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Chemphyschem. 2017 Jul 5;18(13):1752-1754. doi: 10.1002/cphc.201601348. Epub 2017 Feb 15.

Colorimetric Detection of Thiophenol Based on a Phenolphthalein Derivative and Its Application as a Molecular Logic Gate.

Author information

1
Department of Chemstry and Nano Science, Ewha Womans University, Seoul, 120-750, Korea.
2
School of Mechanical Engineering, Sungkyunkwan University, Suwon, 440-746, Korea.

Abstract

A phenolphthalein-based colorimetric probe bearing a dinitrobenzene group is reported as a thiophenol (PhSH)-selective chemodosimeter. PhSH can react with chemodosimeter 1 to afford phenolphthalein. The addition of PhSH to the aqueous solution of 1 followed by a change in pH of the resulting solution to basic induces a selective color change from colorless to pink. Furthermore, using PhSH and base as inputs and color change of 1 by naked eye as an output, leads to the construction of an AND logic gate.

KEYWORDS:

chemodosimeter; colorimetric sensor; molecular logic gate; phenolphthalein; thiophenol detection

PMID:
28185359
DOI:
10.1002/cphc.201601348
[Indexed for MEDLINE]

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