Preparation of Ag/SBA-15 Nanocomposite and Its Bactericidal Activity

Chem. J. Chinese Universities

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Preparation of Ag/SBA-15 Nanocomposite and Its Bactericidal Activity

CAI Xiao-Hui^1,2, ZHU Guang-Shan², GAO Bo³, ZHANG Wei-Wei², ZHANG Da-Liang², WEI Yu-Hong², QIU Shi-Lun², WANG Ce¹

1. Alan G. MacDiarmid Institute,
2. State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry,
3. College of Life Science, Jilin University, Changchun 130012, China

Received:2006-03-16 Revised:1900-01-01 Online:2006-11-10 Published:2006-11-10
Contact: WANG Ce

Abstract

Abstract: Silver nanoparticles were prepared in the channels of mesoporous silica SBA-15 through silver mirror reaction. The results of X-ray diffraction(XRD) and transmission electron microscopy(TEM) reveal that Ag nanoparticles with uniform size about 2—3 nm were dispersed inside the channels of mesoporous SBA-15. UV-Vis absorption spectra indicate the quantum size effect of the Ag nanoparticles. Bacteriological tests were performed in Luria-Bertani(LB) medium on solid agar plates and in liquid systems supplemented with different concentrations of Ag/SBA-15. This nanocomposite was shown to be an effective bactericide against Staphylococcus.

Key words: Mesoporous materials, Composite materials, Silver, Nanoparticles, Bacteria

CLC Number:

O614
O643.1

TrendMD:

CAI Xiao-Hui^1,2, ZHU Guang-Shan², GAO Bo³, ZHANG Wei-Wei², ZHANG Da-Liang², WEI Yu-Hong², QIU Shi-Lun², WANG Ce¹
. Preparation of Ag/SBA-15 Nanocomposite and Its Bactericidal Activity[J]. Chem. J. Chinese Universities, doi: .

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Preparation of Ag/SBA-15 Nanocomposite and Its Bactericidal Activity

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