For facs or microscopy Alexa 1 conjugate.Alexa Fluor 633 is a practical alternative to APC as well as Cy5. Bioss Primary Conjugated Antibodies. ALEXA FLUOR made this Alexa Fluor 633 conjugate that can be used in multi-color flow cytometry with instruments equipped with a second red laser or red diode. It is detected in the FL4 detector of the core's upgraded 2-laser FACScans. Like other Alexa Fluor dyes, the Anti-MC5 Receptor/MC5-R exhibits uncommon photo stability, making it an ideal choice for fluorescent microscopy.If you buy Antibodies supplied by Bioss Primary Conjugated Antibodies. ALEXA FLUOR they should be stored frozen at - 24°C for long term storage and for short term at + 5°C.