Journal
RSC ADVANCES
Volume 6, Issue 46, Pages 39657-39662Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ra05650d
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Funding
- UGC
- CSIR, New Delhi
- SERB-DST [SR/S1/OC-101/2012]
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A 4-(naphthalen-1-ylethynyl) aniline appended rhodamine based fluorescent chemosensor 'NAP-RD' is synthesized which undergoes through bond energy transfer in the presence of Sn2+ ions in mixed aqueous media. NAP-RD is an excellent colorimetric and fluorescence ratiometric probe which recognizes traces of Sn2+ in real samples and a fluorescence indicator in living RAW264.7 cells. The new sensing probe NAP-RD shows higher sensitivity as well as faster response compared to the reported systems. The detection limit of NAP-RD is 5 x 10(-9) M. DFT studies strongly support the experimental results.
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