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Surface heparinization of polypropylene films modified with P-HEMA hydrogel

American Chemical Society, Polymer Preprints, Division of Polymer Chemistry, Vol: 29, Issue: 2, Page: 348-349
1988
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Conference Paper Description

A report is presented on the coupling of heparin on PP (Polypropylene) films containing poly-HEMA, the method of preparation of the support material and some of its properties. It is found that the thromboresistance of heparinized samples was enhanced for higher P-HEMA contents i.e. higher concentration of hydroxyl groups on PP film surface able to react with heparin through glutaraldehyde. Blood that has been stored for 30 min in the presence of heparinized PP sample No 4 when put into another glass vessel was clotted within 5 min, which is the clotting time of blood not exposed to heparinized materials.

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