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頁籤選單縮合
題 名 | An Assay of Angiotensin-converting Enzyme Activity Obtained Using Capillary Electrophoresis=以毛細管電泳測定ACE活性 |
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作 者 | 江美昭; 楊淑娟; 李根永; 蔡正宗; | 書刊名 | 藥物食品分析 |
卷 期 | 13:3 2005.09[民94.09] |
頁 次 | 頁267-272+293 |
分類號 | 412.37 |
關鍵詞 | 毛細管區帶電泳; 血管收縮素轉化酶; 胜肽; Angiotensin-converting enzyme; Hippuryl-L-histidyl-L-leucine; Hippuric acid; Capillary electrophoresis; |
語 文 | 英文(English) |
中文摘要 | 本研究在於開發一簡單的毛細管電泳方法,以測定ACE的活性。ACE反應採用hippuryl-L-histidyl-L-leucine(HHL)作為反應基質,以毛細管區帶電泳(CZE)分離及定量其產物hippuric acid(HA)。最適之CZE分離條件是在應用65 cm×75 mm I.D.熔矽毛細管(有效分離長度55 cm),以10 mM或20 mM磷酸鹽緩衝液(pH 6.0)為電解液、20 kV電壓及228 nm偵測波長。 |
英文摘要 | The authors developed a simple method to measure angiotensin-converting enzyme (ACE) activity using capillary electrophoresis (CE). With hippuryl-L-histidyl-L-leucine (HHL) as the substrate, we separated and quantified the enzymatic product, hippuric acid (HA) using capillary zone electrophoresis (CZE). CZE was performed with a 65 cm fused-silica capillary (55 cm effective length, 75 μm I.D.), using a 10 or 20 mM phosphate solution (pH 6.0) as the running buffer with an applied voltage of 20 kV at room temperature. The HA was identified and monitored at 228 nm. |
本系統中英文摘要資訊取自各篇刊載內容。