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EC50 is the concentration of agonist that gives a response half way between ... Depending on which units Y is expressed in, and the values of Bottom and Top, the ...

https://www.graphpad.com/guides/prism/latest/curve-fitting/

Many log(dose) response curves follow the familiar symmetrical sigmoidal shape. The usual goal is to determine the EC50 of the agonist - the concentration that ...

https://www.graphpad.com/guides/prism/latest/curve-fitting/

EC50 and LogEC50: EC50 is the concentration of agonist that gives half maximal response in the absence of inhibitor. The logEC50 is in the same units you used ...

https://www.graphpad.com/guides/prism/latest/curve-fitting/

First let's look at the variables without a log transform, H + and EC50. Both come pretty close to the definition of a ratio variable.

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EC50 is the concentration of agonist that gives a response half way between ... Depending on which units Y is expressed in, and the values of Bottom and Top, the ...

https://www.graphpad.com/guides/prism/latest/curve-fitting/

The graph below shows two dose-response curves. The goal of the experiment is to determine the two EC50 values. The EC50 is the concentration (dose) that ...

https://www.graphpad.com/guides/prism/latest/curve-fitting/

The best-fit curve will be identical, but the parameter values will differ. The best fit value of the "EC50" will be very different.

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In this case, use nonlinear regression to quantify the fold shift in the EC50 and its confidence interval, and to compute a P value that tests the null ...

https://www.graphpad.com/guides/prism/latest/statistics/

Equation: EC50 shift; Equation: Allosteric EC50 shift; Equation: ECanything; Equation: Absolute IC50. Receptor binding - Key concepts; Receptor binding ...

https://www.graphpad.com/guides/prism/latest/curve-fitting/

Many log(dose) response curves follow the familiar symmetrical sigmoidal shape. The usual goal is to determine the EC50 of the agonist - the concentration that ...

https://www.graphpad.com/guides/prism/latest/curve-fitting/