New Zenon Alexa Fluor Plus Labeling Reagents are superior in three ways: improved bioconjugation for brighter signal, redesigned protein for robust screening regardless of IgG isotype, and new, more sensitive fluorophores.
How should I store my allophycocyanin (APC)-conjugated antibody?
Allophycocyanin-conjugated antibodies must be stored at 2-8 degrees C. Antibodies conjugated to phycobiliproteins (APC, R-PE) must never be frozen. Once frozen, even briefly, they are no longer usable.