Oxidative method for attachment of glycoproteins or glycopeptides to surfaces of medical devices
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United States of America Patent
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Apr 6, 1999
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N/A
app pub date -
Dec 4, 1997
filing date -
Aug 9, 1996
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Abstract
A method for making a medical device having at least one glycoprotein and/or glycopeptide immobilized on a substrate surface is provided. The method may include oxidizing 1,2 dihydroxy moieties with a periodate to form an aldehyde-functional material; combining the aldehyde-functional material with an amino-functional material to bond the two materials together through an imine moiety; and reacting the imine moiety with a reducing agent to form a secondary amine. Another method of the present invention may be employed to crosslink glycoproteins and/or glycopeptides immobilized on medical device surfaces. Additionally, one method of the present invention may be employed to crosslink glycoproteins and/or glycopeptides, thereby forming a crosslinked biomaterial or a crosslinked medical device coating.
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