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241017s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.4c02852
|2 doi
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|a pubmed24n1592.xml
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|a (NLM)39413434
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Chang, Xiang-Lei
|e verfasserin
|4 aut
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| 245 |
1 |
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|a In Situ Biomineralization and Citric Acid Etching Strategy for Enhancing Activity of Immobilized Acetylcholinesterase
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 29.10.2024
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|a Date Revised 05.11.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Enhancing the structural stability of an enzyme and maintaining its catalytic activity are effective ways to improve enzyme utilization and reduce the cost of drug screening. However, immobilized enzyme activity tends to decrease in existing immobilization techniques due to conformational changes and microenvironmental restrictions. In this paper, we present a facile approach to prepare immobilized acetylcholinesterase (AChE) with high activity by a ZIF-8 in situ immobilization and citric acid (CA) etching strategy. CA breaks the coordination bond of ZIF-8 and produces defects, expanding the pore space, improving substrate accessibility, and fully exposing the active site of the enzyme. The enhancement of the catalytic activity of AChEZIF-8-CA was about 6.10-fold compared with the free enzyme. In addition, AChE@ZIF-8-CA exhibited an excellent encapsulation efficiency and good tolerance to temperature, pH, and organic solvents. The relative activity remains at the initial 83.77% even in five repeated experiments. The strategy provides a novel and efficient way to quickly construct highly active immobilized enzymes under mild conditions
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|a Journal Article
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|a Citric Acid
|2 NLM
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|a 2968PHW8QP
|2 NLM
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|a Enzymes, Immobilized
|2 NLM
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|a Acetylcholinesterase
|2 NLM
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|a EC 3.1.1.7
|2 NLM
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| 700 |
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|a Zhang, Xin-Ru
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Qiang, Yin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cao, Yong-Hong
|e verfasserin
|4 aut
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| 700 |
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|a Shang, Xian-Yi
|e verfasserin
|4 aut
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|a Wang, Wei-Feng
|e verfasserin
|4 aut
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| 700 |
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|a Yang, Jun-Li
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1999
|g 40(2024), 43 vom: 29. Okt., Seite 22794-22802
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:40
|g year:2024
|g number:43
|g day:29
|g month:10
|g pages:22794-22802
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|u http://dx.doi.org/10.1021/acs.langmuir.4c02852
|3 Volltext
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