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نویسندگان مقالات پربازدید :
مواد زیستی
جزئیات رویداد
همایش ، رویداد ، ژورنال
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  • dual roles of hyaluronic acids in multilayer films capturing nanocarriers for drug-eluting coatings

    نویسندگان :
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    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1391/01/01
    • تاریخ انتشار در تی پی بین: 1391/01/01
    • تعداد بازدید: 592
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     we developed hyaluronic acid (ha)-based multilayer films capturing polymeric nanocarriers (ncs) for drug delivery. the electrostatic interactions between positively charged linear polyethylene imines (lpei) and negatively charged has are the main driving forces to form multilayers based on the layer-by-layer (lbl) deposition. ncs were easily incorporated within the multilayer film due to intra- and/or inter-hydrogen bonding among ha chains. the amount of ncs captured by the ha chains was varied by the ratio between has and ncs as well as the length (i.e., molecular weight) and absolute number density of has in solution. biocompatibility of the nc-capturing ha multilayer films was tested with the human dermal fibroblast (hdf) culture. in addition, the controlled release of paclitaxel (ptx) from the ha multilayer films successfully led to the apoptosis of human aortic smooth muscle cells (hsmc) in vitro, implying that the nc-capturing ha multilayer films would be quite useful as drug-eluting stent systems to prevent the restenosis after surgery.

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