植物介导的植物绿色合成、表征及生物应用赖特叶提取物Ag-NPS的抑菌效果

Pub Date : 2021-04-01 DOI:10.15251/jobm.2021.132.77
N. Charanya Meenu, S. Lakshmi Manokari, T. S. Senthil
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引用次数: 0

摘要

桔梗是一种药用植物,含有大量具有多种功能的植物成分,据说这种植物是广泛用于治疗各种疾病的更安全的药物。在本工作中,使用不同的溶剂(苯、乙醇和水溶液)合成了银纳米颗粒。通过紫外-可见光谱、红外光谱、X射线衍射、FESEM和HRTEM对制备的纳米颗粒进行了表征。与其他提取物通过良好扩散法合成的纳米颗粒相比,乙醇提取物的生物合成银纳米颗粒对金黄色葡萄球菌和粪肠球菌(革兰氏阳性)以及大肠杆菌和肺炎克雷伯菌(革兰氏阴性)菌株显示出较强的抗菌活性。在本研究中,将选定的植物提取物和银纳米粒子涂覆在粘胶水刺非织造布上,并进行了定性和定量抗菌研究。
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Plant-mediated green synthesis, characterization and antibacterial efficacy of Ag-NPS using extracts of Wrightia tinctoria leaves for biological application
Wrightia tinctoria was one of the medicinal plants that contains enormous amount of phytoconstituents with diverse functions and the plant was said to be the safer drug widely used in treating various ailments. In this present work, silver nanoparticles were synthesized using different solvents (benzene, ethanol and aqueous) of Wrightia tinctoria leaves. The prepared nanoparticles are characterized by UV- Vis spectroscopy, FTIR, XRD, FESEM and HRTEM analysis. Biosynthesized silver nanoparticles of ethanol extract showed strong antibacterial activity compared to the nanoparticles synthesized from other extracts against Staphylococcus aureus and Enterococcus faecalis (gram-positive) and Escherichia coli and Klebsiella pneumoniae(gram-negative) bacterial strains by well diffusion method. In this investigation, the selected plant extract and silver nanoparticle were coated on viscose spunlacednonwoven fabrics and subjected to qualitative and quantitative antibacterial studies.
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