Rapid quantification of cell viability

  • Save time with a shorter incubation step than other resazurin-based assays
  • Obtain accurate results with proven consistency
  • Monitor living cells over time
  • Absence of cell lysis step enables downstream or multiplexed functional

Compare plate-based viability assays

  Fastest live assay Most widely used live assay Economical live assay Most economical Water-soluble alternative to MTT
Plate-based Product Comparison PrestoBlue® alamarBlue® Resazurin Powder MTT Powder XTT powder
Assay TypeResazurin basedResazurin basedResazurin basedTetrazolium basedTetrazolium based
WorkflowSingle additionSingle additionWeigh powder, prepare solution + single additionWeigh powder, prepare solutions + two additionsWeigh powder, prepare solutions + two additions
Incubation time> = 10 minutes 1-4 hours 4 hrs >= 2 hours 2-4 hours
Detection MethodAbsorbance or Fluorescence Absorbance or Fluorescence Absorbance or Fluorescence Absorbance Absorbance
Cell Format LiveLiveLiveLysis/EndpointLysis/Endpoint
Compatible with Phenol Red yesyesyesyes
Sensitivity 12 cells/well 50 cells/well 100 cells/well 1,000 cells/well 1,000 cells/well
Instrument Spectro- photometer, Microplate Reader Spectro- photometer, Microplate Reader Spectro- photometer, Microplate Reader Spectro- photometer, Microplate ReaderSpectro- photometer, Microplate Reader
Price per 96-well plate $$ $$ $ $ $$
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alamarBlue® is a registered trademark of Trek Diagnostic Systems, Inc.