A near-infrared fluorescent calcium probe: a new tool for intracellular multicolour Ca2+ imaging
作者:Akihiro Matsui、Keitaro Umezawa、Yutaka Shindo、Tomohiko Fujii、Daniel Citterio、Kotaro Oka、Koji Suzuki
DOI:10.1039/c1cc14045k
日期:——
We report a novel near-infrared fluorescent calcium probe (KFCA), which has good optical properties such as intense NIR fluorescence emission (670 nm, QY: 0.24), excellent ON/OFF ratio (120-fold), and good wavelength-compatibility with visible-light-emissive fluorophores (Fluo-4, DsRed2), and which is applicable for real-time dual-colour intracellular Ca2+ imaging.
我们报告了一种新型近红外荧光钙探针(KFCA),具有良好的光学特性,例如强烈的近红外荧光发射(670 nm,量子产率:0.24)、优异的开/关比(120倍)以及与可见光发射荧光团(Fluo-4、DsRed2)良好的波长兼容性,适用于实时双颜色细胞内Ca2+成像。