Column-Only Band Broadening in a Porous Shell Radially Elongated Pillar Array Column
Bert Vankeerberghen,
Jeff Op de Beeck,
Gert Desmet
Abstract:In the quest for better performing separation media for liquid chromatography, micropillar array columns have received great interest over the past years. While previous research was mainly focused around micropillar array columns (μPACs) filled with cylindrical pillars, this contribution discusses μPACs with rectangular pillars, which, for the first time, have been anodized and hence carry a mesoporous shell. We report on a series of on-chip measurements of the band broadening and flow permeability in a μPAC … Show more
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