AgNP/NSP and AgNP/SWN, the materials used in this article, are synthesized by using nano silicate platelet clays and artificial organic clays as dispersing to stabilize and immobilize silver nanoparticles and consequently used to study the antibacterial mechanism of silver nanoparticles Firstly, the growth inhibition capability of AgNP/NSP andNSP(WW 2theta(0) Laser SERS s ERS AuNPsNSP Fe304 400 600 goo 1000 10 1400 Raman shift (cm l) 1600 M 00 400 800 10 1400 Raman shift (cmI) 1800 2coo 100 1 oooo 4000 400 1000 10 1400 Raman shift (cmI) 11 mM rnM rnM mM 03 rnM 10 1400 Raman shift (cm") 1600 ogmM 0,7mM 00 11mM o_gmM o_7mM 05mM 03mM Wavelength (nm)Additionally, we synthesize the Ag/ZnO/NSP that ZnO is regarded as a promoter in the hybrids in antibacterial uses Also, the differences of antibacterial activities between Ag/NSP and Ag/ZnO/NSP are investigated And, it is found that CuO/NSP (15/85, w/w) show better antibacterial efficacy against S aureus as compared with ZnO/NSP and Ag/NSP
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