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The plasma-chemical formation of polysorbate 80-coated silver nanoparticles and composite materials for water treatment

The plasma-chemical formation of polysorbate 80-coated silver nanoparticles and composite... This paper aims to propose a simple, eco-friendly method for obtaining colloidal solutions of silver nanoparticles (Ag NPs) by using of contact non-equilibrium low-temperature plasma in presents polysorbate-80 and to assess their antibacterial activity in composite materials (beads) for water treatment process.Design/methodology/approachSilver nanoparticles were prepared in aqueous AgNO3 solution by using of contact non-equilibrium low-temperature plasma in the present of nonionic surfactant polysorbate-80 (Tween 80) as capping agent. Ultraviolet–visible (UV) spectroscopy, X-ray diffraction and zeta potential analysis were used to study the formation and properties of silver nanoparticles.FindingsThe formation of silver colloidal solutions in the presence of capping agent under plasma discharge is characterized by the presence of peak λmax = 380 – 402 nm in the spectra. The addition of sodium alginate into the reaction mixture allows synthesizing stable colloidal silver solutions. The average size of formed silver particles is up to 50 nm. Ag NPs exhibited an excellent bactericidal activity against both gram-positive and gram- negative bacteria. Composite beads prepared using nonionic surfactant were found to be effective in disinfecting the Staphylococcus aureus to different extents.Research limitations/implicationsFurther studies are necessary for confirmation of the practical application, especially of the toxicity of Ag NPs, as well as the sorption properties of the alginate beads with Ag NPs.Practical implicationsThe method provides a simple and practical solution to improving the synthesis of colloidal solutions of Ag NPs for water treatment process.Originality/valueContact nonequilibrium low-temperature plasma can be used as an effective technique for synthesis of nanomaterials. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Pigment & Resin Technology Emerald Publishing

The plasma-chemical formation of polysorbate 80-coated silver nanoparticles and composite materials for water treatment

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References (26)

Publisher
Emerald Publishing
Copyright
© Emerald Publishing Limited
ISSN
0369-9420
DOI
10.1108/prt-11-2018-0114
Publisher site
See Article on Publisher Site

Abstract

This paper aims to propose a simple, eco-friendly method for obtaining colloidal solutions of silver nanoparticles (Ag NPs) by using of contact non-equilibrium low-temperature plasma in presents polysorbate-80 and to assess their antibacterial activity in composite materials (beads) for water treatment process.Design/methodology/approachSilver nanoparticles were prepared in aqueous AgNO3 solution by using of contact non-equilibrium low-temperature plasma in the present of nonionic surfactant polysorbate-80 (Tween 80) as capping agent. Ultraviolet–visible (UV) spectroscopy, X-ray diffraction and zeta potential analysis were used to study the formation and properties of silver nanoparticles.FindingsThe formation of silver colloidal solutions in the presence of capping agent under plasma discharge is characterized by the presence of peak λmax = 380 – 402 nm in the spectra. The addition of sodium alginate into the reaction mixture allows synthesizing stable colloidal silver solutions. The average size of formed silver particles is up to 50 nm. Ag NPs exhibited an excellent bactericidal activity against both gram-positive and gram- negative bacteria. Composite beads prepared using nonionic surfactant were found to be effective in disinfecting the Staphylococcus aureus to different extents.Research limitations/implicationsFurther studies are necessary for confirmation of the practical application, especially of the toxicity of Ag NPs, as well as the sorption properties of the alginate beads with Ag NPs.Practical implicationsThe method provides a simple and practical solution to improving the synthesis of colloidal solutions of Ag NPs for water treatment process.Originality/valueContact nonequilibrium low-temperature plasma can be used as an effective technique for synthesis of nanomaterials.

Journal

Pigment & Resin TechnologyEmerald Publishing

Published: Aug 21, 2019

Keywords: New technology; Composite materials; Metals; Plasma; Water

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