Definition of isoelectric
1 : having or representing zero difference of electric potential
2 : being the pH at which the electrolyte will not migrate in an electric field the isoelectric point of a protein
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Origin and Etymology of isoelectric
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isoelectric
playMedical Definition of isoelectric
1: relating to or being a flat line on an electroencephalogram indicating a lack of electrical brain activity : demonstrating an absence of brain waves An isoeletric EEG may be purposely induced by the administration of a barbiturate or propofol to protect the brain during neurosurgery or to stop generalized seizures.—Emery N. Brown et al., The New England Journal of Medicine, 30 Dec. 2010
2: relating to or being the isoelectric point of a molecule or surface The cytokeratin polypeptides range in apparent molecular weights from 40,000 to 68,000 and isoelectric pH values from 5 to 8 …—Brian Anderton, Nature, 17-23 Mar. 1983
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