Plasma-induced grafting of polydimethylsiloxane onto polyurethane surface: Characterization and in vitro assay |
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| Authors: | Z Shourgashti MT Khorasani SME Khosroshahi |
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| Institution: | 1. Faculty of Biomedical Engineering, Amirkabir University of Technology, Tehran, Iran;2. Biomaterials Department of Iran Polymer and Petrochemical Institute, P.O. Box 14965/115, Tehran, Islamic Republic of Iran;1. Faculty of Human Movement Sciences, VU University Amsterdam, MOVE Research Institute Amsterdam, van der Boechorststraat 9, 1081 BT Amsterdam, The Netherlands;2. Department of Orthopedic Surgery, VU University Medical Centre, MOVE Research Institute Amsterdam, de Boelelaan 1117, P.O. Box 7057, 1081 HV Amsterdam, The Netherlands;1. State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, PR China;2. School of Civil Engineering and Transportation, Hebei University of Technology, Tianjin 300401, PR China;3. College of Urban Construction and Environmental Engineering, Chongqing University, Chongqing 400044, PR China |
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| Abstract: | Plasma-induced grafting of polydimethylsiloxane (PDMS) onto the surface of polyurethane (PU) film. The virgin, plasma treated, and PDMS grafted PU films were characterized by means of attenuated total reflection Fourier transform infrared (ATR-FTIR) spectroscopy, water drop contact angle measurements, and scanning electron microscopy (SEM). The ATR-FTIR spectrogram of the grafted film showed the new characteristic peaks of PDMS. These grafted surfaces exhibited higher hydrophobicity and homogenous morphology. In vitro cell culture study showed that modified surfaces as well as virgin film were compatible with fibroblast cells. The formation of graft polymers combines the biostability of silicone with excellent physical and mechanical properties of PU. |
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