Conjugated microporous polymers-scaffolded enzyme cascade systems with enhanced catalytic activity - Details

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Abstract：

Enhancing　catalytic　activity　of　multi-enzyme　in　vitro　through　substrate　channeling　effect　is　promising　yet　challenging.　Herein,　conjugated　microporous　polymers　(CMPs)-scaffolded　integrated　enzyme　cascade　systems　(I-ECSs)　are　constructed　through　co-entrapping　glucose　oxidase　(GOx)　and　horseradish　peroxidase　(HRP),　in　which　hydrogen　peroxide　(H2O2)　is　the　intermediate　product.　The　interplay　of　low-resistance　mass　transfer　pathway　and　appropriate　pore　wall-H2O2　interactions　facilitates　the　directed　transfer　of　H2O2,　resulting　in　2.4-fold　and　5.0-fold　elevation　in　catalytic　activity　compared　to　free　ECSs　and　separated　ECSs,　respectively.　The　substrate　channeling　effect　could　be　regulated　by　altering　the　mass　ratio　of　GOx　to　HRP.　Besides,　I-ECSs　demonstrate　excellent　stabilities　in　harsh　environments　and　multiple　recycling.　©　2024　Dalian　Institute　of　Chemical　Physics,　the　Chinese　Academy　of　Sciences

Keyword：

Biocatalysis Conjugated microporous polymers Enzyme cascade system Immobilization Substrate channeling effect

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[ 1 ] [Wu Z.]School of Environmental Science and Engineering, Tianjin University, Tianjin, 300072, China
[ 2 ] [Shi J.]School of Environmental Science and Engineering, Tianjin University, Tianjin, 300072, China
[ 3 ] [Shi J.]Haihe Laboratory of Sustainable Chemical Transformations, Tianjin, 300192, China
[ 4 ] [Shi J.]State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China
[ 5 ] [Zhang B.]School of Environmental Science and Engineering, Tianjin University, Tianjin, 300072, China
[ 6 ] [Jiao Y.]Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China
[ 7 ] [Meng X.]College of Chemical Engineering, Fuzhou University, Fujian, Fuzhou, 350108, China
[ 8 ] [Chu Z.]School of Environmental Science and Engineering, Tianjin University, Tianjin, 300072, China
[ 9 ] [Chen Y.]School of Environmental Science and Engineering, Tianjin University, Tianjin, 300072, China
[ 10 ] [Cheng Y.]School of Environmental Science and Engineering, Tianjin University, Tianjin, 300072, China
[ 11 ] [Jiang Z.]Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China
[ 12 ] [Jiang Z.]Haihe Laboratory of Sustainable Chemical Transformations, Tianjin, 300192, China
[ 13 ] [Jiang Z.]Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Fujian, Fuzhou, 350207, China

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Conjugated microporous polymers-scaffolded enzyme cascade systems with enhanced catalytic activity
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Source ：

Chinese Journal of Catalysis

ISSN： 1872-2067

Year： 2024

Volume： 63

Page： 213-223

1 5 . 7 0 0

JCR@2023

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ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 1

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