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A novel L-phenylalanine modified chitosan resin (PCR) was prepared for adsorption of aromatic amino acid from mixed amino acids solution. The structure and properties of PCR were observed by FTIR, 13C NMR, AFM and SEM. PCR was found to swell rather than dissolve in acidic mediums from its solubility and swelling behavior experiments. Batch adsorption experiments were performed to evaluate the adsorption...
Chitosan resin grafted by quercetin (QCR), the adsorbent, was used as for the separation of flavonoids. The optimum conditions were determined by automatic liquid chromatography system. Moreover, the hydrophobic interaction between the flavonoids and QCR could be useful for the effective adsorption and separation.
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