Yeast Viability Staining Kit

LoD568 ConA640R
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Catalog #: 31063-1, 31063-2, 31063-3
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Product Description

The Yeast Viability Staining Kit is a fluorescent assay to determine yeast viability. Each kit contains two fluorescent components, CF Dye-labeled Concanavalin A (ConA) and Live-or-Dye™ viability dye. There are 3 different color combinations to choose from (if there is a different color combination that you would prefer, email us at

Live-or-Dye™ viability dyes are cell membrane impermeable amine-reactive dyes designed for discrimination between live and dead cells during flow cytometry or microscopy. They are able to enter into dead cells that have compromised membrane integrity and covalently label free amines on intracellular proteins. This dye labeling is extremely stable, allowing the cells to be fixed and permeabilized without loss of fluorescence or dye transfer between cells.

Concanavalin A (Con A) is a widely used lectin that selectively binds to a-mannopyranosyl and a-glucopyranosy residues, found in the cell wall of yeast and fungi. It is labeled with one of our superior bright, photostable CF™ dyes.

After staining yeast with this kit, both living and dead cells will have cell walls stained with Con A, while only dead cells will also have the cytoplasm stained with the Live-or-Dye™.

Kit Components (for 1000 assays):

  • Live-or-Dye™ (solid), 4 vials
  • Con A (solid), 5 vials
  • anhydrous DMSO, 250 uL


Additional Information

ConA dye color

CF488A, CF594, CF640R

Live or Dye color

594/614, 405/452, 568/583

Flyer (PDF): Yeast Stain Flyer

MSDS (PDF): MSDS 31063

Protocol (PDF): PI-31063

Shipment Method: Shipping and handling methods will be assessed and calculated at time of shipment based upon item(s) storage temperature conditions.

Expedited shipment may be requested at time of checkout.

Please note that products with recommended storage at 4°C or -20°C may ship at ambient temperature. This will not affect product performance. When you receive the product, place it under the recommended storage conditions.

More information about product handling and shelf life