Note: Each chamber in the CountessTM Cell Counting Chamber Slide has a 10-μL sample capacity. Do not overfill the slide chambers.
Note: After using the CountessTM Cell Counting Chamber Slides, appropriately dispose of them as biohazardous waste. Do not reuse the disposable chamber slides.
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The Countess cell count and viability assay is a commonly used technique for determining the concentration and viability of cells in a sample. This assay utilizes the dye trypan blue, which selectively stains dead cells due to their compromised membranes, as opposed to live cells which prevent the dye from entering.