Improved Method for Measurement of Rhodanese Activity Using Methanethiosulfonate as Sulfur Donor Substrate and Its Application to Human Serum
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概要
- 論文の詳細を見る
We have developed a sensitive method for the measurement of rhodanese activity in human serum which is based on the colorimetric method for the determination of thiocyanate produced from methanethiosulfonate and cyanide as substrates. Thiocyanate gives a red complex with ferric ion in an acidic condition. THe present method is about 70-fold more sensitive than the conventional method using cyanide and thiosulfate as substrates and correlates well (r=0.997) with the conventional method in bovine liver rhodanese. Within-run precision of the method is 0.91% for 420 units/l serum adn teh calibration curve is linear up to 1850 units/l. The normal value for human serum, determined by the present method on 31 healthy persons, was 20.9±20.0 units/l (mean ±2S.D.). Rhodanese activity was clearly elevated in some serum samples which were observed at abnormal values in some biochemical diagnostic tests and showed significant positive correlations with guanase activity (r=0.728,p<0.01) and glutamic-oxalacetic transaminase activity (r=0.625,p<0.01).
- 社団法人日本薬学会の論文
- 1991-12-25
著者
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川鍋 康治
Departments Of Analytical Chemistry Meiji College Of Pharmacy
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田辺 信三
明治薬科大学分析化学
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縄田 正志
Departments of Analytical Chemistry, Meiji College of Pharmacy
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田辺 信三
Hygienic Chemistry, Meiji College of Pharmacy
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田辺 信三
明治薬大
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Tanabe Shinzou
Department Of Hygienic Chemistry Meiji College Of Pharmacy
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八木 隆行
Departments of Analytical Chemistry Meiji College of Pharmacy
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縄田 正志
Departments Of Analytical Chemistry Meiji College Of Pharmacy
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