银修饰CuO纳米颗粒涂层面具的抗菌活性
Tanuja Udawant1, Prajkta Thorat1, Payal Thapa2
1Modern College of Arts, Science, and Commerce, Pune 411005, India.
Bioengineering (Basel, Switzerland)
|January 8, 2025
概括
研究人员为手术口罩开发了具有成本效益的,修饰为银的氧化铜 (Ag-CuO) 纳米颗粒. 这些纳米颗粒涂层的口罩通过产生活性氧物种 (ROS) 来表现出对空气和土壤传播细菌的广泛抗菌活性.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术纳米技术
- 生物技术是生物技术.
背景情况:
- 一次性手术口罩缺乏固有的抗微生物特性,造成感染风险.
- 纳米粒子提供了针对微生物威胁的增强面具功能的潜力.
- 银和金属氧化物以其抗微生物特性而闻名.
研究的目的:
- 开发一种绿色和具有成本效益的方法,用银改性铜氧化物 (Ag-CuO) 纳米颗粒涂覆手术口罩.
- 评估Ag-CuO纳米颗粒涂层面罩的结构,表面和形态特征.
- 评估修改过的口罩对常见细菌物种的抗菌效果.
主要方法:
- Ag-CuO纳米颗粒的声化学合成.
- 在一次性手术口罩上涂上纳米颗粒的涂层.
- 使用X射线衍射 (XRD),里埃变换红外光谱 (FT-IR) 和场辐射扫描电子显微镜 (FE-SEM) 的表征.
- 使用抑制区 (ZoI) 测定对*S. aureus*和*E. coli*进行抗菌活性测试.
主要成果:
- 用FE-SEM证实了面具纤维上Ag-CuO纳米粒子 (~70纳米平均尺寸) 的均涂层.
- XRD和FT-IR证实了NP涂层面罩的结构和表面特性.
- 显著的抗菌活性被观察到对格拉姆阳性 (*S. aureus*) 和格拉姆阴性 (*E. coli*) 细菌.
- 抗菌作用归因于Ag和CuO的协同作用,导致活性氧物种 (ROS) 生成的增加.
结论:
- 一种新的,环保的声化学方法成功生产了Ag-CuO纳米颗粒涂层的外科面罩.
- Ag-CuO NP涂层面罩对空气和土壤传播的细菌具有强大的抗菌特性.
- 增强的抗微生物疗效与ROS生成有关,突出显示了这些口罩在感染控制中的潜力.
关键词:
在Ag-CuOOO中使用.在 Ag-ZnO 中.这就是ROSOS ROS.动物园 动物园抑制的区域 抑制的区域在空气中传播的细菌.这是面具,是口罩.纳米颗粒是一种纳米粒子.有活性氧物种的反应性氧物种.超声波的使用方法更多相关视频
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