V. Ajaev and G. Homsy, MODELING SHAPES AND DYNAMICS OF CONFINED BUBBLES, Annual Review of Fluid Mechanics, vol.38, issue.1, pp.277-307, 2006.
DOI : 10.1146/annurev.fluid.38.050304.092033

M. Anduze, Etude expérimentale et numérique de microécoulements liquides dans les microsystèmes fluidiques, 2000.

J. Bico, Mécanismes d'imprégnation : Surfaces texturées, bigouttes, poreux, 2000.

J. Bico and D. Quéré, Falling Slugs, Journal of Colloid and Interface Science, vol.243, issue.1, pp.262-264, 2001.
DOI : 10.1006/jcis.2001.7891

J. Bico and D. Quéré, Rise of Liquids and Bubbles in Angular Capillary Tubes, Journal of Colloid and Interface Science, vol.247, issue.1, pp.162-166, 2002.
DOI : 10.1006/jcis.2001.8106

J. Bico and D. Quéré, Self-propelling slugs, Journal of Fluid Mechanics, vol.467, pp.101-127, 2002.
DOI : 10.1017/S002211200200126X

F. Bretherton, The motion of long bubbles in tubes, Journal of Fluid Mechanics, vol.194, issue.02, p.166, 1961.
DOI : 10.1021/ie50601a051

J. Brody, P. Yager, R. Goldstein, and R. Austin, Biotechnology at low Reynolds numbers, Biotechnology at low reynolds numbers, pp.3430-3441, 1996.
DOI : 10.1016/S0006-3495(96)79538-3

URL : http://doi.org/10.1016/s0006-3495(96)79538-3

K. Cassidy, N. Gavriely, and J. Grotberg, Liquid Plug Flow in Straight and Bifurcating Tubes, Journal of Biomechanical Engineering, vol.123, issue.6, pp.580-90, 2001.
DOI : 10.1115/1.1406949

R. Chebbi, Deformation of advancing gas???liquid interfaces in capillary tubes, Journal of Colloid and Interface Science, vol.265, issue.1, pp.166-173, 2003.
DOI : 10.1016/S0021-9797(03)00415-6

C. Choi, S. Koh, Y. Chang, and W. Park, Effects of Perfluorocarbon Associated High Frequency Oscillatory Ventilation on Hemodynamics and Gas Exchange in the Newborn Piglets with Respiratory Distress, Journal of Korean Medical Science, vol.18, issue.5, pp.663-668, 2003.
DOI : 10.3346/jkms.2003.18.5.663

K. Cliffe, S. Tavener, and A. Wheeler, An orthogonal mapping technique for the computation of a viscous free-surface flow, International Journal for Numerical Methods in Fluids, vol.8, issue.11, pp.1243-1258, 1992.
DOI : 10.1002/fld.1650151102

S. Colin, La physique des microécoulements, Pour la Science, vol.306, 2003.

P. Concus and R. Finn, On capillary free surfaces in the absence of gravity, Acta Mathematica, vol.132, issue.0, pp.177-198, 1974.
DOI : 10.1007/BF02392113

R. Cox, The dynamics of spreading of liquids on a solid surface, J. Fluid Mech, vol.168, 0195.

T. Cubaud and C. Ho, Transport of bubbles in square microchannels, Physics of Fluids, vol.16, issue.12, pp.4575-4585, 2004.
DOI : 10.1063/1.1813871

A. Darhuber and S. Troian, PRINCIPLES OF MICROFLUIDIC ACTUATION BY MODULATION OF SURFACE STRESSES, Annual Review of Fluid Mechanics, vol.37, issue.1, pp.425-455, 2005.
DOI : 10.1146/annurev.fluid.36.050802.122052

M. Dong and I. Chatzis, The Imbibition and Flow of a Wetting Liquid along the Corners of a Square Capillary Tube, Journal of Colloid and Interface Science, vol.172, issue.2, pp.278-288, 1995.
DOI : 10.1006/jcis.1995.1253

E. B. Dussan, On the Spreading of Liquids on Solid Surfaces: Static and Dynamic Contact Lines, Annual Review of Fluid Mechanics, vol.11, issue.1, pp.371-400, 1979.
DOI : 10.1146/annurev.fl.11.010179.002103

M. Fermigier and P. Jenfer, An experimental investigation of the dynamic contact angle in liquid-liquid systems, Journal of Colloid and Interface Science, vol.146, issue.1, pp.226-241, 1991.
DOI : 10.1016/0021-9797(91)90020-9

M. Gad-el-hak, The Fluid Mechanics of Microdevices???The Freeman Scholar Lecture, Journal of Fluids Engineering, vol.121, issue.1, pp.5-33, 1999.
DOI : 10.1115/1.2822013

P. Garstecki, A. Gañán-calvo, and G. Whitesides, Formation of Droplets and Bubbles in Microfluidic Systems, Bull. Pol. Ac. : Tech, vol.53, issue.4, pp.361-372, 2005.
DOI : 10.1007/978-90-481-9029-4_9

P. De-gennes, Wetting: statics and dynamics, Reviews of Modern Physics, vol.57, issue.3, pp.827-863, 1985.
DOI : 10.1103/RevModPhys.57.827

P. De-gennes, The dynamics of reactive wetting on solid surfaces, Physica A: Statistical Mechanics and its Applications, vol.249, issue.1-4, pp.196-205, 1998.
DOI : 10.1016/S0378-4371(97)00466-4

S. Geoffroy, F. Plouraboué, O. Amyot, and M. Prat, Quasi-static liquid???air drainage in narrow channels with variations in the gap, Journal of Colloid and Interface Science, vol.294, issue.1, p.165, 2006.
DOI : 10.1016/j.jcis.2005.07.008

URL : https://hal.archives-ouvertes.fr/hal-00959373

B. Ginn and O. Steinbock, Polymer Surface Modification Using Microwave-Oven-Generated Plasma, Langmuir, vol.19, issue.19, pp.8117-8118, 2003.
DOI : 10.1021/la034138h

A. Glì-ere and C. Delattre, Modeling and fabrication of capillary stop valves for planar microfluidic systems, Sens. actuators, A Phys, vol.130, issue.31, pp.601-608, 2006.

R. Golestanian, Moving contact lines on heterogeneous substrates, Phil. Trans. R. Soc. Lond. A, vol.362, pp.1613-1623, 2004.

J. Grotberg, Respiratory Fluid Mechanics and Transport Processes, Annual Review of Biomedical Engineering, vol.3, issue.1, pp.421-57, 2001.
DOI : 10.1146/annurev.bioeng.3.1.421

J. Grotberg and O. Jensen, BIOFLUID MECHANICS IN FLEXIBLE TUBES, Annual Review of Fluid Mechanics, vol.36, issue.1, pp.121-168, 2004.
DOI : 10.1146/annurev.fluid.36.050802.121918

A. Günther, M. Jhunjhunwala, M. Thalmann, M. Schmidt, and K. Jensen, Micromixing of Miscible Liquids in Segmented Gas???Liquid Flow, Langmuir, vol.21, issue.4, pp.1547-55, 2005.
DOI : 10.1021/la0482406

M. Hagg, Membrane purification of Cl2 gas -Part I. permeabilities as a function of temperature for Cl2, 2000.

K. Handique, D. Burke, C. Mastrangelo, and M. Burns, On-Chip Thermopneumatic Pressure for Discrete Drop Pumping, Analytical Chemistry, vol.73, issue.8, pp.1831-1838, 2001.
DOI : 10.1021/ac000711f

B. He, N. Patankar, and J. Lee, Multiple Equilibrium Droplet Shapes and Design Criterion for Rough Hydrophobic Surfaces, Langmuir, vol.19, issue.12, pp.4999-5003, 2003.
DOI : 10.1021/la0268348

M. Heil, Minimal liquid bridges in non-axisymmetrically buckled elastic tubes, Journal of Fluid Mechanics, vol.380, pp.309-337, 1999.
DOI : 10.1017/S0022112098003760

M. Heil and A. Hazel, oomph-lib ??? An Object-Oriented Multi-Physics Finite-Element Library, pp.19-49, 2006.
DOI : 10.1007/3-540-34596-5_2

URL : http://eprints.ma.man.ac.uk/1319/01/covered/MIMS_ep2009_79.pdf

R. Hoffman, A study of the advancing interface. I. Interface shape in liquid???gas systems, Journal of Colloid and Interface Science, vol.50, issue.2, pp.228-241
DOI : 10.1016/0021-9797(75)90225-8

N. Ichikawa, K. Hosokawa, and R. Maeda, Interface motion of capillary-driven flow in rectangular microchannel, Journal of Colloid and Interface Science, vol.280, issue.1, pp.155-164, 2004.
DOI : 10.1016/j.jcis.2004.07.017

M. Jensen, G. Goranovic, and H. Bruus, The clogging pressure of bubbles in hydrophilic microchannel contractions, Journal of Micromechanics and Microengineering, vol.14, issue.7, pp.876-883, 2004.
DOI : 10.1088/0960-1317/14/7/006

J. Joanny and M. Robbins, Motion of a contact line on a heterogeneous surface, The Journal of Chemical Physics, vol.92, issue.5, pp.3206-3212, 1990.
DOI : 10.1063/1.458579

P. Joseph and P. Tabeling, Direct measurement of the apparent slip length, Physical Review E, vol.71, issue.3, p.35303, 2005.
DOI : 10.1103/PhysRevE.71.035303

S. Kistler and L. Scriven, Computational analysis of polymer processing., chap. Coating flows, 1983.

C. Lee, H. Homma, and K. Izumi, Surface properties of polidimethylsiloxame/poly(trifluoropropylmethylvinylsiloxane ) blend for outdoor insulator, Trans. Inst. El. Eng. Jap, issue.1, pp.122-112, 2002.

J. Lee, C. Park, and G. Whitesides, Solvent Compatibility of Poly(dimethylsiloxane)-Based Microfluidic Devices, Analytical Chemistry, vol.75, issue.23, pp.6544-54, 2003.
DOI : 10.1021/ac0346712

B. Legait, Influence des forces d'inertie et de viscosité sur la différence de pression nécessaire au passage d'une goutte, immiscible avec le fluide en place, C.R. Acad. Sc. Paris, Série II, vol.292, pp.1111-1114, 1981.

B. Legait, P. Sourieau, and M. Combarnous, Inertia, viscosity, and capillary forces during two-phase flow in a constricted capillary tube, Journal of Colloid and Interface Science, vol.91, issue.2, pp.400-411, 1983.
DOI : 10.1016/0021-9797(83)90353-3

R. Lenormand, Mechanisms of the displacement of one fluid by another in a network of capillary ducts, Journal of Fluid Mechanics, vol.210, issue.-1, pp.337-353, 1983.
DOI : 10.1016/0009-2509(81)80048-6

R. Lenormand and C. Zarcone, Role Of Roughness And Edges During Imbibition In Square Capillaries, SPE Annual Technical Conference and Exhibition, 1984.
DOI : 10.2118/13264-MS

D. Link, S. Anna, D. Weitz, and H. Stone, Geometrically Mediated Breakup of Drops in Microfluidic Devices, Physical Review Letters, vol.92, issue.5, p.54503, 2004.
DOI : 10.1103/PhysRevLett.92.054503

J. Marsh, S. Garoff, V. Dussan, and E. , Dynamic contact angles and hydrodynamics near a moving contact line, Physical Review Letters, vol.70, issue.18, pp.2778-2781, 1993.
DOI : 10.1103/PhysRevLett.70.2778

M. Morra, E. Occhiello, R. Marola, F. Garbasi, P. Humphrey et al., On the aging of oxygen plasma-treated polydimethylsiloxane surfaces, Journal of Colloid and Interface Science, vol.137, issue.1, pp.11-24, 1990.
DOI : 10.1016/0021-9797(90)90038-P

M. Prat, On the influence of pore shape, contact angle and film flows on drying of capillary porous media, International Journal of Heat and Mass Transfer, vol.50, issue.7-8, pp.1455-1468, 2007.
DOI : 10.1016/j.ijheatmasstransfer.2006.09.001

A. Prevost, E. Rolley, and C. Guthmann, Meniscus on a Cesium Substrate, Physical Review Letters, vol.83, issue.2, pp.348-351, 1999.
DOI : 10.1103/PhysRevLett.83.348

S. Quake and A. Scherer, From Micro- to Nanofabrication with Soft Materials, Science, vol.290, issue.5496, pp.1536-1540, 2000.
DOI : 10.1126/science.290.5496.1536

D. Quéré, Sur la vitesse minimale d'´ etalement en mouillage partiel, C.R. Acad. Sc. Paris, Série II, vol.313, pp.313-318, 1991.

D. Quéré, FLUID COATING ON A FIBER, Annual Review of Fluid Mechanics, vol.31, issue.1, pp.347-84, 1999.
DOI : 10.1146/annurev.fluid.31.1.347

E. Raphael and P. De-gennes, Dynamics of wetting with nonideal surfaces. The single defect problem, The Journal of Chemical Physics, vol.90, issue.12, pp.7577-7584, 1989.
DOI : 10.1063/1.456191

S. Reddy, P. R. Schunk, and R. T. Bonnecaze, Dynamics of low capillary number interfaces moving through sharp features, Physics of Fluids, vol.17, issue.12, p.122104, 2005.
DOI : 10.1063/1.2140691

C. Redon, F. Brochard-wyart, and F. Rondelez, Dynamics of dewetting, Physical Review Letters, vol.66, issue.6, pp.715-719, 1991.
DOI : 10.1103/PhysRevLett.66.715

E. Rolley and C. Guthmann, Dynamics and Hysteresis of the Contact Line between Liquid Hydrogen and Cesium Substrates, Physical Review Letters, vol.98, issue.16, pp.98-166105, 2007.
DOI : 10.1103/PhysRevLett.98.166105

M. Sahimi, Flow phenomena in rocks: from continuum models to fractals, percolation, cellular automata, and simulated annealing, Reviews of Modern Physics, vol.65, issue.4, pp.1393-1534, 1993.
DOI : 10.1103/RevModPhys.65.1393

A. Serizawa, Z. Feng, and Z. Kawara, Two-phase flow in microchannels, Experimental Thermal and Fluid Science, vol.26, issue.6-7, pp.6-7, 2002.
DOI : 10.1016/S0894-1777(02)00175-9

H. Song, J. Tice, and R. Ismagilov, A Microfluidic System for Controlling Reaction Networks in Time, Angewandte Chemie International Edition, vol.42, issue.7, pp.768-772, 2003.
DOI : 10.1002/anie.200390203

T. Squires and S. Quake, Microfluidics: Fluid physics at the nanoliter scale, Reviews of Modern Physics, vol.77, issue.3, pp.977-1026, 2005.
DOI : 10.1103/RevModPhys.77.977

J. Stark and M. Manga, The motion of long bubbles in a network of tubes, Transport in Porous Media, vol.40, issue.2, pp.201-218, 2000.
DOI : 10.1023/A:1006697532629

J. Stokes, M. Higgins, &. Kushnick, and S. Bhattacharya, Harmonic generation as a probe of dissipation at a moving contact line, Physical Review Letters, vol.65, issue.15, pp.1885-1888, 1990.
DOI : 10.1103/PhysRevLett.65.1885

H. Stone, A. Stroock, and A. Ajdari, ENGINEERING FLOWS IN SMALL DEVICES, Annual Review of Fluid Mechanics, vol.36, issue.1, pp.381-411, 2004.
DOI : 10.1146/annurev.fluid.36.050802.122124

V. Suresh and J. Grotberg, The effect of gravity on liquid plug propagation in a two-dimensional channel, Physics of Fluids, vol.17, issue.3, p.31507, 2005.
DOI : 10.1063/1.1863853

H. Tanner, The spreading of silicone oil drops on horizontal surfaces, Journal of Physics D: Applied Physics, vol.12, issue.9, pp.1473-1484, 1979.
DOI : 10.1088/0022-3727/12/9/009

A. Tartakovsky and P. Meakin, Modeling of surface tension and contact angles with smoothed particle hydrodynamics, Physical Review E, vol.72, issue.2, p.72, 2005.
DOI : 10.1103/PhysRevE.72.026301

D. C. Tretheway and C. D. Meinhart, Apparent fluid slip at hydrophobic microchannel walls, Physics of Fluids, vol.14, issue.3, pp.9-12, 2002.
DOI : 10.1063/1.1432696

K. Triplett, S. Ghiaasiaan, S. Abdel-khalik, and D. Sadowski, Gas???liquid two-phase flow in microchannels Part I: two-phase flow patterns, International Journal of Multiphase Flow, vol.25, issue.3, 1999.
DOI : 10.1016/S0301-9322(98)00054-8

E. Verneuil, Propriétés d'adhésion et de mouillage de substrats microstructurés, 2005.

H. Wong, C. Radke, and S. Morris, The motion of long bubbles in polygonal capillaries. Part 1. Thin films, Journal of Fluid Mechanics, vol.292, issue.-1, pp.71-94, 1995.
DOI : 10.1016/0021-9797(92)90138-C

Y. Xia and G. Whitesides, Soft Lithography, Angewandte Chemie International Edition, vol.37, issue.5, pp.550-575, 1998.
DOI : 10.1002/(SICI)1521-3773(19980316)37:5<550::AID-ANIE550>3.0.CO;2-G

Y. Zheng, J. Anderson, V. Suresh, and J. Grotberg, Effect of Gravity on Liquid Plug Transport Through an Airway Bifurcation Model, Journal of Biomechanical Engineering, vol.127, issue.5, pp.798-806, 2005.
DOI : 10.1115/1.1992529

M. Zhou and P. Sheng, Dynamics of immiscible-fluid displacement in a capillary tube, Physical Review Letters, vol.64, issue.8, pp.882-885, 1990.
DOI : 10.1103/PhysRevLett.64.882

O. Zienkiewicz and J. Zhu, The superconvergent patch recovery anda posteriori error estimates. Part 1: The recovery technique, International Journal for Numerical Methods in Engineering, vol.31, issue.7, p.1331, 1992.
DOI : 10.1002/nme.1620330702

A. Annexe and . Les, 1 Composition Les microcanaux sont fabriquésfabriquésà partir d'un polymère, Le polymère utilisé au laboratoire est le polydiméthysiloxane (PDMS, Sylgard 184), dont la formule chimique est (H 3 C)[SiO(CH 3 ) 2 ] n Si

P. La-technique-utilisée-pour-concevoir-et-fabriquer-les, est issue de l'industrie microélectronique. La photolithographie s'inspire de la lithographie, technique d'impression du 18èmesì ecle qui permettait d'imprimer plusieurs copies d'un motif en pressant des feuilles de papier contre une pierre calcaire. Sur cettedernì ere, des motifs d'impression avaientété avaientété préalablement tracéstracésà l'encre où a l'aide d'un crayon gras

A. Elles-sont-présentées-sur-la-figure, 1 et sont décrites dans les paragraphes suivants Notons que notre procédé ne comprend pas l'´ etape de lithographie souple, qui consistè a mouleràmoulerà partir des structures en PDMS (microcanaux ou autre type de forme) de nouvellespì eces en polymère, 1998.