期刊
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
卷 626, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.colsurfa.2021.127116
关键词
Antibacterial effect; Colorless; Silver-copper nanoparticle dispersion
资金
- Wuxi Technology and Innovation Program
- Yunnan University (Kunming, China)
Colorless Ag-Cu nanoparticle (NP) dispersions were prepared by heating PVP and PVA-stabilized Ag NPs with Cu ions, showing high stability and enhanced antibacterial effects. The antibacterial order decreased from Ag-Cu NPs to Ag NPs + Cu ions, to unheated Ag NPs, to heated Ag NPs.
Colorless Ag-Cu nanoparticle (NP) dispersions have been prepared by heating polyvinyl pyrrolidone (PVP)polyvinyl alcohol (PVA)-stabilized Ag NPs with Cu ions. They were characterized by TEM photomicrographs and UV-Visible spectroscopy. They showed high stability, and enhanced antibacterial effects against S. aureus, P. aeruginosa, E. coli and C. albicans. The antibacterial order decreased from Ag-Cu NPs to Ag NPs + Cu ions, to unheated Ag NPs, to heated Ag NPs.
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