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Prism computes the values internally, but it doesn't show them to you. If you want to see the SD or SEM values: Go to the data table. Click analyze.

GraphPad FAQs

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

It fits the logIC50, which is not the same as the Ki of the unlabelled ligand for binding. The Ki depends on the IC50, the concentration of radioligand, and its ...

https://www.graphpad.com/guides/prism/8/curve-fitting/

After fitting the log of the EC50, Prism does the antilogarithm transform to report the EC50 and its logarithm. Prism assumes that you used base 10 logarithms, ...

GraphPad FAQs

Note that the EC50 is NOT the concentration that provokes a response Y that equals 50. Keywords: troubleshoot, IC50, dose-response, expect, strange, wrong ...

GraphPad FAQs

... IC50). Compare Across Single or Multiple Groups. Prism's Grouped and Column Graphs simplify flow cytometry analysis, guiding you to identify trends and ...

https://www.graphpad.com/features/

Equation: Absolute IC50. Dose-response -- Special (X is Log[Concentration]); Receptor binding - Key concepts; Receptor binding - Saturation binding; Receptor ...

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

A confidence interval consists of two confidence limits. In some cases, Prism can only determine one confidence limit and reports the other limit as "???".

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

... IC50. Explore the Knowledgebase. Analyze, graph and present your scientific work easily with GraphPad Prism. No coding required. Try for Free. Scientific ...

GraphPad FAQs

Equation: Absolute IC50. Dose-response -- Special (X is Log[Concentration]); Receptor binding - Key concepts; Receptor binding - Saturation binding; Receptor ...

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