Switch to
Predicate | Object |
---|---|
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-meshheading:2211746-Animals,
pubmed-meshheading:2211746-Collagen,
pubmed-meshheading:2211746-Cross-Linking Reagents,
pubmed-meshheading:2211746-Delayed-Action Preparations,
pubmed-meshheading:2211746-Inulin,
pubmed-meshheading:2211746-Materials Testing,
pubmed-meshheading:2211746-Rats,
pubmed-meshheading:2211746-Rats, Inbred Strains
|
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
|