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  • Title: Ultrafast construction of 3D ultrathin NiCo-LDH@Cu heteronanosheet array by plasma magnetron sputtering for non-enzymatic glucose sensing in beverage and human serum.
    Author: Tang X, Zhang Y, Wu J, He Z, Xing Y, Yang J, Zou Z, Huang K, Yu H, Xiong X.
    Journal: Food Chem; 2022 Nov 01; 393():133399. PubMed ID: 35679705.
    Abstract:
    In this work, a 3D ultra-thin NiCo-LDH nanosheet array coated Cu nanoparticles on carbon cloth (NiCo-LDH@Cu NSA/CC) was ultrafast synthesized by plasma magnetron sputtering for the first time. This method has low toxicity and is easy to operate. As a durable and efficient 3D heteronanoarray electrocatalyst for glucose detection, NiCo-LDH@Cu NSA/CC has higher stable conductivity and faster electron transport rate than NiCo-LDH NSA/CC and Cu nanoparticles, which work through synergistic effect to form a high-performance sensing platform. The NiCo-LDH@Cu NSA/CC heteronanosheet structure has good electrocatalytic performance for glucose oxidation, with the sensitivity of the two linear ranges (0.001-1 mmol L-1 and 1-6 mmol L-1) being 9710 μA L mmol-1 cm-2 and 4870 μA L mmol-1 cm-2, respectively, and the detection limit (LOD) is 157 nmol L-1 (S/N = 3). The sensor has been successfully applied to detect glucose in beverages and serum.
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