<center> <h1><strong> Goldman-Hodgkin-Katz Equation
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The applet calculates the transmembrane potential using the Goldman-Hodgkin-Katz Equation. One can vary all the ionic consentrations and observe the effects on the membrane potential "yellow line", separating intracelular medium (In) from extracellular medium (Out). The Value of the membrane potential as well as the Nernst potential for the respective ions is plotted in the graph.