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This equation is used when X values are logarithms of doses or concentrations. Use a related equation when X values are concentrations or doses.

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

1. Select category · 2. Choose calculator · 3. Enter data · 4. View results. Compute EC anything from EC 50. This calculator computes EC 80 or EC 90 ...

https://www.graphpad.com/quickcalcs/ecanything1/

The main goal of fitting the dose-response curve in many situations is to determine the best-fit value of the EC50, which is the concentration that provokes a ...

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

Choose an equation where X is expected to be dose or concentration, and Prism will fit the EC50 or IC50 directly, with standard errors.

GraphPad FAQs

The EC50 is the concentration that gives a response half way between the bottom and top plateaus of the curve. If the bottom cannot be defined accurately, ...

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

This equation is used when X values are concentrations or doses. Use a related equation when X values are logarithms of concentrations or doses.

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

This equation is used when X values are concentrations or doses. Use a related equation when X values are logarithms of concentrations or doses.

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.

GraphPad FAQs

The allosteric EC50 shift model described by Christopoulos and Kenakin (Pharmacol Rev, 54: 323-374, 2002) is built in to Prism 5. It fits a family of curves ...

GraphPad FAQs

This equation is used when X values are logarithms of doses or concentrations. Use a related equation when X values are concentrations or doses.

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