自愈水凝胶
羧甲基纤维素
纳米复合材料
肿胀 的
材料科学
水溶液
化学工程
纤维素
纳米颗粒
抗菌活性
高分子化学
核化学
化学
纳米技术
复合材料
有机化学
钠
生物
细菌
工程类
冶金
遗传学
作者
Mehdi Yadollahi,Iman Gholamali,Hassan Namazi,Mohammad Aghazadeh
标识
DOI:10.1016/j.ijbiomac.2014.11.032
摘要
In this study, carboxymethyl cellulose/ZnO nanocomposite hydrogels have been synthesized through the in situ formation of ZnO nanoparticles within swollen carboxymethyl cellulose hydrogels. The formation of ZnO nanoparticles in the hydrogels was confirmed using X-ray diffraction, UV-vis spectroscopy and scanning electron microscopy (SEM) studies. SEM micrographs revealed the formation of ZnO nanoparticles with size range of 10-20 nm within the hydrogel matrix. The prepared nanocomposite hydrogels showed a pH and salt sensitive swelling behavior. The ZnO nanocomposite hydrogels have rather higher swelling in different aqueous solutions in comparison with neat hydrogel. The nanocomposite hydrogels demonstrated antibacterial effects against Escherichia coli and Staphylococcus aureus bacteria. The developed carboxymethyl cellulose/ZnO nanocomposite hydrogels can be used effectively for biomedical application.
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