DRUG DELIVERY MATRICES TO ENHANCE WOUND HEALING
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United States of America Patent
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app pub date -
Apr 24, 2007
filing date -
Apr 25, 2001
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Abstract
Bioactive molecules are entrapped within a matrix for the controlled delivery of these compounds for therapeutic healing applications. The matrix may be formed of natural or synthetic compounds. The primary method of entrapment of the bioactive molecule is through precipitation of the bioactive molecule during gelation of the matrix, either in vitro or in vivo. The bioactive molecule may be modified to reduce its effective solubility in the matrix to retain it more effectively within the matrix, such as through the deglycosylation of members within the cystine knot growth factor superfamily and particularly within the TGF.beta. superfamily. The matrix may be modified to include sites with binding affinity for different bioactive molecules, for example, for heparin binding.
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