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The boltzman equation describes thermodynamic systems not in equilibrium. It is a kinetic equation that describes changes in macroscopic quantities such as energy or charge. The field of electrophysiology studies properties of excitable cellular membranes as these electric properties are essencial for signal transport within the organisms. Among other things, electrophysiologists measure how electric currents flowing through ionic channels sitting in cellular membranes change in response to changes in voltage or different ion concentraions accross the membrane. These measurements can describe properties of the channels such as ionic conductance, selectivity, sensitivity to toxins/drugs, channel opening/closing kinetics, etc. The Boltzman equation helps fitting curves that describe these voltage-current relationships.

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Q: Use of boltzmann equation in electrophysiology?
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