isoelectric point

Noun

Meaning

isoelectric point (plural isoelectric points)

(physics, chemistry) the pH of a colloidal suspension or of an ampholyte at which the solute does not move in an electrophoretic field; symbol pI

Source: en.wiktionary.org

Examples

Glycine may exist as a zwitterion at the isoelectric point, but the equilibrium constant for the isomerization reaction in solution :H 2 NCH 2 CO 2 H ⇌ H 3 N + CH 2 CO 2 − is not known. Source: Internet

Examples In these two examples the isoelectric point is shown by the green vertical line. Source: Internet

In the case that there is one species of each type, the isoelectric point can be obtained directly from the pK values. Source: Internet

Zwitterions have minimum solubility at their isoelectric point and some amino acids (in particular, with non-polar side-chains) can be isolated by precipitation from water by adjusting the pH to the required isoelectric point. Source: Internet

Close letter words and terms

isoelectric focusing isoelectric line isoelectric period isoelectrical isoelectrically isoelectricity