Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
9
pubmed:dateCreated
1990-11-9
pubmed:abstractText
Collagen monolithic devices varying in crosslinking density, collagen structure, and crosslinker were fabricated. In vitro release rates of a model macromolecule, inulin, were found to be linear with t1/2 and were affected by crosslinking density, nature of crosslinker, and collagen structure. The biodegradation of the collagen matrix was also examined. Proteolytic enzymes did not degrade the collagen devices; the degradation rate with collagenase was dependent on collagen structure, crosslinker, crosslinking density, and enzyme concentration. In vivo biocompatibility, degradation, and 14C-inulin release rates were evaluated subcutaneously in rats. After 3 weeks, none of the collagen discs induced any severe cellular response. Dacron induced a stronger fibroblast response but fewer inflammatory cells as compared to the collagen discs. No significant degradation of the collagen discs occurred within 3 weeks. In vivo release of 14C-inulin from collagen monolithic devices was diffusion controlled.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Sep
pubmed:issn
0021-9304
pubmed:author
pubmed:issnType
Print
pubmed:volume
24
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1221-39
pubmed:dateRevised
2003-11-14
pubmed:meshHeading
pubmed:year
1990
pubmed:articleTitle
Macromolecular release from collagen monolithic devices.
pubmed:affiliation
Department of Pharmaceutics, University of Utah, Salt Lake City, 84108.
pubmed:publicationType
Journal Article