PMA and PMAxx™ dyes are very sensitive to light. Light exposure, even ambient room light, causes a chemical change in the dye molecule. Therefore we recommend that vials of PMA or PMAxx™ dyes only be opened in darkened rooms or very dim light. We always suggest that you perform a small test experiment if you are concerned that a dye may have lost activity.View more FAQs
My PMA or PMAxx™ was accidentally exposed to light. Is it ruined?
Apoptosis, Necrosis, and Cell Viability KitsCellBrite® & MemBrite® Membrane & Cell Surface StainsCF® DyesDNA Quantitation KitsDNAzure® Visible DNA Gel StainEvaGreen® Dye and Master MixesEverBrite™ Mounting Medium & CoverGrip™ Coverslip SealantExosome & EV StainingGelRed® and GelGreen® Nucleic Acid Gel StainsGelRed® and GelGreen® TroubleshootingIon Indicators & ChelatorsLuciferase AssaysMicrobiology: Dyes for bacteria and yeastMix-n-Stain™ Antibody Labeling KitsNucView® Caspase-3 Enzyme SubstratesOrganelle & Cytoskeleton StainsOther DNA/RNA Gel StainsPMA and PMAxx™ for viability PCRProduct shipping, storage, shelf life, & solubilityProtein Detection & AnalysisResazurin Cell Viability AssayRNAstorm™ and DNAstorm™ FFPE extraction kitsSecondary AntibodiesTrueBlack® Background ReducersTyramide Signal Amplification (CF® Dye & Other Tyramides)