Abstract
Abstract Nanobiotechnology is a rapidly growing scientific field of producing and constructing devices utilizing nanosized particles of about nanometer scale level (1 to 100 nm). Nowadays, nanoparticles have potential effects in life sciences and human health care applications. Among the nanoparticles, silver nanoparticles are playing a major role in the field of biomedical nanotechnology and nanomedicine. Silver is a naturally occurring precious metal, most often as a mineral ore in association with other elements. Silver nanoparticle has a natural antimicrobial effect against many pathogens such as bacteria, fungus, viruses, and yeast. In this present study, the silver nanoparticle is produced using Vitis vinifera fruit extract, and the purified nanoparticles will be used as an antibacterial agent against Bacillus subtilis and Klebsiella planticola. This green chemistry for the biosynthesis of silver nanoparticles has several advantages such as cost-effectiveness and compatibility for biomedical and pharmaceutical applications as well as for large-scale commercial production. Apart from this, it is an eco-friendly process, and compared with microorganisms, plant extract biorecovery unit has an added benefit of ease handling.
Highlights
Nanotechnology is the synthesis of particles with at least one dimension in the range of 1–100 nm, resulting in high surface to volume ratios
The fresh extract of S. spinosa was yellow in color, but after addition of AgNO3 solution and stirring at room temperature, gradually the solution color changed into red (Fig. 1)
Various metabolites from plant extract introduced to solution make the plasmon band broad because they may be read in this spectrophotometric range, too
Summary
Nanotechnology is the synthesis of particles with at least one dimension in the range of 1–100 nm, resulting in high surface to volume ratios. Silver nanoparticles have attracted much attention due to their unique characteristics for utilizing in various applications including pharmaceutics, agriculture, water detoxification, air filtration, textile industries and as a catalyst in oxidization reactions [7,8,9]. Their predominant property is their high antibacterial activity against a broad range of bacteria without any toxicity to animal cells [10,11,12]. Scientists overcome this issue using biologically synthesized NPs coated with biomolecules that are more biocompatible [31, 32]
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