Nernst Equation and Goldman Equation STEP BY STEP || Nernst Potential || Equilibrium Potential

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Nernst Equation and Goldman Equation || Nernst Potential || Equilibrium Potential:
If charged ions diffuse across the cell membrane, the resultant electrical potential, opposes further diffusion on ions. The exact potential where diffusion stops, depends on concentration gradient, and charge on the ion. And it can be calculated by Nernst equation. In real life, multiple ions contribute to final equilibrium potential, depending on their permeability. In such case, the potential can be calculated using Goldman equation.
Chapters:
00:00 Intro
00:15 Equilibrium Potential of Potassium
01:53 Equilibrium Potential of Sodium
02:53 Nernst Equation
04:13 Goldman Equation
06:04 Summary
Dr Vipul Navadiya
DISCLAIMER: This video is for education purposes only. Although every effort is made to ensure the accuracy of the material, viewers should refer to the appropriate regulatory body/authorized websites, guidelines, and other suitable sources of information as deemed relevant and applicable. In view of the possibility of human error or changes in medical science, any person or organization involved in the preparation of this work accepts no responsibility for any errors or omissions, or results obtained from the use of information in this video.

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[@sabahassan4007]

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[@tomcruise9317]

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[@NonstopNeuron]

Noted. Thanks for the comment.

[@fatimabano1678]

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[@taashin2863]

But where did minus 61 came from in both equations

[@mtdpkmtdpk9698]

You will get approximately 61.5 as a constant when you, sustitute all the constants in the nerst equation and simplify the equation
R= 8.314JmolK^-1 , F= 96500 Cmol^-1 ,
And convert ln to log
And substisute temperature as the nomal body temperature in kelvin
It is a simplified version of nerst and goldmans equations, which you. Can apply for above conditions.