Journal
BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN
Volume 89, Issue 7, Pages 754-761Publisher
CHEMICAL SOC JAPAN
DOI: 10.1246/bcsj.20150427
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Funding
- CSIR, New Delhi [01(2709)/13/EMR-II]
- UGC-BSR
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The present communication incorporates utilization of a simple Schiff base (RO) fruitfully for the turn off-on successive fluorescent recognition of Cu2+ and Cys in aqueous media. The single crystal of RO-Cu2+ ensemble revealed a binding pattern which ultimately leads to quenching of the green fluorescence of RO. Interestingly the quenched fluorescence of the RO-Cu2+ ensemble was revived selectively in the presence of Cys via Cu2+ displacement approach. The selective off-on behavior of RO towards Cu2+ and Cys was consequently used as inputs to build up an implication (IMP) logic gate. Moreover, the RO exhibited successful bio-imaging of Cu2+ and Cys also in E. coli cells.
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