摘要
目的制备具有较强抗菌性的抗菌剂。方法通过对凹凸棒黏土进行酸化、热及钠化处理后,在室温下采用原位还原的方法制备纳米载银凹凸棒。用红外光谱(FT-IR)、X射线衍射(XRD)分析表征。结果纳米载银凹凸棒的红外吸收谱与纯凹凸棒基本相同,凹凸棒晶面结构没有变化。样品的元素分析说明纳米载银凹凸棒中银含量为4.13%。用大肠杆菌和金黄色葡萄球菌进行抗菌实验表明,纳米载银凹凸棒具有较强的抗菌性能。结论应用原位还原法可制得纳米载银凹凸棒抗菌剂。
Objective The antibacterials with high antibacterial was made. Methods The nano-Ag-loaded palygorskite was trea ted with acid,heat and sodium chloride, Used the method of original reducing to make Ag-carrying nanopalygorskite material in the room temperature, as raw material and was characterized by FT-IR spectrometry,XRD. Results the nano-Ag-loaded palygorskite had the smilar IR spectrum with the purified palygorskite. The element analyse illustrated this kind of material contains 9.13% Ag. The antibacterial experiment exhibited that the nano Ag loaded vermiculite had high antibacterial activity for S. aureus and E. coli. Conclusion Used the method of original reducing to make Ag carrying nanopalygorskite material.
出处
《国际检验医学杂志》
CAS
2011年第7期739-740,743,共3页
International Journal of Laboratory Medicine
基金
2009年甘肃省兰州市科技项目(2009161)
关键词
银
凹凸棒
抗菌性能
silver
palygorskite
antibacterial activity
