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  5. 細胞膜蛋白感測晶片之研製 -使用氧化銦錫雙電極之連續阻抗量測
 
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細胞膜蛋白感測晶片之研製 -使用氧化銦錫雙電極之連續阻抗量測

Other Title
Development of bio-chips for cellular-membrane-protein detection
- continuous impedance measurement by ITO di-electrode
Type
thesis
Date Issued
2007-07-11
Author(s)
林君彥
Advisor
黃豪銘
Subjects
系所名稱:口腔科學研究所
Description
學位別:碩士
語文別:中文
指導教授:黃豪銘
共同指導教授:李勝揚
口試委員:黃何雄
中文關鍵字:生物感測器;氧化銦錫;細胞膜蛋白;細胞電阻抗量測
Abstract
細胞膜蛋白佔全部蛋白的30%,為蛋白質體學計畫中的研究重點。然而目前蛋白質相關的研究方法難以對細胞膜蛋白做非破壞的檢測,也無法長時間對單一樣本做連續變化的觀察。基於此,我們製作出以ITO為電極材料的生物晶片,非破壞性的連續測量細胞的交流阻抗。在本研究中MG-63細胞株培養於自製的ITO玻璃晶片上,當細胞成長數目越多時,電阻抗的變化量也越大,此與測量細胞活性之MTT法比較,有極高的線性相關(R2=0.9883,p<0.005)。本研究亦進一步結合免疫染色的原理,將帶有奈米級金粒子的抗體連結到細胞膜上Integrin β1蛋白,當有越多的Integrin膜蛋白存在時,細胞膜上被連結的金粒子也越多,此時會產生越大的電阻抗變化;與螢光染色法之讀值比較,亦有良好的線性相關(R2=0.9178,p<0.005)。本研究以較經濟的ITO晶片做為細胞膜蛋白非破壞性之研究方法,並為將來藥物篩選、癌細胞檢驗之應用性提供了初步的數據,但仍需要更多實驗佐證細胞膜蛋白量測相關之結果。
URI
https://203.71.86.71/handle/123456789/11964
https://hdl.handle.net/11296/s9snsd
File(s)
No Thumbnail Available
Name

C0183485.pdf

Size

30.71 MB

Format

Adobe PDF

Checksum

(MD5):f2f21d1d2f72353003e6bdee3a8aabf8

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