MATEC Web of Conferences
Volume 60, 20162016 3rd International Conference on Chemical and Biological Sciences
|Number of page(s)||5|
|Published online||08 June 2016|
Antibacterial Activity of Cetyltrimethylammonium Bromide Modified Silver-Bentonite
Faculty of Biosciences and Medical Engineering, Universiti Teknologi Malaysia, 81310 UTM, Skudai, Johor, Malaysia
Organo-Ag-bentonite was prepared by the attachment of cationic surfactant cetyltrimethylammonium bromide on silver(A)g-exchanged bentonite. The prepared samples were characterized by X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy and energy dispersive X-ray (EDX) analysis and antibacterial assay was performed against Escherichia coli in different percentage of saline solutions through minimum inhibition concentration (MIC) method. Organo-Ag-bentonite showed higher antibacterial activity than organo-bentonite and Ag-bentonite especially in saline solution suggesting that the precipitation of AgCl in the presence of Ag-bentonite in saline solution could be avoided by the attachment of cationic surfactant on Ag-bentonite surfaces, hence increased their antibacterial activity.
© Owned by the authors, published by EDP Sciences, 2016
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