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Updated: May 13, 2026

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Viability Assays for Cells in Culture
Published on: January 20, 2014
Traditional and emerging methods for analyzing cell activity in cell culture
N T Stewart1, K M Byrne, H L Hosick
1Muscle Biology Laboratory, Department of Animal Sciences, Washington State University, Pullman, WA, USA.
Summary
Selecting the right cell activity assays is crucial for cell culture research. This guide reviews manual and automated techniques, aiding researchers in choosing optimal methods for their studies.
Area of Science:
- Cell Biology
- Biotechnology
- Research Methodology
Background:
- Accurate assessment of cell activity is fundamental for reproducible cell culture research.
- Numerous manual and automated assays exist, each with unique strengths and limitations.
Purpose of the Study:
- To provide a comprehensive guide to manual and automated cell activity assays.
- To discuss the advantages, disadvantages, and applicability of various assay techniques.
- To offer guidelines for selecting appropriate assays in cell culture research.
Main Methods:
- Review of established manual techniques: hemocytometry, phase contrast microscopy, cell staining, immunofluorescent antibody assay (IFA).
- Analysis of automated assays: stained optical density, proliferating cell nuclear antigen, creatine kinase assay, DNA quantification, electronic cell counting, flow cytometry, magnetic cell sorting, image analysis, chemiluminescence, radioisotope labeling, precursor incorporation, in-situ hybridization/ligand binding, and enzyme-linked immuno-culture assay (ELICA).
Main Results:
- Detailed comparison of manual and automated assay methodologies.
- Discussion on the applicability of each assay to specific cell culture research areas.
- Identification of key factors for assay selection based on research objectives.
Conclusions:
- The choice of assay significantly impacts cell culture research outcomes.
- Understanding assay principles, advantages, and limitations is essential for optimal experimental design.
- This review serves as a valuable resource for researchers navigating cell activity assay selection.
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