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Polymers 2017, 9(10), 545;

Surface and Protein Adsorption Properties of 316L Stainless Steel Modified with Polycaprolactone Film

Department of Chemical and Materials Engineering, National I-Lan University, I-Lan 260, Taiwan
Author to whom correspondence should be addressed.
Received: 21 September 2017 / Revised: 16 October 2017 / Accepted: 20 October 2017 / Published: 23 October 2017
(This article belongs to the Special Issue Surface Modification and Functional Coatings for Polymers)
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The surface and protein adsorption properties of 316L stainless steel (316L SS) modified with polycaprolactone (PCL) films are systematically investigated. The wettability of the PCL films was comparable to that of bare 316L SS because the rough surface morphology of the PCL films counteracts their hydrophobicity. Surface modification with PCL film significantly improves the corrosion resistance of the 316L SS because PCL is insulating in nature. A coating of PCL film effectively reduces the amount of adhered bovine serum albumin (BSA) on the surface of 316L SS in a bicinchoninic acid protein assay. PCL is both biodegradable and biocompatible, suggesting the potential for the surface modification of implants used in human bodies; in these applications, excellent corrosion resistance and anticoagulant properties are necessary. View Full-Text
Keywords: biomaterials; polycaprolactone; surface modification biomaterials; polycaprolactone; surface modification

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Chang, S.-H.; Hsiao, Y.-C. Surface and Protein Adsorption Properties of 316L Stainless Steel Modified with Polycaprolactone Film. Polymers 2017, 9, 545.

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