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Ionic liquid (IL) is a new eco-friendly solvent to accelerate dissolution of natural polymer and several common water-soluble imidazole ionic liquids (ILs) have been selected to dissolve poultry feather and extract keratin. [Bmim]Cl has shown the best solubility, thus it has been studied to extract the keratin. Because Na 2 SO 3 can unfold disulfide bond of polypeptide chains in different...
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