DAA lifetimes were documented in 1974 and reported lifetimes of 17ns, but when interpreting the data, there are two decays, one contributing ~98% at a stable 6.7ns and the other contributing ~2% between 28ns and 32ns.
This is also proving really fit in general.
AZ S2 TCSPC requires sub 350nm excitation wavelength which we don’t have.
R800 and NR excitation spectra go beyond the 600nm correction limit for the excitation lamp.