AMYLASE ACTIVITY MEASUREMENT REAGENT AND AMYLASE ACTIVITY MEASUREMENT METHOD

PROBLEM TO BE SOLVED: To provide an α-amylase activity measurement reagent and an α-amylase activity measurement method that avoid bad influence on reactivity in JCCLS-SOP method.SOLUTION: An AMY activity measurement reagent contains ENM as a substrate and α-glycosidase as a coupling enzyme. The rea...

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Hauptverfasser: NISHIYAMA KYOKO, YASUDA YUKIO, YAMAMOTO YUKITOSHI, TAKEGAWA YUKO
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide an α-amylase activity measurement reagent and an α-amylase activity measurement method that avoid bad influence on reactivity in JCCLS-SOP method.SOLUTION: An AMY activity measurement reagent contains ENM as a substrate and α-glycosidase as a coupling enzyme. The reagent contains a nonionic surfactant of a structure represented by formula (1). The reagent is to measure AMY activity in a sample. (R1 is a C4-12 linear/branched alkyl group; R2-R5 are independently represent H, C, or a 1-4 linear/branched alkyl group; X is an integer of 20-45).SELECTED DRAWING: None 【課題】JCCLS-SOP法との反応性に影響を生じないα−アミラーゼ活性測定試薬及びα−アミラーゼ活性の測定方法を提供する。【解決手段】ENMを基質として、α−グルコシターゼを共役酵素として含む、AMY活性測定試薬において、式(1)で表される構造の非イオン性界面活性剤を含有する、試料中のAMY活性測定試薬。(R1はC4〜12の直鎖状/分岐状のアルキル基;R2〜R5はC各々独立にH、C;1〜4の直鎖状/分枝状のアルキル基;Xは20〜45の整数)【選択図】なし