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Abstract | Cited by

A fluorescence assay for the highly sensitive and selective detection of Hg2+ using a gold nanoparticle (AuNP)-based probe was proposed. The assay was based on the formation of Hg–Au alloys, which accelerated the oxidization of o-phenylenediamine by dissolved oxygen to produce 2,3-diaminophenazine, a fluorescent product.

Graphical abstract: Fluorescent sensing of mercury(ii) based on formation of catalytic gold nanoparticles

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