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Proceedings Paper

Luminescent sensing of dissolved oxygen based on Ru(II) complex embedded in sol-gel matrix
Author(s): Yubing Bi; Wei Tao; Yanli Hu; Yimei Mao; Hui Zhao
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Paper Abstract

In biological cells and tissues environment, real-time monitoring and controlling dissolved oxygen (DO) provides critical information for studying cellular metabolism process, health status and pathological features. This paper developed an optical DO sensor based on fluorescence quenching principle, prepared tris(4,7-diphenyl-1,10- phenanthroline)ruthenium(II) dichloride complex sol-gel sensing film, and studied its sensing performance. The principle of this sensor is that dissolved oxygen has quenching effect towards the fluorescence emitted by ruthenium complex. So the fluorescence intensity is reduced due to the existence of DO. The measurement limit of DO was 10- 100%, the response time was 20s, and the resolution was 0.02. Compared to traditional dissolved oxygen electrode probe, this luminescent fiber had many advantages, such as smaller size, shorter response time and higher stability.

Paper Details

Date Published: 5 November 2015
PDF: 6 pages
Proc. SPIE 9795, Selected Papers of the Photoelectronic Technology Committee Conferences held June–July 2015, 979520 (5 November 2015); doi: 10.1117/12.2216443
Show Author Affiliations
Yubing Bi, Shanghai Jiao Tong Univ. (China)
Wei Tao, Shanghai Jiao Tong Univ. (China)
Yanli Hu, Shanghai Jiao Tong Univ. (China)
Yimei Mao, Shanghai Jiao Tong Univ. (China)
Hui Zhao, Shanghai Jiao Tong Univ. (China)


Published in SPIE Proceedings Vol. 9795:
Selected Papers of the Photoelectronic Technology Committee Conferences held June–July 2015
Shenggang Liu; Songlin Zhuang; Michael I. Petelin; Libin Xiang, Editor(s)

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