膜藻叶提取物合成纳米银抗菌效果研究

K. Gupta, N. Kumari, N. Sinha, Akruti Gupta
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引用次数: 0

摘要

以膜虫属植物(蜘蛛礼来)叶片提取物为原料合成纳米银颗粒,研究其对大肠杆菌、沙门氏菌、链球菌和葡萄球菌等4种细菌的抗菌性能。结果表明,合成的纳米粒子溶液在合成过程中具有从最初的淡黄色到最终的红棕色的变色特性,在434 ~ 466 nm范围内产生特征吸收峰。作为抗菌药物,我们通过菌种间和不同浓度AgNPs溶液间的方差分析来评价它们的抗菌效果,结果清楚地表明,四种不同浓度AgNPs溶液之间以及所研究的四种不同细菌之间的抗菌性能存在显著差异。然而,1:9和1:4的纳米银溶液对四种细菌的抗菌效果相对较好。
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Efficacy of Silver Nanoparticles Synthesized from Hymenocallis species (Spider Lilly) Leaf Extract as Antimicrobial Agents
Biogenic synthesis of silver nanoparticles synthesized from Hymenocallis species (Spider Lilly) leaf extract was subjected for investigation of its antimicrobial property against four bacterial species (E. coli, Salmonella sp., Streptococcus sp. & Staphylococcus sp.). The results revealed that synthesized nanoparticles solution very much justify the color change property from initial light yellow to final reddish brown during the synthesis producing a characteristics absorption peak in the range of 434-466 nm. As antimicrobial agents, their efficacy was evaluated by analysis of variance in between the species and among the different concentration of AgNPs solution, which clearly showed that there was significant variation in the antibiotic property between the four different concentrations of AgNPs solution and also among four different species of bacteria taken under studies. However, silver nanoparticles solution of 1: 9 and 1:4 were proved comparatively more efficient as antimicrobial agents against four species of bacteria.
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