Table 3.
Dose-Response Curve Parameters and R2 for Modeling the Dataset after Normalization and Scaling
| Brain-Cousens Model | Cedergreen Model | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Substrate Concentration (μM) | Substrate Concentration (μM) | |||||||||
| Parameter | 0.25 | 0.5 | 1 | 3 | 10 | 0.25 | 0.5 | 1 | 3 | 10 |
| a | n/a | n/a | n/a | n/a | n/a | 0.5087 | 0.4525 | 0.6523 | 0.7118 | n/a |
| b | 2.1953 | 1.7047 | 1.5782 | 1.3845 | 1.3130 | 1.8295 | 1.2634 | 0.9497 | 0.8706 | n/a |
| c | 0a | 0a | 0a | 0a | 0a | 0a | 0a | 0a | 0a | n/a |
| d | 100b | 100b | 100b | 100b | 100b | 100b | 100b | 100b | 100b | n/a |
| e | 3.6532 | 2.5803 | 2.9518 | 3.6051 | 11.3454 | 3.2534 | 7.2927 | 8.5220 | 26.2519 | n/a |
| f | 1.7762c | 65.6754 | 84.3791 | 74.5299 | 27.7673 | 23.4966c | 115.15 | 196.30 | 159.29 | n/a |
| ED 50 | 3.8745 | 15.6050 | 48.4562 | 287.64 | 4067.54 | 3.7651 | 16.1686 | 42.5023 | 132.39 | n/a |
| M | 0.1917 | 1.5531 | 2.4506 | 4.0958 | 16.8928 | 0.3879 | 1.3056 | 2.1720 | 3.9385 | n/a |
| LDS | 0.3707 | 5.4542 | 14.3082 | 47.1306 | 443.57 | 0.7988 | 5.6877 | 14.4126 | 41.3385 | n/a |
| y max | 100.19 | 142.17 | 175.76 | 184.78 | 211.82 | 102.56 | 132.39 | 162.94 | 175.60 | n/a |
| y max % | 100.19 | 142.17 | 175.76 | 184.78 | 211.82 | 102.56 | 132.39 | 162.94 | 175.60 | n/a |
| R 2 | 0.9560 | 0.9259 | 0.8003 | 0.8499 | 0.9585 | 0.9538 | 0.9307 | 0.8098 | 0.8328 | n/a |
| R 2 adjusted | 0.9539 | 0.9224 | 0.7957 | 0.8464 | 0.9565 | 0.9516 | 0.9274 | 0.8055 | 0.8290 | n/a |
parameter c was fixed
parameter d was fixed
f is not significantly different from zero based on the 95% confidence interval
Abbreviations: ND, not determined; n/a, not applicable