A fluorescent probe for calcium ion detection that has an excellent photofading resistance and quick Ca2+ detection kinetics and can be localized at an arbitrary site in a cell is provided. The fluorescent probe contains a compound represented by the following general formula (I) or a salt thereof:
A method for detecting intracellular calcium ions including (a) introducing the compound above or a salt thereof into a cell and (b) measuring the fluorescence emitted by the compound or a salt thereof in the cell is also provided.
本发明提供了一种用于检测
钙离子的荧光探针,该探针具有优异的抗光褪色性和快速的 Ca2+ 检测动力学特性,并可定位于细胞中的任意部位。该荧光探针含有由以下通式(I)代表的化合物或其盐:
还提供了一种检测细胞内
钙离子的方法,包括(a)将上述化合物或其盐引入细胞,(b)测量该化合物或其盐在细胞内发出的荧光。