Abstract
Abstract Synthesis of nanomaterials by biological approach is innovative, cheaper and environmental friendly and requires less-labor. In this regard, the present study focused on the synthesis of silver nanoparticles from the extract of Sargassum tenerrimum. Synthesized silver nanoparticles were well-characterized by UV-Visible Spectroscopy (UV-Vis), Fourier-Transform Infra-red Spectroscopy (FT-IR), Transmission Electron Microscopy analysis (TEM) and Dynamic Light Scattering (DLS). It was found that spherical shaped nanoparticles of size 20 nm were found in TEM analysis and showed effective anti-bacterial activity against standard reference strains. Altogether, extracts from seaweed were screened for phytochemicals followed by FT-IR prediction to reveal chemical functional groups present. The results showed that the anti-bacterial activity of silver nanoparticles was comparably higher than the phytochemicals present. Therefore, the present study elucidates silver nanoparticles can play a vital role in nano-based therapy in future.
Highlights
The non-polluting nanotechnologies have revolutionized the production of nanomaterials as environmentally safe products
With reference to the biological perspectives, we report on the biosynthesis of silver nanoparticles from marine brown seaweed, Sargassum tenerrimum
Researchers predict that bio-reduction of metal compounds by plants is due to the presence of phytochemicals [2]. Watersoluble phytochemicals such as polyphenols, flavones, organic acids and quinones are greatly responsible for immediate reduction. Taking this as an initiative, we aimed to instigate the anti-bacterial efficacy of rapidly biosynthesized silver nanoparticles from Sargassum tenerrimum with that of its phytochemical constituents
Summary
The non-polluting nanotechnologies have revolutionized the production of nanomaterials as environmentally safe products. Several chemicals used in the synthesis of nanoparticles are toxic which leads to environmental pollution [1]. An alternative methodology is mandatory to trounce the toxic and polluting chemicals, along with various reducing and stabilizing agents. The naturally available biological resources can be an alternative source for the biosynthesis of nanoparticles [2,3,4]. Seaweeds are group of marine plants that are rich source of biologically active substances with biomedical applications. Biosynthesis of nanoparticles using seaweeds has turned much of our attention towards the utilization of renewable marine resources
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