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Ulrich Tallarek

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Microfluidics

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Microfluidic Analytical Techniques

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TOP 3
Stefan Bruns; Bernd M Smarsly; Daniela Stoeckel; Ulrich Tallarek
Influence of particle properties on the wall region in packed capillaries.
Tibor Müllner; Herbert Reingruber; Frantisek Svec; Alexandra Höltzel; Yongqin Lv; Claudia Mayrhofer; Armin Zankel; Ulrich Tallarek
Reconstruction and characterization of a polymer-based monolithic stationary phase using serial block-face scanning electron microscopy.
Siarhei Khirevich; Andreas Seidel-Morgenstern; Alexandra Höltzel; Ulrich Tallarek
Geometrical and topological measures for hydrodynamic dispersion in confined sphere packings at low column-to-particle diameter ratios.

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All Publications

2012: Stefan Bruns; Bernd M Smarsly; Daniela Stoeckel; Ulrich Tallarek
Influence of particle properties on the wall region in packed capillaries.
Journal of chromatography. A 2012;1268():53-63.
2012: Tibor Müllner; Herbert Reingruber; Frantisek Svec; Alexandra Höltzel; Yongqin Lv; Claudia Mayrhofer; Armin Zankel; Ulrich Tallarek
Reconstruction and characterization of a polymer-based monolithic stationary phase using serial block-face scanning electron microscopy.
Langmuir : the ACS journal of surfaces and colloids 2012;28(49):16733-7.
2012: Siarhei Khirevich; Andreas Seidel-Morgenstern; Alexandra Höltzel; Ulrich Tallarek
Geometrical and topological measures for hydrodynamic dispersion in confined sphere packings at low column-to-particle diameter ratios.
Journal of chromatography. A 2012;1262():77-91.
2012: Anton Daneyko; Dzmitry Hlushkou; Siarhei Khirevich; Ulrich Tallarek
From random sphere packings to regular pillar arrays: analysis of transverse dispersion.
Journal of chromatography. A 2012;1257():98-115.
2012: Eoin Sheridan; Ulrich Tallarek; Dzmitry Hlushkou; Kyle N Knust; Richard M Crooks
Enrichment of cations via bipolar electrode focusing.
Analytical chemistry 2012;84(17):7393-9.
2012: Sergey M Melnikov; Andreas Seidel-Morgenstern; Alexandra Höltzel; Ulrich Tallarek
A molecular dynamics study on the partitioning mechanism in hydrophilic interaction chromatography.
Angewandte Chemie (International ed. in English) 2012;51(25):6251-4.
2012: Stefan Bruns; James P Grinias; James W Jorgenson; Laura E Blue; Ulrich Tallarek
Morphology and separation efficiency of low-aspect-ratio capillary ultrahigh pressure liquid chromatography columns.
Analytical chemistry 2012;84(10):4496-503.
2012: Dzmitry Hlushkou; Stephen C Jacobson; John M Perry; Ulrich Tallarek
Propagating concentration polarization and ionic current rectification in a nanochannel-nanofunnel device.
Analytical chemistry 2012;84(1):267-74.
2011: Stephanie Jung; Uwe Effelsberg; Ulrich Tallarek
Microchip electrospray: improvements in spray and signal stability during gradient elution by an inverted postcolumn makeup flow.
Analytical chemistry 2011;83(23):9167-73.
2011: Anton Daneyko; Alexandra Höltzel; Siarhei Khirevich; Andreas Seidel-Morgenstern; Ulrich Tallarek
From random sphere packings to regular pillar arrays: effect of the macroscopic confinement on hydrodynamic dispersion.
Journal of chromatography. A 2011;1218(45):8231-48.
2011: Siarhei Khirevich; Andreas Seidel-Morgenstern; Anton Daneyko; Alexandra Höltzel; Ulrich Tallarek
Structure-transport correlation for the diffusive tortuosity of bulk, monodisperse, random sphere packings.
Journal of chromatography. A 2011;1218(37):6489-97.
2011: Eoin Sheridan; Ulrich Tallarek; Robbyn K Anand; Dzmitry Hlushkou; Derek R Laws; Richard M Crooks
Label-free electrochemical monitoring of concentration enrichment during bipolar electrode focusing.
Analytical chemistry 2011;83(17):6746-53.
2011: Siarhei Khirevich; Alexandra Höltzel; Ulrich Tallarek
Transient and asymptotic dispersion in confined sphere packings with cylindrical and non-cylindrical conduit geometries.
Philosophical transactions. Series A, Mathematical, physical, and engineering sciences 2011;369(1945):2485-93.
2011: Anton Daneyko; Alexandra Höltzel; Siarhei Khirevich; Ulrich Tallarek
Influence of the particle size distribution on hydraulic permeability and eddy dispersion in bulk packings.
Analytical chemistry 2011;83(10):3903-10.
2011: Stefan Bruns; Ulrich Tallarek
Physical reconstruction of packed beds and their morphological analysis: core-shell packings as an example.
Journal of chromatography. A 2011;1218(14):1849-60.
2011: Stephanie Jung; Daniela Stoeckel; Ulrich Tallarek
Fast, accurate, and convenient analysis of bed densities for columns packed with fine reversed-phase particles.
Journal of separation science 2011;34(7):800-5.
2011: Sergey M Melnikov; Alexandra Höltzel; Andreas Seidel-Morgenstern; Ulrich Tallarek
Composition, structure, and mobility of water-acetonitrile mixtures in a silica nanopore studied by molecular dynamics simulations.
Analytical chemistry 2011;83(7):2569-75.
2011: Stephanie Jung; Uwe Effelsberg; Ulrich Tallarek
Microchip electrospray: cone-jet stability analysis for water-acetonitrile and water-methanol mobile phases.
Journal of chromatography. A 2011;1218(12):1611-9.
2011: Robbyn K Anand; Eoin Sheridan; Dzmitry Hlushkou; Ulrich Tallarek; Richard M Crooks
Bipolar electrode focusing: tuning the electric field gradient.
Lab on a chip 2011;11(3):518-27.
2010: Maria Trusch; Steffen Ehlert; Andreas Bertsch; Oliver Kohlbacher; Diana Hildebrand; Hartmut Schlüter; Ulrich Tallarek
Improved particle-packed HPLC/MS microchips for proteomic analysis.
Journal of separation science 2010;33(21):3283-91.
2010: Dzmitry Hlushkou; Stefan Bruns; Alexandra Höltzel; Ulrich Tallarek
From pore scale to column scale dispersion in capillary silica monoliths.
Analytical chemistry 2010;82(17):7150-9.
2010: Stefan Bruns; Tibor Müllner; Martin Kollmann; Joachim Schachtner; Alexandra Höltzel; Ulrich Tallarek
Confocal laser scanning microscopy method for quantitative characterization of silica monolith morphology.
Analytical chemistry 2010;82(15):6569-75.
2010: Siarhei Khirevich; Anton Daneyko; Alexandra Höltzel; Andreas Seidel-Morgenstern; Ulrich Tallarek
Statistical analysis of packed beds, the origin of short-range disorder, and its impact on eddy dispersion.
Journal of chromatography. A 2010;1217(28):4713-22.
2010: Dzmitry Hlushkou; Stefan Bruns; Ulrich Tallarek
High-performance computing of flow and transport in physically reconstructed silica monoliths.
Journal of chromatography. A 2010;1217(23):3674-82.
2010: Steffen Ehlert; Lukas Trojer; Martin Vollmer; Tom van de Goor; Ulrich Tallarek
Performance of HPLC/MS microchips in isocratic and gradient elution modes.
Journal of mass spectrometry : JMS 2010;45(3):313-20.
2010: Ivo Nischang; Alexandra Höltzel; Ulrich Tallarek
Electrochromatographic retention of peptides on strong cation-exchange stationary phases.
Electrophoresis 2010;31(5):933-43.
2010: Stephanie Jung; Steffen Ehlert; Martin Pattky; Ulrich Tallarek
Determination of the interparticle void volume in packed beds via intraparticle Donnan exclusion.
Journal of chromatography. A 2010;1217(5):696-704.
2009: Robbyn K Perdue; Derek R Laws; Dzmitry Hlushkou; Ulrich Tallarek; Richard M Crooks
Bipolar electrode focusing: the effect of current and electric field on concentration enrichment.
Analytical chemistry 2009;81(24):10149-55.
2009: Stephanie Jung; Alexandra Höltzel; Steffen Ehlert; Jose-Angel Mora; Karsten Kraiczek; Monika Dittmann; Gerard P Rozing; Ulrich Tallarek
Impact of conduit geometry on the performance of typical particulate microchip packings.
Analytical chemistry 2009;81(24):10193-200.
2009: Derek R Laws; Dzmitry Hlushkou; Robbyn K Perdue; Ulrich Tallarek; Richard M Crooks
Bipolar electrode focusing: simultaneous concentration enrichment and separation in a microfluidic channel containing a bipolar electrode.
Analytical chemistry 2009;81(21):8923-9.
2009: Klaus-Georg Reinsberg; Uwe Effelsberg; Ulrich Tallarek
Microchip electrospray performance during gradient elution with bulk conductivity changes.
Lab on a chip 2009;9(20):2914-23.
2009: Ivo Nischang; Ulrich Tallarek
Inherent peak compression of charged analytes in electrochromatography.
Journal of separation science 2009;32(18):3157-68.
2009: Siarhei Khirevich; Alexandra Höltzel; Andreas Seidel-Morgenstern; Ulrich Tallarek
Time and length scales of eddy dispersion in chromatographic beds.
Analytical chemistry 2009;81(16):7057-66.
2009: Dzmitry Hlushkou; Robbyn K Perdue; Rahul Dhopeshwarkar; Richard M Crooks; Ulrich Tallarek
Electric field gradient focusing in microchannels with embedded bipolar electrode.
Lab on a chip 2009;9(13):1903-13.
2009: Siarhei Khirevich; Alexandra Höltzel; Steffen Ehlert; Andreas Seidel-Morgenstern; Ulrich Tallarek
Large-scale simulation of flow and transport in reconstructed HPLC-microchip packings.
Analytical chemistry 2009;81(12):4937-45.
2009: Stephanie Jung; Steffen Ehlert; Jose-Angel Mora; Karsten Kraiczek; Monika Dittmann; Gerard P Rozing; Ulrich Tallarek
Packing density, permeability, and separation efficiency of packed microchips at different particle-aspect ratios.
Journal of chromatography. A 2009;1216(2):264-73.
2008: Siarhei Khirevich; Alexandra Höltzel; Dzmitry Hlushkou; Andreas Seidel-Morgenstern; Ulrich Tallarek
Structure-transport analysis for particulate packings in trapezoidal microchip separation channels.
Lab on a chip 2008;8(11):1801-8.
2008: Rahul Dhopeshwarkar; Dzmitry Hlushkou; Mark Nguyen; Ulrich Tallarek; Richard M Crooks
Electrokinetics in microfluidic channels containing a floating electrode.
Journal of the American Chemical Society 2008;130(32):10480-1.
2008: Steffen Ehlert; Karsten Kraiczek; Jose-Angel Mora; Monika Dittmann; Gerard P Rozing; Ulrich Tallarek
Separation efficiency of particle-packed HPLC microchips.
Analytical chemistry 2008;80(15):5945-50.
2008: Dzmitry Hlushkou; Rahul Dhopeshwarkar; Richard M Crooks; Ulrich Tallarek
The influence of membrane ion-permselectivity on electrokinetic concentration enrichment in membrane-based preconcentration units.
Lab on a chip 2008;8(7):1153-62.
2008: Steffen Ehlert; Thomas Rösler; Ulrich Tallarek
Packing density of slurry-packed capillaries at low aspect ratios.
Journal of separation science 2008;31(10):1719-28.
2008: Ivo Nischang; Alexandra Höltzel; Andreas Seidel-Morgenstern; Ulrich Tallarek
Concentration polarization and nonequilibrium electroosmotic slip in hierarchical monolithic structures.
Electrophoresis 2008;29(5):1140-51.
2008: Rahul Dhopeshwarkar; Richard M Crooks; Dzmitry Hlushkou; Ulrich Tallarek
Transient effects on microchannel electrokinetic filtering with an ion-permselective membrane.
Analytical chemistry 2008;80(4):1039-48.
2007: Siarhei Khirevich; Alexandra Höltzel; Dzmitry Hlushkou; Ulrich Tallarek
Impact of conduit geometry and bed porosity on flow and dispersion in noncylindrical sphere packings.
Analytical chemistry 2007;79(24):9340-9.
2007: Ivo Nischang; Udo Reichl; Andreas Seidel-Morgenstern; Ulrich Tallarek
Concentration polarization and nonequilibrium electroosmotic slip in dense multiparticle systems.
Langmuir : the ACS journal of surfaces and colloids 2007;23(18):9271-81.
2007: Alexandra Höltzel; Ulrich Tallarek
Ionic conductance of nanopores in microscale analysis systems: where microfluidics meets nanofluidics.
Journal of separation science 2007;30(10):1398-419.
2007: Steffen Ehlert; Ulrich Tallarek
High-pressure liquid chromatography in lab-on-a-chip devices.
Analytical and bioanalytical chemistry 2007;388(3):517-20.
2007: Ivo Nischang; Ulrich Tallarek
Fluid dynamics in capillary and chip electrochromatography.
Electrophoresis 2007;28(4):611-26.
2007: Dzmitry Hlushkou; Siarhei Khirevich; Vladimir Apanasovich; Andreas Seidel-Morgenstern; Ulrich Tallarek
Pore-scale dispersion in electrokinetic flow through a random sphere packing.
Analytical chemistry 2007;79(1):113-21.
2006: Dzmitry Hlushkou; Ulrich Tallarek
Transition from creeping via viscous-inertial to turbulent flow in fixed beds.
Journal of chromatography. A 2006;1126(1-2):70-85.
2006: Ivo Nischang; Katja Spannmann; Ulrich Tallarek
Key to analyte migration and retention in electrochromatography.
Analytical chemistry 2006;78(11):3601-8.
2006: Ivo Nischang; Guofang Chen; Ulrich Tallarek
Electrohydrodynamics in hierarchically structured monolithic and particulate fixed beds.
Journal of chromatography. A 2006;1109(1):32-50.
2005: Felix C Leinweber; Ulrich Tallarek
Concentration polarization-based nonlinear electrokinetics in porous media: induced-charge electroosmosis.
The journal of physical chemistry. B 2005;109(46):21481-5.
2005: Felix C Leinweber; Matthias Pfafferodt; Andreas Seidel-Morgenstern; Ulrich Tallarek
Electrokinetic effects on the transport of charged analytes in biporous media with discrete ion-permselective regions.
Analytical chemistry 2005;77(18):5839-50.
2005: Dzmitry Hlushkou; Andreas Seidel-Morgenstern; Ulrich Tallarek
Numerical analysis of electroosmotic flow in dense regular and random arrays of impermeable, nonconducting spheres.
Langmuir : the ACS journal of surfaces and colloids 2005;21(13):6097-112.
2005: Ulrich Tallarek; Felix C Leinweber; Ivo Nischang
Perspective on concentration polarization effects in electrochromatographic separations.
Electrophoresis 2005;26(2):391-404.
2004: Felix C Leinweber; Ulrich Tallarek
Nonequilibrium electrokinetic effects in beds of ion-permselective particles.
Langmuir : the ACS journal of surfaces and colloids 2004;20(26):11637-48.
2004: Ivo Nischang; Ulrich Tallarek
Nonlinear electroosmosis in hierarchical monolithic structures.
Electrophoresis 2004;25(17):2935-45.
2004: Guofang Chen; Ulrich Tallarek; Andreas Seidel-Morgenstern; Yukui Zhang
Influence of moderate Joule heating on electroosmotic flow velocity, retention, and efficiency in capillary electrochromatography.
Journal of chromatography. A 2004;1044(1-2):287-94.
2004: Felix C Leinweber; Dietmar G Schmid; Dieter Lubda; Bernd Sontheimer; Günther Jung; Ulrich Tallarek
Sheathless electrospray ionization directly from a capillary monolith for fast liquid chromatography coupled to Fourier transform ion cyclotron resonance mass spectrometry.
Journal of mass spectrometry : JMS 2004;39(2):223-5.
2003: Ulrich Tallarek; Martin Paces; Erdmann Rapp
Perfusive flow and intraparticle distribution of a neutral analyte in capillary electrochromatography.
Electrophoresis 2003;24(24):4241-53.
2003: Felix C Leinweber; Ulrich Tallarek
Chromatographic performance of monolithic and particulate stationary phases. Hydrodynamics and adsorption capacity.
Journal of chromatography. A 2003;1006(1-2):207-28.
2003: Felix C Leinweber; Dietmar G Schmid; Dieter Lubda; Karl-Heinz Wiesmüller; Günther Jung; Ulrich Tallarek
Silica-based monoliths for rapid peptide screening by capillary liquid chromatography hyphenated with electrospray ionization Fourier transform ion cyclotron resonance mass spectrometry.
Rapid communications in mass spectrometry : RCM 2003;17(11):1180-8.
2003: Martin Paces; Juraj Kosek; Milos Marek; Ulrich Tallarek; Andreas Seidel-Morgenstern
Mathematical modelling of adsorption and transport processes in capillary electrochromatography: open-tubular geometry.
Electrophoresis 2003;24(3):380-9.
2002: D Kandhai; Dzmitry Hlushkou; Alfons G Hoekstra; P M A Sloot; Henk Van As; Ulrich Tallarek
Influence of stagnant zones on transient and asymptotic dispersion in macroscopically homogeneous porous media.
Physical review letters 2002;88(23):234501.
2002: Felix C Leinweber; Dieter Lubda; Karin Cabrera; Ulrich Tallarek
Characterization of silica-based monoliths with bimodal pore size distribution.
Analytical chemistry 2002;74(11):2470-7.
2002: D Kandhai; Ulrich Tallarek; Dzmitry Hlushkou; Alfons G Hoekstra; P M A Sloot; Henk Van As
Numerical simulation and measurement of liquid hold-up in biporous media containing discrete stagnant zones.
Philosophical transactions. Series A, Mathematical, physical, and engineering sciences 2002;360(1792):521-34.
2001: Ulrich Tallarek; Tom Scheenen; P Adrie de Jager; Henk Van As
Using NMR displacement imaging to characterize electroosmotic flow in porous media.
Magnetic resonance imaging 2001;19(3-4):453-6.
1998: D van Dusschoten; Ulrich Tallarek; Tom Scheenen; U D Neue; Henk Van As
Spatially resolved transport properties in radially compressed bead packings studied by PFG NMR.
Magnetic resonance imaging 1998;16(5-6):703-6.
1998: Ulrich Tallarek; D van Dusschoten; Henk Van As; G Guiochon; Ernst Bayer
Mass transfer in chromatographic columns studied by PFG NMR.
Magnetic resonance imaging 1998;16(5-6):699-702.
1998: Henk Van As; W Palstra; Ulrich Tallarek; D van Dusschoten
Flow and transport studies in (non)consolidated porous (bio)systems consisting of solid or porous beads by PFG NMR.
Magnetic resonance imaging 1998;16(5-6):569-73.
1996: B Behnke; G Schlotterbeck; Ulrich Tallarek; S Strohschein; LH Tseng; T Keller; Klaus Albert; Ernst Bayer
Capillary HPLC-NMR Coupling: High-Resolution (1)H NMR Spectroscopy in the Nanoliter Scale.
Analytical chemistry 1996;68(7):1110-5.