核藍(lán) DCS2與SYTOX Blue Dead Cell Stain ( SYTOX?為Thermo Fisher公司商標(biāo))是同一分子。核藍(lán) DCS2是一種簡(jiǎn)單、定量的死細(xì)胞指示劑，可與裝有紫激光的流式細(xì)胞儀配合使用。它是一種高親和力的核酸染色劑，容易穿透質(zhì)膜受損的細(xì)胞，但不會(huì)穿過未受損的細(xì)胞膜。在相同條件下，我們的核紫 DCS1 ( # 17549 )比SYTOX Blue Dead Cell Stain給出了更高的信號(hào)/背景比。與SYTOX Blue Dead Cell Stain相比，核紫 DCS1在405 nm的紫光激發(fā)下具有更好的活性。與Nuclear Violet DCS1染色劑短暫孵育后，死細(xì)胞的核酸在405 nm紫光激發(fā)下發(fā)出亮藍(lán)色熒光。核紫 DCS1染料的紫光激發(fā)熒光發(fā)射允許與大多數(shù)其他激光線激發(fā)的探針清晰區(qū)分，促進(jìn)了信號(hào)之間小光譜重疊的多色分析的發(fā)展。
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