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Assessment of GFP Expression and Viability Using the Tali Image-Based Cytometer
Published on: November 17, 2011
Rapid image-based cytometry for comparison of fluorescent viability staining methods.
Leo L Chan1, Alisha R Wilkinson, Benjamin D Paradis
1Department of Technology R&D, Nexcelom Bioscience LLC, 360 Merrimack St. Building 9, Lawrence, MA 01843, USA, lchan@nexcelom.com
Journal of Fluorescence
|June 22, 2012
Summary
Image-based cell counters simplify cell viability measurements. These advanced systems offer accurate results comparable to traditional methods, even with complex samples, improving research efficiency.
Area of Science:
- Cell Biology
- Biotechnology
Background:
- Accurate cell viability measurement is crucial for cell-based research.
- Traditional trypan blue exclusion method is time-consuming and requires pure cell samples.
Purpose of the Study:
- To evaluate image-based cell counters for simplified cell viability detection.
- To compare various fluorescence-based staining methods with traditional techniques.
Main Methods:
- Utilized the Cellometer image-based cytometer.
- Compared single-staining (nucleic acid and enzymatic stains) and dual-staining (AO/PI, CFDA/PI, etc.) methods.
- Tested methods on cell lines and primary cells with high debris content.
Main Results:
- Single-staining methods yielded results comparable to trypan blue for cell lines.
- Dual-staining effectively excluded debris and non-nucleated cells in primary samples.
- Image-based counters simplified procedures and provided visual confirmation.
Conclusions:
- Image-based cell counters offer a simplified and efficient alternative for cell viability assessment.
- Dual-staining methods with image-based counters eliminate the need for sample purification.
- These systems enhance the accuracy and efficiency of cell viability detection in research.
