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A simple, selective and sensitive “signal‐on” electrogenerated chemiluminescence (ECL) biosensing method was developed for matrix metalloproteinase 2 (MMP‐2). Ru(bpy)32+, gold nanoparticles (AuNPs) and Nafion were modified onto glassy carbon electrode (GCE) to form Ru(bpy)32+/AuNPs/Nafion/GCE as sensitive ECL platform and then ferrocene (Fc) labeled peptide was assembled onto the modified electrode...
A single particle‐based confocal laser scanning microscopy was developed for the visual detection of copper ions in confined space. A fluorescence microparticle, named AuNCs/ZIF‐8, was synthesized by coating gold nanoclusters (AuNCs) onto the outer surface of zeolitic imidazolate framework‐8 (ZIF‐8). The morphology and solid‐state fluorescence property of AuNCs/ZIF‐8 were characterized by scanning...
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