Abstract
Among all the nanoparticles synthesized; silver nanoparticles have attained special place in the area of nano technology because of their antimicrobial, nontoxic, environmentally safe and biomedical applications. In general; their syntheses involves the use of hazardous chemicals or costly physical methods. However, the biological processes are making their ways in between and proving their advantages over them. The use of plants and their extracts is one of the most valuable methods which are gaining concerns due to their imperative biological benefits. Plants are not only beautiful but majestic because they are rich sources of various medicinally important substances. They explore the huge diversity which can be utilized towards rapid and single step protocol preparatory method for various nanoparticles keeping intact “the green principles” over the conventional ones and proving their dominance for medicinal importance. Here, in the presented work “one pot synthesis of silver nanoparticles” is described. Therefore; a simple, cost effective bio-reduction on the principle of “green synthesis” of silver nanoparticles using the Alchemilla vulgaris plant extract is reported. The beauty of the synthesis is: no involvement of any surfactant, catalyst or template. The aqueous silver ions are reduced to silver nanoparticles when exposed to plant extract. The bio-reduction and stabilization of so formed silver nanoparticles was monitored by UV-Vis spectrophotometry, FTIR spectroscopy, SEM, particle size and zeta potential.
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