Determination of the lipophilicity of some peptides. Effect of surface pH of silica.

Abstract

The lipophilicities of 22 peptides were determined by reversed-phase thin-layer chromatography using methanol as organic modifier in the concentration range 0-90 vol.-% on silica supports with surface pH values of 2.0,4.5,6.0,7.5 and 9.0. Only one of the 22 peptides (Trp-Ala-Ile) followed the general rule, i.e., its RM value decreased linearly with… (More)

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