ISPE Glossary of Pharmaceutical and Biotechnology Terminology

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Adsorption

Adherence of molecules in solution or suspension to cells or other molecules – or to solid surfaces, such as chromatography media.

Adsorption

Adhesion of the molecules of a gas, liquid or dissolved substance to a surface because of chemical or electrical attraction - typically accomplished with granular activated carbon to remove dissolved organics and chlorine. The attachment of charged particles to the chemically active groups on the surface and in the pores of an ion exchanger.

See also: Desorption

Adsorption

Nonspecific adherence of molecules in solution or suspension to cells, particles, or other molecules.

See also: Desorption

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