The mass flux equation in the free molecular regime is:
2.
A governing equation may also take the form of a flux equation such as the diffusion equation or the heat conduction equation.
3.
Electrodiffusion is most accurately defined by the Nernst Planck equation and the GHK flux equation is a solution to the Nernst Planck equation with the assumptions listed below.
4.
The GHK flux equation is mostly used by electrophysiologists when the ratio between [ S ] i and [ S ] o is large and / or when one or both of the concentrations change considerably during an action potential.
5.
The critical difference is that Millman's equation assumes the current-voltage relationship to be ohmic, whereas the GHK voltage equation takes into consideration the small, instantaneous rectifications predicted by the GHK flux equation caused by the concentration gradient of ions.
6.
The "'Goldman Hodgkin Katz flux equation "'( or GHK flux equation or GHK current density equation ) describes the ionic flux across a cell membrane as a function of the transmembrane potential and the concentrations of the ion inside and outside of the cell.
7.
The "'Goldman Hodgkin Katz flux equation "'( or GHK flux equation or GHK current density equation ) describes the ionic flux across a cell membrane as a function of the transmembrane potential and the concentrations of the ion inside and outside of the cell.
8.
Notice the contradiction when "'B "'both equations define "'B "'simultaneously and when "'B "'is not a base quantity; the force equation demands that " q " or " I " be defined elsewhere while at the same time the flux equation demands that " q " or " I " be defined by the force equation, similarly the force equation requires ? " B " to be defined by the flux equation, at the same time the flux equation demands that ? " B " is defined elsewhere.
9.
Notice the contradiction when "'B "'both equations define "'B "'simultaneously and when "'B "'is not a base quantity; the force equation demands that " q " or " I " be defined elsewhere while at the same time the flux equation demands that " q " or " I " be defined by the force equation, similarly the force equation requires ? " B " to be defined by the flux equation, at the same time the flux equation demands that ? " B " is defined elsewhere.
10.
Notice the contradiction when "'B "'both equations define "'B "'simultaneously and when "'B "'is not a base quantity; the force equation demands that " q " or " I " be defined elsewhere while at the same time the flux equation demands that " q " or " I " be defined by the force equation, similarly the force equation requires ? " B " to be defined by the flux equation, at the same time the flux equation demands that ? " B " is defined elsewhere.
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