IMECH-IR  > 国家微重力实验室
LASER-INDUCED FLUORESCENCE DETECTION OF COPPER ION WITH A RHODAMINE DERIVATIVE BY A CAPILLARY ELECTROPHORESIS MICROCHIP
Yu Y(于泳); Yang M; Shen F; Yu, Y (reprint author), Chinese Acad Sci, Natl Micrograv Lab, Inst Mech, Beijing 100190, Peoples R China.
Source PublicationICNMM 2009, PTS A-B
2009
Conference Name7th International Conference on Nanochannels, Microchannels and Minichannels
Conference DateJUN 22-24, 2009
Conference PlacePohang, SOUTH KOREA
AbstractA capillary electrophoresis microchip system with a confocal LIF detector was successfully constructed. RBPhOH, a new fluorescence dye synthesized from rhodamine B, was first investigated in a glass microchip for the selective and sensitive determination of copper ion by LIP method. The influences of the pH value, concentration of running buffer, detection voltage, and sample loading time on the response of LIP detector were studied. RBPhOH dissolved in 20 mM pH 6.0 Tris containing 10% acetonitrile could detect copper ions with a detection limit of 1.34x10-7 mol L(-1) (S/N=3), an order of magnitude lower than those of conductivity detectors.
WOS IDWOS:000286415600088
ISBN978-0-7918-4349-9
URL查看原文
Indexed ByCPCI-S ; EI
Language英语
Citation statistics
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58881
Collection国家微重力实验室
Corresponding AuthorYu, Y (reprint author), Chinese Acad Sci, Natl Micrograv Lab, Inst Mech, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Yu Y,Yang M,Shen F,et al. LASER-INDUCED FLUORESCENCE DETECTION OF COPPER ION WITH A RHODAMINE DERIVATIVE BY A CAPILLARY ELECTROPHORESIS MICROCHIP[C]. NEW YORK:AMER SOC MECHANICAL ENGINEERS,2009.
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