热重分析
丝绸
纳米颗粒
涂层
热稳定性
材料科学
化学工程
抗菌活性
傅里叶变换红外光谱
纳米技术
核化学
化学
复合材料
工程类
生物
细菌
遗传学
作者
Zhisong Lu,Cuiping Mao,Mei Meng,Sangui Liu,YunLi Tian,Ling Yu,Bai Sun,Chang Ming Li
标识
DOI:10.1016/j.jcis.2014.08.015
摘要
To endow silk with UV-shielding ability and antibacterial activity, CeO2 nanoparticles were immobilized on silk surface via a dip-coating approach without changing silk structure. Surface density of the nanoparticles could be easily adjusted by controlling the number of dip-coating cycle. Enhanced thermal stability of the modified silk is exhibited in thermogravimetric analysis (TGA) and derivative thermogravimetric analysis (DTG). The excellent UV-protection ability and antibacterial property of the CeO2 nanoparticle-coated silk are demonstrated in UV–vis diffuse reflectance spectroscopy and colony-forming capability test, respectively. Based on the data, it can be concluded that CeO2 nanoparticles could be used as a very promising coating material to modify silk for UV-protection and antibacterial applications.
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