银纳米颗粒的生物合成使用Tagetes erecta:提取特征,使用结构指导或异质核剂的形态修饰,以及抗菌评估
Edgar J López-Naranjo1, Margarita Cid-Hernández1, Milton O Vázquez-Lepe1
1CUCEI-Centro Universitario de Ciencias Exactas e Ingenierías, Universidad de Guadalajara, Guadalajara C.P. 44430, JAL, Mexico.
Molecules (Basel, Switzerland)
|December 11, 2025
概括
使用Tagetes erecta提取物实现了银纳米粒子 (AgNPs) 的生物合成,其形态不同. 这些AgNP和提取物表现出抗菌活性,核化剂增强了疗效.
科学领域:
- 纳米材料的绿色合成
- 生物技术和纳米技术
背景情况:
- 银纳米粒子 (AgNPs) 具有独特的特性,受其尺寸和形状的影响.
- 控制AgNP形态对于优化它们的应用至关重要.
- 提取物Tagetes erecta提取物 (TEE) 含有适合纳米粒子生物合成的化合物.
研究的目的:
- 使用TEE生物合成AgNPs,具有受控形态.
- 为了研究核化/结构指导剂对AgNP形状的影响.
- 评估生物合成的AgNP和TEE的抗菌活性.
主要方法:
- 使用TEE和银酸盐进行AgNP生物合成的自闭柜方法.
- 加入化 (S),阿拉伯 (G) 或滑石粉 (T) 作为修饰剂.
- 使用SEM,TEM,UV-vis和XRD对TEE进行植物化学分析和AgNP的表征.
主要成果:
- 有着多种形态的AgNP (球体,棒,丝带,线) 已成功合成.
- 修饰剂 (S,G或T) 的选择决定了AgNP的形态.
- 无论是TEE还是合成的AgNP,都表现出对大肠杆菌和E. faecalis的细菌静止作用.
- 作为核化剂的化增强了AgNPs的抗菌活性.
结论:
- 提取物是AgNP的绿色合成的有效来源.
- 使用特定的添加剂可以实现AgNP的形态控制.
- 生物合成的AgNP和TEE显示出有前途的抗菌性质,特别是当与核化剂合成时.
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