This invention relates to an aqueous diphase solvent system for high-purity polysaccharides separation and purification. The present invention also provides methods for purifying polysaccharide in natural products.
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The present invention relates to chemical entities originated from natural sources or obtained from a chemically synthesized compound and further synthesized for therapeutic uses. More particularly, the present invention relates to norcantharidin analogues synthesized by a transition metal-catalyzed.....
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This is a powerful search engine for images. A method for characterizing image contents automatically or semi-automatically using image acquisition parameters and metadata is presented. The method establishes probabilistic and deterministic relationships between different types of metadata and the s.....
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