Journal
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
Volume 240, Issue -, Pages 26-32Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jphotochem.2012.05.001
Keywords
Fluorescent chemodosimeter; Glycine; Mercury; Turn-on fluorescent probes; Pollen cell
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Funding
- CSIR [01(2460)/11/EMR-II]
- CSIR, New Delhi
- UGC, New Delhi
- DST
- AICTE
- UGC-SAP
- MHRD
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A new nonfluorescent benzthiazole derivative of dithio-N-phthaloylglycine was prepared, and its fluorogenic chemodosimetric behaviors toward transition metal ions were investigated. The dithio-N-phthaloylglycine derivative showed highly Hg2+-selective fluorescence enhancing (turn-on) properties in 20% aqueous acetonitrile solution (H2O/CH3CN = 80:20, v/v). The chemodosimetric behavior is based on the Hg2+ triggered desulfurization of dithio-N-phthaloylglycine derivative into its oxygen analogue. To observe the cell permeability of 3 into Pollen grains, we also employed it for the fluorescence detection of the changes of intracellular Hg2+ in cultured cells. (C) 2012 Elsevier B.V. All rights reserved.
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