Anti-bacterial Property of Hydrogen-ion and Oxygen-ion Treated Polytetrafluoroethylene (PTFE) Materials

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概要

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• 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 Id improved material hydrophobicity and higher Id resulted in enhanced hydrophilicity, while oxygen treatment shows that as the Id increases, 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.

• 社団法人 プラズマ・核融合学会の論文

著者

• Ramos Henry

  Plasma Physics Laboratory National Institute Of Physics College Of Science University Of The Philipp

• BLANTOCAS Gene

  Department of Electrical Engineering, College of Engineering, Qassim University, Buraydah 51452, Kingdom of Saudi Arabia

• III Hernando

  Plasma Physics Laboratory, National Institute of Physics, College of Science, University of the Philippines, Diliman, Quezon City 1101, Philippines

• ONG Vanissa

  Molecular Protozoology Laboratory, Natural Sciences Research Institute, College of Science, University of the Philippines, Diliman, Quezon City 1101, Philippines

• RIVERA Windell

  Molecular Protozoology Laboratory, Natural Sciences Research Institute, College of Science, University of the Philippines, Diliman, Quezon City 1101, Philippines

• HIPOLITO Ralph

  Molecular Protozoology Laboratory, Natural Sciences Research Institute, College of Science, University of the Philippines, Diliman, Quezon City 1101, Philippines

関連論文

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• Optical Emission Signatures of Dual Planar Magnetron Plasmas for TiO2 Deposition
• Effect of Surface and Growth Conditions for Formation of Textured Polycrystalline GaN Crystals by Reactive N2 Plasma
• Anti-bacterial Property of Hydrogen-ion and Oxygen-ion Treated Polytetrafluoroethylene (PTFE) Materials

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