ZnO nanoparticle modified chitosan/borosilicate bioglass composite scaffold for inhibiting bacterial infection and promoting bone regeneration

Dewei Qiu, Ping Zhou, Jiawei Kang, Zhijun Chen, Zhiyong Xu, Hanwen Yang, Jun Tao, Fanrong Ai

Journal:Biomedical Materials

IF:4.1

DOI:10.1088/1748-605X/ac99c5

PMID:

Published:2022-11-17

research field:生物材料生物医学工程材料科学组织工程

Abstract

The treatment of implant-associated bone infection remains a significant clinical challenge. However, bone scaffolds with antimicrobial activity and osteoinductive properties can prevent these infections and improve clinical outcomes. In this study, borosilicate bioglass and chitosan composite scaffolds were prepared, and then the surface was modified with nano-zinc oxide. In vitro and in vivo experiments showed that the chitosan/borosilicate bioglass scaffolds have good degradation and osteogenic properties, while the oxidized Zinc scaffolds have better antibacterial properties.

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