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  5. 磷酸鈣生醫陶瓷之連續式合成製程及其於骨填補材之備製研究
 
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磷酸鈣生醫陶瓷之連續式合成製程及其於骨填補材之備製研究

Other Title
Development of Continuous Process for Calcium Phosphate Preparation and Their Preparation in Bone Blocks with 3D Interconnected Pore Structures
Type
thesis
Date Issued
2011-12-30
Author(s)
梁嘉容
Advisor
楊正昌
Subjects
系所名稱:生醫材料暨工程研究所
Publisher
生醫材料暨工程研究所
Description
學位別:碩士
語文別:中文
指導教授:楊正昌
共同指導教授:李勝揚
口試委員:陳建中;賴森茂;劉俊良
中文關鍵字:連續式合成;磷酸鈣;三維孔洞連通骨填補材
Abstract
本研究目的為發展簡化之磷酸鈣鹽類連續式合成法(continuous process),並將該製程之磷酸鈣產物,結合氫鍵作用力複合體(hydrogen bonding interpolymer complex,IPC),製備成三維孔洞連通型磷酸鈣骨填補塊材(bone block)。在磷酸鈣鹽類之連續式合成時,僅需控制反應之鈣磷起始原料莫耳比([Ca]/[P] ratio)、pH值與燒結溫度即可備製出各種不同種類之磷酸鈣,再將磷酸鈣與IPC混合後形成感溫性材料,藉由燒結過程之溫度速率控制其膨脹率,並經由燒結將IPC氣化,即可形成不同孔洞大小且具孔洞連通結構之磷酸鈣骨塊。樣品分別應用X光繞射儀、X光螢光分析儀、線性迴歸法、掃描式電子顯微鏡分析其結晶特性、鈣磷莫耳比、BCP之組成含量、孔洞大小。在生物相容性評估上,則以測試細胞之粒線體酶與細胞形態觀察為主。
第四章主要為磷酸鈣鹽類之連續式合成製程,探討連續式合成製程之原料之鈣磷莫耳比、pH值及燒結溫度之調控,對於磷酸鈣鹽類結晶結構之影響,將其繪製成processing window以提供未來加工之依據,並將連續式與傳統批次式合成製程做比較,分析其磷酸鈣產物之物性。第五章主要探討3D孔洞連通骨填補塊材之製程,將連續式合成所製備之BCP與IPC混合後,形成BCP/IPC混合物,藉由調控不同燒結之升溫速率,並在燒結後將IPC氣化,形成3D孔洞連通骨塊,探討升溫速率對於骨塊孔洞大小之影響,及燒結持溫時間對於BCP結晶結構之影響。第六章主要探討不同孔洞大小的塊材,對於細胞生長活性之影響,將四組不同孔洞大小的塊材與小鼠的骨母細胞(MC3T3-E1)共同培養1、7及14天後,測量其細胞活性,並以SEM觀察細胞生長形態。本研究發展連續式合成製程,藉由調控原料之鈣磷莫耳比、pH值及燒結溫度,製備不同種類之磷酸鈣,並將該製程所製備之BCP與IPC混合後,經過升溫速率之調控及燒結後便可獲得不同孔洞大小之骨塊,將塊材與細胞共同培養,觀察孔洞大小對於細胞生長之影響。
URI
https://203.71.86.71/handle/123456789/10965

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