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村長(zhǎng)20080808木蟲(chóng) (小有名氣)
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[求助]
請(qǐng)問(wèn)TMB的氧化產(chǎn)物的吸光系數(shù)是多少?
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生物學(xué)里做顯色反應(yīng),過(guò)氧化氫酶催化H2O2氧化TMB,那么請(qǐng)問(wèn): 1.氧化后的TMB顯藍(lán)色,其在波長(zhǎng)為652nm處的吸光系數(shù)是多少? 2.酸化之后溶液會(huì)變?yōu)槌壬蛘唿S色,最大吸收位置約450nm,那么此時(shí)的吸光系數(shù)又是多少? 望知道的蟲(chóng)友不吝賜教,萬(wàn)分感謝。。 |
新蟲(chóng) (初入文壇)
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可以參考這篇文獻(xiàn) “Inhibition of Peroxidase-Catalyzed Oxidation of Aromatic Amines by Substituted Phenols” 文獻(xiàn)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) |
鐵蟲(chóng) (小有名氣)
木蟲(chóng) (小有名氣)
鐵蟲(chóng) (小有名氣)
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