About eFluor 660 Fix Viability

eFluor™ 660 Fixable Viability from Thermo Fisher Scientific is an amine-reactive dye that can be used to discriminate between live and dead cells in flow cytometry. It is compatible with further cryopreservation, fixation or permeabilization. It has an excitaiton peak at 640 nm and an emission peak at 656 nm.