the pH at which a substance is electrically neutral or at which it is at its minimum ionization.
(biochem) the pH value at which the net electric charge of a molecule, such as a protein or amino acid, is zero
isoelectric point n.
The pH at which the electrolyte concentration of an amphoteric substance such as protein is electrically zero because the concentration of its cation form equals the concentration of its anion form.
[ahy-soh-i-lek-tron-ik, -ee-lek-] /ˌaɪ soʊ ɪ lɛkˈtrɒn ɪk, -ˌi lɛk-/ adjective, Physics, Chemistry. 1. noting or pertaining to atoms and ions having an equal number of electrons. 2. noting or pertaining to atoms, radicals, or ions having either an equal number of electrons or an equal number of valence electrons. /ˌaɪsəʊɪlɛkˈtrɒnɪk/ adjective 1. (of atoms, radicals, […]
isoenergetic i·so·en·er·get·ic (ī’sō-ěn’ər-jět’ĭk) adj. Exerting equal force; equally active.
[ahy-soh-en-zahym] /ˌaɪ soʊˈɛn zaɪm/ noun, Biochemistry. 1. . /ˌaɪsəʊˈɛnzaɪm/ noun 1. another name for isozyme isoenzyme i·so·en·zyme (ī’sō-ěn’zīm’) n. See isozyme. i’so·en·zy’mic (-zī’mĭk, -zĭm’ĭk) adj.
isoerythrolysis i·so·er·y·throl·y·sis (ī’sō-ěr’ə-thrŏl’ĭ-sĭs) n. A condition in which red blood cells are destroyed by isoantibodies.