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Abstract
A scheme based on ion-exchange and reverse-phase high pressure liquid chromatography has been utilized for the semi-preparative and preparative purification of the solid phase generated model peptide bombesin. The final product showed a purity ≥ 99% in analytical reverse-phase high pressure liquid chromatography and was identical to authentic bombesin as demonstrated by different physico-chemical and biological criteria. The results are discussed and compared to those obtained using countercurrent chromatography.