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不同抗菌剂在基于PET的电纳米纤维膜中进行兴奋剂的作用对空气过和抗菌性能的影响

Gang Zhou¹, Zhuo Xu¹, Yongliang Zhang²

¹College of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao, 266590, China; State Key Laboratory of Mining Disaster Prevention and Control Co-founded by Shandong Province and the Ministry of Science and Technology, Shandong University of Science and Technology, Qingdao, 266590, China.

Environmental research

|December 9, 2023

概括

新的聚乙烯二甲/聚乙烯醇 (PET/PVA) 纳米纤维膜含有银纳米粒子 (AgNPs) 和二氧化纳米粒子 (TiO2NPs) 显示出高粉尘过效率和抗菌活性. 这些先进的膜为个人防护设备提供了有前途的应用.

科学领域:

材料科学材料科学材料科学
纳米技术纳米技术
环境科学环境科学

背景情况:

颗粒物污染在各种生产环境中对人类健康构成重大风险.
开发有效的过介质对于减轻这些健康危害至关重要.
将抗菌性质纳入过器可以进一步增强保护.

研究的目的:

制造和研究基于聚乙烯二甲/聚乙烯醇 (PET/PVA) 的纳米纤维膜,用于收集灰尘和抗菌活性.
评估包含银纳米粒子 (AgNPs),柏柏林 (Ber) 和二氧化纳米粒子 (TiO2NPs) 的膜的性能.
评估过和抗菌性能的协同效应,以提高个人保护.

主要方法:

制造基于PET/PVA的纳米纤维膜.
加入AgNPs,Ber和TiO2NPs作为抗菌剂.
使用SEM,FTIR和TG技术进行表征.
使用NaCl和DEHS进行粉尘过效率测试.
对抗大肠杆菌和金黄色葡萄球菌的抗菌活性评估.
在体外细胞毒性测试.

主要成果:

通过PET/PVA/Ag膜实现了高过效率 (NaCl为99.87%,DEHS为99.89%) 的低压力下降.
PET/PVA/TiO2和PET/PVA/Ag膜表现出显著的抗菌作用 (大肠杆菌为98.7%,黄金杆菌为95.9%).
在细胞培养中的抗菌膜中没有观察到细胞毒性.
抗菌剂增强了纳米纤维中的电荷分布,改善了过性能.
观察到尘埃过和抗菌过程之间的协同促进.

结论:

开发的基于PET/PVA的纳米纤维膜具有出色的尘埃过和抗菌能力.
加入AgNPs和TiO2NPs可以提高过效率和抗菌活性.
这些膜不表现出细胞毒性,使其安全使用.
过和抗菌特性之间的协同效应表明在个人防护中具有广泛的应用前景.

关键词:

抗菌性能抗菌性能抗菌性能收集灰尘的过程中,电气冲刺是一种电气冲刺.聚乙烯四甲酸是一种聚乙烯四甲酸.

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