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  5. 開發創新的poly-protein G表現細胞以提升酵素免疫吸附測定法(ELISA)之抗體偵測效率
 
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開發創新的poly-protein G表現細胞以提升酵素免疫吸附測定法(ELISA)之抗體偵測效率

Other Title
Development of a novel poly-protein G expressing cell to enhance detection sensitivity of antibody based enzyme-linked immunosorbent assay(ELISA)
Type
thesis
Date Issued
2014-07-10
Author(s)
陳易柔
Advisor
莊國祥
Subjects
系所名稱:生藥學研究所
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;張偉嶠
中文關鍵字:protein G;poly-protein G表現細胞;酵素免疫分析法;ELISA
Abstract
酵素免疫吸附測定法(ELISA) 為一種利用抗原-抗體專一性結合之檢測工具,已廣泛應用於生物醫學以及各種產業領域,然而仍面臨抗體偵測敏感度不足的問題。為了解決此問題,我們開發一種新型Poly-protein G cell-based ELISA平臺,將穩定表現Poly-protein G之細胞固定於ELISA平臺,提升抗體固定於ELISA平臺之數量,進而提升偵測敏感性。功能性protein G或Poly-protein G可穩定表現於細胞上,且被protein G或Poly-protein G所抓取之anti-PEG antibody,仍保有其PEG辨認之專一性。Poly-protein G cell-based ELISA平臺所能承載之抗體量較傳統ELISA平臺高出之2至18倍。且Poly-protein G cell-based ELISA平臺確實可應用於sandwich ELISA,並對於各種PEG或PEG修飾物(PEG10K、PEG2K-Lipo-dox以及 PEGASYS)之偵測效率皆遠高於傳統ELISA平臺。重要的是,poly-protein G cell based ELISA平臺之偵測敏感度甚至可達 pg/ml之水平。因此poly-protein G cell based ELISA平臺可大幅提升抗體固定於ELISA平臺之數量,並保有抗體專一性及方向性,未來將可取代傳統ELISA平臺,應用於生物醫學及各領域之研究。
URI
https://203.71.86.71/handle/123456789/56709

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