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Szuttor, K. ; Roy, T. ; Hardt, S. ; Holm, C. ; Smiatek, J. :
The stretching force on a tethered polymer in pressure‐driven flow.
[Online-Edition: http://dx.doi.org/10.1063/1.4993619]
In: Journal of Chemical Physics, 147 (034902)
[Artikel], (2017)

Baier, T. ; Hardt, S. ; Shahabi, V. ; Roohi, R. :
Knudsen pump inspired by Crookes radiometer with a specular wall.
[Online-Edition: http://dx.doi.org/10.1103/PhysRevFluids.2.033401]
In: Physical Review Fluids, 2 033401.
[Artikel], (2017)

Dietzel, M. ; Hardt, S. :
Flow and streaming potential of an electrolyte in a channel with an axial temperature gradient.
[Online-Edition: http://dx.doi.org/10.1017/jfm.2016.844]
In: Journal of Fluid Mechanics, 813 pp. 1060-1111.
[Artikel], (2017)

Shahabi, V. ; Baier, T. ; Roohi, E. ; Hardt, S. :
Thermally induced gas flows in ratchet channels with diffuse and specular boundaries.
[Online-Edition: http://www.nature.com/articles/srep41412]
In: Scientific Reports, 7 (41412)
[Artikel], (2017)

Dörr, A. ; Hardt, S. ; Masoud, H. ; Stone, H.A. :
Drag and diffusion coefficients of a spherical particle attached to a fluid interface.
[Online-Edition: http://dx.doi.org/10.1017/jfm.2016.41]
In: Journal of Fluid Mechanics, 790 pp. 607-618. ISSN 1469-7645
[Artikel], (2016)

Hardt, S. :
Free-molecule heat transfer in a conservative force field between parallel surfaces.
[Online-Edition: http://dx.doi.org/10.1103/PhysRevE.93.052139]
In: Physical Review E, 93 (5) 052139. ISSN 1063-651X
[Artikel], (2016)

Dietzel, M. ; Hardt, S. :
Thermoelectricity in confined liquid electrolytes.
[Online-Edition: http://dx.doi.org/10.1103/PhysRevLett.116.225901]
In: Physical Review Letters, 116 (22) p. 225901. ISSN 0031-9007
[Artikel], (2016)

Nejati, I. ; Dietzel, M. ; Hardt, S. :
Exploiting cellular convection in a thick liquid layer to pattern a thin polymer film.
[Online-Edition: http://dx.doi.org/10.1063/1.4940366]
In: Applied Physics Letters, 108 (051604)
[Artikel], (2016)

Tiwari, S. ; Klar, A. ; Hardt, S. :
Numerical simulation of wetting phenomena by a meshfree particle method.
[Online-Edition: http://dx.doi.org/10.1016/j.cam.2015.07.021]
In: Journal of Computational and Applied Mathematics, 292 pp. 469-485.
[Artikel], (2016)

De, S. ; Bhattacharyya, S. ; Hardt, S. :
Electroosmotic flow in a slit nanochannel with superhydrophobic walls.
[Online-Edition: http://dx.doi.org/10.1007/s10404-015-1660-7]
In: Microfluid. Nanofluid., 19 pp. 1465-1476.
[Artikel], (2015)

Nejati, I. ; Dietzel, M. ; Hardt, S. :
Conjugated liquid layers driven by the short-wavelength Bénard–Marangoni instability: experiment and numerical simulation.
[Online-Edition: http://dx.doi.org/10.1017/jfm.2015.544]
In: J. Fluid Mech., 783 pp. 46-71.
[Artikel], (2015)

Sinn, N. ; Alishahi, M. ; Hardt, S. :
Detachment of particles and particle clusters from liquid/liquid interfaces.
[Online-Edition: http://dx.doi.org/10.1016/j.jcis.2015.06.050]
In: J. Colloid Interface Science, 458 pp. 62-68.
[Artikel], (2015)

Dörr, A. ; Hardt, S. :
Driven particles at fluid interfaces acting as capillary dipoles.
[Online-Edition: http://journals.cambridge.org/action/displayAbstract?fromPag...]
In: J. Fluid Mech. (770) pp. 5-26.
[Artikel], (2015)

Eifert, A. ; Petit, J. ; Baier, T. ; Bonaccurso, E. ; Hardt, S. :
Inscribing wettability gradients onto polymer substrates with different stiffness using corona discharge in point-to-plane geometry.
[Online-Edition: http://www.sciencedirect.com/science/article/pii/S0169433214...]
In: Appl. Surf. Sci. (330) pp. 104-110.
[Artikel], (2015)

Shrestha, S. ; Tiwari, S. ; Klar, A. ; Hardt, S. :
Numerical simulation of a moving rigid body in a rarefied gas.
[Online-Edition: http://www.sciencedirect.com/science/article/pii/S0021999115...]
In: J. Comp. Phys. (292) pp. 239-252.
[Artikel], (2015)

Sinn, N. ; Alishahi, M. ; Hardt, S. :
Detachment of particles and particle clusters from liquid/liquid interfaces.
[Online-Edition: http://dx.doi.org/10.1016/j.jcis.2015.06.050]
In: Journal of colloid and interface science, 458 pp. 62-8.
[Artikel], (2015)

Sinn, N. ; Alishahi, M. ; Hardt, S. :
Detachment of particles and particle clusters from liquid/liquid interfaces.
[Online-Edition: http://dx.doi.org/10.1016/j.jcis.2015.06.050]
In: Journal of Colloid and Interface Science, 458 pp. 62-68. ISSN 0021-9797
[Artikel], (2015)

Eifert, A. ; Petit, J. ; Baier, T. ; Bonaccurso, E. ; Hardt, S. :
Inscribing wettability gradients onto polymer substrates with different stiffness using corona discharge in point-to-plane geometry.
In: Applied Surface Science, 330 pp. 104-10. ISSN 0169-4332
[Artikel], (2015)

Shrestha, S. ; Tiwari, S. ; Klar, A. ; Hardt, S. :
Numerical simulation of a moving rigid body in a rarefied gas.
In: Journal of Computational Physics, 292 pp. 239-252. ISSN 0021-9991
[Artikel], (2015)

Varanakkottu, S. N. ; Engelbart, H. ; Joshi, S. ; Still, M. ; Xiao, W. ; Hardt, S. :
Light-controlled tuning of the optical properties of nanoporous glass.
[Online-Edition: http://www.opticsinfobase.org/oe/abstract.cfm?uri=oe-22-21-2...]
In: Optics Express, 22 (21) pp. 25560-25569. ISSN 1094-4087
[Artikel], (2014)

Hoffmann, A. ; Potje-Kamloth, K. ; Hardt, S. ; Bassler, M. :
A robust electrical sensor for contactless control of moving plugs in microfluidic systems with high accurary.
In: Proc. 2nd International Conference on MicroFluidic Handling Systems, October 8-10, 2014, Freiburg.
[Konferenz- oder Workshop-Beitrag], (2014)

Dörr, A. ; Hardt, S. :
Line tension and reduction of apparent contact angle associated with electric double layers.
[Online-Edition: http://scitation.aip.org/content/aip/journal/pof2/26/8/10.10...]
In: Phys. Fluids , 26 (082105)
[Artikel], (2014)

Eifert, A. ; Paulssen, D. ; Varanakkottu, S. N. ; Baier, T. ; Hardt, S. :
Simple Fabrication of Robust Water-Repellent Surfaces with Low Contact-Angle Hysteresis Based on Impregnation.
[Online-Edition: http://onlinelibrary.wiley.com/doi/10.1002/admi.201300138/ab...]
In: Adv. Mater. Interfaces , 1 (1300138)
[Artikel], (2014)

Baier, T. ; Dölger, J. ; Hardt, S. :
Energy harvesting through gas dynamics in the free molecular flow regime between structured surfaces at different temperatures.
[Online-Edition: http://dx.doi.org/10.1103/PhysRevE.89.053003 ]
In: Phys. Rev., E 89 (053003)
[Artikel], (2014)

Babu, D. J. ; Varanakkottu, S. N. ; Eifert, A. ; De Koning, D. ; Cherkashinin, G. ; Hardt, S. ; Schneider, J. J. :
Inscribing Wettability Gradients Onto Superhydrophobic Carbon Nanotube Surfaces.
[Online-Edition: http://onlinelibrary.wiley.com/doi/10.1002/admi.201300049/ab...]
In: Advanced Materials Interfaces, 1 (2) p. 1300049. ISSN 2196-7350
[Artikel], (2014)

Schönecker, Clarissa ; Hardt, S. :
Electro-osmotic flow along superhydrophobic surfaces with embedded electrodes.
[Online-Edition: http://journals.aps.org/pre/abstract/10.1103/PhysRevE.89.063...]
In: Phys. Rev. , E89 (063005)
[Artikel], (2014)

Khnouf, R. ; Goet, G. ; Baier, T. ; Hardt, S. :
Increasing the sensitivity of microfluidics based immunoassays using isotachophoresis.
[Online-Edition: http://pubs.rsc.org/en/Content/ArticleLanding/2014/AN/C4AN00...]
In: Analyst, 139 pp. 4564-4571.
[Artikel], (2014)

Schönecker, Clarissa ; Baier, T. ; Hardt, S. :
Influence of the enclosed fluid on the flow over a microstructured surface in the Cassie state.
[Online-Edition: http://journals.cambridge.org/action/displayAbstract?fromPag...]
In: J. Fluid Mech. , 740 pp. 168-195.
[Artikel], (2014)

Tiwari, S. ; Klar, A. ; Hardt, S. :
Simulations of micro channel gas flows with domain decomposition technique for kinetic and fluid dynamic equations.
In: Proc. 21st International Conference on Domain Decomposition Methods, June 25-29, 2012, INRIA Rennes-Bretagne-Atlantique, France. In: Lecture Notes in Computational Science and Engineering, Springer .
[Konferenz- oder Workshop-Beitrag], (2014)

Vécsei, M. ; Dietzel, M. ; Hardt, S. :
Thermal interaction between two liquid films undergoing long-wavelength instabilities.
[Online-Edition: http://journals.aps.org/pre/abstract/10.1103/PhysRevE.89.053...]
In: Phys. Rev., E 89 (053018)
[Artikel], (2014)

Varanakkottu, S. N. ; George, S. D. ; Baier, T. ; Hardt, S. ; Ewald, M. ; Biesalski, M. :
MANIPULATION OF MICROPARTICLES AND BIOLOGICAL CELLS USING LIGHT-INDUCED MARANGONI FLOW.
In: µTAS 2013 , The 17th International Conference on Miniaturized Systems for Chemistry and Life Sciences, 27-31 October 2013, Freiburg.
[Konferenz- oder Workshop-Beitrag], (2013)

Tiwari, S. ; Klar, A. ; Hardt, S. ; Donkov, A. :
Coupled solution of the Boltzmann and Navier–Stokes equations in gas–liquid two phase flow.
[Online-Edition: http://www.sciencedirect.com/science/article/pii/S0045793012...]
In: Computers and Fluids, 71 pp. 283-296.
[Artikel], (2013)

Kania, T. ; Schilder, B. ; Kissel, T. ; Stephan, Peter ; Hardt, S. ; Dreizler, A. :
Development of a miniaturized energy converter without moving parts.
[Online-Edition: http://link.springer.com/article/10.1007%2Fs10494-012-9418-8]
In: Flow Turbul. Combust., 90 pp. 741-761.
[Artikel], (2013)

Khnouf, R. ; Goet, G. ; Hardt, S. :
Implementation of isotachophoresis in a microfluidic device for the enhamcement of protein immunoassays.
In: Proc. 2013 Int. Conf. on Microtechnologies in Medicine and Biology,, April 10-12, 2013, Marina del Rey, California, USA.
[Konferenz- oder Workshop-Beitrag], (2013)

Goet, G. ; Baier, T. ; Hardt, S. ; Sen, A. K. :
Isotachophoresis with emulsions.
[Online-Edition: http://bmf.aip.org/resource/1/biomgb/v7/i4/p044103_s1]
In: Biomicrofluidics, 7 (044103)
[Artikel], (2013)

Schönecker, Clarissa ; Hardt, S. :
Longitudinal and transverse flow over a cavity containing a second immiscible fluid.
[Online-Edition: http://journals.cambridge.org/action/displayAbstract?fromPag...]
In: J. Fluid Mech, 717 pp. 376-394.
[Artikel], (2013)

Varanakkottu, S. N. ; George, S. D. ; Baier, T. ; Hardt, S. ; Ewald, M. ; Biesalski, M. :
Particle Manipulation Based on Optically Controlled Free Surface Hydrodynamics.
[Online-Edition: http://onlinelibrary.wiley.com/doi/10.1002/anie.201302111/ab...]
In: Angew. Chem. Int. Ed., 52 pp. 7291-7295.
[Artikel], (2013)

Sinha, A. ; Mollah, A. K. ; Hardt, S. ; Ganguly, R. :
Particle dynamics and separation at liquid–liquid interfaces.
[Online-Edition: http://pubs.rsc.org/en/Content/ArticleLanding/2013/SM/c3sm00...]
In: Soft Matter , 9 pp. 5438-5447.
[Artikel], (2013)

Baier, T. ; Dupeux, G. ; Herbert, S. ; Hardt, S. ; Quéré, D. :
Propulsion mechanisms for Leidenfrost solids on ratchets.
[Online-Edition: http://pre.aps.org/abstract/PRE/v87/i2/e021001]
In: Phys. Rev. , E 87 (021001(R))
[Artikel], (2013)

Bhattacharyya, S. ; Gopmandal, P. P. ; Baier, T. ; Hardt, S. :
Sample dispersion in isotachophoresis with Poiseuille counterflow.
[Online-Edition: http://pof.aip.org/resource/1/phfle6/v25/i2/p022001_s1]
In: Phys. Fluids , 25 (022001)
[Artikel], (2013)

Dupeux, G. ; Baier, T. ; Bacot, V. ; Hardt, S. ; Clanet, C. ; Quéré, D. :
Self-propelling uneven Leidenfrost solids.
[Online-Edition: http://pof.aip.org/resource/1/phfle6/v25/i5/p051704_s1]
In: Phys. Fluids , 25 (051704)
[Artikel], (2013)

Eifert, A. ; Baier, T. ; Hardt, S. :
Small onset voltages in negative corona discharges using the edges of gold and aluminum foils as nano-structured electrodes.
[Online-Edition: http://apl.aip.org/resource/1/applab/v103/i2/p023114_s1]
In: Appl. Phys. Lett., 103 (023114)
[Artikel], (2013)

Hardt, S. ; Tiwari, S. ; Baier, T. :
Thermally driven flows between a Leidenfrost solid and a ratchet surface.
[Online-Edition: http://pre.aps.org/abstract/PRE/v87/i6/e063015]
In: Phys. Rev. , E 87 (063015)
[Artikel], (2013)

Banerjee, U. ; Bit, P. ; Ganguly, R ; Hardt, S. :
Aggregation dynamics of particles in a microchannel due to an applied magnetic field.
[Online-Edition: http://link.springer.com/article/10.1007%2Fs10404-012-1053-0]
In: Microfluid. Nanofluid., 13 pp. 565-577.
[Artikel], (2012)

Steffes, C. ; Baier, T. ; Hardt, S. :
Corrigendum to “Enabling the enhancement of electroosmotic flow over superhydrophobic surfaces by induced charges”.
[Online-Edition: http://www.sciencedirect.com/science/article/pii/S0927775711...]
In: Colloid. Surface A, 395 pp 284-285.
[Artikel], (2012)

Kania, T. ; Schilder, B. ; Kissel, T. ; Stephan, Peter ; Hardt, S. ; Dreizler, A. :
Development of a Miniaturized Energy Converter Without Moving Parts.
[Online-Edition: http://dx.doi.org/10.1007/s10494-012-9418-8]
In: Flow, Turbulence and Combustion ISSN 1386-6184
[Artikel], (2012)

Dörr, A. ; Hardt, S. :
Electric-double-layer structure close to the three-phase contact line in an electrolyte wetting a solid substrate.
[Online-Edition: http://pre.aps.org/abstract/PRE/v86/i2/e022601]
In: Physical Review E, 86 (022601)
[Artikel], (2012)

Petzold, U. ; Büchel, A. ; Hardt, S. ; Halfmann, T. :
Imaging diffusion in a microfluidic device by third harmonic microscopy.
[Online-Edition: http://link.springer.com/article/10.1007%2Fs00348-012-1321-5]
In: Exp. Fluids, 53 pp. 777-782.
[Artikel], (2012)

Baier, T. ; Herbert, S. ; Hardt, S. :
Leidenfrost solids on structured surfaces.
Proc. 3rd European Conference on Microfluidics, Heidelberg, Germany,
[Konferenz- oder Workshop-Beitrag], (2012)

Pertaya-Braun, N. ; Baier, T. ; Hardt, S. :
Microfluidic centrifuge based on a counterflow configuration.
[Online-Edition: http://link.springer.com/article/10.1007%2Fs10404-011-0875-5]
In: Microfluid. Nanofluid., 12 pp. 317–324.
[Artikel], (2012)

Hardt, S. ; Hahn, T. :
Microfluidics with aqueous two-phase systems.
[Online-Edition: http://pubs.rsc.org/en/Content/ArticleLanding/2012/LC/c1lc20...]
In: Lap Chip, 12 pp. 434–442.
[Artikel], (2012)

Schultheis, T. ; Hoheisel, D. ; Xiao, W. ; Spani Molella, L. ; Reithmeier, E. ; Rissing, L. ; Hardt, S. :
Performance of an adaptive liquid microlens controlled by a micro coil actuator.
[Online-Edition: http://link.springer.com/article/10.1007%2Fs10404-012-0961-3]
In: Microfluid. Nanofluid., 13 pp. 299-308.
[Artikel], (2012)

Dietzel, M. ; Hardt, S. :
Streaming potential of an electrolyte in a microchannel with a lateral temperature gradient.
Proc. 3rd European Conference on Microfluidics, Heidelberg, Germany,
[Konferenz- oder Workshop-Beitrag], (2012)

Hardt, S. ; Herbert, S. ; Kunkelmann, C. ; Mahjoob, S. ; Stephan, Peter :
Unidirectional bubble growth in microchannels with asymmetric surface features.
[Online-Edition: http://www.sciencedirect.com/science/article/pii/S0017931012...]
In: International Journal of Heat and Mass Transfer, 55 pp 7056-7062.
[Artikel], (2012)

Schönecker, Clarissa ; Baier, T. ; Hardt, S. :
The flow of a fluid in Cassie state along a patterned surface and its effective slip length.
Proc. 3rd European Conference on Microfluidics, Heidelberg, Germany,
[Konferenz- oder Workshop-Beitrag], (2012)

Pertaya-Braun, N. ; Hardt, S. :
Microfluidic extractor based on droplet flow in microchannels.
Proc. Mikrosystemtechnik Kongress 2011, Darmstadt, Germany
[Konferenz- oder Workshop-Beitrag], (2011)

Baier, T. ; Schönfeld, F. ; Hardt, S. :
Analytical approximations to the flow field induced by electroosmosis during isotachophoretic transport through a channel.
[Online-Edition: http://journals.cambridge.org/action/displayAbstract?fromPag...]
In: Journal of Fluid Mechanics, 682 pp. 101-119.
[Artikel], (2011)

Hahn, T. ; Hardt, S. :
Concentration and Size Separation of DNA Samples at Liquid–Liquid Interfaces.
[Online-Edition: http://dx.doi.org/10.1021/ac201228v]
In: Analytical Chemistry, 83 pp. 5476-5479.
[Artikel], (2011)

Das, S. ; Hardt, S. :
Electric-double-layer potential distribution in multiple-layer immiscible electrolytes.
[Online-Edition: http://pre.aps.org/abstract/PRE/v84/i2/e022502]
In: Physical Review E, 84 (0225502)
[Artikel], (2011)

Hahn, T. ; Münchow, G. ; Hardt, S. :
Electrophoretic transport of biomolecules across liquid–liquid interfaces.
[Online-Edition: http://iopscience.iop.org/0953-8984/23/18/184107?fromSearchP...]
In: J. Phys.: Condens. Matter, 23 (184107)
[Artikel], (2011)

Steffes, C. ; Baier, T. ; Hardt, S. :
Enabling the enhancement of electroosmotic flow over superhydrophobic surfaces by induced charges.
[Online-Edition: http://dx.doi.org/10.1016/j.colsurfa.2010.09.002]
In: Colloids and Surfaces A: Physicochemical and Engineering Aspects, 376 (1-3) pp. 85-88.
[Artikel], (2011)

Abele, E. ; Fischer, J. ; Hardt, S. ; Manukyan, S. ; Roisman, Ilia V. :
Komplexe Oberflächen mit maßgeschneiderter Benetzbarkeit.
In: forschen 1/2011 pp. 50-55.
[Artikel], (2011)

Hardt, S. :
Microreactors - Modeling and Simulation.
In: Ullmann’s Encyclopedia of Technical Chemistry. Electronic Resource
[Buchkapitel], (2011)

Donkov, A. ; Tiwari, S. ; Liang, T. ; Hardt, S. ; Klar, A. ; Ye, W. :
Momentum and mass fluxes in a gas confined between periodically structured surfaces at different temperatures.
[Online-Edition: http://dx.doi.org/10.1103/PhysRevE.84.016304]
In: Physical Review E, 84 (016304)
[Artikel], (2011)

Hahn, T. ; Hardt, S. :
Size dependent detachment of DNA molecules from liquid-liquid interfaces.
[Online-Edition: http://pubs.rsc.org/en/Content/ArticleLanding/2011/SM/c1sm05...]
In: Soft Matter, 7 pp. 6320-6326.
[Artikel], (2011)

Goet, G. ; Baier, T. ; Hardt, S. :
Transport and separation of micron sized particles at isotachophoretic transition zones.
[Online-Edition: http://dx.doi.org/10.1063/1.3555194]
In: Biomicrofluidics, 5 (014109)
[Artikel], (2011)

Dupeux, G. ; Le Merrer, M. ; Lagubeau, G. ; Clanet, C. ; Hardt, S. ; Quéré, D. :
Viscous mechanism for Leidenfrost propulsion on a ratchet.
[Online-Edition: http://iopscience.iop.org/0295-5075/96/5/58001/]
In: Europhys. Lett., 96 (58001)
[Artikel], (2011)

Ganguly, R. ; Hahn, T. ; Hardt, S. :
Characterization of magnetic bead-based microfluidic mixing for bio-MEMS applications.
In: Proc. 20th National & 9th International ISHMT-ASME Heat and Mass Transfer Conference, 04.-06.01.2010, Mumbai.
[Konferenz- oder Workshop-Beitrag], (2010)

Hardt, S. ; Goet, G. ; Baier, T. :
Expanding the scope of isotachophoresis in microfluidic operations.
In: Proc. 2nd European Conference on Microfluidics, 08.-10.12.2010, Toulouse. In: µFLU .
[Konferenz- oder Workshop-Beitrag], (2010)

Löffler, K. ; Yu, H. ; Hardt, S. ; Gambaryan-Roisman, Tatiana ; Stephan, Peter :
Heat transfer and evaporation of falling liquid films on surfaces with advanced three-dimensional periodic structures: Experiments and numerical simulations.
In: Proc. 8th Int. Conf. Nanochannels, Microchannels, Minichannels, 01.-05.08.2010, Montreal.
[Konferenz- oder Workshop-Beitrag], (2010)

George, S. D. ; Namboodiri, V. S. ; Hardt, S. :
Laser induced photoswitching of azobenzene incorporated in PDMS films.
In: SPIE, Linear and Nonlinear Optics of Organic Materials X, 01.-05.08.2010, San Diego.
[Konferenz- oder Workshop-Beitrag], (2010)

Ganguly, R. ; Hahn, T. ; Hardt, S. :
Magnetophoretic mixing for in-situ immunochemical binding on magnetic beads in a microfluidic channel.
[Online-Edition: http://link.springer.com/article/10.1007%2Fs10404-009-0504-8]
In: Microfluid. Nanofluid., 8 pp. 739-753.
[Artikel], (2010)

Baier, T. ; Steffes, C. ; Hardt, S. :
Numerical modeling of thermocapillary flow on superhydrophobic surfaces.
In: Proc. µTAS2010, 14th Int. Conf. Miniaturized Systems for Chemistry and Life Sciences, 03.-07.10.2010, Groningen.
[Konferenz- oder Workshop-Beitrag], (2010)

Namboodiri, V. S. ; George, S. D. ; Hardt, S. :
Photodegradation of optically trapped polystyrene beads at 442 nm.
In: Proc. ICCESSE 2010, 28.-30.09.2010, Amsterdam.
[Konferenz- oder Workshop-Beitrag], (2010)

Baier, T. ; Steffes, C. ; Hardt, S. :
Thermocapillary flow on superhydrophobic surfaces.
In: Phys. Rev. E, 82 (037301)
[Artikel], (2010)

Xiao, W. ; Hardt, S. :
An adaptive liquid microlens driven by a ferrofluidic transducer.
[Online-Edition: http://iopscience.iop.org/0960-1317/20/5/055032/]
In: J. Micromech. Microeng., 20 (055032)
[Artikel], (2010)

Xiao, W. ; Hardt, S. :
The dynamic behavior of an adaptive liquid microlens driven by a ferrofluidic transducer.
In: Proc. 8th Int. Conf. Nanochannels, Microchannels, Minichannels, 01.-05.08.2010, M.
[Konferenz- oder Workshop-Beitrag], (2010)

Kania, T. ; Schilder, B. ; Hardt, S. ; Stephan, Peter ; Dreizler, A. :
Akku leer – bald nicht mehr?
In: forschen 2/2009 pp. 42-47.
[Artikel], (2009)

Kania, T. ; Schilder, B. ; Hardt, S. ; Stephan, Peter ; Dreizler, A. :
Akku leer — bald nicht mehr?
In: Forschen — Wissenschaftsmagazin der TU Darmstadt, 42 (2)
[Artikel], (2009)

Donkov, A. A. ; Hardt, S. ; Tiwari, S. ; Klar, A. :
Coupling of Heat and Momentum Transfer Between Nanostructured Surfaces.
[Online-Edition: http://dx.doi.org/10.1115/MNHMT2009-18061]
ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer, Volume 3
[Konferenz- oder Workshop-Beitrag], (2009)

Schönfeld, F. ; Hardt, S. :
Dynamic contact angles in CFD simulations.
In: Computers and Fluids, 38 pp. 757-764.
[Artikel], (2009)

Goet, G. ; Baier, T. ; Hardt, S. :
Micro contactor based on isotachophoretic sample transport.
In: Lab Chip, 9 pp. 3586-3593.
[Artikel], (2009)

Hardt, S. ; Tiwari, S. ; Klar, A. :
Momentum transfer to nanoobjects between isothermal parallel plates.
[Online-Edition: http://dx.doi.org/10.1007/s10404-008-0327-z]
In: Microfluidics and Nanofluidics, 6 (4) pp. 489-498.
[Artikel], (2009)

Hahn, T. ; Kurz, A. ; Hardt, S. :
Size separation of nucleic acids by electrophoretic transport across fluid boundaries.
In: Proc. µTAS2009, 13th Int. Conf. Miniaturized Systems for Chemistry and Life Sciences, 01.-05.11.2009, Jeju, Korea.
[Konferenz- oder Workshop-Beitrag], (2009)

Schönfeld, F. ; Goet, G. ; Baier, T. ; Hardt, S. :
Transition zone dynamics in combined isotachophoretic and electro-osmotic transport.
[Online-Edition: http://dx.doi.org/10.1063/1.3222866]
In: Physics of Fluids, 21 (092002)
[Artikel], (2009)

Stephan, Peter ; Hardt, S. ; Kunkelmann, C. ; Schweizer, N. ; Sielaff, A. :
Wärmeübertragung – vom Frühstücksei zur Chipkühlung.
In: forschen 2/2009 pp. 34-40.
[Artikel], (2009)

Tiwari, S. ; Klar, A. ; Hardt, S. :
A particle-particle hybrid method for kinetic and continuum equations.
In: J. Comput. Phys., 228 pp. 7109-7124.
[Artikel], (2009)

Hardt, S. ; Wondra, F. :
Evaporation Model for interfacial flows based on a continuum-field representation of the source terms.
In: J. Comput. Phys., 227 pp. 5871-5895.
[Artikel], (2008)

Schilder, B. ; Yu, S. C. M. ; Kasagi, N. ; Hardt, S. ; Stephan, Peter :
Local Heat Transfer Measurement in a Micro Glass Tube.
In: Proceedings 6th International Conference on Nanochannels, Microchannels and Minichannels.
[Konferenz- oder Workshop-Beitrag], (2008)

Schilder, B. ; Yu, S. C. M. ; Kasagi, N. ; Hardt, S. ; Stephan, Peter :
Local Measurement of Forced Convection Heat Transfer in a Micro Glass Tube.
[Online-Edition: http://dx.doi.org/10.1115/ICNMM2008-62054]
In: ASME 2008 6th International Conference on Nanochannels, Microchannels, and Minichannels.
[Konferenz- oder Workshop-Beitrag], (2008)

Schilder, B. ; Yu, S. C. M. ; Kasagi, N. ; Hardt, S. ; Stephan, Peter :
Local measurement of forced convection heat transfer in a micro glass tube.
In: Proc. 6th Int. Conf. Nanochannels, Microchannels, Minichannels, 23.-25.06.2008, Darmstadt.
[Konferenz- oder Workshop-Beitrag], (2008)

Münchow, G. ; Hardt, S. ; Schönfeld, F. ; Graf, K. H. :
Protein diffusion across the interface of aqueous two-phase systems.
In: Langmuir, 24 pp. 8547-8553.
[Artikel], (2008)

Schönfeld, F. ; Goet, G. ; Drese, K. S. ; Hardt, S. :
Single-phase digital microfluidics based on isotachophoretic transport.
In: Proc. µTAS2008, 12th Int. Conf. Miniaturized Systems for Chemistry and Life Sciences, 12.-16.10.2008, San Diego.
[Konferenz- oder Workshop-Beitrag], (2008)

Schönfeld, F. ; Graf, K. ; Hardt, S. ; Butt, Hans-Jürgen :
Time of evaporation of sessile liquid drops in still air with constant contact radius.
In: Int. J. Heat Mass Transfer, 51 pp. 3696-3699.
[Artikel], (2008)

Hardt, S. ; Schilder, B. ; Tiemann, D. ; Kolb, G. ; Hessel, V. ; Stephan, Peter :
Analysis of flow patterns emerging during evaporation in parallel microchannels.
In: Int. J. Heat Mass Transfer, 50 pp. 226-239.
[Artikel], (2007)

Hardt, S. ; Schilder, B. ; Tiemann, D. ; Kolb, G. ; Hessel, V. ; Stephan, Peter :
Analysis of flow patterns emerging during evaporation in parallel microchannels.
[Online-Edition: http://dx.doi.org/10.1016/j.ijheatmasstransfer.2006.06.015]
In: International Journal of Heat and Mass Transfer, 50 (1-2) pp. 226-239. ISSN 00179310
[Artikel], (2007)

Münchow, G. ; Hardt, S. ; Kutter, J. P. ; Drese, K. S. :
Continuous separation of proteins and cells by two-phase electrophoresis in microchannels.
In: Proc. µTAS2007, 11th Int. Conf. Miniaturized Systems for Chemistry and Life Sciences, 07.-11.10.2007, Paris.
[Konferenz- oder Workshop-Beitrag], (2007)

Münchow, G. ; Hardt, S. ; Kutter, J. P. ; Drese, K. S. :
Electrophoretic partitioning of proteins in two-phase microflow.
In: Lab Chip, 7 pp. 98-102.
[Artikel], (2007)

Schilder, B. ; Zorbach, I. ; Hardt, S. ; Stephan, Peter ; Wondra, F. ; Klotzbücher, T. :
Experimental investigation of fuel evaporation on microstructured surfaces for microcombustion.
In: Proc. 6th Int. Conf. Enhanced, Compact and Ultra-Compact Heat Exchangers, 16.-21.09.2007, Potsdam.
[Konferenz- oder Workshop-Beitrag], (2007)

Hardt, S. ; Schönfeld, F.:
Microfluidic Technologies for Miniaturized Analysis Systems.
Springer, New York
[Buch], (2007)

Hardt, S. ; Schönfeld, F. :
Microfluidics: Fundamentals and Engineering Concepts.
In: Microfluidic Technologies for Miniaturized Analysis Systems. Springer, New York , pp. 1-58.
[Buchkapitel], (2007)

Hardt, S. :
Modeling and Simulation of Microreactors.
In: Modeling of Process Intensification. Wiley-VCH, Weinheim , pp. 25-78.
[Buchkapitel], (2007)

Hardt, S. ; Baier, T. :
A computational model for heat transfer in multichannel microreactors.
In: AIChE J., 53 pp. 1006-1016.
[Artikel], (2007)

Baier, T. ; Hardt, S. :
A mean-field model for heat transfer in multichannel microreactors.
In: AIChE J., 53 pp. 1006-1016.
[Artikel], (2007)

Schilder, B. ; Hessel, V. ; Kolb, D. ; Tiemann, D. ; Hardt, S. ; Stephan, Peter :
Visualization of evaporation processes in microchannels.
In: ACHEMA 2006 <28, 2006, Frankfurt Main> .
[Konferenz- oder Workshop-Beitrag], (2006)

Kania, T. ; Dreizler, A. ; Janicka, J. ; Schilder, B. ; Hardt, S. ; Stephan, Peter :
Conceptual study of a micro energy converter using thermoelectric materials.
In: Proc. PowerMEMS2006, 6th Int. Workshop on Micro and Nanotechnology for Power Generation and Energy Conversion Applications, 29.11.-01.12.2006, Berkeley.
[Konferenz- oder Workshop-Beitrag], (2006)

Schönfeld, F. ; Hardt, S. ; Böhm, M. ; Püschl, R. ; Walder, M. ; Wenclawiak, B. :
Electroosmotic flow patterning using microfluidic delay loops.
In: Lab Chip, 6 pp. 1525-1529.
[Artikel], (2006)

Schönfeld, F. ; Hardt, S. ; Böhm, M. ; Püschl, R. J. ; Walder, M. ; Wenclawiak, B. :
Electroosmotic flow patterning using microfluidic delay loops.
[Online-Edition: http://dx.doi.org/10.1039/b609423f]
In: Lab on a chip, 6 (12) pp. 1525-1529. ISSN 1473-0197
[Artikel], (2006)

Munchow, G. ; Hardt, S. ; Kutter, J. ; Drese, K. :
Protein Transport and Concentration by Electrophoresis in Two-phase Microflows.
[Online-Edition: http://dx.doi.org/10.1016/j.jala.2006.08.006]
In: Journal of the Association for Laboratory Automation, 11 (6) pp. 368-373. ISSN 15355535
[Artikel], (2006)

Münchow, G. ; Hardt, S. ; Kutter, J. P. ; Drese, K. S. :
Protein transport and concentration by electrophoresis in two-phase microflows.
In: JALA, 11 pp. 368-373.
[Artikel], (2006)

Hardt, S. ; Pennemann, H. ; Schönfeld, F. :
Theoretical and experimental characterization of a low-Reynolds number split-and-recombine mixer.
In: Microfluid. Nanofluid., 2 pp. 237-248.
[Artikel], (2006)

Hardt, S. ; Pennemann, H. ; Schönfeld, F. :
Theoretical and experimental characterization of a low-Reynolds number split-and-recombine mixer.
[Online-Edition: http://dx.doi.org/10.1007/s10404-005-0071-6]
In: Microfluidics and Nanofluidics, 2 (3) pp. 237-248. ISSN 1613-4982
[Artikel], (2006)

Münchow, G. ; Dadic, D. ; Doffing, F. ; Hardt, S. ; Drese, K. S. :
Automated chip-based device for simple and fast nucleic acid amplification.
In: Expert Rev. Mol. Diagn., 5 pp. 613-620.
[Artikel], (2005)

Hardt, S. :
Design paradigms and methodologies for microfluidics.
In: Proc. of Nanotech2005, 2005 NSTI Nanotechnology Conference and Trade Show, 08.-12.05.2005, Anaheim, Californien.
[Konferenz- oder Workshop-Beitrag], (2005)

Schönfeld, F. ; Hardt, S. :
Flow patterning by phase-shifted electroosmotic flows.
In: Proc. of µTAS2005, 9th Int. Conf. Miniaturized Systems for Chemistry and Life Sciences, 09.-13.10.2005, Boston.
[Konferenz- oder Workshop-Beitrag], (2005)

Schönfeld, F. ; Hardt, S. :
Microfluidics and induced-charge electrokinetic flows.
In: Proc. of µTAS2005, 9th Int. Conf. Miniaturized Systems for Chemistry and Life Sciences, 09.-13.10.2005, Boston.
[Konferenz- oder Workshop-Beitrag], (2005)

Pennemann, H. ; Hardt, S. ; Hessel, V. ; Löb, P. ; Weise, F. :
Micromixer based liquid/liquid dispersion.
In: Chem. Eng. Technol., 28 pp. 501-508.
[Artikel], (2005)

Hardt, S. ; Drese, K. S. ; Hessel, V. ; Schönfeld, F. :
Passive micro mixers for applications in the micro reactor and µTAS field.
In: Microfluid. Nanofluid., 1 pp. 108-118.
[Artikel], (2005)

Münchow, G. ; Drese, K. S. ; Hardt, S. ; Kutter, J. P. :
Towards two-phase electrophoresis in microchannels.
In: Proc. of µTAS2005, 9th Int. Conf. Miniaturized Systems for Chemistry and Life Sciences, 09.-13.10.2005, Boston.
[Konferenz- oder Workshop-Beitrag], (2005)

Hardt, S. ; Jiang, F. ; Schönfeld, F. :
A computational analysis of the hydrodynamic instability of a liquid jet focused into a converging microchannel.
In: Int. J. Multiphase Flow, 31 pp. 739-756.
[Artikel], (2005)

Hardt, S. :
An extended VOF method for micro flows with short-range interactions between fluid interfaces.
In: Phys. Fluids, 17 pp. 100601-1.
[Artikel], (2005)

Cominos, V. ; Hardt, S. ; Hessel, V. ; Kolb, G. ; Löwe, H. ; Wichert, M. ; Zapf, R. :
A methanol steam micro-reformer for low power fuel cell applications.
In: Chem. Eng. Comm., 192 pp. 685-698.
[Artikel], (2005)

Hessel, V. ; Hardt, S. ; Löwe, H.:
Chemical Micro Process Engineering.
Wiley-VCH, Weinheim
[Buch], (2004)

Hardt, S. ; Baier, T. ; Schönfeld, F. :
Computational models and methods for microfluidics: from flow distributions to mixing.
In: Proc. of ECCOMAS2004, 4th European Congress on Computational Methods in Applied Sciences and Engineering, 24.-.28.07.2004, Jyväskylä, Finland.
[Konferenz- oder Workshop-Beitrag], (2004)

Hardt, S. ; Dadic, D. ; Doffing, F. ; Drese, K. S. ; Jiang, F. ; Münchow, G. ; Sörensen, O. :
Development of a slug-flow PCR chip with minimum heating cycle times.
In: Proc. of Nanotech2004, 2004 NSTI Nanotechnology Conference and Trade Show, 07.-11.03.2004, Boston, MA.
[Konferenz- oder Workshop-Beitrag], (2004)

Jiang, F. ; Drese, K. S. ; Hardt, S. ; Küpper, M. ; Schönfeld, F. :
Helical flows and chaotic mixing in curved microchannels.
In: AIChE J., 50 pp. 2297-2305.
[Artikel], (2004)

Griebel, A. ; Rund, S. ; Schönfeld, F. ; Dörner, W. ; Konrad, R. ; Hardt, S. :
Integrated polymer chip for two-dimensional capillary gel electrophoresis.
In: Lab Chip, 4 pp. 18-23.
[Artikel], (2004)

Schönfeld, F. ; Hardt, S. ; Hessel, V. ; Hofmann, C. :
Optimiertes distributives Mischen mittels ‘chaotischer’ Multilamination.
In: Chem. Ing. Tech., 76 pp. 614-618.
[Artikel], (2004)

Schönfeld, F. ; Drese, K. S. ; Hardt, S. ; Hessel, V. ; Hofmann, C. :
Optimized distributive µ-mixing by “chaotic” multilamination.
In: Proc. of Nanotech2004, 2004 NSTI Nanotechnology Conference and Trade Show, 07.-11.03.2004, Boston, MA.
[Konferenz- oder Workshop-Beitrag], (2004)

Drese, K. S. ; Münchow, G. ; Dadic, D. ; Doffing, F. ; Hardt, S. ; Sörensen, O. ; Müller, T. ; Klein-Vehne, A. :
Rapid polymerase chain reaction in polymeric microchips driven by ferrofluids.
In: Proc. of µTAS2004, 8th Int. Conf. Miniaturized Systems for Chemistry and Life Sciences, 26.-30.09.2004, Malmö, Sweden.
[Konferenz- oder Workshop-Beitrag], (2004)

Schönfeld, F. ; Hardt, S. :
Simulation of helical flows in microchannels.
In: AIChE J., 50 pp. 771-778.
[Artikel], (2004)

Löb, P. ; Drese, K. S. ; Hessel, V. ; Hardt, S. ; Hofmann, C. ; Löwe, H. ; Schenk, R. ; Schönfeld, F. ; Werner, B. :
Steering of liquid mixing speed in interdigital micro mixers – from very fast to deliberately slow mixing.
In: Chem. Eng. Technol., 27 pp. 340-345.
[Artikel], (2004)

Stephan, Peter ; Hardt, S. :
Wärme- und Stofftransport in mikrofluidischen Mehrphasensystemen: Forschungsaktivitäten an der TU Darmstadt.
In: Chem. Ing. Tech., 76 pp. 527-528.
[Artikel], (2004)

Stephan, Peter ; Hardt, S. :
Wärme- und Stofftransport in mikrofluidischen Mehrphasensystemen: Forschungsaktivitäten an der TU Darmstadt.
[Online-Edition: http://dx.doi.org/10.1002/cite.200403398]
In: Chemie Ingenieur Technik, 76 (5) pp. 527-528. ISSN 0009-286X
[Artikel], (2004)

Hardt, S. ; Pennemann, H. ; Jiang, F. :
CFD-based optimization of gas/liquid microreactors with droplet and bubble transport.
In: Proc. of Nanotech2003, 2003 NSTI Nanotechnology Conference and Trade Show, 23.-27.02.2003, San Francisco, CA.
[Konferenz- oder Workshop-Beitrag], (2003)

Hessel, V. ; Hardt, S. ; Löwe, H. :
Chemical processing with microdevices – device/plant concepts, selected applications and state of scientific/commercial implementation.
In: Proc. of ICheaP-6, 6th Italian Conference on Chemical and Process Engineering, 08.-11.06.2003, Pisa, Italy.
[Konferenz- oder Workshop-Beitrag], (2003)

Hardt, S. ; Drese, K. S. ; Griebel, A. ; Rund, S. ; Schönfeld, F. :
Lab-on-a-Chip-Systeme für die medizinische Diagnostik.
In: Proc. of 1st EFDS-Workshop “Funktionalisierung von Oberflächen für die Biotechnologie”, 11.03.2003, Dresden, Germany.
[Konferenz- oder Workshop-Beitrag], (2003)

Hessel, V. ; Hardt, S. ; Schönfeld, F. ; Löwe, H. :
Laminar mixing in interdigital micromixers with different mixing chambers – Part 1: Experimental characterization.
In: AIChE J., 49 pp. 566-577.
[Artikel], (2003)

Hardt, S. ; Schönfeld, F. :
Laminar mixing in interdigital micromixers with different mixing chambers – Part 2: Numerical simulations.
In: AIChE J., 49 pp. 578-584.
[Artikel], (2003)

Sörensen, O. ; Drese, K. S. ; Hardt, S. :
Liquid slug transport, mixing and synchronization driven by ferrofluids.
In: Proc. of µTAS2003, 7th Int. Conf. Miniaturized Systems for Chemistry and Life Sciences, 05.-09.10.2003, Squaw Valley, CA.
[Konferenz- oder Workshop-Beitrag], (2003)

Hardt, S. :
Modeling hydrodynamic focusing of liquid jets in microchannels.
In: Proc. of the 2nd M.I.T. Conference on Computational Fluid and Solid Mechanics, 17.-20.06.2003, Cambridge, MA.
[Konferenz- oder Workshop-Beitrag], (2003)

Goet, G. ; Hardt, S. :
Pumpen kleinster Flüssigkeitsmengen mit Hilfe von elektrischen Feldern.
In: Inno 25
[Artikel], (2003)

Hardt, S. ; Ehrfeld, W. ; Hessel, V. ; Vanden Bussche, K. M. :
Strategies for size reduction of microreactors by heat transfer enhancement effects.
In: Chem. Eng. Comm., 190 pp. 540-559.
[Artikel], (2003)

Pumera, M. ; Wang, J. ; Opekar, F. ; Jelinek, I. ; Feldman, J. ; Löwe, H. ; Hardt, S. :
Contactless conductivity detector for microchip capillary electrophoresis.
In: Anal. Chem., 74 pp. 1968-1971.
[Artikel], (2002)

Hessel, V. ; Dietrich, T. ; Freitag, A. ; Hardt, S. ; Hofmann, C. ; Löwe, H. ; Pennemann, H. ; Ziogas, A. :
Fast mixing in interdigital micromixers achieved by means of extreme focussing.
In: Proc. of IMRET6, 6th Int. Conf. Microreaction Technology, 10.-14.03.2002, New Orleans, LA.
[Konferenz- oder Workshop-Beitrag], (2002)

Pumera, M. ; Wang, J. ; Löwe, H. ; Hardt, S. :
Poly(methylmethacrylate) microchip electrophoresis device with thick-film amperometric detector: towards fully disposable Lab-on-a-Chip.
In: JALA, 7 pp. 73-74.
[Artikel], (2002)

Hardt, S. ; Dietrich, T. ; Freitag, A. ; Hessel, V. ; Löwe, H. ; Hofmann, C. ; Orosar, A. ; Schönfeld, F. ; Vanden Bussche, K. M. :
Radial and tangential injection of liquid/liquid and gas/liquid streams and focussing thereof in a special cyclone micromixer.
In: Proc. of IMRET6, 6th Int. Conf. Microreaction Technology, 10.-14.03.2002, New Orleans, LA.
[Konferenz- oder Workshop-Beitrag], (2002)

Hardt, S. ; Doffing, F. ; Pennemann, H. :
Simulation of hydrodynamic dispersion in gas/liquid microreactors.
In: Proc. of MSM2002, 5th Int. Conf. Modeling and Simulation of Microsystems, 22.-25.04.2002, San Juan, Puerto Rico.
[Konferenz- oder Workshop-Beitrag], (2002)

Hardt, S. ; Schönfeld, F. :
Simulation of hydrodynamics in multi-phase microreactors.
In: Proc. of WCCM V, 5th World Congress on Computational Mechanics, 07.-12.07.2002, Vienna, Austria.
[Konferenz- oder Workshop-Beitrag], (2002)

Hardt, S. :
Simulation von Mikrosystemen.
In: Handbuch Mikrotechnik. Carl Hanser Verlag, München , pp. 41-82.
[Buchkapitel], (2002)

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