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Gold Nanoclusters for Ratiometric Sensing of pH in Extremely Acid Media

Abstract

AuNCs capped with β-nicotinamide adenine dinucleotide phosphate exhibit an outstanding performance as fluorescent pH sensors, specifically they exhibit a high emission in strong acid media and linear dependence on pH in extremely acid media (0.6‑2.7) as well as in the 7.0-9.2 pH range, while they are unresponsive at intermediate pH values. Remarkably, these AuNCs make ratiometric sensing possible in extremely acid media with a single fluorophore, specifically the nanocluster itself.

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Publication details

The article was accepted on 26 Nov 2019 and first published on 27 Nov 2019


Article type: Communication
DOI: 10.1039/C9CC08539D
Chem. Commun., 2019, Accepted Manuscript

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    Gold Nanoclusters for Ratiometric Sensing of pH in Extremely Acid Media

    A. Bonanno, I. Pérez-Herráez, E. Zaballos and J. Perez-Prieto, Chem. Commun., 2019, Accepted Manuscript , DOI: 10.1039/C9CC08539D

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