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| 題名: | Effect of processing parameters on the deposition of SiOx-like coatings on the surface of polypropylene films using glow discharge plasma assisted polymerization for tissue engineering applications |
| 作者: | Pandiyaraj, KN (Pandiyaraj, K. Navaneetha)
Kumar, AA (Kumar, A. Arun)
Ramkumar, MC (Ramkumar, M. C.)
Kumar, SU (Kumar, S. Uday)
Gopinath, P (Gopinath, P.)
Cools, P (Cools, Pieter)
De Geyter, N (De Geyter, N.)
Morent, R (Morent, R.)
Bah, M (Bah, M.)
Shah, SI (Shah, S. Ismat)
Su, PG (Su, Pi-Guey)
Deshmukh, RR (Deshmukh, R. R.) |
| 貢獻者: | 化學系 |
| 關鍵詞: | Glow discharge plasma
PP film
SiOx
Surface analysis
Cell compatibility |
| 日期: | 2017-09 |
| 上傳時間: | 2018-01-29 10:13:01 (UTC+8) |
| 摘要: | In this investigation hexamethyldisiloxane (HMDSO) was used to deposit SiOx-like coatings on the surface of polypropylene (PP) films using an Ar + O-2 glow discharge. Discharge potential and deposition time were varied systematically to optimize various SiOx coating properties such as hydrophilicity, oxidation state and surface homogeneity for possible tissue engineering applications. X-ray photoelectron spectroscopy (XPS), atomic force microscopy (AFM) and contact angle were employed to analyze the said changes. Cell compatibility study of the SiOx films was done by in -vitro analysis, using NIH-3T3 (mouse embryonic fibroblast) cells to study the influence of the surface characteristics on cell adhesion and proliferation. The SiOx films were found to be highly hydrophilic, based on the contact angle and surface energy results. XPS confirmed the efficient incorporation of various oxidation states of Si and oxygen containing polar functional groups on the surface of PP film. Overall, a relatively smooth surface topography was observed, with distinct differences, depending on the applied plasma parameters. The in -vitro analysis characterized SiOx films as cyto-compatible, i.e improved non -toxicity, adhesion and proliferation of NIH-3T3 fibroblast cells. Overall, the developed films were found to exhibit a high potential for possible tissue engineering applications. (C) 2017 Elsevier Ltd. All rights reserved. |
| 關聯: | VACUUM 卷: 143 頁碼: 412-422 |
| 顯示於類別: | [化學系所] 期刊論文
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