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Density Gradient Ultracentrifugation for Investigating Endocytic Recycling in Mammalian Cells
Published on: June 30, 2021
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Mammalian cell culture density determination using a laser through-beam sensor.
Sarah M Rue1, Paul W Anderson1,2, Jessica M Miller1
1Genomics Institute of the Novartis Research Foundation, San Diego, CA 92121, USA.
Biotechniques
|October 5, 2018
Summary
A new flask density reader (FDR) device automates cell density measurements for high-throughput protein expression. This noninvasive system enhances efficiency and reduces contamination risk in mammalian cell cultures.
Area of Science:
- Biotechnology
- Cell Biology
- Proteomics
Background:
- High-throughput protein expression is crucial for research and biotherapeutics.
- Current methods for monitoring cell density are often time-consuming and increase contamination risk.
Purpose of the Study:
- To develop and integrate an automated device for rapid, noninvasive cell density determination.
- To improve the efficiency and safety of mammalian cell cultures in high-throughput protein expression platforms.
Main Methods:
- Development of a flask density reader (FDR) using a through-beam laser and sensor.
- Integration of the FDR onto an automated protein expression platform.
- Spectrophotometric determination of cell densities in suspension mammalian cell cultures.
Main Results:
- The FDR enables rapid, noninvasive, and fully automated cell density measurements.
- Integration onto the automated platform streamlines the protein expression workflow.
- Reduced need for manual flask sampling minimizes culture contamination risks.
Conclusions:
- The flask density reader significantly enhances the automation and efficiency of high-throughput protein expression.
- This device offers a valuable tool for optimizing mammalian cell culture processes.
- The FDR contributes to safer and more time-effective protein production workflows.
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