| 1 | Enzyme-like Activities of Algal Polysaccharide-Cerium Complexes显示文摘Water-soluble algal polysaccharides (APS) (alginic acid, fucoidan and laminaran) possess many pharmacological activities. The results of this study showed that the APS- Ce4+ complexes have some enzyme-like activities. Fucoidan and its complex with Ce4+ have activities similar to those of SOD. The activities of laminaran, alginic acid and their complexes are not measurable. The APS do not show measurable activities in the digestion of plasmid DNA. In contrast, the APS- Ce4+ complexes show these measurable activities under the comparable condition when APS bind Ce4+ and form homogenous solu-tions. The laminaran- Ce4+ complex shows the most obvious activity in the digestion of plasmid DNA, pNPP and chloropy-rifos under neutral conditions. | WANGDongfeng SUNJipeng DUDehong YEShen WANGChanghong ZHOUXiaoling XUEChanghu | 2005 | Journal of Ocean University of China2005，4，1： | 2 |
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