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研究生: 蔡永信
論文名稱: 利用奈米洞快速定序DNA序列的物理方法研究
指導教授: 陳啟明
學位類別: 碩士
Master
系所名稱: 物理學系
Department of Physics
論文出版年: 2005
畢業學年度: 93
語文別: 中文
論文頁數: 75
中文關鍵詞: 水平旋轉電場核酸分子鏈DNA垂直電場定序比對演算法
論文種類: 學術論文
相關次數: 點閱:143下載:3
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  • 目前最常使用的自動DNA定序法,屬於較費時間與資源的方法,加上最近興起的奈米洞蝕刻技術,能使奈米洞的尺寸做到與單股DNA直徑差不多,透過在基膜上鑿出奈米洞,在膜的兩邊加電壓,讓帶負電的單股DNA穿透過去,再量測電流值,由於每個核酸分子的大小不同,堵塞效應所造成的電流訊號也會不同,藉此分辨出單股DNA分子鏈上的序列。本模擬提出的方法,除了實驗上加的垂直基膜的電場外,並在基膜上方,加入一個以奈米洞為旋轉中心的旋轉電場,幫助核酸分子在洞口停留時間久一 點,讓電流序號更明顯,在搭配本論文提出的比對方法,使得即使電流訊號有遺失,也能利用不同組數據補其不足,進而定出完整的DNA序列。

    圖說 …………………………………………………………… 1. 一、 導論 1.1 自動DNA定序 …………………………………… 5. 1.2 奈米洞的應用 …………………………………… 6. 1.3 奈米洞的改進 …………………………………… 9. 二、 單股DNA分子鏈穿透奈米洞模型與演算法 2.1 單股DNA的分子鏈 ……………………………… 14. 2.2 蒙地卡羅法(Monte Carlo Method) …………… 16. 2.3 模型 ……………………………………………… 19. 2.4 模型的演算法 …………………………………… 28. 三、 序列比對 3.1 比對方法 ………………………………………… 31. 3.2 比對的演算法 …………………………………… 34. 四、 模擬結果與討論 4.1 單股DNA分子穿透奈米洞模擬結果與討論 …… 39. 4.2 比對方法的結果與討論 ………………………… 65. 五、 結論 …………………………………………………… 69.

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