Conclusion the prokaryotic expression vector of 8r-muc1 core peptide fusion protein has been constructed, and the fusion protein with biological activity has been successfully expressed and purified.

结论：构建了8r - MU C1核心肽融合蛋白原核表达载体并成功表达与纯化出具有生物学活性的融合蛋白。

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The foreign gene into the biological cells must use a certain technology or approach vector, the current methods of gene transfer into biological methods, methods of physical and chemical methods.

将外源的基因导入生物细胞内必须借助一定的技术方法或载体，目前基因转移的方法分为生物学方法、物理方法和化学方法。

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Chitosan is the natural biological polysaccharide which has been proven to be the potentially promising non-viral vector materials.

壳聚糖作为一种天然生物多糖物质，已被证明是具有潜在前景的非病毒载体材料。

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