Journal
CHINESE CHEMICAL LETTERS
Volume 19, Issue 11, Pages 1333-1336Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.cclet.2008.06.057
Keywords
Microfluidic chip; Laser-induced fluorescence (LIF); Capacitively coupled contactless-conductivity detection ((CD)-D-4)
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A combined detection system involving simultaneous LIF and contactless-conductometric measurements at the same place of the microfluidic chip was described. The LIF measurement was designed according to the confocal principle and a moveable contactless-conductivity detector was used in (CD)-D-4. Both measurements were mutually independent and advantageous in analyses of mixtures. Various experimental parameters affecting the response were examined and optimized. The performances were demonstrated by simultaneous detection of Rhodamine B. And the results showed that the combined detection system could be used sensitively and reliably. (C) 2008 Yong Yu. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.
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