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四甲基罗丹明异硫氰酸酯异构体R(TRITC)是四甲基罗丹明异硫氰酸酯的R异构体,也称6-四甲基罗丹明异硫氰酸酯。它是一种强荧光化合物,溶于乙醇、甲醇、二甲基甲酰胺、二甲亚砜和水。 TRITC是一种中等尺寸的氨基氧杂蒽染料,非平面的悬垂苯环上含有羧酸和异硫氰酸酯取代基。在酸性pH以及含亲水两性离子的近中性pH下,它形成亲脂阳离子。异硫氰酸酯基团与生物分子的亲核取代基(如氨基、羟基、巯基)反应,这为荧光标记的连接提供了方法。TRITC 也与水和氢氧离子反应,在水性溶液中不稳定。TRITC可以作为两性离子或氯化物在市面上买到。 应用 TRITC 用于标记各种生物分子,包括免疫球蛋白、 凝集素、核酸、多核苷酸和多糖,可用于亲和、 免疫和原位杂交、荧光探针和 流式细胞术。 凝集素是TRITC标记试剂,用于切片和细胞单层的亲和染色, 以识别唾液腺的唾液黏蛋白。 TRITC-抗体用于识别致病性变形虫。 TRITC-寡核苷酸用于土壤微生物的原位杂交染色 。 TRITC标记试剂也用作活细胞的荧光探针 。 TRITC标记粘菌细胞的流式细胞术已被用于研究 其聚集行为。 标记方法 (1)在0.1M,pH=9.0的Na2CO3溶液中配置蛋白的浓度至少2 mg/mL。 (2)在暗室中配置TRITC的干燥DMSO溶液,浓度为1 mg/mL;然后用铝箔包住避光。请勿使用旧的TRITC溶液,会影响标记效率。 (3)在暗室中慢慢加入50μL TRITC 到1mL 的蛋白溶液中,轻轻晃动混匀。 (4)在暗室中4 ° C 反应8小时以上;常温反应2~4小时。 (5)反应完毕加入100 mM NH4Cl 1 mL 再反应2小时淬灭未反应的TRITC。 (6)用PBS或其它缓冲液过柱纯化。 Tetramethylrhodamine isothiocyanate Isomer R (TRITC) is the R isomer of tetramethylrhodamine isothiocyanate and is also known as 6-tetramethylrhodamine isothiocyanate. It is a strongly fluorescent compound soluble in ethanol, methanol, dimethylformamide, dimethylsulfoxide, and water. TRITC is a moderately-sized aminoxanthene dye carrying carboxylic acid and isothiocyanate substituents on the non-planar pendant phenyl ring. It forms a lipophilic cation in acidic pH and a hydrophilic zwitterion around neutral pH. The isothiocyanate group reacts with nucleophilic substituents (e.g., amino, hydroxyl, thiol) of biomolecules, providing the means of attaching a fluorescent label. TRITC also reacts with water and hydroxide ions and is unstable in aqueous solutions. TRITC is commercially available as a zwitterion or as a chloride.
Chinese name
6-TRITC,R-异构体[四甲基罗丹明-6-异硫氰酸酯]
English name
6-TRITC, R-isomer [Tetramethylrhodamine-6-isothiocyanate]
Chinese alias
-
English alias
Xanthylium, 9-(2-carboxyisothiocyanatophenyl)-3,6-bis(dimethylamino)- (inner salt) | Tetramethylrhodamine isothiocyanate | 2-(6-(dimethylamino)-3-(dimethyliminio)-3H-xanthen-9-yl)-4-isothiocyanatobenzoate | 6-TRITC | 6-TRITC, R-isomer | tetramethylrhodami
CAS number
80724-20-5
molecular formula
C25H21N3O3S
molecular weight
443.52 g/mol
Exact mass
≥80%
PSA
100.000 Ų
Logp
5.100
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Research chemical CAS 80724-20-5 95% 5mg

Yuanye Research chemical CAS 80724-20-5 95% 5mg, complete specifications; suitable for production, research, laboratory testing and inspection; digital one-stop procurement platform for scientific materials.

item number:Y43356-5mg
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