Journal
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
Volume 364, Issue -, Pages 424-432Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jphotochem.2018.06.021
Keywords
Pyrene; Chemosensor; Copper ion; DFT calculation; Bioimaging
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Funding
- DRDO BU Centre for Life Sciences, Bharathiar University, Coimbatore, Tamilnadu, India
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A Schiff-base molecule, pyrene motif chemosensor 1 has been synthesized and performed for the fluorescent detection of Cu2+ ions via the inhibition of the photoinduced electron transfer (PET) process. Results were observed the exceptional selectivity towards Cu2+ in DMSO-H2O, (1:1 v/v, HEPES = 50 mM, pH = 7.4) and the association constant (K-a) for chemosensor 1 was binding to Cu2+ system have a value of 1.16 x 10(4) M-1. In addition, the chemosensor 1 has been used as a fluorescence probe for detecting Cu2+ ions in living cells and its binding phenomenon abilities were confirmed by bio-imaging and spectroscopic methods.
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