Table 1 Regression analysis of calibration curve
| Parameters | Results |
|---|---|
| Linearity (ng/band) | 500–8000 |
| Correlation coefficient ( r2) | 0.9979 |
| Slope of regression equation | 1760.4 |
| Standard deviation of slope | 10.08 |
| Intercept of regression | 100.08 |
| S.D of y-intercept | 56.71 |