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文献和实验Use of Charged PEG and Dextran Derivatives for Biomolecule Partitioning
(PEG)-dextran systems, PEG has been used as the carrier of ion charge (1 ). This molecule has two functional groups-the two terminal hydroxyl groups-that can be used for introducing the charged elements. number of ways to synthesize such derivatives
Affinity Partitioning of Proteins
the concentration of polymers, usually dextran and polyethylene glycol (PEG), and by including various salts and adjusting the pH value of the system (1 ,3 ). A more effective way to adjust the partitioning and also to strongly increase the selectivity
Metal Affinity Protein Partitioning
. In general, the affinity ligand is attached covalently to one of the phase forming polymers, which ensures its primary distribution to one phase of the system. In affinity partitioning, ligands attached to poly(ethylene glycol) (PEG) have been widely
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