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Recyclable, Biocompatible, Magnetic Titanium Dioxide Nanoparticles with Immobilized Enzymes for Biocatalysis
Linjun Cai1, Lei Chen2, Lufeng Zhang1
1Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, 5988 Renmin Street, Chang Chun 130022 (P.R. China), Fax: (+86) 431-85095575-888.
Abstract:
Clean break: Magnetic nanoparticles are fabricated with mesoporous anatase shells, which are biocompatible for enzyme immobilization (see picture; HRP=horseradish peroxidase). The nanobiocatalyst can be easily collected with an external magnet and recycled. Immobilized enzymes with low activity after several cycles can be decomposed with UV radiation and thus the nanoparticles are recyclable for new enzyme immobilization.
