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Related Experiment Video

Updated: Jul 2, 2026

Viability Assays for Cells in Culture
12:03

Viability Assays for Cells in Culture

Published on: January 20, 2014

Assessment of cell viability.

D M Coder1

  • 1University of Washington School of Medicine, Seattle, Washington, USA.

Current Protocols in Cytometry
|September 5, 2008
PubMed
Summary

This study details methods for assessing cell viability, focusing on dye exclusion, esterase activity, and mitochondrial membrane potential. These techniques help determine cell health before and after fixation for accurate biological research.

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Area of Science:

  • Cell Biology
  • Biotechnology
  • Microscopy

Background:

  • Cell viability assessment is crucial for biological research.
  • Traditional methods often rely on morphological changes or membrane permeability.
  • Accurate viability assays are needed for reliable experimental outcomes.

Purpose of the Study:

  • To present a comprehensive unit on cell viability assessment methods.
  • To detail protocols for evaluating cell health using dye exclusion, esterase activity, and mitochondrial membrane potential.
  • To provide methods for determining cell viability before and after fixation.

Main Methods:

  • Dye exclusion assays to differentiate viable from non-viable cells.
  • Measurement of intracellular esterase activity as an indicator of metabolic function.
  • Assessment of mitochondrial membrane potential to infer cellular health.
  • Protocols for assessing viability of both live and fixed cells.

Main Results:

  • Established reliable methods for quantifying cell viability.
  • Demonstrated the utility of dye exclusion, esterase activity, and mitochondrial membrane potential assays.
  • Provided protocols applicable to both live and fixed cell samples.
  • Included a specific dye-exclusion procedure optimized for microscopy.

Conclusions:

  • The presented methods offer a robust toolkit for cell viability assessment.
  • These techniques are valuable for various research applications in cell biology and drug discovery.
  • Accurate cell viability determination is essential for interpreting experimental results.

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