a simple, inexpensive and one-step synthesis route of ag-tio2 nanoparticles by arc discharge method isreported. the resulting nanoparticles were characterized using x-ray diffraction and scanning electronmicroscopy. x-ray diffraction patterns demonstrate dominance of rutile to anatase phase in tio2 andformation of silver metal on tio2 after arc discharge process. scanning electron microscopy im...

recently, biosynthesis of nanoparticles has received attention due to an increasing need of developing rapid, simple and ecofriendly protocol. pathogenicity of some of the organisms and lengthy reaction are the drawbacks involved with biosynthesis. we describe a simple protocol for rapid synthesis of silver nanoparticles through biological route using a marine-derived fungus aspergillus niger. ...

The exploitation of various plant materials for the biosynthesis of nanoparticles is considered a green technology as it does not involve any harmful chemicals. The aim of this study was to develop a simple biological method for the synthesis of silver and gold nanoparticles using Chrysopogon zizanioides. To exploit various plant materials for the biosynthesis of nanoparticles was considered a ...

Hexagonally ordered mesoporous silica materials MCM-41 and SBA-15 have been synthesized and loaded with Ag nanoparticles, utilizing both chemical synthesis and ultrashort pulsed laser ablation in liquid. In laser ablation, a silver target, immersed in aqueous suspension of ordered mesoporous silica SBA-15, was irradiated by ultra-short laser pulses to generate silver nanoparticles. For comparis...

Silver nanoparticles (SNPs) were synthesized by using an aqueous extract of the green seaweed Chaetomorpha antennina. Synthesized SNPs characterized UV-Visible spectroscopy, FTIR, XRD, FESEM, EDAX, and DLS with Zeta potential techniques. The formation is confirmed appearance signatory brown color solution a characteristic peak at 452 nm in UV-Vis spectrum. FTIR spectrum indicated 11 intense pea...

Silver is composed of a large percentage of silver oxide due to their large ratio of surface to bulk silver atoms. Silver nanoparticles have been a potent antibacterial, antifungal, anti-viral and anti-inflammatory agent. A simple, eco-friendly, inexpensive biosynthetic method was employed to synthesize silver nanoparticles.  The present study aimed at the comparative study of silver nanopartic...

The biosynthesis of nanoparticles has been proposed as a cost effective environmental friendly alternative to chemical and physical methods. Microbial synthesis of nanoparticles is under exploration due to wide biomedical applications, research interest in nanotechnology and microbial biotechnology. In the present study, an ecofriendly process for the synthesis of nanoparticles using a novel No...

The biogenic synthesis of metal nanomaterial offers an environmentally benign alternative to the traditional chemical synthesis routes. In the present study, the green synthesis of silver nanoparticles (AgNPs) from aqueous solution of silver nitrate (AgNO3) by using Nigella arvensis L. seed powder extract (NSPE) has been reported. AgNPs were characterized by UV–vis absorption spectroscopy with ...

The biogenic synthesis of metal nanomaterial offers an environmentally benign alternative to the traditional chemical synthesis routes. In the present study, the green synthesis of silver nanoparticles (AgNPs) from aqueous solution of silver nitrate (AgNO3) by using Nigella arvensis L. seed powder extract (NSPE) has been reported. AgNPs were characterized by UV–vis absorption spectroscopy with ...

Here we report synthesis of silver nanoparticles using leaf extracts of four varieties of lemongrass (Cymbopogon flexuosus) namely krishna, neema, pragati and suvarna and their antibacterial activities against drug resistant bacteria Staphylococcus aureus, Pseudomonas aeruginosa and Acinatobacter bamunnii. Silver nanoparticles were synthesized by the bio-reduction of silver nitrate solution (1 ...