核蓝 DCS2与SYTOX Blue Dead Cell Stain ( SYTOX™为Thermo Fisher公司商标)是同一分子。核蓝 DCS2是一种简单、定量的死细胞指示剂,可与装有紫激光的流式细胞仪配合使用。它是一种高亲和力的核酸染色剂,容易穿透质膜受损的细胞,但不会穿过未受损的细胞膜。在相同条件下,我们的核紫 DCS1 ( # 17549 )比SYTOX Blue Dead Cell Stain给出了更高的信号/背景比。与SYTOX Blue Dead Cell Stain相比,核紫 DCS1在405 nm的紫光激发下具有更好的活性。与Nuclear Violet DCS1染色剂短暂孵育后,死细胞的核酸在405 nm紫光激发下发出亮蓝色荧光。核紫 DCS1染料的紫光激发荧光发射允许与大多数其他激光线激发的探针清晰区分,促进了信号之间小光谱重叠的多色分析的发展。
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