Table 1. Interaction of Psi and PsiC with hemin.
Drug (μM) | Molar ratio Hemin:Drug | Absorbance ratio A430/A400 | |
---|---|---|---|
(A) | (B) | ||
Control | 1:0 | 0.23 | 0.23 |
Artemisinin | |||
39.75 | 1:5 | 0.25 | 0.27* |
79.50 | 1:10 | 0.28* | 0.35* |
119.25 | 1:15 | 0.32* | 0.41* |
PsiC | |||
7,65 | 1:1 | 0.27* | 0.25 |
15.30 | 1:2 | 0.35* | 0.27* |
22.95 | 1:3 | 0.41* | 0.30* |
30.60 | 1:4 | 0.45* | 0.34* |
38.25 | 1:5 | 0.48* | 0.35* |
Psi | |||
7.65 | 1:1 | 0.26* | 0.25 |
15.30 | 1:2 | 0.26* | 0.27* |
22.95 | 1:3 | 0.27* | 0.28* |
30.60 | 1:4 | 0.27* | 0.30* |
38.25 | 1:5 | 0.29* | 0.32* |
45.90 | 1:6 | 0.32* | 0.37* |
Hemin interaction was assayed spectrophotometrically under non-reducing (A) and reducing conditions (B), by monitoring the Soret band absorption.
*Significant differences (p<0.05) when compared to the control, as assessed by Student's t-test.