首页> 外文期刊>Journal of chromatography, A: Including electrophoresis and other separation methods >From batch to continuous chromatographic purification of a therapeutic peptide through multicolumn countercurrent solvent gradient purification
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From batch to continuous chromatographic purification of a therapeutic peptide through multicolumn countercurrent solvent gradient purification

机译:通过批量来通过多穴逆流溶剂梯度纯化来连续色谱纯化治疗肽

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摘要

A twin-column Multicolumn Countercurrent Solvent Gradient Purification (MCSGP) process has been developed for the purification of a therapeutic peptide, glucagon, from a crude synthetic mixture. This semicontinuous process uses two identical columns operating either in interconnected or in batch mode, thus enabling the internal recycle of the portions of the eluting stream which do not comply with purity specifications. Because of this feature, which actually results in the simulated countercurrent movement of the stationary phase with respect to the mobile one, the yield-purity trade-off typical of traditional batch preparative chromatography can be alleviated. Moreover, the purification process can be completely automatized.
机译:已经开发了双柱多柱逆流溶剂梯度纯化(MCSGP)工艺用于从粗合成混合物中纯化治疗肽胰高血糖素。 该半连续过程使用两种相互作用的柱,其在互连或批量模式下操作,从而使洗脱流的部分的内部再循环,其不符合纯度规格。 由于该特征,其实际上导致静止相对于移动相位的模拟逆流运动,可以缓解传统分批制备色谱的典型的产量纯度折衷。 此外,净化过程可以完全自动化。

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