The technique used for the physical or chemical fixation of cells, organelles, enzymes, or other proteins (e.g. monoclonal antibodies ) onto a solid support, into a solid matrix or retained by a membrane, in order to increase their stability and make possible their repeated or continued
use. The principle is also used for affinity chromatography.
Source:
PAC, 1992, 64, 143
(Glossary for chemists of terms used in biotechnology (IUPAC Recommendations 1992))
on page 157