<biochemistry, chemistry> Macromolecule with many positively charged groups. at physiological pH the most commonly used in cell biology is poly L lysine, this is often used to coat surfaces thereby increasing the adhesion of cells (which have net negative surface charge).

See: cationised ferritin.

This entry appears with permission from the Dictionary of Cell and Molecular Biology

(11 Mar 2008)

polycarpellary, polycarpous, Polycarp Schacher < Prev | Next > polycentric, polychaeta, polycheiria

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