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  2. .TMU Publications / 北醫出版品(教師升等著作 / 教學實踐 / 學位論文)
  3. .博碩士學位論文
  4. 102學年度
  5. 研發創新Protein G微米球以提升抗體於酵素免疫吸附測定法(ELISA)、西方墨點法(Western Blot)之偵測極限值
 
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研發創新Protein G微米球以提升抗體於酵素免疫吸附測定法(ELISA)、西方墨點法(Western Blot)之偵測極限值

Other Title
Development of a novel Protein G microparticle to improve detection limits of antibodies in ELISA and Western Blot systems.
Type
thesis
Date Issued
2014-07-10
Author(s)
賴怡婷
Advisor
莊國祥
Subjects
系所名稱:生技製藥企業經營管理產業碩士專班
Description
學位別:碩士
語文別:中文
指導教授:莊國祥
共同指導教授:
口試委員:鄭添祿;李美賢
中文關鍵字:酵素免疫吸附試驗(ELISA);西方墨點法(Western Blot);Protein G微米球
Abstract
在傳統的生物醫學實驗上,常使用酵素免疫吸附測定法(ELISA)及西方墨點法(Western Blot)作為臨床醫學檢測的工具。ELISA和Western Blot皆是應用抗原與抗體專一性結合的特性,然而,目前所遭遇的困境為抗體偵測效率不足的問題。為了改善此難題,我們研發一款新型大腸桿菌(Escherichia coli : E. coli) 細胞膜上表現Protein G之細菌微米球,Protein G可以有效將偵測的抗體結合在微米球表面,形成一個抗體微米球 (簡稱為Protein G微米球) ,以提升抗體在ELISA及Western Blot的偵測敏感度。目前我們已在實驗室中研發出表現單一Protein G之細菌株(BL21/pET1G)和8個Protein G重複單元之細菌株(BL21/ pET8G)的細菌微米球。經由Western Blot證實BL21/ pET1G及BL21/ pET8G E. coli細菌皆正確表現Protein G或8重覆Protein G,且利用ELISA證實BL21/ pET8G抓取抗體的效率是BL21/ pET1G的10倍。此外 ,於ELISA實驗中證實無論是將細菌株保存於4oC或-80oC,經過40天後,仍不影響Protein G細菌微米球抓取抗體的功能。此細菌微米球的產量豐富、快速且方便,且能讓Protein G細菌微米球的生產品質均一,未來,可廣泛運用在ELISA或Western Blot及其他生物醫學相關實驗上,相信可大大提升偵測抗體的訊號量,以改善舊有實驗方式,加速實驗進行並節省實驗成本,進而成為一種強勁的免疫偵測工具。
URI
https://203.71.86.71/handle/123456789/56696

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