Golestan University of Medical Sciences Repository

Synthesis and characterization of nanoparticles and composites as bactericides

R. Kalankesh, L. and Rodríguez-Couto, S. and Zazouli, M.A. and Shahamat, Y.D. and Ali Dianati, R. and Arghiani, M. (2019) Synthesis and characterization of nanoparticles and composites as bactericides. Journal of Microbiological Methods, 167.

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Abstract

In the present study, SiO2-TiO2 hybrid nanomaterial and zeolite-TiO2 (Z-TiO2) composites were synthesized by the sol-gel method. Then, the antibacterial activity of the above-mentioned synthesized materials, SiO2 and zeolite (Z) was investigated by the disk diffusion method using Echerichia coli and Enterobacter aerogenes as test microorganisms. All the materials showed antibacterial activity against E. coli with 7.2, 10.7, 3.5 and 8.2 mm of inhibition zone for SiO2-TiO2 hybrid nanomaterial, SiO2, zeolite and Z-TiO2 composite, respectively. However, none of them showed antibacterial activity against E. aerogenes. The obtained results pointed out that these natural-based materials (i.e. Z, SiO2, Z-TiO2 and SiO2-TiO2), known to be noncarcinogenic and nontoxic, can be used as disinfectants against E. coli (an important indicator of the bacteriological quality of water) as safe and eco-friendly alternatives to chlorine. © 2019 Elsevier B.V.

Item Type: Article
Additional Information: cited By 0
Uncontrolled Keywords: bactericide; nanoparticle; silica nanoparticle; titanium dioxide nanoparticle; zeolite, antibacterial activity; Article; bacterium isolation; chemical analysis; disk diffusion; Enterobacter aerogenes; Escherichia coli; green chemistry; nonhuman; priority journal; synthesis; zone of inhibition
Subjects: فارماکولوژی QV > بیوتکنولوژی دارویی
> دانشکده داروسازی > فارماکولوژی QV > بیوتکنولوژی دارویی

QTفیزیولوژی
فارماکولوژی QV
> دانشکده داروسازی > فارماکولوژی QV

میکروب شناسی وایمنی شناسی QW
مقالات نمایه شده محققین دانشگاه در سایت ,Web of Science ,Scopus
Divisions: معاونت تحقیقات و فناوری
Depositing User: GOUMS
Date Deposited: 10 Dec 2019 09:35
Last Modified: 10 Dec 2019 09:35
URI: http://eprints.goums.ac.ir/id/eprint/10353

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