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xiaojian123銀蟲 (初入文壇)
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[求助]
硫代巴比妥酸測定小麥根系丙二醛(MDA)含量,顯示黃綠色而不是粉紅色? 已有1人參與
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| 用硫代巴比妥酸測定小麥根系丙二醛(MDA)含量,無論用PBS研磨還是1%的TCA研磨,提取液和TBA(0.5%)反應(yīng)后為什么總是顯示黃綠色而不是實(shí)驗(yàn)說的那種粉紅色?求助這是什么原因? |
木蟲 (著名寫手)
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硫代巴比妥酸測定生物體系內(nèi)的丙二醛是存在很多干擾成分,即假陽性成分多,現(xiàn)在都用MDA-DNPH結(jié)合的HPLC,更好的方法。。。 R. Mateos, E. Lecumberri, S. Ramos, L. Goya, L. Bravo, Determination of malondialdehyde (MDA) by high-performance liquid chromatography in serum and liver as a biomarker for oxidative stress: Application to a rat model for hypercholesterolemia and evaluation of the effect of diets rich in phenolic antioxidants from fruits, J. Chromatogr. B 827(2005) 76-82 N. Tukozkan, H. Erdamar, I. Seven, Measurement of total malondialdehyde in plasma and tissues by high-performance liquid chromatography and thiobarbituric acid assay, Firat Tip Dergisi 11 (2006) 88-92. |
銀蟲 (初入文壇)
新蟲 (小有名氣)

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