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Photo-Excited Antibacterial Poly(Ɛ-caprolactone)@MoS2/ZnS Hybrid Nanofibers
Chemical Engineering Journal ( IF 15.1 ) Pub Date : 2022-01-19 , DOI: 10.1016/j.cej.2022.134764
Hui Ci 1 , Lili Ma 1 , Xiangmei Liu 2 , Yanqin Liang 1 , Yufeng Zheng 3 , Zhaoyang Li 1 , Shengli Zhu 1 , Zhenduo Cui 1 , Shuilin Wu 1, 3
Affiliation  

The rapid and timely sterilization is quite important function for textiles to prevent human being from pathogenic bacterial infections. Hence, it is necessary to develop wearable fabrics with rapid and effective antibacterial properties. In this work, using one-step hydrothermal method and electrospinning, we synthesized biocompatible antibacterial hybrid nanofibers composed of poly(Ɛ-caprolactone) (PCL) incorporated with heterojunction of MoS2/ZnS (MZ). The MZ endowed the PCL-MZ nanofibers with excellent photothermal and photocatalytic properties under visible light. After 10 min visible light irradiation, the hybrid nanofibers with optimum proportion achieved an effective antibacterial efficacy of 96.03% and 99.09% against Staphylococcus aureus and Escherichia coli, respectively. The underlying mechanism is based on the synergistic effects of reactive oxygen species (ROS) and hyperthermia. Thus, the PCL-MZ hybrid nanofibers will be promising for the fabrication of wearable antibacterial fabrics.



中文翻译:

光激发抗菌聚(Ɛ-己内酯)@MoS2/ZnS杂化纳米纤维

快速及时的杀菌是纺织品预防人体病原菌感染的重要功能。因此,有必要开发具有快速有效抗菌性能的可穿戴面料。在这项工作中,我们使用一步水热法和静电纺丝,合成了由聚 (Ɛ-己内酯) (PCL) 和 MoS 2异质结组成的生物相容性抗菌混合纳米纤维。/ZnS (MZ)。MZ赋予PCL-MZ纳米纤维在可见光下优异的光热和光催化性能。可见光照射10 min后,最佳比例的杂化纳米纤维对金黄色葡萄球菌和大肠杆菌的有效抗菌效果分别为96.03%和99.09%。潜在机制基于活性氧 (ROS) 和热疗的协同作用。因此,PCL-MZ 杂化纳米纤维将有望用于制造可穿戴的抗菌织物。

更新日期:2022-01-20
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