相关实验视频

Updated: Jun 8, 2025

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Phragmanthera Macrosolen L.叶子提取物对生物合成的氧化银纳米颗粒的抗菌活性进行研究

Abel Saka^1,2, Suhash Ranjan Dey¹, Leta Tesfaye Jule²

¹Combinatorial Materials Laboratory, Department of Materials Science and Metallurgical Engineering, Indian Institute of Technology, Hyderabad, 502284, India.

Scientific reports

|November 5, 2024

概括

绿色合成的氧化银纳米颗粒 (Ag2ONP) 使用Phragmanthera macrosolen L.叶片提取物显示对细菌的有效性. 这些新的Ag2ONP显示出作为抗菌剂的潜力,特别是在对抗大肠杆菌.

科学领域:

纳米技术纳米技术
绿色化学绿色化学
微生物学微生物学

背景情况:

新型抗菌剂的开发对于打击日益增长的抗菌素耐药性至关重要.
植物衍生化合物为合成具有治疗潜力的纳米粒子提供了可持续的来源.

研究的目的:

通过绿色化学方法合成氧化银纳米粒子 (Ag2O NPs).
描述合成的Ag2ONP,并评估它们对阳性 (S. aureus) 和阴性 (E. coli) 细菌的抗菌活性.

主要方法:

使用Phragmanthera macrosolen L.原始叶子提取物进行Ag2ONP的生物合成.
使用SEM,HR-TEM,XRD,FTIR,EDS和UV-Vis光谱进行表征.
通过最小抑制度 (MIC) 和最小杀菌度 (MBC) 试验评估的抗菌有效性.

主要成果:

Ag2O NPs成功合成,平均晶体大小为45.8nm,呈现球状和棒状形态.
FTIR证实了植物化学参与,XRD表明多晶性质,EDS证实了元素组成 (Ag和O2).
合成的Ag2ONP显示出显著的抗菌活性,与S. aureus相比,对大肠杆菌的敏感性更高.

结论:

Phragmanthera macrosolen L. 叶片提取物作为Ag2ONP的绿色合成的有效剂.
生物合成的Ag2ONP具有有前途的抗菌特性,表明它们有可能开发新的抗菌疗法.

关键词:

抗菌的抗菌的抗菌的描述,绿色合成绿色合成叶子提取物叶子提取物银氧化物是一种氧化物.

更多相关视频

Evaluation of Antimicrobial Activities of Nanoparticles and Nanostructured Surfaces In Vitro

Evaluation of Antimicrobial Activities of Nanoparticles and Nanostructured Surfaces In Vitro

Published on: April 21, 2023

Production of Metal Nanoparticles by Pulsed Laser-ablation in Liquids: A Tool for Studying the Antibacterial Properties of Nanoparticles

Production of Metal Nanoparticles by Pulsed Laser-ablation in Liquids: A Tool for Studying the Antibacterial Properties of Nanoparticles

Published on: June 2, 2017

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...