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Photo-triggered AuAg@g-C3N4 composite nanoplatform for multimodal broad-spectrum antibacterial therapy
Analyst ( IF 3.6 ) Pub Date : 2024-07-31 , DOI: 10.1039/d4an00950a Xinyi Jing 1 , Shan Huang 1 , Hui Wang 1 , Yue Ding 2 , Huiqin Yao 3 , Xiaojun Chen 1 , Jun-Jie Zhu 4
Analyst ( IF 3.6 ) Pub Date : 2024-07-31 , DOI: 10.1039/d4an00950a Xinyi Jing 1 , Shan Huang 1 , Hui Wang 1 , Yue Ding 2 , Huiqin Yao 3 , Xiaojun Chen 1 , Jun-Jie Zhu 4
Affiliation
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Strategies based on nanomaterials for sterilization address the problem of antibiotic resistance faced by conventional antimicrobials, with the contribution of photocatalytic compounds being particularly prominent. Herein, to integrate multiple bactericidal techniques into a system for generating synergistic antibacterial effects, a novel photo-triggered AuAg@g-C3N4 composite nanoplatform was constructed by anchoring AuAg on the surface of a g-C3N4 layer. As the composite nanoplatform had a lower bandgap and superior visible light utilization efficiency, it could facilitate free electron transfer better and exhibit superior photocatalytic activity under light conditions. Moreover, the AuAg@g-C3N4 composite nanoplatform integrated the bactericidal modes of silver ion toxicity, physical disruption of bacterial cell membranes by the multilayer structure, and excellent photocatalytic activity, exhibiting extremely superior bactericidal effects against Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa and Bacillus subtilis, with a bactericidal efficiency of up to 100%.
中文翻译：
用于多模式广谱抗菌治疗的光触发AuAg@g-C3N4复合纳米平台
基于纳米材料的灭菌策略解决了传统抗菌剂面临的抗生素耐药性问题，其中光催化化合物的贡献尤为突出。在此，为了将多种杀菌技术集成到产生协同抗菌效果的系统中，通过将AuAg锚定在gC 3 N 4层的表面构建了一种新型光触发AuAg@gC 3 N 4复合纳米平台。由于复合纳米平台具有较低的带隙和优异的可见光利用效率，因此可以更好地促进自由电子转移，并在光照条件下表现出优异的光催化活性。此外，AuAg@gC 3 N 4复合纳米平台综合了银离子毒性的杀菌模式、多层结构对细菌细胞膜的物理破坏以及优异的光催化活性，对大肠杆菌、金黄色葡萄球菌、铜绿假单胞菌表现出极其优越的杀菌效果。和枯草芽孢杆菌，杀菌效率高达100%。
更新日期：2024-07-31
中文翻译：
用于多模式广谱抗菌治疗的光触发AuAg@g-C3N4复合纳米平台
基于纳米材料的灭菌策略解决了传统抗菌剂面临的抗生素耐药性问题，其中光催化化合物的贡献尤为突出。在此，为了将多种杀菌技术集成到产生协同抗菌效果的系统中，通过将AuAg锚定在gC 3 N 4层的表面构建了一种新型光触发AuAg@gC 3 N 4复合纳米平台。由于复合纳米平台具有较低的带隙和优异的可见光利用效率，因此可以更好地促进自由电子转移，并在光照条件下表现出优异的光催化活性。此外，AuAg@gC 3 N 4复合纳米平台综合了银离子毒性的杀菌模式、多层结构对细菌细胞膜的物理破坏以及优异的光催化活性，对大肠杆菌、金黄色葡萄球菌、铜绿假单胞菌表现出极其优越的杀菌效果。和枯草芽孢杆菌，杀菌效率高达100%。
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