Table 2 Standard curve of starch concentration.
From: LIGHt-based rapid detection of starch in tobacco leaves by smartphone sensing
Method | Regression equation | Correlation coefficient R2 | Linear range (µg/mL) |
|---|---|---|---|
Microplate reader | y = 0.0069 x + 0.0608 | 0.9972 | 0.00–80.00 |
Smartphone colorimetry | y = −1.376 x + 186.9 | 0.9941 | 0.00–80.00 |