Anti-bacterial property of hydrogen-ion and oxygen-ion treated polytetrafluoroethylene (PTFE) materials

H S Salapare III; G Q Blantocas; W L Rivera; Vanissa A Ong; R S Hipolito; H J Ramos

doi:10.1585/pfr.6.2406043

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Anti-bacterial property of hydrogen-ion and oxygen-ion treated polytetrafluoroethylene (PTFE) materials

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Anti-bacterial property of hydrogen-ion and oxygen-ion treated polytetrafluoroethylene (PTFE) materials

H S Salapare III, G Q Blantocas, W L Rivera, Vanissa A Ong, R S Hipolito and H J Ramos

Plasma and Fusion Research, Vol.6

2011

DOI: https://doi.org/10.1585/pfr.6.2406043

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Abstract

polytetrafluoroethylene

gas discharge ion source

oxygen plasma

hydrogen plasma

Escherichia coli

bacterial adhesion

The anti-bacterial property of hydrogen-ion and oxygen-ion treated polytetrafluoroethylene (PTFE)materials is determined using contact angle measurements, scanning electron microscopy (SEM), and Escherichia coli (E. coli) adhesion tests. PTFE samples are irradiated using a gas discharge ion source (GDIS). Ion energies are varied by changing the plasma discharge current (Id). Results show that both the hydrogen and oxygen plasma treatments modify the PTFE surface in morphology. Both treatments exhibited changes in the wettability of the samples at different Id, Hydrogen treatment shows that lower Idimproved material hydrophobicity and higher Idresulted in enhanced hydrophilicity, while oxygen treatment shows that as the Idincreases, PTFE becomes more hydrophilic. The hydrogen and the oxygen treated PTFE exhibited a reduced E. coli attachment on the samples. Oxygen treatment exhibited a lower E. coli adhesion as compared to using hydrogen. © 2011 The Japan Society of Plasma Science and Nuclear Fusion Research.

Details

Title: Anti-bacterial property of hydrogen-ion and oxygen-ion treated polytetrafluoroethylene (PTFE) materials
Authors: H S Salapare III (Author) - National Institute of Physics, Philippines
G Q Blantocas (Author) - University of the Philippines, Philippines
W L Rivera (Author) - University of the Philippines, Philippines
Vanissa A Ong (Author) - University of the Philippines, Philippines
R S Hipolito (Author) - University of the Philippines, Philippines
H J Ramos (Author)
Publication details: Plasma and Fusion Research, Vol.6; 4
Publisher: Purazuma Kaku Yugo Gakkai
Date published: 2011
DOI: 10.1585/pfr.6.2406043
ISSN: 1880-6821
Organisation Unit: University of the Sunshine Coast, Queensland
Language: English
Record Identifier: 99451169402621
Output Type: Journal article

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