CytoDet DAPI 染色液(即用型)

产品货号:AG51014 / AG51016

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价格范围:¥150 至 ¥450

产品描述

本产品是基于DAPI(4′, 6-二脒基-2苯基吲哚)的荧光染料,被广泛应用于细胞成像技术的 DNA 与细胞核染色。其检测原理是 DAPI 能够与 DNA 双链中的小沟结合后发出强烈的蓝色荧光(最大激发光与发射光分别为 Ex = 364 nm,Em = 454 nm);DAPI 本身荧光背景较低,与dsDNA 结合后可使荧光强度增强约 20 倍。本产品操作简单,仅需将 DAPI Solution(Ready-to-Use)直接加入样本中,孵育一定的时间后即可观察到明亮的蓝色荧光,可用荧光显微镜观察或流式细胞仪检测。
本产品可广泛用于活细胞、固定细胞或组织、石蜡切片的细胞核染色、细胞凋亡、细胞周期等分析。本产品为 5 μg / ml 的即用型染色液,无需稀释,可直接使用,若需要使用高浓度的 DAPI 染色液,可选用本公司产品 CytoDet DAPI 染色液(Code No. AG51013)。

产品优势

1. 本产品为 5 μg / ml 的即用型染色液,操作简单,可直接加入至细胞中,不需要稀释等步骤,染色 5 ~ 20 min 即可观察到蓝色荧光, 染色性能稳定。
2. DAPI 与 dsDNA 结合后为典型的蓝色荧光,在细胞生物学实验中,非常适合搭配绿色、红色荧光基团在多色实验中共用。

产品组成
组分 AG51014 AG51016
DAPI Solution(Ready-to-Use)(5 μg / ml) 10 ml 50 ml

 

保存与运输
保存温度:-20℃ 避光保存
运输温度:-20℃ 冰袋运输
实验例1

分别用适量的 4% 多聚甲醛固定液室温固定 1×106 个 Jurkat 细胞和 12 孔板中的 Hela 细胞,去除固定液后加入适量的 PBS 洗涤两遍,然后用适量的 DAPI Solution(Ready-to-Use)进行染色,结果如下图所示,细胞核呈现蓝色荧光。

 

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