Synthesis of Silver-Treated Bentonite: Evaluation of its Antibacterial Properties

被引：4
|
作者：
do Rosario, Jeane A. [1 ]
de Moura, Gabriel B. G. [1 ]
Gusatti, Marivone [1 ]
Riella, Humberto G. [1 ]
机构：
[1] Univ Fed Santa Catarina, Dept Chem Engn, LABMAC, BR-88040900 Florianopolis, SC, Brazil
来源：
ICHEAP-9: 9TH INTERNATIONAL CONFERENCE ON CHEMICAL AND PROCESS ENGINEERING, PTS 1-3 | 2009年 / 17卷
关键词：
MONTMORILLONITE;
D O I：
10.3303/CET0917300
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In this study, bentonite intercalated with Ag+ was prepared in order to develop an antibacterial material. Raw clay samples of bentonite from Quatro Barras-Brazil were submitted to cationic exchange with silver ions, at environment temperature. The modified clays were tested for antimicrobial activity against Staphylococcus aureus. Escherichia coli and Pseudomonas aeroginosa by microbiological test (Kirby-Bauer's Diffusion Disk Method). Results so far present a strong antimicrobial activity of the modified Ag-bentonite, which considerably inhibited the growth of ordinary microorganisms, including Gram-positive and Gram-negative bacteria.
引用
收藏
页码：1795 / 1800
页数：6
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