Antibacterial activity of silver and titania nanoparticles on glass surfaces

Ruut Kummala; Kofi Brobbey; Janne Haapanen; Jyrki M Mäkelä; Marianne Gunell; Erkki Eerola; Pentti Huovinen; Martti Toivakka; Jarkko J Saarinen

doi:10.1088/2043-6254/ab0882

Antibacterial activity of silver and titania nanoparticles on glass surfaces

Ruut Kummala, Kofi Brobbey, Janne Haapanen, Jyrki M Mäkelä, Marianne Gunell, Erkki Eerola, Pentti Huovinen, Martti Toivakka, Jarkko J Saarinen

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Abstract

A liquid flame spray (LFS) nanoparticle deposition process was used to generate glass surfaces with silver (Ag) and titania (TiO₂) nanoparticles for antibacterial activity against two common pathogenic bacteria causing community-associated and hospital-acquired infections, gram positive Staphylococcus aureus (S aureus) and gram negative Escherichia coli (E coli). All nanoparticle coatings increased antibacterial activity compared to a reference glass surface. The Ag nanoparticle coatings showed the highest antibacterial activity with E coli. On the contrary, TiO₂ nanoparticle coatings were found to have a higher antibacterial activity against S aureus than E coli. No significant differences in antibacterial activity were observed between the two used nanoparticle deposition amounts.

Original language	Undefined/Unknown
Pages (from-to)	–
Journal	Advances in Natural Sciences: Nanoscience and Nanotechnology
Volume	10
Issue number	1
DOIs	https://doi.org/10.1088/2043-6254/ab0882
Publication status	Published - 2019
MoE publication type	A1 Journal article-refereed

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10.1088/2043-6254/ab0882

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Cite this

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title = "Antibacterial activity of silver and titania nanoparticles on glass surfaces",

abstract = "A liquid flame spray (LFS) nanoparticle deposition process was used to generate glass surfaces with silver (Ag) and titania (TiO2) nanoparticles for antibacterial activity against two common pathogenic bacteria causing community-associated and hospital-acquired infections, gram positive Staphylococcus aureus (S aureus) and gram negative Escherichia coli (E coli). All nanoparticle coatings increased antibacterial activity compared to a reference glass surface. The Ag nanoparticle coatings showed the highest antibacterial activity with E coli. On the contrary, TiO2 nanoparticle coatings were found to have a higher antibacterial activity against S aureus than E coli. No significant differences in antibacterial activity were observed between the two used nanoparticle deposition amounts.",

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T1 - Antibacterial activity of silver and titania nanoparticles on glass surfaces

AU - Kummala, Ruut

AU - Brobbey, Kofi

AU - Haapanen, Janne

AU - M Mäkelä, Jyrki

AU - Gunell, Marianne

AU - Eerola, Erkki

AU - Huovinen, Pentti

AU - Toivakka, Martti

AU - J Saarinen, Jarkko

N1 - paf Published 20 March 2019 - Articles published in Volume 10 onwards are published on a subscription basis and are fully protected by copyright. - Articles published in Volumes 4-9 are published on an open access basis under a Creative Commons Attribution 3.0 Unported (CC-BY 3.0) licence. Accepted Manuscript, 12 month embargo period (which runs from the date of first online publication on IOPscience of the Final Published Version). ------------------------------------------------------------ Har kontaktat [email protected] den 10.2.2020/LN -> Toivakka ------------------------------------------------------------

PY - 2019

Y1 - 2019

N2 - A liquid flame spray (LFS) nanoparticle deposition process was used to generate glass surfaces with silver (Ag) and titania (TiO2) nanoparticles for antibacterial activity against two common pathogenic bacteria causing community-associated and hospital-acquired infections, gram positive Staphylococcus aureus (S aureus) and gram negative Escherichia coli (E coli). All nanoparticle coatings increased antibacterial activity compared to a reference glass surface. The Ag nanoparticle coatings showed the highest antibacterial activity with E coli. On the contrary, TiO2 nanoparticle coatings were found to have a higher antibacterial activity against S aureus than E coli. No significant differences in antibacterial activity were observed between the two used nanoparticle deposition amounts.

AB - A liquid flame spray (LFS) nanoparticle deposition process was used to generate glass surfaces with silver (Ag) and titania (TiO2) nanoparticles for antibacterial activity against two common pathogenic bacteria causing community-associated and hospital-acquired infections, gram positive Staphylococcus aureus (S aureus) and gram negative Escherichia coli (E coli). All nanoparticle coatings increased antibacterial activity compared to a reference glass surface. The Ag nanoparticle coatings showed the highest antibacterial activity with E coli. On the contrary, TiO2 nanoparticle coatings were found to have a higher antibacterial activity against S aureus than E coli. No significant differences in antibacterial activity were observed between the two used nanoparticle deposition amounts.

U2 - 10.1088/2043-6254/ab0882

DO - 10.1088/2043-6254/ab0882

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SN - 2043-6254

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JO - Advances in Natural Sciences: Nanoscience and Nanotechnology

JF - Advances in Natural Sciences: Nanoscience and Nanotechnology

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