isoionic point

isoionic point
iso·ion·ic point .ī-sō-ī-'än-ik- n the hydrogen-ion concentration expressed usu. as the pH value at which the ionization of an amphoteric substance as an acid equals the ionization as a base and becomes identical with the isoelectric point in the absence of foreign inorganic ions

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the pH of a solution at which a specific ion (usually a protein) contains as many negative charges as positive charges.

Medical dictionary. 2011.

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  • isoionic point —  Isoionic Point  Изоионная точка   Значение рН раствора или иные условия, при которых поверхность материала имеет суммарный нулевой заряд …   Толковый англо-русский словарь по нанотехнологии. - М.

  • Isoionic point — The Isoionic point is the pH value at which a zwitterion molecule has an equal number of positive and negative charges and no adherent ionic species. It was first defined by S.P.L. Sørensen, Kaj Ulrik Linderstrøm Lang and Ellen Lund in 1926… …   Wikipedia

  • isoionic point — izojoninis taškas statusas T sritis chemija apibrėžtis Tirpalo pH vertė, kuriai esant poliamfolitas sugeria vienodą katijonų ir anijonų kiekį. atitikmenys: angl. isoionic point rus. изоионная точка …   Chemijos terminų aiškinamasis žodynas

  • isoionic point — | ̷ ̷ ̷ ̷+... noun Etymology: isoionic International Scientific Vocabulary is + ionic : the hydrogen ion concentration expressed usually as the pH value at which the ionization of an amphoteric substance as an acid equals the ionization as a base …   Useful english dictionary

  • isoionic point — /uy soh uy on ik, uy soh /, Chem. the hydrogen ion concentration at which the concentration of the dipolar ion is at a maximum. [1930 35; ISO + IONIC] * * * …   Universalium

  • point — 1. SYN: punctum. 2. A sharp end or apex. 3. A slight projection. 4. A stage or condition reached, as the boiling p. 5. To become ready to open, said of an abscess or boil the wall of which is becoming thin and about to rupture. 6. In mathematics …   Medical dictionary

  • изоионная точка —  Isoionic Point  Изоионная точка   Значение рН раствора или иные условия, при которых поверхность материала имеет суммарный нулевой заряд …   Толковый англо-русский словарь по нанотехнологии. - М.

  • Kaj Ulrik Linderstrøm-Lang — (November 29, 1896 May 25, 1959) was a Danish protein scientist, who was the director of the Carlsberg Laboratory from 1939 until his death.His most notable scientific contributions were the development of sundry physical techniques to study… …   Wikipedia

  • Cholinesterase enzyme — protein Name = acetylcholinesterase (Yt blood group) caption = Diagram of Pacific electric ray acetylcholinesterase. From PDB|1EA5. width = 200 HGNCid = 108 Symbol = ACHE AltSymbols = YT EntrezGene = 43 OMIM = 100740 RefSeq = NM 015831 UniProt =… …   Wikipedia

  • Cholinesterase — Cholinestérase L acétylcholinestérase est la principale enzyme du genre cholinestérase. En biochimie une cholinestérase est une enzyme qui catalyse la réaction d hydrolyse d un ester de la choline (acétylcholine, butyrylcholine) en c …   Wikipédia en Français

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