A Reliable Ratiometric Fluorescent Probe for the Quantification of Mitochondrial Peroxynitrite in Cells and Tissues
Peroxynitrite (ONOO−) is a reactive oxygen species predominantly generated in mitochondria. Its concentration-dependent dynamics exhibit complex bidirectional effects, making quantitative measurement essential for understanding its pathological roles. Despite advances in fluorescent probes for ONOO− imaging, design l...