Enzyme-Nanowire Mesocrystal Hybrid Materials with an Extremely High Biocatalytic Activity.

Li, Galong; Ma, Pei; He, Yuan; Zhang, Yifan; Luo, Yane; Zhang, Ce; Fan, Haiming · Nano Lett · 2018

basic_science · Level V

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Abstract

The laccase-Cu<sub>2</sub>O-nanowire mesocrystal hybrid materials were developed with a superior catalytic activity inspired by natural biocatalysis processes in living cells that highly resemble the metal ions activation and the well-organized spatial structure of the natural rough endoplasmic reticulum. The enzyme and nanobiocatalyst activities of the obtained hybrid material exhibited an approximate 10-fold and 2.2-fold increase than the free enzyme, surpassing the currently available nanobiocatalysts. The comprehensive catalytic performance of the hybrid materials has been further demonstrated using a prototype continuous-flow reactor for the bioremediation of 2,4-dichlorophenol-contaminated water, which showed a high degradation efficiency and remarkable reusability. These new highly efficient nanobiocatalysts are expected to be used for diverse applications in biotechnology, biosensing, and environmental remediation.

Medical subject headings