光热治疗
光催化
纳米结构
灭菌(经济)
材料科学
硫化铜
纳米技术
纳米颗粒
金黄色葡萄球菌
人口
铜
化学
细菌
医学
生物
催化作用
冶金
遗传学
外汇
货币经济学
外汇市场
经济
环境卫生
生物化学
作者
You Li,Mengyao Su,Tingjun Yan,Zhimin Wang,Jiatao Zhang
出处
期刊:ACS applied bio materials
[American Chemical Society]
日期:2023-06-07
卷期号:6 (6): 2468-2476
被引量:6
标识
DOI:10.1021/acsabm.3c00274
摘要
The development of nonantibiotic strategies to combat bacterial infection is highly needed, owing to the widespread infectious disease and bacterial resistance becoming a significant health threat to the world's population. In recent years, photoactivated antibacterial therapies including photocatalytic and photothermal therapies have attracted increasing attention due to their high efficiency and low side effect. Herein, we introduce a copper sulfide (Cu2–xS) hollow nanostructure-based near-infrared antibacterial platform with synergy photothermal and photocatalytic properties for effective bacterial sterilization. Compared to traditional Cu2–xS nanoparticles, this unique hollow Cu2–xS nanostructure can generate multiple scattered light, which is conducive to light collection. Moreover, its thin shell can shorten the transmission distance of carrier, thus reducing the charge recombination that usually causes the greatest energy loss. As a result, such a Cu2–xS hollow nanostructure enables enhanced photothermal and photocatalytic bacterial killing activities against both Escherichia coli and Staphylococcus aureus, showing promise for antibiotic-free infection treatment and other bacterial sterilization applications.
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