Quantitative Concept
isoelectric point
[ ahy-soh-i-lek-trik point ]
Subclass of:
Hydrogen-Ion Concentration; Isoelectric Focusing
Definitions related to isoelectric point:
  • Condition in which a substance has a neutral charge; pH level above which the substance would act as a base and below which it would act as an acid.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • The pH at which a molecule in solution has no net charge and does not migrate in an electric field.
    NCI
    U.S. National Cancer Institute, 2021
  • The pH in solutions of proteins and related compounds at which the dipolar ions are at a maximum.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.