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Title of Journal: Colloid Polym Sci

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Abbravation: Colloid and Polymer Science

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Springer Berlin Heidelberg

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DOI

10.1016/0020-7225(69)90071-8

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ISSN

1435-1536

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Antimicrobial and antifouling nanocomposite hydrog

Authors: Daoyi Jiang Yanyan Zhang Fangmin Zhang Zhixiong Liu Jin Han Xuedong Wu
Publish Date: 2016/10/25
Volume: 294, Issue: 12, Pages: 2021-2028
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Abstract

A series of nanocomposite NC hydrogels containing dendritic polythioether segments were successfully prepared by free radical copolymerization Due to the multiple thioether functional groups and the strong chelating ability of the thioether groups with metal elements these hydrogels showed excellent absorption towards Ag nanoparticles The size of the Ag nanoparticles AgNPs embedded in the hydrogel matrix can be regulated by tuning the content of dendritic segments in the polymer matrix Smallsized AgNPs were formed with increasing of the content of polythioether dendrons Besides the Ag release kinetics was investigated The hydrogels containing dendrons showed higher AgNPs loading and displayed enhanced retention of nanoparticles as compared with the pristine polyNisopropyl acrylamide PNIPAM hydrogel Furthermore these NC hydrogels especially those containing dendritic segments showed much better antimicrobial performance for Escherichia coli and antialgae performance These NC hydrogels have promising applications in marine antifouling coating and interfaces of biomaterialsThe authors gratefully acknowledge financial support from the National Key Basic Research Program of China 2014CB643305 Ningbo Natural Science Foundation 2016A610258 China Postdoctoral Science Foundation funded project 2016M592023 and the Innovative Team Projects of Zhejiang Province and Ningbo City 2011R50006 2011B81001 and 2015B11003

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