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研究生: 何顗琤
Yi-Cheng Ho
論文名稱: 以微轉印及微模板技術建立神經細胞陣列
Building Neuronal Cell Arrays Using Microprinting and Microstencil Technology
指導教授: 張兗君
Yen-Chung Chang
方維倫
Weileun Fang
口試委員:
學位類別: 碩士
Master
系所名稱: 工學院 - 奈米工程與微系統研究所
Institute of NanoEngineering and MicroSystems
論文出版年: 2006
畢業學年度: 94
語文別: 中文
論文頁數: 63
中文關鍵詞: 神經細胞微接觸印刷模版
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  • 整合微製造技術與細胞培養,可將細胞生長作空間上的調控,以利基礎細胞生物學的研究。本論文利用梳狀結構引導神經突起向單一方向伸展,試圖將細胞體與神經突起做空間上的區隔,便於生長錐的收集。藉由光學微影與矽深蝕刻技術製作圖章與模板之模仁,以化學氣相沉積抗沾黏之聚對二甲苯(parylene)高分子膜,防止圖章組成材料與矽膜仁上的原生氧化層沾黏。彈性高分子材料─聚二甲基矽氧烷(PDMS)經鑄造、固化及脫模等步驟製造圖章與模板的PDMS高分子模仁,沉積parylene高分子膜於PDMS膜仁上,經由二次複製則可得到侷限細胞貼附區域的模板。以圖章為工具、微接觸印刷為方法,將輔助細胞貼附的生物分子─聚左旋離氨酸(PLL)轉印於基材上,或直接將模板覆蓋於經由PLL修飾的基材表面,藉由PLL所定義出的圖形或模板上的開孔限制細胞可貼附的範圍,同時引導神經突起的生長方向。在細胞培養後第二天即可觀察到神經細胞的散佈與成長已受PLL圖形的限制,細胞體與神經突起持續受到空間上的調控直到細胞死亡。然而,在培養過程中細胞體極容易聚集形成球狀,本文結合微接觸印刷與模板試圖解決聚集現象,由初步結果顯示未來可望藉此法維持細胞體正常貼附與引導神經突起生長。透過上述兩種微製造技術使神經細胞可生長成特定的陣列,以利後續生化分析實驗的進行。


    摘要 i 誌謝辭 ii 目次 iii 圖目次 v 表目次 vii 第一章 緒論 1 1-1 前言 1 1-2 文獻回顧 3 1-2.1 微接觸印刷技術 4 1-2.2 整合微製造技術與細胞培養 6 1-3 研究動機與目的 9 第二章 圖形設計與材料性質 13 2-1 圖形設計 13 2-1.1 微接觸印刷圖章圖形設計 13 2-1.2 模板圖形設計 15 2-2 材料性質 16 第三章 實驗方法 21 3-1 微接觸印刷圖章製作 21 3-1.1 圖章製作方法一 21 3-1.2 圖章製作方法二 23 3-2 定義細胞貼附區域用之模板製作 24 3-2.1 凹模製作 24 3-2.2 凸模製作方法一 25 3-2.3 凸模製作方法二 26 3-2.4 凸模製作方法三 27 3-2.5 模板製作 28 3-3 微接觸印刷定義圖形 29 3-4 細胞培養 30 3-5 免疫螢光染色 31 第四章 結果與討論 41 4-1 圖章與模板的製作 41 4-1.1 圖章製作 41 4-1.2 模板製作 43 4-2 微接觸印刷 45 4-3 細胞培養 46 第五章 結論 59 參考文獻 61

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