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Influence of silicon concentration on the haemocompatibility of amorphous carbon

Paper ID Volume ID Publish Year Pages File Format Full-Text
11021 713 2007 6 PDF Available
Title
Influence of silicon concentration on the haemocompatibility of amorphous carbon
Abstract

Amorphous carbon (a-C) has good blood compatibility and has been proposed as a coating material for blood contacting devices such as heart pumps and stents. In this study, unhydrogenated a-C films with different silicon concentrations were synthesized by magnetron sputtering, and the corresponding evolution of the surface energy and compatibility with blood were analysed. The incorporation of silicon not only decreased the sp2-hybridized carbon bonding configurations, but the static evaluation of the films incubated in human platelet-rich plasma also showed a decrease in platelet adhesion. Bonding structure and surface energy were determined to be factors contributing to the improved haemocompatibility.

Keywords
Silicon-incorporation; Amorphous carbon; Bonding structure; Surface energy; Human platelet adhesion; Haemocompatibility
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Influence of silicon concentration on the haemocompatibility of amorphous carbon
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biomaterials - Volume 28, Issue 28, October 2007, Pages 4033–4038
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us