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Proceedings Paper

A LED-induced capillary fluorescent detection device designed for the space lab
Author(s): Xiao-qiong Li; Xiao-ming Hu; Zhi-guang Zhang; Yu-lin Deng
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Paper Abstract

For the using of space lab, a miniaturized low-power light-emitting diode-induced fluorescence (LED-IF) detector for capillary electrophoresis was constructed and evaluated. In this work, a more efficient exciting light source based on Led was developed and a convenient detect plate was produced to release the problem of focusing LED light into a spot with a diameter less than 100μm.besides these, all closed structure was used to avoid light cluster, and photomultiplier tube was used to be detector.for the reason of power and flexible, the ultra-low Power MCU(MSP430F449) was used to complete signal processing. The system exhibited the result in the concentration range of 1.0×10-6 to 1×10-7Mol/L.

Paper Details

Date Published: 17 November 2010
PDF: 6 pages
Proc. SPIE 7847, Optoelectronic Devices and Integration III, 784726 (17 November 2010); doi: 10.1117/12.869788
Show Author Affiliations
Xiao-qiong Li, Beijing Institute of Technology (China)
Xiao-ming Hu, Beijing Institute of Technology (China)
Zhi-guang Zhang, Beijing Institute of Technology (China)
Yu-lin Deng, Beijing Institute of Technology (China)


Published in SPIE Proceedings Vol. 7847:
Optoelectronic Devices and Integration III
Xuping Zhang; Hai Ming; Alan Xiaolong Wang, Editor(s)

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