Journal
INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY
Volume 20, Issue 2, Pages 879-883Publisher
WILEY
DOI: 10.1111/ijac.14107
Keywords
diamond-like carbon; surface plasma treatment; viability
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The surface chemistry of silicon-incorporated diamond-like carbon (Si-DLC) was modified by oxygen and fluorine plasma treatments, which increased the cell viability by converting the hydrophobic surface of Si-DLC into a hydrophilic one.
The surface chemistry of silicon-incorporated diamond-like carbon (Si-DLC) was tailored utilizing oxygen and fluorine plasma treatments. Successful anchoring of oxygen and fluorine functional groups to the surface of Si-DLC was verified using X-ray photoelectron spectroscopy. The impact of surface modification of Si-DLC on hydrophobicity was correlated with the viability of L929 mouse fibroblasts. The confocal microscopy and viability results indicated that oxygen-treated Si-DLC showed increased cell viability compared to untreated Si-DLC and fluorine-treated Si-DLC samples 5 days after seeding. The increased cell viability was correlated with the conversion of the hydrophobic surface of Si-DLC into a hydrophilic surface by oxygen plasma treatment.
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