Gel filtration (GF), also referred as Size Exclusion Chromatography (SEC), plays a key role in the high quality purification of enzymes, polysaccharides, nucleic acids, proteins and other biological macromolecules. Gel filtration is the simplest and mildest of all chromatography techniques to separate biomolecules on the basis of difference in size. Nevertheless, the list of available columns is quite awesome and the characteristics of each of them are very different. Also, each characteristic highly influences the quality of the final purified product with important consequences in downstream applications.
I’ve put together a simple guide to help you find your GF system, together with some tips and tricks based on my experience when producing recombinant proteins and antibodies for our clients involved in the early R&D stages through to the latest phases of the bio-production flow.
Download your copy of the guide “Gel Filtration – which column should you choose for your size exclusion purification?“
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