
分类号: O65
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