Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/13355
Title: Responsive two-photon induced europium emission as fluorescent indicator for paralytic shellfish saxitoxin
Authors: He, S
Li, H
Yip, YW
Yeung, CT
Fung, YO
Kong, HK
Yeung, HL
Law, GL 
Wong, KL
Lee, CS
Lam, MHW
Murphy, MB
Lam, PKS
Wong, WT 
Issue Date: 2011
Publisher: American Chemical Society
Source: Organic letters, 2011, v. 13, no. 19, p. 5036-5039 How to cite?
Journal: Organic letters 
Abstract: A water-soluble europium(III) complex (1) has been synthesized and demonstrated to be a specific fluorescence probe for the paralytic shellfish toxin saxitoxin, a neurotoxin that blocks the voltage-gated sodium channels on cell membranes. Saxitoxin binds to the europium complex (K B = 6.1×10 4 M -1) and triggers a two-photon induced f-f emission enhancement by over 100% and increases the two-photon absorption crosssection from 9 to 36 GM.
URI: http://hdl.handle.net/10397/13355
ISSN: 1523-7060
EISSN: 1523-7052
DOI: 10.1021/ol2018246
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