单词	isoelectric
释义	isoelectric adjective iso·​elec·​tric ˌī-sō-i-ˈlek-trik  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 Example Sentences Recent Examples on the Web When the brain is starved of blood flow (ischemia) and oxygen (anoxia), the patient faints in a fraction of a minute and his or her electroencephalogram, or EEG, becomes isoelectric—in other words, flat. Christof Koch, Scientific American, 19 May 2020 Only a flat line everywhere—a global isoelectric line—implying a complete absence of any sort of consciousness. Christof Koch, Scientific American, 11 Oct. 2019 Word History Etymology International Scientific Vocabulary First Known Use 1877, in the meaning defined at sense 1 Phrases Containing isoelectric isoelectric focusing isoelectric focusing Medical Definition isoelectric adjective iso·​elec·​tric ˌī-sō-i-ˈlek-trik  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 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
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