Chia Nan University of Pharmacy & Science Institutional Repository:Item 310902800/23952
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    Title: 複合式膠體顆粒其製備及於藥物控制釋放系統之應用
    Sodium Alginate/Acetazolamide/CaCl2/Chitosan-Polyelectrolyte
    Authors: 劉孟春
    涂益豪
    廖婉岑
    黃輝元
    林彰泰
    Contributors: 化粧品科技研究所
    醫藥化學系
    Keywords: 海藻酸鈉
    幾丁聚醣
    三聚磷酸鈉
    聚電解質複合
    Sodium Alginate
    Acetazolamide
    Chitosan
    Sodium tripolyphosphate
    polyelectrolyte complexation
    interpeneatration network
    Date: 2009-05
    Issue Date: 2011-06-09 15:29:03 (UTC+8)
    Abstract: 本研究利用聚電解質複合反應(polyelectrolyte complexation),將含Acetazolamide藥物的海藻酸(Sodium Alginate)高分子膠體溶液滴入幾丁聚醣(Chitosan)/醋酸/二氯化鈣中,進行聚電解質複合反應,形成互穿型網狀(interpenetration network,IPN)結構,生成一次膠體顆粒( primary particle ) 。再加入適量的三聚磷酸鈉( Sodium tripolyphosphate)使Chitosan沉澱堆積在一次膠體顆粒之表面上形成二次膠體顆粒(secondary particle)。改變海藻酸鈉、Acetazolamide與二氯化鈣之添加量而得到不同之SA/AA/Ca2 + /Chit 含藥之膠體顆粒( gel beads),探討製備條件之不同對藥物包埋量、藥物顆粒粒徑、藥物顆粒重量平均粒徑、顆粒表面形態以及釋放環境(pH2、7)對藥物釋放模式之影響。結果發現藥物顆粒之釋放模式為T. Higuchi動力模式,並具有藥物控制釋放之效能。
    Relation: 第三屆藥理學院師生研究發表會,起迄日:2009/5/12~2009/5/15,地點:嘉南藥理科技大學
    Appears in Collections:[Dept. of Cosmetic Science and institute of cosmetic science] Proceedings
    [Dept. of Food & Drug Industry and Inspective Technology] Proceedings

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