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Title: Improvement in antimicrobial properties of titanium by diethyl phosphite plasma-based surface modification
Authors: Kaleli Can, Gizem
Özgüzar, Hatice Ferda
Kahriman, Selahattin
Türkal, Miranda
Göçmen, Jülide Sedef
Yurtçu, Erkan
Mutlu, Mehmet
Keywords: Plasma polymerization
Amphoteric polymer
Antimicrobial coating
Fungicidal activity
Antibacterial activity
Issue Date: Dec-2020
Publisher: Elsevier Ltd
Source: Kaleli-Can, G., Özgüzar, H. F., Kahriman, S., Türkal, M., Göçmen, J. S., Yurtçu, E., & Mutlu, M. (2020). Improvement in antimicrobial properties of titanium by diethyl phosphite plasma-based surface modification. Materials Today Communications, 25, 101565.
Abstract: Titanium (Ti) has been commonly used as a biomaterial for dental applications. However, they have struggled with the formation of polymicrobial infections leading to peri-implantitis. In this research, antimicrobial activity of titanium modified via diethyl phosphite (DEP) plasma onto Staphylococcus aureus (S. aureus) and Candida albicans (C. albicans), the two most frequently encountered pathogens in peri-implantitis, were investigated. Surface modification with DEP was achieved with plasma polymerization technique in a low-pressure/radio-frequency plasma using 75 W of plasma power and 10 min of exposure time under 0.15 mbar. Hydrophilicity, surface energy and roughness of Ti surface was increased and anionic Ti surface became amphoteric after surface modification according to physical and chemical examinations. This process significantly enhanced the antimicrobial efficiency of Ti towards S. aureus and C. albicans cells compared to control groups via contact killing. Moreover, DEP coating shown excellent compatibility with 93 % of L929 fibroblast cell viability. These findings revealed that amphoteric plasma polymer prepared from DEP offers promising solution for preventing biofilm formation on Ti.
ISSN: 2352-4928
Appears in Collections:Biyomedikal Mühendisliği Bölümü / Department of Biomedical Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
Temel Tıp Bilimleri Bölümü / Department of Basic Medical Sciences
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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