结论硫酸昆布多糖对肿瘤生长、转移、血管生成有明显抑制作用。

Conclusions LS can significantly inhibit growth, metastasis and angiogenesis of pancreatic cancer.

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目的昆布多糖进行硫酸酯化后，对产物结构进行分析，为研究其生物活性奠定物质基础。

Objectives to sulfate the laminarin, then analyze the structure of polysaccharide sulfate, so as to make a foundation for the further research about its biological activity.

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目的：对昆布多糖进行硫酸酯化，并对产物的纯度与结构进行分析，为研究其生物活性奠定物质基础。

Objectives: to sulfate the laminarin, then analyze the purity and elucidate the structure of polysaccharide sulfate, so as to make a foundation for the further research about its biological activity.

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