Synthesis of Thromboresistant Heparinized Polysilicone Using Radiation Grafting

J. E. Wilson, R. C. Eberhart, A. B. Elkowitz

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Gamma rays from 60Co were used to graft chloromethylstyrene on samples of polysilicone, followed by quaternization with pyridine, then reaction with sodium heparin to replace chloride ions in the samples with heparin anions. Extraction tests on the heparinized samples with normal saline solution showed a maximum heparin removal rate of 5 x 10-8 g/cm2/min. The heparinized polysilicone was found to be more blood compatible than untreated polysilicone in a rabbit ex vivo bleeding test.

Original languageEnglish (US)
Pages (from-to)769-782
Number of pages14
JournalJournal of Macromolecular Science: Part A - Chemistry
Volume16
Issue number4
DOIs
StatePublished - Jan 1981

ASJC Scopus subject areas

  • General Engineering

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