死细胞核染料 DiTO -3 相当于TO-TO 3

货号：17576

产品名称：死细胞核染料 DiTO -3   相当于TO-TO  3  

规格：0.2ml

储存条件：-15℃避光干燥

保质期：12个月

 

产品物理化学光谱特性

分子量：1354.85

溶剂：水

激发波长(nm)：642

发射波长(nm)：660

 

产品介绍

DiTO -3在化学上等同于TOTO®-3（TOTO®是Invitrogen的商标）。DiTO -3是具有深红色荧光的碳花青二聚体，类似于Cy®5染料。它是不渗透细胞的，并且容易与荧光素和罗丹明区别开来，作为核复染和死细胞指示剂。在不存在核酸的情况下它是非荧光的，并且在与DNA结合后会产生非常明亮的荧光信号。DiTO -3可在培养细胞和石蜡切片中进行强而有选择性的核染色。同时使用细胞可渗透的Nuclear Green LCS1染料和不渗透细胞的DiTO®-3进行标记，可以评估细胞的生存能力。DiTO -3和Nuclear Green 的消光系数均比结合DNA的碘化丙啶大。

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