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|dc.identifier.citation||VOL 22, NO 6, 1031-1038||-|
|dc.description.abstract||In recent years, numerous research activities have been devoted to the controlled release of nitric oxide (NO) due to its potential as a restenosis inhibitor which inhibits the proliferation of vascular smooth muscle cells, the apoptosis of vascular endothelial cells, and aggregation of platelets. This work has demonstrated the development of a novel NO-conjugated gel system comprising of thermosensitive Pluronic F127, branched polyethylenimine (BPEI), and diazeniumdiolates (NONOates). Synthesis of conjugated Pluronic- BPEI-NONOates involved coupling of activated F127 to BPEI followed by the installation of NONOates at the secondary amine sites of branched PEI backbone under high pressure. NO-conjugated gel system, F127-BPEI-NONOates, reduced the initial burst of NO release and prolonged NO release. Furthermore, F127-BPEI-NONOates polymer coated on cell culture dish displayed much higher increase of endothelial cell proliferation and reduction of smooth muscle cell proliferation than that exhibited by non-NO releasing control. Such an NO-releasing device can operate locally and has a great potential in several biomedical applications due to high biocompatibility imparted by the conjugated F127.||-|
|dc.title||NONOates-Polyethylenimine Hydrogel for Controlled Nitric Oxide Release and Cell Proliferation Modulation||-|
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