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1. Structurally Characterized Zn Selective Ratiometric Fluorescence Probe in 100 % Water for HeLa Cell Imaging: Experimental and Computational Studies.

Author

Kumari, Babli, Lohar, Sisir, Ghosh, Milan, Ta, Sabyasachi, Sengupta, Archya, Banerjee, Prajna, Chattopadhyay, Ansuman, and Das, Debasis

Subjects
*FLUORESCENT probes, *FLUORESCENCE, *NAPHTHALENE derivatives, *HELA cells, *CERVICAL cancer, *CANCER cells
Abstract

Fluorescence recognition of Zn in 100 % aqueous medium using 2-((1, 3 dihydroxy-2-(hydroxymethyl)propan-2 ylimino) methyl) phenol (SALTM) as ratiometric probe is reported. Moreover, SALTM can discriminate Zn from Cd very effectively. The binding constant and detection limit of the probe for Zn is 2.2 × 10 M and 2.79 × 10 M respectively. Interestingly, corresponding naphthalene derivative (HNTM) having less water solubility fails to be a ratiometric sensor. SALTM can detect intracellular Zn in HeLa cervical cancer cells under fluorescence microscope. Moreover, DFT and TD-DFT studies support experimental findings. [ABSTRACT FROM AUTHOR]

Published
2016
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