| 研究生: |
謝雅玉 Hsieh, Ya-Yu |
|---|---|
| 論文名稱: |
用於微晶片之聚雙甲基矽氧烷基材表面穩定化學修飾 Stable Chemical Modifications of PDMS Surfaces for Microchip Application |
| 指導教授: |
陳淑慧
Chen, Shu-Hui |
| 學位類別: |
碩士 Master |
| 系所名稱: |
理學院 - 化學系碩士在職專班 Department of Chemistry (on the job class) |
| 論文出版年: | 2005 |
| 畢業學年度: | 93 |
| 語文別: | 中文 |
| 論文頁數: | 89 |
| 中文關鍵詞: | 表面分析 、聚雙甲基矽氧烷基材 、表面修飾 、微晶片 |
| 外文關鍵詞: | surface modification, PDMS, microchip |
| 相關次數: | 點閱:93 下載:1 |
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本研究目的是探討聚雙甲基矽氧烷材質(PDMS)微晶片之微管道引用不同特性的高分子化學修飾方法,藉以改善PDMS 材質微晶片的表面極疏水性性質並且可維持表面改質後的永久穩定性及改善蛋白質吸附問題。更進一步,藉由表面分析儀器探討PDMS 此種軟性材料表面改質的特性,分別利用接觸角(Contact Angle)測量其表面改質之親疏水性性質;由傅式全反射紅外線光譜(Attenuated Total Reflectance Fourier Infrared Spectroscopy, ATR-FTIR),化學分析電子術(electron spectroscopy for chemical analysis, ESCA)進行PDMS 表面高分子薄膜的官能基鑑定及元素化學態分析,藉以了解修飾後的穩定性分析;此外,採用原子力顯微鏡(Atomic Force Microscopy, AFM)對此表面的化學修飾薄膜進行形態觀察;另一方面,藉由電滲透流測試測量不同特性的高分子化學修飾PDMS 微晶片之微管道所呈現的再現性。
This study aims to dig out a solution of PDMS microchip has an extreme hydrophobic surface in order to obtain a permanent hydrophilic surface and resistance to protein absorption, which can be made by inducing utilize the various polymers for chemical modification in the PDMS microchip. Otherwise, through contact angle measure the hydrophilic property and use Attenuated Total Reflectance Fourier Infrared Spectroscopy (ATR-FTIR) and electron spectroscopy for chemical analysis (ESCA) to analyze the functional group and the elementary analysis of PDMS surface modified with thin film, and furthermore, to monitor the stability of the thin film during a period. In other hand we used Atomic Force Microscopy (AFM) observed the morphology of the modified layer.We also used EOF measurement to demonstrate the reproduction of surface charge of micro-channel on the modified PDMS.
Therefore, the stable, hydrophilic, protein-resistant thin film coatings will be very useful for commercial PDMS microfluidic chips, which require long-term stability and for protein-resistant PDMS biomaterials.
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