中文名：6-羧基四甲基羅丹明

英文名：6-Carboxytetramethylrhodamine

英文別名：6-Carboxytetramethylrhodamine|91809-67-5|6-TAMRA|4-carboxy-3-[3-(dimethylamino)-6-dimethylazaniumylidenexanthen-9-yl]benzoate|2-(3,6-Bis(dimethylamino)xanthylium-9-yl)-4-carboxybenzoate|9-(2,5-dicarboxyphenyl)-3,6-bis(dimethylamino)-xanthylium, inner salt

純度：for fluorescence,≥90%

貨號(hào)：C115506

包裝：10mg、50mg、100mg

Cas號(hào)：91809-67-5

存儲(chǔ)溫度：避光,-20°C儲(chǔ)存,干燥

產(chǎn)品介紹：

6-羧基四甲基羅丹明（6-TAMRA），是用來建立熒光DNA探針和標(biāo)記蛋白質(zhì)/肽。相應(yīng)的琥珀酰亞胺酯是一個(gè)單一的異構(gòu)體熒光團(tuán),在DNA自動(dòng)測(cè)序時(shí)最為常用。

1).Solvents:For the most part, reactive dyes are hydrophobic molecules and should be dissolved in anhydrous dimethylformamide (DMF) or dimethylsulfoxide (DMSO).?

2).Reaction pH:The labeling reactions of amines with succinimidyl esters are strongly pH dependent. Amine-reactive reagents react with non-protonated aliphatic amine groups, including the terminal amines of proteins and the?e-amino groups of lysines. Thus amine acylation reactions are usually carried out above pH 7.5. Protein modifications by succinimidyl esters can typically be done at pH 7.5-8.5, whereas isothiocyanates may require a pH 9.0-10.0 for optimal conjugations.?

3).Reaction Buffers:Buffers that contain free amines such as Tris and glycine and thiol compounds must be avoided when using an amine-reactive reagent. Ammonium salts (such as ammonium sulfate and ammonium acetate) that are widely used for protein precipitation must also be removed (such as viadinlysis) before performing dye conjugations.?

4).Reaction Temperature:Most conjugations are done at room temperature. However, either elevated or reduced temperature may be required for a particular labeling reaction.

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