alexa Enhanced antimicrobial activity of silver nanoparticles synthesized by Cryphonectria sp. evaluated singly and in combination with antibiotics.
Microbiology

Microbiology

Journal of Bacteriology & Parasitology

Author(s): Dar MA, Ingle A, Rai M

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Abstract The newly identified pathogenic species of the genus Cryphonectria was exploited for the synthesis of silver nanoparticles (AgNPs). The extracellular synthesis of nanoparticles was fast and eco-friendly. These nanoparticles were analyzed and determined by ultraviolet-visible spectrophotometry, which detected AgNPs in the solution, and by NanoSight LM20, which determined their average size and concentration. The synthesized AgNPs showed a little monodispersity in the range of 30-70 nm with a concentration of 6.82 × 10(8) particles per milliliter of solution. The AgNPs demonstrated antibacterial activity against Staphylococcus aureus, Escherichia coli, Salmonella typhi, and Candida albicans, with comparatively higher activity against both S. aureus and E. coli than against S. typhi and C. albicans, which showed the lowest activity. The present study demonstrates the possible use of biologically synthesized AgNPs in the field of medicine. Thus, Cryphonectria sp. could be used for simple, nonhazardous, and efficient synthesis of AgNPs. FROM THE CLINICAL EDITOR: In this study Cryphonectria sp. was exploited for simple, nonhazardous, and efficient biosynthesis of silver nanopartricles, which had antibacterial activity against a variety of human pathogenic bacteria. Copyright © 2013 Elsevier Inc. All rights reserved. This article was published in Nanomedicine and referenced in Journal of Bacteriology & Parasitology

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