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  • Title: GOx@ZIF-8(NiPd) Nanoflower: An Artificial Enzyme System for Tandem Catalysis.
    Author: Wang Q, Zhang X, Huang L, Zhang Z, Dong S.
    Journal: Angew Chem Int Ed Engl; 2017 Dec 11; 56(50):16082-16085. PubMed ID: 29119659.
    Abstract:
    We report a facile approach to prepare an artificial enzyme system for tandem catalysis. NiPd hollow nanoparticles and glucose oxidase (GOx) were simultaneously immobilized on the zeolitic imidazolate framework 8 (ZIF-8) via a co-precipitation method. The as-prepared GOx@ZIF-8(NiPd) nanoflower not only exhibited the peroxidase-like activity of NiPd hollow nanoparticles but also maintained the enzymatic activity of GOx. A colorimetric sensor for rapid detection of glucose was realized through the GOx@ZIF-8(NiPd) based multi-enzyme system. Moreover, the GOx@ZIF-8(NiPd) modified electrode showed good bioactivity of GOx and high electrocatalytic activity for the oxygen reduction reaction (ORR), which could also be used for electrochemical detection of glucose.
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