期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 80, 期 17, 页码 8530-8538出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.joc.5b01141
关键词
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资金
- UGC, New Delhi, India
- CSIR of India
- SERB-DST [SR/S1/OC-101/2012]
A systematic journey from O-donor through S-donor to N-donor chelator led to the development of a highly selective Au3+ chemosensor that operates via a CHEF-induced FRET mechanism. This sensing protocol avoids unwanted possible side reactions observed in alkyne-based gold sensors. DFT studies strongly support the experimental facts. The probe RT-2 detects Au3+ in the presence of the masking agent KI to minimize He interference; however, RQ-2 selectively detects Au3+ without any interference and shows reversibility in the sensing in the presence of tetrabutylammonium cyanide. The probe efficiently images Au3+ in living HeLa cells under a fluorescence microscope.
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