Search Results - "GZIL, P"

Advantages of Perfectly Ordered 2-D Porous Pillar Arrays over Packed Bed Columns for LC Separations:  A Theoretical Analysis by Gzil, P, Vervoort, N, Baron, G. V, Desmet, G

“…A series of theoretical calculations is presented to quantify the gain in LC separation efficiency that can be expected if the traditionally used packed bed…”
Get full text

Errors involved in the existing B-term expressions for the longitudinal diffusion in fully porous chromatographic media Part I. Computational data in ordered pillar arrays and effective medium theory by DESMET, G, BROECKHOVEN, K, DE SMET, J, DERIDDER, S, BARON, G. V, GZIL, P

“…Numerically solving the effective diffusion in a simplified representation of a chromatographic bed, it was found that the B-term expressions that have up to…”
Get full text

Influence of the Pillar Shape on the Band Broadening and the Separation Impedance of Perfectly Ordered 2-D Porous Chromatographic Media by De Smet, J, Gzil, P, Vervoort, N, Verelst, H, Baron, G. V, Desmet, G

“…We report on a computational study assessing the effect of the pillar shape in perfectly ordered porous chromatographic media. Using computational fluid…”
Get full text

On the 3-dimensional effects in etched chips for high performance liquid chromatography-separations by De Smet, J., Gzil, P., Baron, G.V., Desmet, G.

“…In an attempt to quantify the potential of photolithographically etched micro-pillar arrays as a perfectly ordered alternative for the packed bed of spheres,…”
Get full text

On the optimisation of the bed porosity and the particle shape of ordered chromatographic separation media by De Smet, J., Gzil, P., Vervoort, N., Verelst, H., Baron, G.V., Desmet, G.

“…We report on a theoretical study wherein we considered a large number of ordered two-dimensional porous pillar arrays with different pillar shapes and widely…”
Get full text

Use of the kinetic plot method to analyze commercial high-temperature liquid chromatography systems. II. Practically constrained performance comparison by CLICQ, D, HEINISCH, S, ROCCA, J. L, CABOOTER, D, GZIL, P, DESMET, G

“…Using a set of experimentally determined plate height data obtained on three commercial high-temperature HPLC supports, and evaluating their isocratic…”
Get full text

Computational fluid dynamics simulations yielding guidelines for the ideal internal structure of monolithic liquid chromatography columns by Gzil, P., Baron, G.V., Desmet, G.

“…A theoretical calculation of the separation performance of a (hypothetical) micro-structured monolithic LC column is presented, confirming that the…”
Get full text

Influence of the packing heterogeneity on the performance of liquid chromatography supports by Billen, J., Gzil, P., Vervoort, N., Baron, G.V., Desmet, G.

“…We report on a series of plate height and flow resistance data obtained via computational fluid dynamics simulations in a simplified two-dimensional (2D) mimic…”
Get full text

Computational study of the band broadening in two-dimensional etched packed bed columns for on-chip high-performance liquid chromatography by Gzil, P., De Smet, J., Vervoort, N., Verelst, H., Baron, G.V., Desmet, G.

“…The chromatographic performance of several straightforward two-dimensional etched packed bed column lay-outs (equilaterally staggered arrays of, respectively,…”
Get full text

Errors involved in the existing B-term expressions for the longitudinal diffusion in fully porous chromatographic media by Desmet, G., Broeckhoven, K., De Smet, J., Deridder, S., Baron, G.V., Gzil, P.

“…Numerically solving the effective diffusion in a simplified representation of a chromatographic bed, it was found that the B-term expressions that have up to…”
Get full text

Slow analyte diffusion effects on the A-term band broadening in macromolecular liquid chromatography separations by Billen, J., Gzil, P., De Smet, J., Vervoort, N., Desmet, G.

“…Computational methods have been used to study the effect of the molecular diffusivity of analytes on the band broadening and more particular the A-term band…”
Get full text

Shear-flow-based chromatographic separations as an alternative to pressure-driven liquid chromatography by Desmet, G., Vervoort, N., Clicq, D., Huau, A., Gzil, P., Baron, G.V.

“…It is only by developing specially designed injection and detection systems that shear-driven chromatography can become a viable alternative to HPLC. In the…”
Get full text

Geometry-Independent Plate Height Representation Methods for the Direct Comparison of the Kinetic Performance of LC Supports with a Different Size or Morphology by Desmet, Gert, Clicq, David, Gzil, Piotr

“…The advantages of representing experimental plate height data as a plot of K v/u 0 2 or H 2/K v versus K v/(Hu 0) instead of as H versus u 0 are discussed (K…”
Get full text

Practical Constraints in the Kinetic Plot Representation of Chromatographic Performance Data:  Theory and Application to Experimental Data by Desmet, Gert, Clicq, David, Nguyen, Dao T.-T, Guillarme, Davy, Rudaz, Serge, Veuthey, Jean-Luc, Vervoort, Nico, Torok, Gabriella, Cabooter, Deirdre, Gzil, Piotr

“…It is demonstrated that the kinetic plot representation of experimental plate height data can also account for practical constraints on the column length, the…”
Get full text

A Correlation for the Pressure Drop in Monolithic Silica Columns by Vervoort, Nico, Gzil, Piotr, Baron, Gino V., Desmet, Gert

“…To gain insight into how the pressure drop in monolithic silica columns is determined by the microscopic details of the pore structure, a series of…”
Get full text

General Rules for the Optimal External Porosity of LC Supports by Gzil, Piotr, Vervoort, Nico, Baron, Gino V, Desmet, Gert

“…We present a series of numerically calculated plate height and flow resistance data obtained for an idealized chromatographic support mimic with variable bed…”
Get full text

Importance and Reduction of the Sidewall-Induced Band-Broadening Effect in Pressure-Driven Microfabricated Columns by Vervoort, Nico, Billen, Jeroen, Gzil, Piotr, Baron, Gino V, Desmet, Gert

“…The influence of the detailed design of the sidewall region upon the over-all band-broadening in microfabricated packed-bed or collocated monolithic support…”
Get full text

Model column structure for the analysis of the flow and band-broadening characteristics of silica monoliths by Vervoort, Nico, Gzil, Piotr, Baron, Gino V., Desmet, Gert

“…We report on the use of commercial computational fluid dynamics software to study the band broadening in a perfectly ordered three-dimensional model structure,…”
Get full text

Use of the kinetic plot method to analyze commercial high-temperature liquid chromatography systems by Clicq, D., Heinisch, S., Rocca, J.L., Cabooter, D., Gzil, P., Desmet, G.

“…Using a set of experimentally determined plate height data obtained on three commercial high-temperature HPLC supports, and evaluating their isocratic…”
Get full text

A first principles explanation for the experimentally observed increase in A-term band broadening in small domain silica monoliths and other chromatographic supports by Billen, Jeroen, Gzil, Piotr, Baron, Gino V., Desmet, Gert

“…The present computational study illustrates how the existence of a residual lower limit on the variance of the skeleton and through-pore size of monolithic…”
Get full text