Method of chromatography in which molecules that are negatively charged are selectively released from stationary phase into the positively charged molecules in mobile phase is termed as
In ion exchange chromatography, charged protein replaces the respective ion on exchange resin. For example, in DEAE cellulose chromatography (anion exchange), negatively charge proteins bound to DEAE resin (stationary phase) and release Cl- from it.
Affinity chromatography
Ion-Exchange chromatography
Adsorption chromatography
Size-Exclusion chromatography