Iridium Ruthenium Alloy/Iridium Oxide Biomimetic Nanozyme | Palladium Nanozyme | GMP-Pd Nanozyme | Gold-Palladium Composite Nanozyme | Ternary Metal Pd-M-Ir Nanozyme |shell nanozyme

Introduction of hollow gold-platinum alloy nanocaged core-polyhollow silica shell nanozyme

A hollow gold-platinum alloy nano-cage core hollow silica shell nanozyme, a preparation method and application thereof, and belong to the field of nanomaterials. The invention obtains hollow gold by etching gold-core-platinum-shell nanostructures with potassium chloroplatinateplatinum alloy nanocages; and then using tetraethyl silicate to coat silica on its surface, finally a nanozyme with a round rod-shaped hollow gold-platinum alloy nanocages as the core and a silica shell outside the core is obtained;The length is 80100nm, the diameter is 2025nm; the shell has a 35nm pore. The nanozyme is negatively charged. Through the attraction of positive and negative charges, it can bind to antigens to form nanozyme-labeled antigen complexes for enzyme-linked immunoassay. The present inventionThe nanozyme reduces the cost of natural enzyme-labeled antigen complex reagents, extends the working environment of ELISA, overcomes the shortcomings of natural enzymes such as easy inactivation and variability, and can be widely used in various ELISAs.

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Qi Yue Xiaobian axc.2022.08.09