ion-exchange chromatography


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ion-exchange chromatography

[′ī‚än iks‚chānj ‚krō·mə′täg·rə·fē]
(analytical chemistry)
A chromatographic procedure in which the stationary phase consists of ion-exchange resins which may be acidic or basic.
References in periodicals archive ?
In order to complement SEC results samples were also subjected to ion-exchange chromatography under ideal dissociating conditions, results revealed two specific major peaks in the unbound region corresponding to the two hemocyanin subunits (Figure 5).
Crude enzyme sample showed a number of smeared bands while three bands and one band was obtained after gel filtration and single band after ion-exchange chromatography, respectively (Figure-4).
There have been many studies involving speciation by the coupling of ion-exchange chromatography (IC) to ICP-MS (IC-ICP-MS) (6,7); however, studies reported in the literature have employed two separate columns (anionic and cationic).
3 Preparation and Properties of Various Types of Monolithic Silica Stationary Phases for Reversed-Phase, Hydrophilic Interaction, and Ion-Exchange Chromatography Based on Polymer-Coated Materials
found that while HbS and HbC can statistically affect HbA1c results across the range of testing options, including HPLC ion-exchange chromatography and boronate affinity methods, enzymatic assays, and immunoassays, only ion-exchange HPLC allows the operator to identify the presence of an HbS or C variant.
Lactate dehydrogenase is purified from the heart ventricles of river buffalo by ion-exchange chromatography followed by the removal of some unwanted proteins by selective ammonium sulfate precipitations.
1]) and subjected to ion-exchange chromatography in a DEAE-cellulose column (Sigma Chemical) equilibrated and percolated with 50 mM AcNa buffer until complete removal of non-retained polysaccharides, followed by SP fractioning by elution with the same equilibrium buffer containing NaCl in different concentrations (0.
Multivariate discrimination for phenylketonuria (PKU) and non-PKU hyperphenylalaninemia after analysis of newborns' dried blood-spot specimens for six amino acids by ion-exchange chromatography.
They're using ion-exchange chromatography to purify the proteins from whey.