09 December 2022 0 5K Report

I want to apply PEG/Dextran system to separate specific-sized molecules from a bio-complex system containing various biomolecular components. I would like to know how Dextran concentration and ratio in the mixture help separate molecules with 100-300 nm size from other smaller molecules. Which PEG molecular weight and ratio would be ideal for separating smaller molecules of the mixture?

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