当前位置： SCI文献检索 > MICROBIAL PATHOGENESIS期刊下所有文献 > Biomolecules-mediated synthesis of selenium nanoparticles using Aspergillus oryzae fermented Lupin extract and gamma radiation for hindering the growth of some multidrug-resistant bacteria and pathogenic fungi.

Biomolecules-mediated synthesis of selenium nanoparticles using Aspergillus oryzae fermented Lupin extract and gamma radiation for hindering the growth of some multidrug-resistant bacteria and pathogenic fungi.

Abstract：

:Biosynthesis of nanoparticles by fermented plants using microbes is an eco-friendly and cost-effective process. In this study, we used the fungus Aspergillus orayzae for the fermentation process. The aqueous extract of fermented Lupin (AEFL) possesses the ability to reduce selenium ion in the presence of gamma rays evidenced by the color changes to red. Elemental composition, surface morphology, size determenation, and identity of selenium nanoparticles (SeNPs) were verified by UV-Vis., TEM, DLS, XRD, EDX, SEM and FT-IR. Antimicrobial activity of SeNPs was tested towards multidrug-resistant (MDR) bacteria, and some pathogenic fungi. TEM with DLS analysis confirmed the formation of sphere isotropic, poly-dispersed SeNPs with average particle size 55.0 nm. The nucleation and mechanism of SeNPs production was discussed. Our results revealed that, gamma ray (30.0 kGy) was played a significant role in SeNPs synthesis. The synthesized SeNPs were active towards Acinetobacter calcoaceticus (15.0 mm ZOI) and Staphylococcus aurus (16.6 mm ZOI). Additionally, SeNPs were inhibiting Candida albicans (15.3 mm ZOI) and mycotoxin producing Aspergillus flavus (29.6 mm ZOI). Depending on the unique characteristics, and the novelty in biosynthesis process of SeNPs, it must be candidates in biomedicine, prevent food spoilage, cosmetics, and pharmaceutics as green antimicrobial agent.

journal_name

Microb Pathog

journal_title

Microbial pathogenesis

authors

Mosallam FM,El-Sayyad GS,Fathy RM,El-Batal AI

doi

10.1016/j.micpath.2018.06.013

subject

Has Abstract

pub_date

2018-09-01 00:00:00

pages

108-116

eissn

0882-4010

issn

1096-1208

pii

S0882-4010(18)30563-1

journal_volume

122

pub_type

杂志文章

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