FAQs

FAQs

Can I use the MTT or XTT cell viability kit if my cells have more than 10% FBS?

It has been reported in publications that concentrations of serum above 10% in the assay may affect the...

FAQs

Are the Live-or-Dye™ viability dyes suitable for live/ dead staining in 3D cultures, organoids, Matrigel®, or organotypic tissue slices?

The Live-or-Dye™ fixable viability stains, including Live-or-Dye NucFix™ Red, are dead cell stains that are amine-re...

FAQs

Do you have a fluorescent cell viability assay that I can measure in 96 well format?

Our Resazurin Cell Viability Assay (Cat. No. 30025) has red fluorescence (Ex/Em 530-560/590 nm), and is specifically designed...

FAQs

What is the best way to measure T-cell proliferation response in vitro?

Our ViaFluor® SE Cell Proliferation assay is a dye dilution assay for cell division, like CFSE and CellTrace™...

FAQs

Can Live-or-Dye NucFix™ Red be used in serum-free media like DMEM/F12 or FluoroBrite DMEM?

Live-or-Dye NucFix™ Red is a reactive dye and most cell culture media, even if they are serum-free, contain...

FAQs

Is phenol red in the culture medium compatible with the Resazurin Cell Viability Assay?

Medium with phenol red is compatible with the resazurin assay. Phenol red does not interfere with the resazurin...