Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 133, Issue 4, Pages 660-663Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja107086y
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Funding
- National Science Foundation of China [50873086, 20974028]
- Ministry of Science and Technology of China [2009CB623605]
- Research Grants Council of Hong Kong [603008]
- University Grants Committee of Hong Kong [AoE/P-03/08]
- Cao Guangbiao Foundation of Zhejiang University
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A conceptually new light-up biosensor with a high specificity for D-glucose (Glu) in aqueous media has been developed. The emission from a tetraphenylethene (TPE)-cored diboronic acid (1) was greatly boosted when the fluorogen was oligomerized with Glu because of restriction of the intramolecular rotations of the aryl rotors of TPE by formation of the oligomer. Little change in the light emission was observed when 1 was mixed with D-fructose, D-galactose, or D-mannose, as these saccharides are unable to oligomerize with the fluorogen.
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