Alamar blue cell viability assay

Supplier: G Bioscienes

786-923 786-921 786-922
GENO786-923EA 851 EUR
GENO786-923 GENO786-921 GENO786-922
Alamar blue cell viability assay
Assays Cellular Assays

AlamarBlue Cell Viability Assay reagent quantitatively measures the proliferation of mammalian cell lines, bacteria and fungi. The dye incorporates an oxidation-reduction (REDOX) indicator that both fluoresces and change colour in response to the chemical reduction of growth medium due to cell growth.


  • High sensitivity and linerarity
  • Quantitative
  • Non-toxic to cells
  • Scalable
  • No cell lysis
  • Stable
  • Flexible and versatile


The alamarBlue (resazurin) dye in its oxidised form is blue in colour and non-fluorescent. In alamarBlue assay the growing cells cause a chemical reduction of the alamarBlue dye from non-fluorescent blue to red fluorescent. The continued growth of viable cells maintain a reducing environment (fluorescent, red) and inhibition of growth maintains an oxidised environment (non-fluorescent, blue), which can be detected using a fluorescence or absorbance detector.


Monitor cell proliferation and cell viability for in vitro cytotoxicity studies (e.g., effects of environmental toxins, cytokines, drugs, siRNA/microRNA). Monitor cell viability in real time for 3D tissue engineering applications.

Order Now


Learn more

About VWR

Avantor is a vertically integrated, global supplier of discovery-to-delivery solutions for...

Learn more About VWR