WebPolyelectrolytes are polymers with ionizable repeating groups, such as polyanions and polycations. These groups can dissociate in polar solvents such as water, leaving charges on polymer chains and releasing counterions into the solution (Bhattarai et al., 2010; Schatz et al., 2004; Wu and Delair, 2015). WebCation exchange chromatography is a form of ion exchange chromatography (IEX), which is used to separate molecules based on their net surface charge. Cation exchange chromatography, more specifically, uses a negatively charged ion exchange resin with an affinity for molecules having net positive surface charges.
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