期刊
MATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS
卷 33, 期 3, 页码 1808-1812出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.msec.2012.12.016
关键词
AgBr@SiO2; Chemical synthesis; Antibacterial activity
资金
- National Science Foundation [20671029, 21271062]
- Construction Fund of Henan Province
- Department of Education [SBGJ090515]
AgBr@SiO2 core@shell hybrid nanoparticles (NPs) were successfully prepared by sol-gel method. Their morphology and structure were characterized by transmission electron microscopy (TEM) and X-ray diffraction (XRD). The hybrid NPs are predominantly spherical in shape, with an average diameter of 180-200 nm, and each NP contains one inorganic core. The minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of the hybrid NPs were examined against Staphylococcus aureus (S. aureus), Pseudomonas aeruginosa (P. aeruginosa) and Escherichia coli (E, coli), respectively. Results indicated that the AgBr@SiO2 NPS had excellent antibacterial activity. (C) 2012 Elsevier B.V. All rights reserved.
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