32.1.101 GaddumSchildShiftLog
Contents
Function
\(y =A_1+\frac{A_2 - A_1}{10^{p(\text{LogEC}-x)} + 1} \)
\(\text{where} \; \text{LogEC} = \text{LogEC50} + \text{log}10\left(\left(\frac{B}{10^{-pA2}}\right)^{\text{SchildSlope}} + 1\right) \)
Brief Description
Gaddum/Schild EC50 shift with log(X)
Sample Curve
Parameters
Number: 7
Names:LogEC50, B, pA2, SchildSlope, A1, A2, p
Meanings: LogEC50=Logarithm of EC50, B=Antagonist concentration, pA2=Negative logarithm of antagonist concentration for EC50 shift by 2, SchildSlope=Slope for competitive inhibition, A1=Bottom asymptote, A2=Top asymptote, p=Hill slope
Lower Bounds: none
Upper Bounds: none
Derived Parameters
EC50=10^(LogEC50)
Antag2=10^(-pA2)
Script Access
nlf_GaddumSchildShiftLog(x,LogEC50,B,pA2,SchildSlope,A1,A2,p)
Function File
GaddumSchildShiftLog.fdf
Category
Dose Response
