研究生: |
謝宗閔 Hsieh, Tung-Min |
---|---|
論文名稱: |
使用微機電系統技術進行微小型聚合酵素連鎖反應系統之研製 The Implementation of Micro-PCR Systems Using MEMS Techniques |
指導教授: |
李國賓
Lee, Gwo-Bin 羅錦興 Luo, Ching-Hsing |
學位類別: |
碩士 Master |
系所名稱: |
電機資訊學院 - 電機工程學系 Department of Electrical Engineering |
論文出版年: | 2003 |
畢業學年度: | 91 |
語文別: | 中文 |
論文頁數: | 74 |
中文關鍵詞: | 類神經網路 、溫度控制系統 、聚合酵素連鎖反應 、生物晶片 、微機電系統 |
外文關鍵詞: | temperature control system, PCR, bio-chip, MEMS, Neural networks |
相關次數: | 點閱:87 下載:3 |
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本研究採用微機電系統技術(Micro-Electro-Mechanical-System)以研發微小型的加熱器與溫度感測器,以應用於微小型PCR系統中,並成功地設計出一可搭配微製程晶片的溫度控制系統,以便實際應用於DNA的複製與檢測上。
在微型PCR晶片部分,本研究改良單一加熱器及單一溫度感測器的結構,並根據類神經網路的理論,採多輸入多輸出的結構來改良反應區溫度的均勻性。在周邊電路部分,運用類神經網路的控制架構進行量測訊號的處理,並運用脈波寬度調變的方式控制加熱器的功率輸出,以期改善在PCR的參數循環中溫度的準確及穩定性。
最後,本研究成功地將微型DNA複製晶片與周邊的控制系統整合,藉由不同控制方式的比較選擇出較佳的控制方式,以完成實際PCR反應。最後以平板膠電泳實驗證實本系統的實用性。藉由此研究的成果,相信對未來控制晶片與生物晶片的系統整合上,具有相當大的貢獻。
The purpose of this study is to develop micro temperature sensors and heaters, which are combined with a suitable control circuit to be used in micro PCR (polymerase chain reaction) system, based on MEMS (Micro-electro-mechanical system) technologies. The integrated system including the PCR chip by MEMS and the control circuit applies for amplification and detection of DNA (deoxyribonucleic acid).
In the micro PCR chip, improved is the uniformity of temperature in common structure of one sensor and one heater by MIMO (multi-input and multi-output) structure according to NNs (Neural networks) theory. In the control circuit, input signal is processed by NNs control structure, and the heating efficiency of heaters is controlled by PWM (pulse width modulation). By the way, largely improved is accuracy and stability of the temperature control in the micro PCR system.
Finally, by comparing with different control methods and parameters, we can choose the suitable way to complete the PCR experiment by this integrated system. By traditional slab gel electrophoresis, the system’s effectiveness is proof. The outcome of this study could have a substantial impact on the integrated system of combining bio-chip and control circuit.
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