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钙离子荧光探针Cal-520FF, AM
货号 | 21142 | 存储条件 | 在零下15度以下保存, 避免光照 |
规格 | 1 mg | 价格 | 6564 |
Ex (nm) | 493 | Em (nm) | 515 |
分子量 | 1138.92 | 溶剂 | DMSO |
产品详细介绍 |
简要概述
产品基本信息
货号:21142
产品名称:钙离子荧光探针Cal-520FF, AM
规格:1mg
储存条件:-15℃避光防潮
保质期:24个月
产品物理化学光谱特性
分子量:1138.92
溶剂:DMSO
激发波长(nm):492
发射波长(nm):514
适用仪器
荧光显微镜 | |
激发: | FITC |
发射: | FITC |
推荐孔板: | 黑色透明 |
荧光酶标仪 | |
激发: | 490nm |
发射: | 525nm |
cutoff: | 515nm |
推荐孔板: | 黑色透明 |
读取模式: | 底读模式 |
产品介绍
钙离子荧光探针Cal-520FF, AM是美国AAT Bioquest生产的钙离子荧光探针,Cal-520®提供了一种功能强大的基于荧光的均质检测工具,用于检测细胞内钙的动员。Cal-520®AM是一种新型的荧光钙敏感染料,与现有的绿色钙指示剂(如Fluo-3 AM和Fluo-4 AM)相比,信噪比和细胞内滞留性显着提高。表达通过钙信号的感兴趣的GPCR或钙通道的细胞可以预装可穿过细胞膜的Cal-520®AM。一旦进入细胞内,Cal-520 AM的亲脂性封闭基团就会被酯酶裂解,从而产生带负电荷的荧光染料,并留在细胞内部。与钙结合后,其荧光大大增强。当细胞被激动剂刺激时,该受体发出信号释放细胞内钙,可以显着提高Cal-520®的荧光。Cal-520®AM具有长波长,高灵敏度和> 100倍荧光增强的特性,使其成为测量细胞钙的理想指示剂。高信噪比和更好的细胞内滞留性使Cal-520®钙测定成为评估GPCR和钙通道靶标以及筛选其激动剂和拮抗剂的强大工具。与其他Cal-520®指标相比,Cal-520FF 对钙的亲和力最低,Kd〜10 uM。金畔生物是AAT Bioquest的中国代理商,为您提供最优质的钙离子荧光探针Cal-520FF, AM。
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钙离子篇:时间轴式讲解应用于钙离子检测的探针
参考文献
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