An In-Depth Investigation of Micropillar Array Columns for the Separation of Finite-Sized Particles by Hydrodynamic Chromatography
Claudia Venditti,
Ali Moussa,
Gert Desmet
et al.
Abstract:The exact moment approach (EMA) is adopted to predict,
without
any fitting parameters, the plate height curves for polystyrene microparticles
of different sizes in micropillar array columns performed by hydrodynamic
chromatography. The EMA allows us to decouple the contribution of
horizontal and vertical dispersion terms and thus investigate the
influence of pillar height and interpillar distance on separation
performance. In the convection-controlled regime, we found that axial
dispersion is mainly controlled… Show more
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