ScienceSeptember 2, 2026

isoelectric

eye-so-ih-LEK-trik

Definition

Refers to the specific pH value at which a protein or molecule carries no net electrical charge.

Etymology

Derived from the Greek 'isos' meaning 'equal' and the word 'electric', reflecting a state where positive and negative charges are balanced.

In the news

The researchers evaluated whether the isoelectric point of proteins could explain their tendency to stick to surfaces, finding it was not as predictive as the presence of arginine.

Proteins Accumulate on Resistant Surfaces: Why?

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Mirage News

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