相关实验视频

Updated: Jan 13, 2026

Synthesis of Multi-walled Carbon Nanotubes Modified with Silver Nanoparticles and Evaluation of Their Antibacterial Activities and Cytotoxic Properties

Synthesis of Multi-walled Carbon Nanotubes Modified with Silver Nanoparticles and Evaluation of Their Antibacterial Activities and Cytotoxic Properties

Published on: May 10, 2018

使用Eri丝纤维蛋白与绿色合成的银纳米颗粒混合的抗菌膜的开发,用于对抗常见的人类病原体

Anbuchezhiyan Sneka¹, Raghavendra Baregundi Subbarao², Thirunavukkarasu Selvamuthukumaran¹

¹Department of Entomology, Faculty of Agriculture, Annamalai University, Chidambaram, India.

|January 8, 2026

概括

绿色合成的银纳米颗粒 (AgNPs) 使用白提取物及其整合到丝纤维膜创建了一个新型的抗微生物生物材料,增强的物理性能和强大的广谱活性.

科学领域:

生物材料工程生物材料工程
绿色化学绿色化学
纳米技术纳米技术

背景情况:

纳米颗粒的植物制造为开发先进的功能性材料提供了一种可持续的方法.
阿洛韦拉 (L.) .f. 提取物为银纳米粒子 (AgNPs) 的绿色合成提供了一个生物相容的来源.
丝纤维素 (ESF) 是生物材料应用的一个有前途的天然聚合物.

研究的目的:

为了绿色合成银纳米粒子 (AgNPs),使用提取物.
将这些AgNP纳入Eri丝纤维蛋白 (ESF) 膜,创建一种新的抗菌生物材料.
描述所产生的复合膜的物理特性和抗菌疗效.

主要方法:

绿色合成的AgNPs使用阿洛韦拉提取物.
制造ESF-AgNP复合膜. 这是一个非常好的项目.
使用UV-Vis,FTIR和SEM-EDX分析进行表征.
物理性质的评估,包括孔径和水蒸气传递率.
通过抑制区 (ZOI) 对大肠杆菌,金黄色葡萄球菌和白菌的抗菌活性评估.

主要成果:

该ESF-AVAg复合膜呈现出高度 (高达88.46%) 和最佳的水蒸气传递率 (2503.19 g/m2/day).
复合膜显示出强大的,广泛的抗菌活性.
最佳度 (AVAg6) 显示了显著的ZOI区域:13.00毫米对抗大肠杆菌,13.69毫米对抗金黄色杆菌,17.55毫米对抗白色杆菌.

结论:

来自的AgNP可以有效地集成到ESF矩阵中,以产生高性能抗微生物生物材料.
开发的ESF-AVAg复合膜提供了增强的物理性能和显著的抗菌疗效.
这项研究成功地结合了绿色合成和生物材料工程,以获得可持续的抗微生物解决方案.

关键词:

丝纤维膜是一种丝纤维膜.抗微生物活性的抗微生物活性.生物材料工程生物材料工程绿色合成的纳米粒子.

更多相关视频

Author Spotlight: An Antimicrobial Fabric Using Nano-Herbal Encapsulation of Essential Oils

Author Spotlight: An Antimicrobial Fabric Using Nano-Herbal Encapsulation of Essential Oils

Published on: April 7, 2023

Antimicrobial Characterization of Advanced Materials for Bioengineering Applications

Antimicrobial Characterization of Advanced Materials for Bioengineering Applications

Published on: August 4, 2018

相关概念视频

Antimicrobial Effectiveness

Antimicrobial Effectiveness

The effectiveness of antimicrobial agents depends on various factors influencing their ability to eliminate microbial populations. Larger microbial populations require more time for complete eradication, emphasizing the importance of population size analysis when evaluating antimicrobial efficacy.Microbial resistance to antimicrobial agents varies significantly. Highly resilient microorganisms include endospores, gram-negative bacteria, and non-enveloped viruses, while prions are exceptionally...

Biofilms

Biofilms

Biofilms are complex communities of microorganisms encased in a self-produced extracellular polysaccharide matrix attached to surfaces. These microbial consortia can include single or multiple species, providing enhanced survival benefits by forming organized, multilayered structures.The formation of biofilms occurs through four key stages: attachment, colonization, development, and dispersal.During attachment, free-swimming planktonic cells adhere to a surface, often facilitated by...

Surface Membrane Barriers

Surface Membrane Barriers

The skin and mucous membranes serve as the primary line of defense against pathogens by providing both physical and chemical protection. These barriers are essential in preventing the entry and establishment of microbes, thereby maintaining the integrity of the host.
The outer layer of the skin, the epidermis, is a robust barrier comprising layers of closely packed keratinized cells. This dense arrangement prevents microbes from penetrating the body. The periodic shedding of epidermal cells...