期刊
SENSORS AND ACTUATORS B-CHEMICAL
卷 188, 期 -, 页码 111-116出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2013.06.101
关键词
Chemodosimeter; Cyclization; Cysteine; Fluorescence; Rhodamine
资金
- National Research Foundation of Korea (NRF)
- Korean government (MEST) [NRF 2011-0028456]
We report a rhodamine-based fluorescent probe (1) for cysteine (Cys). Masked with a para-hydroxybenzyl alcohol (HBA) unit, the probe's initial weak fluorescence is converted to strong fluorescence through a series of reactions of Michael addition and intramolecular cyclization of Cys, followed by deprotection of HBA. The caged probe (1) exhibits a selective and sensitive response toward Cys over homocysteine (Hcy) and glutathione (GSH) in HEPES buffer. (C) 2013 Elsevier B.V. All rights reserved.
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