Abstract
Antibacterial properties of silver ion are known from ancient times. The plant extract mediated synthesis of nanoparticles is gaining popularity due to green chemistry for the generation of nanosized materials. Corchorus olitorus Linn and Ipomea batatas (L.) Lam are world crops having leaves of high nutritional value. In the present work, Ag and AgCl nanoparticles were synthesized by incubating leaf aqueous extracts with silver nitrate salt, making them to react in the dark. Plasmon resonance bands, studied by ultraviolet spectroscopy, have been obtained. X-ray diffraction (XRD) revealed the average size of pure crystallites composed of Ag and AgCl. Optimization studies for the synthesis process highlight positive impact of pH, reaction time and reactants quantities. Key words: Silver, nanoparticles, Corchorus olitorus , Ipomea batatas , X-ray diffraction.
Highlights
Silver nanoparticles are receiving great attention due to their applications in different areas such as biotechnology, packaging, electronics, medicine and coatings (Solgi, 2014)
Now-a-days, the colloidal silver nanoparticles have been used as antimicrobial agent, wound dressing material, bone and tooth cement and water purifier as well (Narayanan and Sakthivel, 2011)
The absorption spectra of the synthesized silver nanoparticles were recorded against water in order to monitor the formation and stability of silver nanoparticles
Summary
Silver nanoparticles are receiving great attention due to their applications in different areas such as biotechnology, packaging, electronics, medicine and coatings (Solgi, 2014). Most of the nanoparticles used in biotechnologies rely on the use of toxic reducing agents (e.g. sodium borohydride) and harmful organic solvents (e.g. N, Ndimethylformamide (DMF), tetrahydrofuran (THF)) (Nahar et al, 2015). These chemicals have potential biological and environmental risks. To solve these problems, biosynthesis of nanomaterials is a growing need to develop environmental-friendly and clean green methods of nanoparticles preparation using non-toxic chemicals and renewable reducing agents (Nahar et al, 2015)
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