Cell microfluorometry: a method for rapid fluorescence measurement

Area of Science:

• Biotechnology
• Cell Biology
• Analytical Chemistry

Background:

• Quantitative fluorescence measurement is crucial for cell analysis.
• Existing methods can be time-consuming for large cell populations.

Purpose of the Study:

• To develop a high-speed flow system for quantitative fluorescence determination in cells.
• To analyze Feulgen-DNA distributions in various cell types.

Main Methods:

• Development of a high-speed flow system.
• Utilizing fluorochromes for cell labeling.
• Quantitative measurement of fluorescence intensity.
• Analysis of Feulgen-DNA distributions using flow cytometry.

Main Results:

• The system achieves high-speed cell analysis (10^4 to 10^5 cells/minute).
• Accurate quantitative determination of fluorescence in cells containing fluorochromes.
• Feulgen-DNA distributions were successfully measured in tissue culture cells and human leukocytes.

Conclusions:

• The developed high-speed flow system provides a rapid and accurate method for cell fluorescence analysis.
• Results are comparable to independent, established methods, validating its efficacy.
• This system advances quantitative cell analysis for biological and medical research.