As traditional antibacterial material,silver's nanostructure and tunable physicochemical properties can jointly prevent drug resistance,and enhance bacteriostatic effect by releasing silver ions (Ag+) and inducing expression of reactive oxygen and nitrogen species.At present,the antibacterial effect of nano Ag is limited by factors such as the particle size of nano Ag and surface positive charges.By reducing the size of nano Ag or by incorporating it into other materials to prepare Ag-loaded nano antibacterial materials with different carriers,the antibacterial effect can be effectively improved.The types,synthesis,antibacterial properties and antibacterial mechanism of nano Ag and Ag-loaded nano antibacterial materials were reviewed.The development trend of nano Ag antibacterial materials in the future was prospected,and summarized the references for subsequent applied research of nano Ag in antibacterial field.
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基金资助
国家自然科学基金面上项目(51377163);西北大学科研启动资助项目(363042005100)
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