https://wikimd.org/index.php?action=history&feed=atom&title=Goldman_equation 2026-04-26T22:38:49Z Revision history for this page on the wiki MediaWiki 1.44.2 https://wikimd.org/index.php?title=Goldman_equation&diff=6533446&oldid=prev 2025-03-22T17:13:20Z

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<p>CSV import</p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 18:39, 10 February 2025</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l37">Line 37:</td> <td colspan="2" class="diff-lineno">Line 37:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Cell biology]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Cell biology]]</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>{{stub}}</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>{{stub}}</div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">{{No image}}</ins></div></td></tr> </table>

Prab https://wikimd.org/index.php?title=Goldman_equation&diff=5243689&oldid=prev 2024-02-23T13:41:12Z

<p>CSV import</p> <p><b>New page</b></p><div>&#039;&#039;&#039;Goldman equation&#039;&#039;&#039; is a fundamental concept in [[physiology]] and [[biophysics]], particularly in the study of [[cell membrane]]s. It is named after the American physiologist [[David E. Goldman]] who first proposed the equation in 1943.<br /> <br /> == Overview ==<br /> The Goldman equation calculates the [[membrane potential]] that results from multiple ions. It is an extension of the [[Nernst equation]] which calculates the membrane potential of a single ion. The Goldman equation takes into account the relative permeability of the membrane to different ions, as well as their concentrations on either side of the membrane.<br /> <br /> == Mathematical Formulation ==<br /> The Goldman equation is usually written as follows:<br /> <br /> V = RT/F * ln((P_K[K+]_o + P_Na[Na+]_o + P_Cl[Cl-]_i) / (P_K[K+]_i + P_Na[Na+]_i + P_Cl[Cl-]_o))<br /> <br /> Where:<br /> * V is the membrane potential<br /> * R is the universal gas constant<br /> * T is the absolute temperature<br /> * F is Faraday&#039;s constant<br /> * P_K, P_Na, and P_Cl are the relative permeabilities of potassium, sodium, and chloride ions, respectively<br /> * [K+]_o, [Na+]_o, and [Cl-]_o are the concentrations of potassium, sodium, and chloride ions outside the cell, respectively<br /> * [K+]_i, [Na+]_i, and [Cl-]_i are the concentrations of potassium, sodium, and chloride ions inside the cell, respectively<br /> <br /> == Applications ==<br /> The Goldman equation is used in many areas of physiology and biophysics, including:<br /> * Understanding the resting membrane potential of cells<br /> * Predicting changes in membrane potential due to changes in ion concentrations or permeabilities<br /> * Studying the effects of ion channel mutations on membrane potential<br /> <br /> == See Also ==<br /> * [[Nernst equation]]<br /> * [[Hodgkin-Huxley model]]<br /> * [[Resting potential]]<br /> * [[Action potential]]<br /> <br /> == References ==<br /> &lt;references /&gt;<br /> <br /> [[Category:Physiology]]<br /> [[Category:Biophysics]]<br /> [[Category:Cell biology]]<br /> {{stub}}</div>

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