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A Colorimetric Assay for the Detection of Glucose and H2O2 Based on Cu-Ag/g-C3N4/ZIF Hybrids with Superior Peroxidase Mimetic Activity.

ABSTRACT: In this work, we report the synthesis of Cu-Ag bimetallic nanopartiles and g-C3N4 nanosheets decorated on zeolitic imidazolate framework-8 (ZIF-8) to form a Cu-Ag/g-C3N4/ZIF hybrid. The hybrid was synthesized and characterized by Transmission electron microscopy (TEM), Fourier transformed infrared (FTIR), the X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). The Cu-Ag/g-C3N4/ZIF hybrid has intrinsic peroxidaselike catalytic activity towards the oxidation of TMB in the presence of H2O2. The situ synthesis of Cu-Ag bimetallic nanopartiles on 2D support such as g-C3N4 nanosheets would significantly enhance the peroxidaselike catalytic properties of individual Cu-Ag bimetallic nanopartiles and the g-C3N4 nanosheets. After loading of Cu-Ag bimetallic nanopartiles and g-C3N4 nanosheets on the ZIF-8, the hybrids exhibited superior peroxidaselike catalytic activity and good recyclability. Then, this method was applied for detecting glucose in human serum, owing the significant potential for detection of metabolites with H2O2-generation reactions.

SUBMITTER: Pan Q 

PROVIDER: S-EPMC7583779 | biostudies-literature | 2020 Sep

REPOSITORIES: biostudies-literature

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A Colorimetric Assay for the Detection of Glucose and H<sub>2</sub>O<sub>2</sub> Based on Cu-Ag/g-C<sub>3</sub>N<sub>4</sub>/ZIF Hybrids with Superior Peroxidase Mimetic Activity.

Pan Quan Q   Kong Yuelin Y   Chen Kuan K   Mao Mi M   Wan Xiaohui X   She Xiaoyan X   Gao Qingsong Q   He Yu Y   Song Gongwu G  

Molecules (Basel, Switzerland) 20200927 19

In this work, we report the synthesis of Cu-Ag bimetallic nanopartiles and g-C<sub>3</sub>N<sub>4</sub> nanosheets decorated on zeolitic imidazolate framework-8 (ZIF-8) to form a Cu-Ag/g-C<sub>3</sub>N<sub>4</sub>/ZIF hybrid. The hybrid was synthesized and characterized by Transmission electron microscopy (TEM), Fourier transformed infrared (FTIR), the X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). The Cu-Ag/g-C<sub>3</sub>N<sub>4</sub>/ZIF hybrid has intrinsic peroxidaselik  ...[more]

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