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J Chromatogr B Biomed Sci Appl. 2001 Mar 10;752(2):191-205.

Monoliths as stationary phases for separation of proteins and polynucleotides and enzymatic conversion.

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  • 1Octapharma Pharmazeutika Produktions Ges.m.b.H., Vienna, Austria.


Monoliths are considered as a novel generation of stationary phases. They were applied for capillary electrochromatography and liquid chromatography exploiting every action principle such as ion-exchange, affinity recognition, reversed-phase, and hydrophobic interaction. The fast separation was explained by convective transport of the solutes through the bed. The contribution of this mode of transport is similarly explained as done for the beds packed with particles with gigapores. For monolithic beds, the concept of an ultrashort bed was frequently used. This mode of operation allows very short separation time. In many cases a gradient elution is necessary to achieve separation. Examples of applications for protein and polynucleotide separation performed on monoliths are given. Enzymatic conversion was described showing the examples of several immobilzed enzymes.

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