Английская Википедия:Fura-2-acetoxymethyl ester

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Версия от 16:14, 10 марта 2024; EducationBot (обсуждение | вклад) (Новая страница: «{{Английская Википедия/Панель перехода}} {{chembox | verifiedrevid = 427818427 | ImageFile=Fura 2AM.png | ImageSize=200px | PIN=(Acetyloxy)methyl 2-(5-{2-[5-methyl-2-(2,6,10,14-tetraoxo-3,5,11,13-tetraoxa-8-azapentadecan-8-yl)phenoxy]ethoxy}-6-(2,6,10,14-tetraoxo-3,5,11,13-tetraoxa-8-azapentadecan-8-yl)-1-benzofuran-2-yl)-1,3-oxazole-5-carboxylate | OtherNames=Fura-2AM |Section1={{Chembox Identifiers | ChemSpiderID_Ref = {{ch...»)
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Fura-2-acetoxymethyl ester, often abbreviated Fura-2AM, is a membrane-permeant derivative of the ratiometric calcium indicator Fura-2 used in biochemistry to measure cellular calcium concentrations by fluorescence.[1] When added to cells, Fura-2AM crosses cell membranes and once inside the cell, the acetoxymethyl groups are removed by cellular esterases. Removal of the acetoxymethyl esters regenerates "Fura-2", the pentacarboxylate calcium indicator. Measurement of Ca2+-induced fluorescence at both 340 nm and 380 nm allows for calculation of calcium concentrations based 340/380 ratios. The use of the ratio automatically cancels out certain variables such as local differences in fura-2 concentration or cell thickness that would otherwise lead to artifacts when attempting to image calcium concentrations in cells.

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Шаблон:Biochem-stub