Source:http://linkedlifedata.com/resource/pubmed/id/19291667
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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
7
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pubmed:dateCreated |
2009-7-14
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pubmed:abstractText |
Highly branched cyclic dextrin derivatives (CH-CDex) that are partly substituted with cholesterol groups have been synthesized. The CH-CDex forms monodisperse and stable nanogels with a hydrodynamic radii of approximately 10 nm by the self-assembly of 4-6 CH-CDex macromolecules in water. The CH-CDex nanogels spontaneously trap 10-16 molecules of fluorescein isothiocyanate-labeled insulin (FITC-Ins). The complex shows high colloidal stability: no dissociation of trapped insulin is observed after at least 1 month in phosphate buffer (0.1 M, pH 8.0). In the presence of bovine serum albumin (BSA, 50 mg . mL(-1)), which is a model blood system, the FITC-Ins trapped in the nanogels is continuously released ( approximately 20% at 12 h) without burst release. The high-density nanogel structure derived from the highly branched CDex significantly affects the stability of the nanogel-protein complex.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Delayed-Action Preparations,
http://linkedlifedata.com/resource/pubmed/chemical/Dextrins,
http://linkedlifedata.com/resource/pubmed/chemical/Hydrogels,
http://linkedlifedata.com/resource/pubmed/chemical/Insulin,
http://linkedlifedata.com/resource/pubmed/chemical/Proteins,
http://linkedlifedata.com/resource/pubmed/chemical/Serum Albumin, Bovine
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pubmed:status |
MEDLINE
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pubmed:month |
Jul
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pubmed:issn |
1616-5195
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pubmed:author | |
pubmed:issnType |
Electronic
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pubmed:day |
7
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pubmed:volume |
9
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
694-701
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pubmed:dateRevised |
2011-11-17
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pubmed:meshHeading |
pubmed-meshheading:19291667-Chromatography, Gel,
pubmed-meshheading:19291667-Circular Dichroism,
pubmed-meshheading:19291667-Delayed-Action Preparations,
pubmed-meshheading:19291667-Dextrins,
pubmed-meshheading:19291667-Drug Delivery Systems,
pubmed-meshheading:19291667-Hydrogels,
pubmed-meshheading:19291667-Insulin,
pubmed-meshheading:19291667-Molecular Structure,
pubmed-meshheading:19291667-Nanostructures,
pubmed-meshheading:19291667-Proteins,
pubmed-meshheading:19291667-Serum Albumin, Bovine
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pubmed:year |
2009
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pubmed:articleTitle |
Self-assembled nanogel of hydrophobized dendritic dextrin for protein delivery.
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pubmed:affiliation |
Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2-3-10, Kanda-surugadai, Chiyoda-ku, Tokyo 101-0062, Japan.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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