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R-phycoerythrin was purified by means of phenyl-sepharose expanded bed absorption and DEAE-sepharose ion-exchange chromatography from Porphyra yezoensis, one of the largest and important aquaculture species in China. Final R-phycoerythrin preparation was characterized by purity ratio above 4 and the homogeneity in native PAGE, respectively. The results of absorption spectrum, fluorescence spectrum...
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