Leaf Extract Arbitrated Biogenic Synthesis of Silver Nanospheres by a Medicinal Plant from the Western Ghats with Enhanced Antimicrobial Property

被引:4
|
作者
Sherin, John [1 ]
Kumar, Puvanesvaran Senthil [2 ]
Karuthapandian, Swaminathan [2 ]
机构
[1] Sri Kaliswari Coll Autonomous, Dept Chem, Sivakasi 626130, Tamilnadu, India
[2] VHNSN Coll Autonomous, Dept Chem, Virudunagar 626001, Tamilnadu, India
来源
PHOTOCHEM | 2021年 / 1卷 / 02期
关键词
Alstonia scholaris; green synthesis; characterization; microbial activity; GREEN SYNTHESIS; ASSISTED BIOSYNTHESIS; GOLD NANOPARTICLES;
D O I
10.3390/photochem1020016
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
In the present study, we report the greener, simple, cost effective, non-hazardous and ecofriendly synthesis of silver (Ag) nanoparticles from Alstonia scholaris (L.) R. Br. for the first time. The synthesis of silver nanoparticles using the leaf stock acted as a reducing as well as the capping agent simultaneously. The bio-reduced silver nanoparticles were characterized using ultra violet-visible spectroscopy (UV) exhibiting blue shift absorption peak in the region 440 nm. The newly synthesized Ag NPs were sphere-like in structure and grew well with a crystalline size of 16.57 nm. The Fourier transform infrared (FT-IR) analysis identifies the biomolecules which are involved during the synthesis process. The synthesized nanocatalyst served as a good catalyst for degrading methyl orange dye under solar light irradiation and was monitored spectrophotometrically. Furthermore, the antimicrobial potential of Ag NPs was evaluated an could competently inhibit different pathogenic organisms, including bacteria and fungi. Additionally, the efficiency of the silver nanoparticles was tested against the photocatalytic degradation of methyl orange dye pollutant. Different operational parameters such as catalyst weight dosage, dye concentration and different pH were optimized. The pollutants were degraded within 35 min. The present research work opens a pathway to synthesize nanomaterial by applying the principles of green chemistry.
引用
收藏
页码:264 / 274
页数:11
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