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村長20080808木蟲 (小有名氣)
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[求助]
請問TMB的氧化產(chǎn)物的吸光系數(shù)是多少?
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生物學里做顯色反應(yīng),過氧化氫酶催化H2O2氧化TMB,那么請問: 1.氧化后的TMB顯藍色,其在波長為652nm處的吸光系數(shù)是多少? 2.酸化之后溶液會變?yōu)槌壬蛘唿S色,最大吸收位置約450nm,那么此時的吸光系數(shù)又是多少? 望知道的蟲友不吝賜教,萬分感謝。! |
鐵蟲 (小有名氣)
木蟲 (小有名氣)
鐵蟲 (小有名氣)
木蟲 (小有名氣)
鐵蟲 (小有名氣)
新蟲 (初入文壇)
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可以參考這篇文獻 “Inhibition of Peroxidase-Catalyzed Oxidation of Aromatic Amines by Substituted Phenols” 文獻原文Peroxidase-catalyzed TMB oxidation reactions (whether in the presence or in the absence of the inhibitors) were followed for 1–2 min; absorption was recorded at 655 nm (D655), corresponding to maximum absorption of the product of TMB oxidation. The initial rates of the process were calculated using the molar absorption coefficient of the reaction product ![]() (ε 655nm = 39000 /(M*cm) |
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