期刊
ANALYTICAL SCIENCES
卷 25, 期 6, 页码 829-832出版社
JAPAN SOC ANALYTICAL CHEMISTRY
DOI: 10.2116/analsci.25.829
关键词
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资金
- Japan Society for the Promotion of Science, [17390013]
- Central Research Institute of Fukuoka University [076007]
An LC postcolumn derivatization method for determination of polythiols has been developed. This method involves separation using reversed-phase LC, postcolumn derivatization with N-(1-pyrenyl)maleimide, and excimer fluorescence detection. Analytes with a polythiol structure were converted into corresponding polypyrene-labeled derivatives, and the derivatives exhibited intramolecular excimer fluorescence (440 - 520 nm). In this study, dimercaprol and dithiothreitol were used as model polythiols. This polythiol analysis method is simple; it is also highly selective and sensitive and yields good calibration curves.
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