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  5. 使用聚丙烯酸和羧甲基纖維素交聯之水凝膠用於預防硬膜外纖維化。
 
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使用聚丙烯酸和羧甲基纖維素交聯之水凝膠用於預防硬膜外纖維化。

Other Title
Hydrogel Composed of Poly(acrylic acid) and Carboxymethyl Cellulose for Prevention of Epidural Fibrosis.
Type
thesis
Date Issued
2022-07-15
Author(s)
姚駿晟
Advisor
林峯輝;陳敏弘
Subjects
系所名稱:奈米醫學工程研究所碩士班
Publisher
奈米醫學工程研究所碩士班
Description
口試委員:陳敏弘 CHEN, MING-HONG;曾靖孋 TSENG, CHING-LI;楊正昌 YANG, JEN-CHANG;林峯輝 LIN, FENG-HUEI;康峻宏 KANG, JIUNN-HORNG
網際網路,開放日期為2022-08-04
Abstract
硬膜外纖維化是脊髓手術後疼痛症候群中最常見症狀之一。術後在傷口處會產生局部發炎反應,主要原因是成纖維細胞在手術傷口中積聚形成疤痕組織並在脊神經處叢集,此過程伴隨止血和凝血以及功能細胞會開始作用引起發炎反應導致疼痛。許多研究證明,在硬膜外腔上方的肌肉之間植入屏障可以有效防止硬膜外纖維化。本研究設計一款優化體內降解速率之抗術後沾黏的凝膠用於防止脊隨手術後硬膜外纖維化的產生。羧甲基纖維素(Carboxymethyl cellulose)是目前市場上常用的外科手術防粘材料。羧甲基纖維素是水溶性的,通過在容易形成粘連的手術部位形成物理屏障,能夠吸收傷口滲出液,具有優異的抗粘連性能。CMC 在體內的吸收速度較慢,使其成為開發抗粘連生物醫學裝置的首選候選者。因此,CMC現在被廣泛用作商業抗粘連屏障(例如Seprafilm ®和Intercoat ®)的主要成分,因為它還可以抑製成纖維細胞的增殖和遷移。聚丙烯酸(Poly(acrylic acid))是一種聚電解質聚合物,過去生物領域研究中常用作於分離蛋白質、DNA 和其他大分子的用途。運用在凝膠材料上可以使其保有良好的柔韌度。本研究使用1,4-丁二醇二縮水甘油醚(BDDE)與材料的進行交聯形成凝膠。BDDE為粘性液體,本質上具有吸濕性。 BDDE是常見的同雙功能環氧化合物。BDDE的兩端環氧基團可與羥基(-OH)形成醚腱來使材料交聯在一起,並且能提高材料在體內之時間。從FTIR和NMR的測試結果顯示本實驗材料有成功的使用BDDE交聯,在生物相容性以及細胞毒性的測試當中,也顯示出本實驗設計之凝膠對細胞不具有毒性且生物相容性良好。在抗沾黏測試以及細胞遷移測試也得到了理想的結果,證明了羧甲基纖維素交聯聚丙烯酸之凝膠具有良好的潛力。

關鍵字: 脊隨手術、硬膜外纖維化、凝膠、羧甲基纖維素、聚丙烯酸、抗沾黏、背痛
URI
https://handle.ncl.edu.tw/11296/56yjjx
https://203.71.86.71/handle/123456789/10851

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