Biosynthesis of Silver Nanoparticles (AgNPs) Using Bacteria Isolated From Heavy Metal Contaminated Soil Sample
Journal Title: GJRA-Global Journal For Research Analysis - Year 2015, Vol 4, Issue 5
Abstract
Recently the biological synthesis of nanoparticles and its therapeutic use has been increased. The uses of microorganisms such as bacteria, fungi and Actinomycetes as well as materials of animals and plant origin are reported to be used for the biosynthesis of nanoparticles. In present study an attempt has been made for the synthesis of silver nanoparticles using bacterial species isolated from heavy metal (Ag) contaminated soil. All the isolates were tested for Extracellular synthesis of Nanoparticle. The nanoparticles synthesized were screened adopting silver ion reduction test and was monitored by UV-Visible spectroscopy. The nanoparticles exhibited λ max in the range of 420-450nm, corresponding to the Plasmon resonance of silver nanoparticle. Amongst total 26 isolates, only 5 isolates viz., E.coli, Klebsiella, Enterobacter, Proteus, Pseudomonas, Species showed synthesis of Ag nanoparticle this indicates the potential of soil bacteria to reduce the silver salts. The present study indicates the possibilities of bacterial transformation method for the synthesis of Silver nanoparticle as an effective and economical method over chemical synthesis.
Authors and Affiliations
Payal Agrawal, Nikhilesh Kulkarni
EFFICACY OF LOWER DOSES OF HYPERBARIC BUPIVACAINE WITH OPIOID ADJUVANT IN ELECTIVE CESAREAN DELIVERY: AN OBSERVATIONAL STUDY
Background and aims: Hemodynamic stability following spinal anaesthesia in caesarean delivery may be achieved with lower dose of the drug at the expense of surgical condition which is not desired. So this study was perfo...
A STUDY ON A CASE OF ASTROCYTOMA WITH MICROSCOPIC CALCIFICATIONS (PSAMMOMA BODIES)
This paper presents the case of a 46 years old male patient with a history of generalized tonic –clonic seizure, progressive loss of memory and diminished vision induced by densely calcied intra-axial tumor located at t...
Study of Stress on Mental Health of Teacher Trainees
The present study aims to assess and compare the stress with mental health of teacher trainees. For this purpose 600 teacher trainees were selected from various educational institutions of four districts of Punjab state,...
APPROACHES TO A-COM ARTERY ANEURYSMS: DIFFERENT PATHS FOR ONE GOAL
BACKGROUND: A-com artery aneurysms are the most common intracranial aneurysms. Clipping and coiling are the two options available for treatment of these aneurysms. Microsurgical clipping, although invasive, is more suita...
Corporate Taxation Growth of Textile Industry in India
The Indian textile industry is one of the largest in the world with a massive raw material and textiles manufacturing base. Our economy is largely dependent on the textile manufacturing and trade in addition to other maj...