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Induction of bioactivity on silicone elastomer by simultaneous irradiation of oxygen cluster and monomer ion beams

Paper ID Volume ID Publish Year Pages File Format Full-Text
2603 118 2009 7 PDF Available
Title
Induction of bioactivity on silicone elastomer by simultaneous irradiation of oxygen cluster and monomer ion beams
Abstract

Silicone elastomer substrates were irradiated with acceleration voltages ranging from 3 to 9 kV and doses ranging from 1 × 1014 to 2.5 × 1015 ions cm−2 by the simultaneous use of oxygen cluster and monomer (O2 CM) ion beams, and then soaking in CaCl2 solution. The apatite-forming ability of the substrates was examined using a metastable calcium phosphate solution that had 1.5 times the ion concentrations of normal simulated body fluid (1.5SBF). Silicon oxide clusters (SiOx) were formed at the silicone elastomer surfaces and the hydrophilicity of the substrates was remarkably improved by the irradiation. The irradiated silicone elastomer substrates formed apatite in 1.5SBF, whereas unirradiated ones did not. These results suggest that irradiation using O2 CM ion beams is effective for inducing an apatite-forming ability on silicone elastomer substrates.

Keywords
Silicone elastomer; Bioactivity; Ion beam; Surface modification; SBF (simulated body fluid)
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Induction of bioactivity on silicone elastomer by simultaneous irradiation of oxygen cluster and monomer ion beams
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Publisher
Database: Elsevier - ScienceDirect
Journal: Acta Biomaterialia - Volume 5, Issue 2, February 2009, Pages 621–627
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
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Don't Miss Today's Special Offer
Price was $35.95
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