介孔硅载银抗菌剂的结构及其抗菌性能

纺织学报 ›› 2012, Vol. 33 ›› Issue (2): 80-84.

介孔硅载银抗菌剂的结构及其抗菌性能

姚云飞, 朱海霖, 冯新星, 陈建勇

1. 浙江理工大学先进纺织材料与制备技术教育部重点实验室
2. 总后勤部军需装备研究所

收稿日期:2011-04-27 修回日期:2011-09-06 出版日期:2012-02-15 发布日期:2012-02-15
通讯作者: 陈建勇 E-mail:cjy@zstu.edu.cn
基金资助:
国家级;省级

Structure and antibacterial performance of silver-supported mesoporous silica antibacterial agent

YAO Yun-Fei, ZHU Hai-Lin, FENG Xin-Xing, CHEN Jian-Yong

Received:2011-04-27 Revised:2011-09-06 Online:2012-02-15 Published:2012-02-15

摘要/Abstract

摘要： 利用介孔氧化硅SBA-15的特殊孔道结构，采用在介孔载体制备过程中掺入银的方法，一步法合成介孔硅载银抗菌剂Ag/SBA-15。通过X射线衍射(XRD)，透射电镜（TEM）,电子能谱(EDS)，原子吸收光谱(AAS)和N2吸附/脱附等表征方法对Ag/SBA-15的结构进行研究；并测试了Ag/SBA-15对大肠杆菌和金黄色葡萄球菌的抗菌效果。结果表明：本实验制备的抗菌剂具有规则有序的介孔孔道结构且银在介孔孔道内分布均匀，其载银量可达14.8%并具有良好的缓释性能。Ag/SBA-15粉体对大肠杆菌和金黄色葡萄球菌的最小抑菌浓度(MIC)为40?g/ml,具有良好的抗菌效果。

关键词: 介孔, 银, 抗菌剂, 抗菌性能

Abstract: Owing to special channels of mesoporous silica SBA-15, an novel silver-supporting mesoporous silica antimicrobial (Ag/SBA-15) was synthesized by one-step method with adding Ag into the process of preparing mesoporous carrier. Ag/SBA-15 and SBA-15 were characterized by X-ray diffraction(XRD),transmission electron microscopy(TEM), electron spectroscopy(EDS), atomic absorption spectrometry(AAS) and N2 adsorption-desorption isotherm. And the antibacterial property of Ag/SBA-15 against colon bacillus and staphylococcus aureus were also studied. The results showed that the prepared antimicrobial with the content of Ag accounting to 14.8% still remained an ordered mesoporous structure with Ag evenly dispering in the mesoporous carrier and possessed good release behavior.Meanwhile,Ag/SBA-15 antimicrobial was shown to be an effective bactericide against colon bacillus and staphylococcus aureus.The minimal inhibitory concentration(MIC) was 40?g/ml.

姚云飞, 朱海霖, 冯新星, 陈建勇. 介孔硅载银抗菌剂的结构及其抗菌性能[J]. 纺织学报, 2012, 33(2): 80-84.

YAO Yun-Fei, ZHU Hai-Lin, FENG Xin-Xing, CHEN Jian-Yong. Structure and antibacterial performance of silver-supported mesoporous silica antibacterial agent[J]. JOURNAL OF TEXTILE RESEARCH, 2012, 33(2): 80-84.

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