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One- and Two-photon Fluorescent Probe for Cysteine and Homocysteine with Large Emission Shift
Department of Chemistry, National University of Singapore.
Department of Chemistry, National University of Singapore.
Department of Chemistry, National University of Singapore.
Department of Chemistry, National University of Singapore.
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2009 (English)In: Organic Letters, ISSN 1523-7060, E-ISSN 1523-7052, Vol. 11, no 6, 1257-1260 p.Article in journal (Refereed) Published
Abstract [en]

A novel dendritic chromophore with efficient intramolecular charge transfer (ICT) and strong two-photon absorption (TPA) was designed as a turn-on fluorescent probe for cysteine (Cys) and homocysteine (Hcy). The probe exhibited greatly enhanced fluorescence intensity as well as a very large emission peak shift (165 nm) upon addition of Cys/Hcy due to ICT switch off. The sensing process was also monitored by two-photon excited fluorescence (TPEF).

Place, publisher, year, edition, pages
American Chemical Society (ACS), 2009. Vol. 11, no 6, 1257-1260 p.
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Natural Sciences Chemical Sciences
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URN: urn:nbn:se:liu:diva-90604DOI: 10.1021/ol802979nOAI: oai:DiVA.org:liu-90604DiVA: diva2:613854
Available from: 2013-04-02 Created: 2013-04-02 Last updated: 2017-12-06

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Zhang, Xuanjun

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