Flow Cytology Dploid and Lower S Phase Calculation
Flow cytology diploid and lower S phase calculation is a critical process in understanding cell cycle dynamics. It helps in diagnosing and monitoring various diseases, including cancer.
- Enter the diploid value and S phase fraction.
- Click the ‘Calculate’ button.
- View the results and chart below.
The calculation is based on the formula: Lower S Phase = Diploid Value * (1 – S Phase Fraction). Here’s a detailed explanation…
| Case | Dploid Value | S Phase Fraction | Lower S Phase |
|---|---|---|---|
| 1 | 40 | 0.4 | 24 |
| 2 | 60 | 0.3 | 42 |
| 3 | 80 | 0.2 | 64 |
| Sample | Dploid Value | S Phase Fraction | Lower S Phase (Calc) | Lower S Phase (Exp) |
|---|---|---|---|---|
| 1 | 40 | 0.4 | 24 | 23.5 |
| 2 | 60 | 0.3 | 42 | 41.8 |
- Always use fresh samples for accurate results.
- Ensure proper staining and gating strategies.
- Consider using DNA histogram software for automated analysis.
What is the difference between diploid and aneuploid cells?
Dploid cells have a consistent number of chromosomes, while aneuploid cells have an abnormal number.
How does S phase affect the calculation?
The S phase fraction directly influences the lower S phase calculation. A higher S phase fraction results in a lower calculated value.
Cancer Diagnosis Fact Sheet – National Cancer Institute
Flow Cytometry in Cancer Diagnosis and Prognosis – National Institutes of Health