Table I.
The linear regression equation, linear range and the correlation co-efficient of 5 neurotransmitters were measured using the HPLC fluorescence method.
| Neurotransmitters | Linear equation | Linear range (µg/ml) | Correlation co-efficient (r) |
|---|---|---|---|
| NA | y=5.29·105x+6.19·103 | 0.0625–1.0 | 0.999815 |
| Ad | y=7.34·105x+8.66·103 | 0.0625–1.0 | 0.998305 |
| DA | y=9.32·105x+1.61·104 | 0.125–2.0 | 0.999789 |
| Try | y=8.12·106x−3.00·105 | 0.0625–1.0 | 0.996419 |
| 5-HT | y=1.35·107x−1.15·106 | 0.0625–1.0 | 0.995741 |
HPLC, high performance liquid chromatography; NA, noradrenaline; Ad, adrenaline; DA, dopamine; Try, tryptophan; 5-HT, 5-hydroxytryptamine.