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Chromatography surface exclusion

Inaccessible Pore Volume and Surface Exclusion Chromatography... [Pg.56]

Thus, a chromatographic effect, which is quite similar to surface exclusion chromatography under non adsorbing conditions is clearly displayed. This adsorbed layer exclusion chromatography is expected to occur only if there is a net repulsion between free and adsorbed molecules as discussed above. [Pg.64]

LECOURTIER, J. and CHAUVETEAU, G. "Xanthan Fractionation by Surface Exclusion Chromatography", Macromolecules, 1984, 17, 1340,... [Pg.68]

Surface exclusion chromatography (hydrodynamic exclusion chromatography) has been developed for rigid particle size determinations. This technique has been shown to be effieient for size separation of proteins and latexes. It uses a non-porous packing as a stationary phase. [Pg.1807]

Protein-Pak packings are designed for the size exclusion chromatography of proteins and related compounds. They are based on silica, which is deactivated with glycidylpropylsilane. The diol function prevents the interaction of the target analytes with the silica surface. However, because coverage of the silica surface is always incomplete, residual acidic silanols can interact with the analytes. For this reason, most applications are carried out with a salt concentration above 0.2 mol/liter, which eliminates the interaction of analytes with surface silanols. Protein-Pak packings are stable from pH 2 to pH 8. [Pg.328]

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See also in sourсe #XX -- [ Pg.56 ]



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