Improving liquid chromatography efficiency: channels structured with micro-pillars


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Pra de, Mauro and Kok, Wim Th. and Gardeniers, J.G.E. and Desmet, Gert and Schoenmakers, Peter J. (2005) Improving liquid chromatography efficiency: channels structured with micro-pillars. In: MicroTAS 2005 Conference, October 9-13, 2005, Boston, MA, USA.

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Abstract:Band dispersion has been measured in micromachined separation channels structured with orderly disposed cylindrical micropillars. It was found that with an optimal channel design the band broadening could be lower by a factor of 3 than in packed columns with a comparable particle size. The positioning of the row of pillars closest to the side wall was a decisive factor in influencing band broadening.
Item Type:Conference or Workshop Item
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Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/76612
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Metis ID: 224698