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  2. .TMU Publications / 北醫出版品(教師升等著作 / 教學實踐 / 學位論文)
  3. .博碩士學位論文
  4. .81學年度
  5. 高分子材質的水性分散液製備包覆顆粒之硏究
 
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高分子材質的水性分散液製備包覆顆粒之硏究

Type
thesis
Date Issued
1993
Author(s)
李坤勇
Advisor
許明照
Subjects
系所名稱:藥學研究所
碩士論文
Publisher
藥學研究所
Abstract
本研究主要在於評估探討利用高分子材質的水性分散液, 以濕式造粒法在 planetary 形式的攪拌造粒機中製備藥物的包覆顆粒或結晶之可行性。評估的影響因素可分為製程條件和處方成份。其中的製程條件包括有高分子材質的水性分散液的傾倒速度和攪拌造粒機之轉速。而處方方面評估的包括塑化劑的用量,分散液的濃度及黏度等,其影響性將以溶離特定百分比所需時間作比較標準的包覆效率為主要評估基準。並同時測定包覆顆粒的物化性質,包括有流動性,密度,和粒度分佈等。進而將所得的包覆顆粒混合不同賦形劑而壓製成間質性錠片,期能篩選出能賦予錠片控釋效果的賦形劑種類和用量,其中也將評估不同壓錠力對此錠片控釋的影響性。由實驗結果顯示,攪拌機轉速較小者,包覆效率較好。處方中高分子聚合物的含量愈高,包覆效率愈好,而壓錠力對藥物釋放效率不具影響性,其決定因素在於藥物本身之溶解度。酒精的添加無法改善包覆效果必須藉助於賦形劑的加入才可延緩藥物的釋放。至於藥物釋放機轉則以適當的數學模式加以探討,結果符合 Hiquchi equation。
URI
https://203.71.86.71/handle/123456789/7472
https://hdl.handle.net/11296/d8358d
File(s)
No Thumbnail Available
Name

C0164578.pdf

Size

4.53 MB

Format

Adobe PDF

Checksum

(MD5):b318503452e4327aad9e9b3837d068e5

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