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Platinum nanoparticles (Pt NPs) covered with a bovine serum albumin scaffold and a particle size of 1.5 nm (BSA-PtS NPs) are shown to display enhanced multiple enzyme-mimicking activities including peroxidase, oxidase, and catalase-like activities. The peroxidase-like activity is characterized by robustness and low signal background. BSA-PtS NPs were used to design colorimetric assays for H2O2 and...
A hybrid material composed of graphitic carbon nitride (g-C3N4) and platinum nanoparticles (PtNPs) with peroxidase mimicking activity was used to design a rapid, sensitive and low-cost colorimetric method for the determination of Ag(I). The g-C3N4-PtNPs hybrid was synthesized by reduction of chloroplatinic acid using sodium borohydride under ultrasonication and in the presence of g-C3N4. The hybrid...
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