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Monolithic Chromatographic Columns – The Media of Choice for Purification and Concentration of Viruses

Viruses have proven to be useful vectors for gene therapy purposes. As therapeutics for human use they must be pure and contaminant free. Traditionally, viruses are purified by complicated and time consuming methods such as CsCl density gradient centrifugation or similar. In recent years liquid chromatography has became interesting method for virus purification. It provides high level of purity required for human use and increases productivity. Traditional chromatographic supports were mostly designed for purification of proteins and as such are commonly inappropriate for viruses. Alternative to traditional chromatographic support are methacrylate monoliths (CIM monoliths), characterized by large channel diameter, high surface accessibility and convective mass transport.

The aim of this work was to characterize CIM supports for separation and possible purification of a model virus Tomato mosaic virus (ToMV) from crude plant material.