Dual-emitting zein-protected gold nanoclusters for ratiometric fluorescence detection of Hg2+/Ag+ ions in both aqueous solution and self-assembled protein film

The use of plant protein for the preparation of fluorescent gold nanoclusters (FGCs) is highly desirable owing to its abundance, low-cost, sustainability, and hypoallergenicity compared with protein from animals or microorganisms. In this work, zein, a protein derived from corn, was used as both a p...

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