Mussel-inspired coordination functional polymer brushes-decorated rGO-stabilized silver nanoparticles composite for antibacterial application

文献情報

出版日 2020-03-19

DOI 10.1039/D0PY00180E

インパクトファクター 5.582

著者

Haixun Ji, Linjing Liu, Sijia Feng, Yuqin Fu, Yu Yang, Changli Lü

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要旨

Functionalized GO nanosheets and their nanohybrids are demonstrated to have promising biomedical applications. In this article, we design and prepare a novel catechol-terminated copolymer (CCP) containing poly(ethylene glycol) methyl ether methacrylate (PEGMA) and 2,3-epithiopropyl methacrylate (ETMA) segments via reversible addition–fragmentation chain transfer radical polymerization. The coordination functional CCP can be easily attached to the surface of reduced graphene oxide (rGO) through mussel-inspired chemistry under mild conditions. The obtained two-dimensional CCP-rGO nanosheets are utilized as a platform to construct a CCP-rGO supported well-dispersed Ag nanoparticles composite (CCP-rGO-Ag) through in situ reduction. The as-prepared CCP-rGO-Ag nanocomposite has powerful and long-lasting antibacterial activity against G− (E. coli) and G+ (S. epidermidis and S. aureus). Compared with rGO-Ag without polymer modification, CCP-rGO-Ag has lower cytotoxicity and excellent performance due to the introduction of a hydrophilic coordination polymer. Overall, our study reveals a novel method of preparing copolymer brushes-modified rGO-based antibacterial nanomaterials and provides a feasible strategy to fight bacterial resistance threats to human health.

掲載誌

Polymer Chemistry

CiteScore: 8.6

自己引用率: 7.3%

年間論文数: 457

Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.

Mussel-inspired coordination functional polymer brushes-decorated rGO-stabilized silver nanoparticles composite for antibacterial application

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