Calcein AM/PI Double Staining Kit
中文名称:Calcein AM/PI活死细胞双染试剂盒

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- 应用: 细胞活力/细胞毒性
检测原理 | Elabscience® Calcein AM/PI Double Staining Kit可用于区分含有酯酶活性的哺乳动物的死细胞和活细胞,Calcein AM 是在传统的Calcein上添加上乙酰甲氧基甲酯即(AM)基团,疏水性增加,能很容易穿透活细胞膜,进入细胞内。Calcein AM本身无荧光,进入细胞后被细胞中内源性酯酶水解,生成具有强负电荷且不能通过细胞膜的极性分子Calcein滞留在细胞内,而Calcein可发出强绿色荧光(Ex/Em= 494nm/517nm)。由于死细胞缺乏酯酶,不能或很少能产生Calcein,因此仅活细胞会被染色为强绿色荧光,死细胞不能被染色或者染色非常弱。死细胞的细胞膜选择透过性丧失,碘化丙啶(Propidium Iodide,PI)可以进入胞内与双链DNA特异性结合并产生强烈的红色荧光(Ex/Em=535nm/617nm),从而对死细胞进行标记。因此,Calcein AM与碘化丙啶联合使用,可以对活细胞与死细胞同时进行双重荧光染色,可用于细胞活性与细胞毒性的检测。 |
检测方法 | 荧光法;流式 |
样本类型 | 细胞 |
检测时间 | 30 min |
检测仪器 | 流式细胞仪;荧光显微镜 |
荧光 | Calcein/PI |
Ex/Em | 494/517,535/617 |
Channel set | FITC, PE/PerCP/Cy5.5 |
Filter set | FITC, TRITC |
自备试剂 | PBS(E-BC-R187) |
保存温度 | 该产品可在-20°C避光条件下保存12个月。 |
有效期 | 12个月 |
运输条件 | 冰袋 |
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E-CK-A164 | Calcein AM Solution (100 μM) | 500 Tests , 100 Tests , 500 Tests × 10 |
E-CK-A165 | Propidium Iodide (PI) Solution(750 μM) | 500 Tests , 100 Tests , 500 Tests × 10 |
E-CK-A153 | Calcein AM Assay Buffer | 100 mL |
