Bio-responsive and electrically conductive polymer compositions for tissue engineering and methods for production
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United States of America Patent
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Issued Date -
Apr 10, 2008
app pub date -
Oct 6, 2006
filing date -
Oct 6, 2006
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Abstract
A polymer composition that is both bio-responsive (bio-compatible, biodegradable, and/or bio-resorbable) and electrically conductive. The composition is composed of a bio-responsive host polymer and a desired amount of conductivity-rendering species that are introduced into the host polymer via high energy exposure, particularly ion bombardment or ion implantation. The host polymer is subjected to a high energy radiation with a dosage sufficient to produce an electrical conductivity no less than 10.sup.-4 S/cm, preferably no less than 10.sup.-2 S/cm, and most preferably no less than 1 S/cm. Also disclosed is a method for producing a bio-responsive polymer with a controlled conductivity through ion implantation.
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