稀土壳聚糖杂化材料的制备、表征及抑菌活性研究
Zhongguo Xitu Xuebao/Journal of the Chinese Rare Earth Society（2013）
Abstract
在室温条件下,以天然高分子材料壳聚糖和稀土纳米氧化物为原料,用表面接枝法制备了两种RE2O3-TDI-壳聚糖(TDI=甲苯-2,4-二异氰酸酯,RE=镧,钕)杂化复合物,借助红外(IR)、热重(DSC-TG)、扫描电镜(SEM)等测试技术对所制备的壳聚糖杂化材料的物化性能进行了表征,并采用培养基扩散法和营养肉汤稀释法等抑菌实验方法对其进行了抑菌活性实验,结果表明该稀土纳米壳聚糖杂化材料具有很好的热稳定性及抑菌性能.
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Key words
Antibacterial activity,Chitosan,Grafting,Rare earth nano-oxides,TDI
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