Pulse plasma deposition of Terpinen-4-ol: an insight into polymerization mechanism and enhanced antibacterial response of developed thin films

Kumar, Avishek, Al-Jumaili, Ahmed, Prasad, Karthika, Bazaka, Kateryna, Mulvey, Peter, Warner, Jeffrey, and Jacob, Mohan (2020) Pulse plasma deposition of Terpinen-4-ol: an insight into polymerization mechanism and enhanced antibacterial response of developed thin films. Plasma Chemistry and Plasma Processing, 40. pp. 339-355.

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Abstract

Antifouling/antibacterial coating derived from a sustainable natural resource for biomedical devices have shown promising outcomes, especially in the prevention of bacterial growth. Herein, pulse-plasma chemical vapour deposition is used to fabricate antimicrobial coatings from Terpinen-4-ol, a tea tree oil-based precursor. In this manuscript, during RF plasma polymerisation, pulsed plasma is used to retain the pristine monomer structure in the developed stable coating and thereby enhance its antibacterial activity. The developed films have tunable physical and chemical properties. Diverse film surface properties were obtained by varying the plasma deposition parameters, mainly the deposition mode (pulse and continuous wave) and duty cycle. The role of film wettability on degree of bacterial attachment has been elucidated. Overall, the number of viable bacteria on all the deposited coatings (25-30%) were reduced to half with respect to the control (56%).

Item ID: 61128
Item Type: Article (Research - C1)
ISSN: 1572-8986
Keywords: Pulse-PECVD, Polymer thin films, Antibacterial coatings, Plasma polymers
Copyright Information: © Springer Science+Business Media, LLC, part of Springer Nature 2019
Date Deposited: 04 Dec 2019 07:44
FoR Codes: 09 ENGINEERING > 0903 Biomedical Engineering > 090304 Medical Devices @ 100%
SEO Codes: 92 HEALTH > 9299 Other Health > 929999 Health not elsewhere classified @ 100%
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