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  3. .博碩士學位論文
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  5. 利用液相層析串聯質譜儀建立和驗證人血清中尿毒症毒素硫酸吲哚酚和對甲酚基硫酸鹽的方法
 
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利用液相層析串聯質譜儀建立和驗證人血清中尿毒症毒素硫酸吲哚酚和對甲酚基硫酸鹽的方法

Other Title
Establishment and validation for uremic toxin indoxyl sulfate and p-cresol sulfate in human serum by using LC-MS/MS method
Type
thesis
Date Issued
2023-07-03
Author(s)
呂守正
Advisor
劉俊仁
Subjects
系所名稱:醫學檢驗暨生物技術學系碩士在職專班
Description
學位別:碩士
語文別:中文
口試委員:李麗花 LEE, LI-HUA;楊沂淵 YANG, YI-YUAN;劉俊仁 LIU, JUN-JEN
授權範圍:網際網路,開放日期為2023-07-28
Abstract
目的:慢性腎臟病患者腎功能的惡化和尿毒素具有相當高的相關性,因為尿毒素會誘發炎症反應與增加氧化壓力,導致腎絲球硬化與腎間質纖維化,加重腎功能的衰退。依據2021年台灣腎病年報指出台灣透析發生率及盛行率居高不下,2019年臺灣透析盛行患者數共86,840 人,相較2015年上升11.7 %。近年來有許多研究證明硫酸吲哚酚(indoxyl sulfate,以下簡稱IS)和對甲酚基硫酸鹽(p-cresol sulfate,以下簡稱pCS)對於早期發現腎臟病有直接相關。本研究旨在利用液相層析串聯質譜儀建立和驗證人血清中硫酸吲哚酚和對甲酚基硫酸鹽的方法供臨床檢驗使用。
方法:樣品經蛋白質沉澱處理後注射於層析儀,接著利用電噴灑方式進入偵測器,並以多重反應監控模式偵測質荷比,透過固定相滯留時間之長短,於層析圖呈現之波峰面積進行定量,每一檢體分析時間為5.5分鐘。
結果:(1)線性分析(Linearity):IS與pCS的線性相關係數皆大於0.995;(2)精密度分析(Precision):within day變異係數皆小於3.6%,between day變異係數皆小於6.8%;(3)專一性分析(Specificity):IS與pCS其保留時間(Retention Time)分別為1.76±0.02與2.15±0.01可以很清楚地在分析圖譜上分別開來;(4)基質效應分析(Matrix effect):IS為86.9 %~110.5 %,pCS為95.6 %~101.0 %;(5)最低定量濃度(Limit of quantitation):IS與pCS均可達到0.001 ppm, 其中IS訊號雜訊比為143,pCS訊號雜訊比為391。
結論:我們驗證了一種快速,靈敏的液相層析串聯質譜儀的檢驗方法,可用於定量測定血清中IS和pCS的濃度,將可提供臨床上早期發現腎臟病的可能性。
URI
https://handle.ncl.edu.tw/11296/4mwtz4
https://203.71.86.71/handle/123456789/10396

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