We report herein a caged luciferin probe Cy-Hy as a sequentially activated probe to selectively and sensitively sense l-Cys and H2O2, utilizing the present probe, the cellular excess l-Cys induced H2O2 up-regulation was observed for the first time in the living MDA-MB-231 cells.
我们在此报告一个被笼罩的荧光素探针Cy-Hy,作为一个顺序激活的探针,可以选择性和敏感地感测l-Cys和H2O2。利用这个探针,我们首次在活体MDA-MB-231细胞中观察到细胞内过量的l-Cys诱导H2O2的上调。