alexa Biosynthesis and Characterization of Selenium Nanoparticles Produced by Terrestrial Actinomycete Streptomyces microflavus Strain FSHJ31
E- ISSN: 2320 - 3528
P- ISSN: 2347 - 2286

Research & Reviews: Journal of Microbiology and Biotechnology
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Research Article

Biosynthesis and Characterization of Selenium Nanoparticles Produced by Terrestrial Actinomycete Streptomyces microflavus Strain FSHJ31

Hamid Forootanfar1, Bijan Zare2,3, Homasadat Fasihi-Bam4, Sahar Amirpour-Rostami1, Atefe Ameria, Mojtaba Shakibaie5*, and Mohammad Torabi Nami6*

1Pharmaceutics Research Center, Kerman University of Medical Sciences, Kerman, Iran

2Department of Medical Biotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran

3Cellular and Molecular Research Center, Yasuj University Of Medical Sciences, Yasuj, Iran

4The Student Research Committee, Faculty of Pharmacy, Kerman University of Medical Sciences, Kerman, Iran

5Herbal and Traditional Medicines Research Center, Kerman University of Medical Sciences, Kerman, Iran

6Department of Neuroscience, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran

*Corresponding Author:
Mojtaba Shakibaie
Herbal and Traditional Medicines Research Center, Kerman University of Medical Sciences, Kerman, Iran.

Mohammad Torabi Nami
Department of Neuroscience, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran.

Received date: 10/10/2013; Accepted date: 16/12/2013

 

Abstract

During last decades, study on the development of eco-friendly processes for the production of selenium nanoparticles (Se NPs) have received much attention due to hazardous effects of chemical compounds used for nanoparticle preparation. The present study was designed to screen actinomycete strains able to produce Se NPs. Among isolated bacterial strains, a terrestrial actinomycete strain which was tolerant to Se4+ ions (200 μg/ml of) was launched as Se NPs producer. Morphological and biochemical characteristics as well as 16S rDNA gene analysis of the selected strain introduced it as Streptomyces microflavus strain FSHJ31. The biologically synthesized Se NPs was then purified using n-Octyl alcohol/water extraction system and characterized by UV-vis spectroscopy, transmission electron microscopy (TEM), energy dispersive X-ray (EDX) and Fourier transform infrared spectroscopy (FTIR) techniques. Analysis of the particle size distribution pattern of biogenic Se NPs via laser light scattering method demonstrated the size range of 28–123 nm for Se NPs with the 48 nm NPs being the most frequent particles.

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