绿色合成ZnO纳米片使用Tridax procumbens作为增强抗菌活性的结构指导剂
Elijah Yanda Shaba1, Jimoh Oladejo Tijani1, John Tsado Mathew2
1Department of Chemistry, Federal University of Technology-Minna, Minna, Nigeria.
Chemistry & biodiversity
|May 30, 2025
概括
这项研究用绿色方法与Tridax procumbens合成了氧化 (ZnO) 纳米片. 由此产生的ZnO纳米片对常见病原体和度依赖毒性具有显著的抗菌活性.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术 纳米技术
- 绿色化学 绿色化学
背景情况:
- 氧化 (ZnO) 纳米粒子因其独特的特性而受到广泛研究.
- 开发具有成本效益和环保的ZnO合成方法至关重要.
- 基于植物的合成为传统的化学途径提供了一个可持续的替代方案.
研究的目的:
- 使用绿色方法合成氧化 (ZnO) 纳米片.
- 为了表征合成的 ZnO 纳米片.
- 为了评估ZnO纳米片的抗菌活性和毒性.
主要方法:
- 使用Tridax procumbens作为结构定向剂 (SDA) 的ZnO纳米片的绿色合成.
- 使用X射线衍射 (XRD),高分辨率扫描电子显微镜 (HRSEM),能量散射X射线 (EDX),紫外线光谱,动态光散射 (DLS) 和里埃变换红外 (FTIR) 光谱的表征.
- 使用井扩散方法对Klebsiella pneumoniae,大肠杆菌和Pseudomonas aeruginosa进行抗菌活性测试.
- 使用盐水测定进行毒性评估.
主要成果:
- XRD证实了六角 ZnO 结构,其结晶体大小为 17.53 nm.
- 赫塞姆和EDX证实了纯ZnO纳米片的形成.
- 紫外线光谱显示在370nm时具有特征的ZnO吸收,DLS显示颗粒大小为45.65nm.
- 抗微生物活性与ZnO纳米片度增加.
- 毒性依赖于度,LC50为99.81μg/mL.
结论:
- 特里达克斯普罗坎本斯促进了ZnO纳米片的绿色合成.
- 合成的ZnO纳米片对测试的病原体具有显著的抗微生物特性.
- 生物合成方法经济且易于加工,呈现ZnO纳米片作为潜在的治疗剂.
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