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Biosynthesis of Selenium Nanoparticles using yeast Nematospora coryli and examination of their anti-candida and anti-oxidant activities.

Authors
  • Rasouli, Mohammad1
  • 1 Department of Biotechnology, Shahid Bahonar University of Kerman, Kerman, Iran. [email protected]. , (Iran)
Type
Published Article
Journal
IET nanobiotechnology
Publication Date
Apr 01, 2019
Volume
13
Issue
2
Pages
214–218
Identifiers
DOI: 10.1049/iet-nbt.2018.5187
PMID: 31051453
Source
Medline
Language
English
License
Unknown

Abstract

Selenium (Se) is a rare and essential element for the human body and other living organisms because of its role in the structure of several proteins and having anti-oxidant properties to reduce oxidative stress at cells. Some microorganisms can absorb Se oxyanions and convert them into zero-valent Se (Se0) in the nanoscale dimensions, which can be used for producing Se nanoparticles (SeNPs). In the present study, SeNPs were intracellularly biosynthesised by yeast Nematospora coryli, which is an inexpensive method and does not involve using materials hazardous for human and environment. The produced NPs were refined by a two-phase system and then characterised and identified by ultraviolet-visible, X-ray diffraction, X-ray fluorescence, transmission electron microscope, and Fourier transform infrared spectroscopy analyses. The structural analysis of biosynthesised SeNPs showed spherical-shaped NPs with size ranging from 50 to 250 nm. Also, extracted NPs were applied to explore their anti-candida and anti-oxidant activities. The results of this investigation confirm the biological properties of Se.

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