| Concentration | 
 | 
 | 
 | 
 | Mean | 
| 4 mM | 0.097 | 0.095 | 
 | 
 | 0.096 | 
| 2 mM | 0.096 | 0.093 | 
 | 
 | 0.0945 | 
| 1 mM | 0.092 | 0.089 | 
 | 
 | 0.0905 | 
| 200 µM | 0.598 | 0.571 | 
 | 
 | 0.5845 | 
| 100 µM | 0.992 | 2.214 | 
 | 
 | 1.603 | 
| 50 µM | 1.612 | 1.288 | 
 | 
 | 1.45 | 
| 25 µM | 0.685 | 1.504 | 
 | 
 | 1.0945 | 
| 12.5 µM | 0.876 | 1.414 | 
 | 
 | 1.145 | 
| 1.25 µM | 1.424 | 1.702 | 
 | 
 | 1.563 | 
| Positive controls | 1.858 | 1.904 | 1.634 | 1.444 | 1.71 | 
| Negative controls | 0.091 | 0.091 | 
 | 
 | 0.091 |