Z-DEVD-AFC is a cell-permeant substrate for caspase-3, which causes a shift in fluorescence uponcleavage of the AFC fluorophore. Z-DEVD-AFC can be used to detect caspase-3-like enzymes activity[1].
References
[1] Santiago AR, et al. High glucose induces caspase-independent cell death in retinal neural cells. Neurobiol Dis. 2007;25(3):464-472. DOI:10.1016/j.nbd.2006.10.023