DETECTION OF COPPER ION WITH LASER-INDUCED FLUORESCENCE IN A CAPILLARY ELECTROPHORESIS MICROCHIP

被引：14

作者：

Yang, Meng ^{[1
]}

Yu, Yong ^{[1
]}

Shen, Feng ^{[1
]}

Dierks, Karsten ^{[2
]}

Fang, Weihai ^{[3
]}

Li, Qinglong ^{[3
]}

机构：

[1] Chinese Acad Sci, Inst Mech, Key Lab Micrograv, Lab Natl Micrograv, Beijing 100190, Peoples R China

[2] Dierks Partner Syst Tech, Hamburg, Germany

[3] Beijing Normal Univ, Coll Chem, Beijing 100875, Peoples R China

来源：

ANALYTICAL LETTERS | 2010年 / 43卷 / 18期

关键词：

Capillary electrophoresis microchip; Copper ion; Laser-induced fluorescence; CONTACTLESS CONDUCTIVITY DETECTOR; ATOMIC-ABSORPTION-SPECTROMETRY; SELECTIVE DETECTION; METAL-IONS; RHODAMINE; CHEMOSENSOR; SENSOR; PROBE; ACID; FE;

D O I：

10.1080/00032711003763657

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A capillary electrophoresis microchip coupled with a confocal laser-induced fluorescence (LIF) detector was successfully constructed for the analysis of trace amounts of heavy metals in environmental sources. A new fluorescence dye, RBPhOH, synthesized from rhodamine B, was utilized in a glass microchip to selectively determine copper with high sensitivity. A series of factors including running buffer concentration, detection voltage, and sample loading time were optimized for maximum LIF detector response and, hence, method sensitivity. © Taylor & Francis Group, LLC.

引用

页码：2883 / 2891

页数：9

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