AIMS Silver nanoparticles exhibit unique antibacterial properties that make these ideal candidates for biological and medical applications. We utilized a clean method involving a single synthetic step to prepare silver nanoparticles that exhibit antimicrobial activity. MATERIALS & METHODS These nanoparticles were prepared by reducing silver nitrate with diaminopyridinylated heparin (DAPHP) an...

In this paper we have reported the biosynthesis of silver nanoparticles using Penicillium sp. was isolated from the soil sample collected from Pallavakam beach of Chennai, Tamil Nadu India. When the fungal biomass was challenged with 1mM Silver nitrate (AgNO3) results in the change of solution color in to dark brown shows the formation of Silver nanoparticles(SNP).These Silver nanoparticles wer...

Silver nanoparticles and silver-graphene oxide nanocomposites were fabricated using a rapid and green microwave irradiation synthesis method. Silver nanoparticles with narrow size distribution were formed under microwave irradiation for both samples. The silver nanoparticles were distributed randomly on the surface of graphene oxide. The Fourier transform infrared and thermogravimetry analysis ...

Bioreduction of silver nanoparticles (AgNPs) from silver ions (Ag) using water extract of Thai basil leaf was successfully carried out. The basil leaf extract provided a reducing agent and stabilizing agent for a synthesis of metal nanoparticles. Silver nanoparticles received from cut and uncut basil leaf was compared. The resulting silver nanoparticles are characterized by UV-Vis spectroscopy....

The goal of the present study was to investigate the toxicity of biologically prepared small size of silver nanoparticles in human lung epithelial adenocarcinoma cells A549. Herein, we describe a facile method for the synthesis of silver nanoparticles by treating the supernatant from a culture of Escherichia coli with silver nitrate. The formation of silver nanoparticles was characterized using...

the development of the eco friendly procedures makes nanoparticles as the rapidly growing field of nanotechnology. amongst, the silver nanoparticles have become prominent in the field of medicine to their peculiar antimicrobial properties. in the present study we suggest an eco friendly procedure of extracellular synthesis of silver nanoparticles with an average sizes of 5-50nm using an actinom...

objective(s): nowadays, nanoparticles bio production, considering their performance in medicine and biological science, is increasing. green synthesis of metal nanoparticles using organisms has emerged as a nontoxic and ecofriendly method for synthesis of metal nanoparticles the objectives of this study were the production of silver nanoparticles using avena sativa l. extract and optimization o...

Herein we report the development of anisotropic bimetallic nanoparticles where aerosol gold nanoparticles served as the seeds for the continuous deposition of silver atoms on their surfaces. Initially, aerosol gold nanoparticles were formed by spark discharge and then injected into a silver precursor solution in an impinging device. The gold nanoparticles acted as the seed particles, and cataly...

Chemicals typically available in plants have the capability to reduce silver and gold salts and to create silver and gold nanoparticles. We report the preparation of silver nanoparticles with sizes between 10 and 300 nm from silver nitrate using fruit extract collected from pineapples and oranges as reducing agents. The evolvement of a characteristic surface plasmon extinction spectrum in the r...

UNLABELLED Silver nanoparticles are well known potent antimicrobial agents. Although significant progresses have been achieved on the elucidation of antimicrobial mechanism of silver nanoparticles, the exact mechanism of action is still not completely known. This overview incorporates a retrospective of previous reviews published and recent original contributions on the progress of research on ...