Nik Malek, N. A. N. and Azalisa, W. N. and Yieh Lin, C. C. (2016) Antibacterial activity of cetyltrimethylammonium bromide modified silver-bentonite. In: 3rd International Conference on Chemical and Biological Sciences, ICCBS 2016, 23 March 2016 through 25 March 2016, Amsterdam; Netherlands.
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Abstract
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.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Uncontrolled Keywords: | Cationic surfactants, Dyes, Escherichia coli, Fourier transform infrared spectroscopy, Silver, Surface active agents, X ray diffraction |
| Subjects: | Q Science > QH Natural history |
| Divisions: | Biosciences and Medical Engineering |
| ID Code: | 73235 |
| Deposited By: | Muhammad Atiff Mahussain |
| Deposited On: | 22 Nov 2017 12:07 |
| Last Modified: | 22 Nov 2017 12:07 |
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