– Topology-driven ordering in flocking matter

Amélie Chardac, Ludwig A. Hoffmann, Yoann Poupart, Luca Giomi, Denis Bartolo, submitted  (2021) [pdf] 

– Emergence of dynamical vortex glasses in disordered polar active matter

Amélie Chardac, Suraj Shankar, M. Cristina Marchetti, and Denis Bartolo, Proc. Natl. Acad. USA,  9, 118 (2021) [pdf] [journal]

Our experiments on the  cover of PNAS.

– Flowing emulsions through disorder: Critical depinning and smectic rivers

Marine Le Blay, Mokhtar Adda-Bedia, and Denis Bartolo  Proc. Natl. Acad. USA,

13914, 117 (2020) [pdf][journal]

– Rings rule three-dimensional active matter

Denis Bartolo, Science 367, 1075-1076 (2020) [journal]

– Geometry and Topology Tango in Ordered and Amorphous Chiral Matter

Marcelo Guzman, Denis Bartolo and David Carpentier, submitted  (2020)

– Colloidal transport in bacteria suspensions: from bacteria scattering to anomalous and enhanced diffusion

Antoine Lagarde, Noémie Dagès, Takahiro Nemoto, Vincent Démery, Denis Bartolo, Thomas Gibaud,  Soft Matter, 16 7503-7512  (2020) [Journal][pdf]

– Topological elasticity of non-orientable ribbons

Denis Bartolo and David Carpentier, Physical  Review X, 9, 041058 (2019) [pdf][journal]

– Freezing a Flock: Motility-Induced Phase Separation in Polar Active Liquids

Delphine Geyer, David Martin, Julien Tailleur and Denis Bartolo, Physical Review X, 9, 031043 (2019) [pdf][journal]

see also the viewpoint article by F. Lavergne .

Media coverage: Physics world

– Dynamic  response  and  hydrodynamics  of  polarized crowds

Nicolas Bain and Denis Bartolo, Science 363, 46–49 (2019) [pdf] [journal]

see also the perspective commentary by. N. T. Ouellette.

Selected media coverage: Nature Human behaviourScienceLe Monde, France Inter (1), France Inter (2), France Culture, Frankfürter Allegemeine Zeitung, La Republica, Correiro Brazilienze,  Universciencetv, RTS, ORFLe Temps, Science News, TLE, South China Morning Post, Arte

– The free surface of a colloidal chiral fluid: waves and instabilities from odd stress and Hall viscosity

Vishal Soni, Ephraim Bililign, Sofia Magkiriadou, Stefano Sacanna, Denis Bartolo, Michael J. Shelley, William T. M. Irvine, Nature Physics, 15, 1188–1194 (2019) [pdf][journal][Cover Picture]

see also the News and Views article by Alexander Abanov.

Featured in Physics Today,

– Flowing active liquids in a pipe: Hysteretic response of polar flocks to external fields

Alexandre Morin and Denis Bartolo, Physical Review X  8, 021037 (2018) [pdf][journal]

– Sounds and hydrodynamics of polar active fluids

Delphine Geyer, Alexandre Morin and Denis Bartolo,  Nature Materials 17, 789–793 (2018) [journal]

See also, the Nature Material News and Views paper by J. Dunkel.

– Fast prototyping of silica glass microfluidic chips: the sol-gel route

Michael Levant, Denis Chateau, Stéphane Parola and Denis Bartolo, Advanced Materials Technologies, 1700267 (2018) [pdf] [journal]

– Forced imbibition in porous media: A fourfold scenario 

Céleste Odier, Bertrand Levaché, Enric Santanach-Carreras and Denis Bartolo, Phys. Rev. Lett.  119, 208005 (2017) [pdf][journal]

Editor’s suggestion. Featured in Physics, and  Physics Today.

– Diffusion, subdiffusion and localisation of active colloids in random post lattices

Alexandre Morin, David Lopes Cardozo, Vijayakumar Chikkadi and Denis Bartolo, Phys. Rev. E, 96, 042611 (2017) [pdf][journal]

– Mixing by Unstirring

Joost Weijs and Denis Bartolo, Phys. Rev. Lett., 119 048002  (2017) [pdf][journal]

– Critical mingling and universal correlations in binary active liquids

Nicolas Bain and Denis Bartolo Nature Communications, 15969 (2017) [pdf][journal]

– Topological sound in active-liquid metamaterials

Anton Souslov, Benjamin C. van Zuiden, Denis Bartolo, Vincenzo Vitelli Nature Physics, 13, 1091 (2017) [pdf][Journal]

see also Nature Physics News and Views, journal club for condensed matter

– Distortion and destruction of colloidal flocks in disordered environments

Alexandre Morin, Nicolas Desreumaux, Jean-Baptiste Caussin and Denis Bartolo, Nature Physics, 13, 63 (2017) [pdf][journal]

See also the  News and Views commentary by C. J. Olson Reichhardt and C. Reichhardt

– Spatiotemporal order and emergent edge currents in active spinner materials 

Benjamin C. van Zuiden, Jayson Paulose, William T. M. Irvine, Denis Bartolo, Vincenzo Vitelli, PNAS 113 (46) 12919-12924 (2016) [pdf][journal]

Highlighted in Nature Physics

– Fleeting defects line up

Denis Bartolo, Nature Materials 14, 1084 (2015) [pdf] [journal]

– Emergent hyperuniformity  in periodically-driven emulsions

Joost H. Weijs, Raphaël Jeanneret, Rémi Dreyfus, Denis Bartolo, Phys. Rev. Lett. 115, 108301 (2015) [pdf][journal].

See also  Quanta Magazine.

– Pattern formation in flocking models: A hydrodynamic description

Alexandre P. Solon, Jean-Baptiste Caussin, Denis Bartolo, Hugues Chaté and Julien Tailleur, Phys. Rev. E 92, 062111 (2015) [pdf][journal].

Editor’s suggestion.

– Braiding a Flock: Winding Statistics of Flyign Spins 

Jean-Baptiste Caussin and Denis Bartolo,  Phys. Rev. Lett. 114, 258101 (2015) [pdf][journal]

Editor’s suggestion.

– Emergent vortices in populations of colloidal rollers

Antoine Bricard, Jean-Baptiste Caussin, Debasish Das, Charles Savoie, Vijayakumar Chikkadi, Kyohei Shitara, Oleskar Chepizhko, Fernando Peruani, David Saintillan, and Denis Bartolo,  Nature Communications, 6, 7470 (2015) [pdf][journal]

– Spontaneous flows in suspensions of active cyclic  swimmers

Tommaso Brotto, Denis Bartolo, and David Saintillan, Journal of Nonlinear Science 25,1125(2015) [pdf][journal]

– Optical trapping of interfaces at ultra-low interfacial tension

Lia A. Verhoeff,   Francois Lavergne,  Denis Bartolo,  Dirk G. A. L. Aarts,  and Roel P. A. Dullens, Soft Matter, 11, 3100, (2015) [pdf][journal]

– Geometric capture and escape of a micro swimmer colliding an obstacle

Saverio E. Spagnolie, Gregorio R. Moreno-Flores, Denis Bartolo and Eric Lauga,  Soft Matter, 11, 3396, (2015) [pdf] [journal]

– Collective Motion with Anticipation: Flocking, Spinning, and Swarming

Alexandre Morin, Jean-Baptiste Caussin, Christophe Eloy and Denis Bartolo,  Phys. Rev. E, 91, 012134 (2015) [pdf][journal]

– Maximum Diameter of Impacting Liquid Droplets

Nick Laan, Karla G. de Bruin, Denis Bartolo, Christophe Josserand, and Daniel Bonn, Phys. Rev. Applied, 2, 044018 (2014) [pdf][journal]

– Tailoring the interaction between self-propelled bodies

Jean-Baptiste Caussin and Denis Bartolo,  Europhys. J. E, 37, 55 (2014) [pdf][journal]

– Revisiting the Saffman-Taylor experiment: imbibition patterns and liquid-entrainment transitions

Bertrand Levaché and Denis Bartolo, Phys. Rev. Lett. 113, 044501 (2014) [pdf] [journal]

PRL Cover: vol 113 issue 4

– Emergent spatial structures in flocking models: a dynamical system insight 

Jean-Baptiste Caussin, Alexandre Solon,  Anton Peshkov, Hugues Chaté, Thierry Dauxois, Julien Tailleur, Vincenzo Vitelli, and Denis Bartolo, Phys. Rev. Lett. 112, 148102 (2014) [pdf] [journal].

Highlighted in

– Geometrically-protected reversibility in hydrodynamic Loschmidt-echo experiments 

Raphael Jeanneret and Denis Bartolo, Nature Communications, 5,  3474 (2014) [pdf] [journal]

– Emergence of macroscopic directed motion in populations of motile colloids

Antoine Bricard, Jean-Baptiste Caussin, Nicolas Desreumaux, Olivier Dauchot and Denis Bartolo, Nature 95, 503 (2013) [pdf][journal]

Selected media coverage: Nature News Featureeditorial and News and ViewsThe Guardian, Le Monde, France2 info, RFI, RTSSpiegel,Frankfurter Allgemeinenrc,  Le TempsArstechnicaGalileo, Softbites

 – Viscous fingering at ultralow interfacial tension 

Siti Aminah Setu, Ioannis Zacharoudiou, Gareth J. Davies, Denis Bartolo, Sébastien Moulinet, Ard A. Louis, Julia M. Yeomans and Dirk G. A. L. Aart, Soft Matter 9, 10599 (2013). [pdf] [journal]

– Hydrodynamic Fluctuations in Confined Particle-Laden Fluids

Nicolas Desreumaux, Jean-Baptiste Caussin, Raphael Jeanneret, Eric Lauga, Denis Bartolo, Phys. Rev. Lett. 111118301  (2013). [pdf] [journal]

– Hydrodynamics of confined active fluids

Tommaso Brotto, Jean-Baptiste Caussin, Eric Lauga, and Denis Bartolo, Phys. Rev. Lett., 110, 038101 (2013). [pdf][journal]

-The Fabrication and Assembly of Micron-Sized Superparamagnetic Shapes

Joseph W. Tavacoli, Marc Fermigier, Denis Bartolo, Julien Heuvingh, and Olivia du Roure, Soft Matter, 9, 9103 (2013). [pdf][journal]

– Spontaneous autophoretic motion of isotropic particles

Sébastien Michelin, Eric Lauga, and Denis Bartolo,  Phys. Fluids 25, 061701 (2013). [pdf][journal]

– Elastocapillary self-folding: buckling, wrinkling, and collapse of floating filaments

Arthur A. Evans, Saverio E. Spagnolie, Denis Bartolo, and Eric Lauga, Soft Matter, 9, 1711 (2013). [pdf][journal]

– Microfluidics and Soft-Matter: Small is Useful

Denis Bartolo and Dirk G. A. L. Aarts, Soft Matter,8, 10530  (2012). [pdf][journal]

– Active and driven hydrodynamic crystals

Nicolas Desreumaux, Nicolas Florent, Eric Lauga, and Denis Bartolo, Eur. Phys. J. E, 35, 68 (2012). [pdf][journal]

– Engineering the surface properties of microfluidic stickers

Bertrand Levaché, Ammar Azioune, Maurice Bourel, Vincent Studer and Denis Bartolo, Lab on a Chip12, 3028 (2012). [pdf][journal]

– Hamiltonian traffic dynamics in microfluidic-loop networks

Raphael Jeanneret, Julien-Piera Vest and Denis Bartolo, Phys. Rev. Lett. 108, 034501, (2012). [pdf][journal]

– Geometric scaling of purely-elastic flow instabilities

J. Zilz, R. J. Poole, M. A. Alves, D. Bartolo, B. Levaché and A. Lindner, Journal  of Fluid Mechanics, 712, 203 (2012). [pdf]

– Stability and non-linear response of one-dimensional microfluidic-particle streams

Nicolas Champagne, Eric Lauga and Denis Bartolo, Soft Matter, 7, 11082,  (2011). [pdf][journal]

Collective beating of artificial microcilia

Naïs Coq, Antoine Bricard, Francois-Damien Delapierre, Laurent Malaquin, Olivia du Roure, Marc Fermigier and Denis Bartolo, Phys. Rev. Lett. 107014501, (2011). [pdf][journal]

– Traffic jams and intermittent flows in microfluidic networks

Nicolas Champagne, Romain Vasseur, Adrien Montourcy, and Denis Bartolo, Phys. Rev. Lett., 105, 044502 (2010). [pdf][journal]

– Three-dimensional beating of magnetic microrods

Nais Coq, Sandrine Ngho, Olivia du Roure, Marc Fermigier and Denis Bartolo, Phys. Rev. E, 82, 041503 (2010). [pdf][journal]

– Rotating microflow sensors

Rafaele Attia, Daniel C. Pregibon, Patrick S. Doyle, Denis Bartolo and Jean-Louis Viovy, submitted, (2010). [pdf]

– Shaking-induced motility in suspensions of soft active particles

Denis Bartolo and Eric Lauga, Phys. Rev. E 81, 026312 (2010). [pdf][journal]

Aqueous surfactant drops impacting on hydrophobic surfaces

Salima Rafai, Mounir Aytouna, Gerard Wegdam, Denis Bartolo and Daniel Bonn, Experiments in Fluids, 48, 49 (2010). [pdf][journal]

– Active connectors for microfluidic drops on demand

Jean-Christophe Galas, Denis Bartolo and Vincent Studer, New Journal of physics, 11, 075027 (2009). [pdf][journal]

– Irreversibility and self-organisation in hydrodynamic echo experiments

Gustavo Düring, Denis bartolo and Jorge Kurchan, Physcal Review E (Rapid communication) 79, 030101(R) (2009). [pdf][journal]

Soft microflow sensors

Rafaele Attia, Daniel C. Pregibon, Patrick S. Doyle, Jean-Louis Viovy and Denis Bartolo, Lab on a Chip 9, 1213 (2009). [pdf][journal]

– Microfluidic stickers for cell-based assays in microchannels

Mathieu Morel, Denis Bartolo, Jean-Christophe Galas, Maxime Dahan and Vincent Studer, Lab on a Chip 9, 1011 (2009). [pdf][journal]

– Helical beating of actuated flexible filaments

Nais Coq, Olivia du Roure, Marc Fermigier and Denis Bartolo, J. Phys. Cond. Mat. 21, 204109  (2009). [pdf][journal]

Equilibrium and non-equilibrium states in microfluidic double emulsions

Nicolas Pannacci, Henrik Bruus, Denis Bartolo, Isabelle Etchart, Thibaut Lockhart, Yves hennequin, Hervé Willaime and Patrick Tabeling, Phys. Rev. Lett. 101, 164502 (2008). [pdf][journal]

No many-scallop theorem: Collective locomotion of reciprocal swimmers

Eric Lauga and Denis Bartolo, Physical Review E (Rapid communication) 78, 030901(R) (2008). [pdf][journal]

– Rotational dynamics of a soft filament: wrapping transition and propulsive forces

Nais Coq, Olivia du Roure, Joel Marthelot, Denis Bartolo and Marc Fermigier, Physics of Fluids 20, 051703 (2008). [pdf][journal]

– Microfluidic Stickers

Denis Bartolo, Guillaume Degré, Philippe Nghe and Vincent Studer, Lab on a chip 8, 274 (2008). [pdf][journal]

– Life and death of Fakir droplets: impalement transition on micro-patterned surfaces

Sébastien Moulinet and Denis Bartolo , Eur. Phys. J. E. 24, 251 (2007). [pdf][journal]

see also: The sad fate of a “fakir droplet” in Europhysics News.

– Dynamics of non-Newtonian droplets

Denis Bartolo, Grégoire Narcy, Aresky Boudaoud and Daniel Bonn, Phys. Rev. Lett. 99, 174502 (2007). [pdf][journal]

– Microfluidc Stickers for quantitative studies of cultured cells

Mathieu Morel , Denis Bartolo, Maxime Dahan , Vincent Studer, MicroTAS proceeding 1, 161 (2007). [pdf]

– Soft Flow Sensors

R. Attia, D. Pregibon, P. Doyle, J.-L. Viovy and D. Bartolo, MicroTAS proceeding 2, 1146 (2007). [pdf]

– Stick and Flow

Denis Bartolo, Guillaume Degré, Philippe Nghe and Vincent Studer MicroTAS proceeding 2, 1152 (2007). [pdf]

­- Drop impact on solid surfaces: Singular jets and bubbles trapping

Denis Bartolo, Christophe Josserand and Daniel Bonn, Phys. Rev. Lett. 96, 124501 (2006). [pdf][journal]

In the press: Nature Highlights, Nature Physics Highlights, CERN Courier, Frankfurter Allgemeine, GEO Magazine, …

– Bouncing or sticky droplets: impalement transitions on micropatterned surfaces

Denis Bartolo, et al., Europhysics Letters 74, 299(2006). [pdf][journal]

– Retraction dynamics of aquous drops upon impact on nonwetting surfaces.

Denis Bartolo, Christophe Josserand and Daniel Bonn, J. Fluid. Mech 545, 329 (2005). [pdf][journal]

– ­ Effects of Intermediate Bound States in Dynamic Force Spectroscopy

Imre Derenyi, Denis Bartolo and Armand Ajdari, Biophysical Journal 86, 1263 (2004). [pdf][journal]

– Effective interactions between inclusions in complex fluids driven out of equilibrium

Denis Bartolo, Jean-Baptiste Fournier and Armand Ajdari, Phys. Rev. E. 67, 061112 (2003). [pdf][journal]

– ­ Elastic interaction between ”hard” or ”soft” pointwise inclusions on biological membranes

Denis Bartolo and Jean-Baptiste Fournier, Eur. Phys. J. E,11, 141 (2003). [pdf][journal]

-­ Fluctuations of fluctuations induced thermal Casimir forces

Denis Bartolo,  Armand Ajdari, Jean-Baptiste Fournier and Ramin Golestanian  Phys. Rev. Lett 89, 230601-1 (2002). [pdf][journal]

-­ Dynamic response of adhesion complexes : beyond the single path picture

Denis Bartolo, Irme Derenyi and Armand Ajdari, Phys. Rev. E. 65, 051910 (2002). [pdf][journal]

-­ Long-range Casimir interactions between impurities in nematic liquid crystals and the collapse of polymer chains in such solvents

Denis Bartolo, Didier Long and Jean-Baptiste Fournier, Europhys. Lett. 49, 729 (2000). [pdf][journal]

 Patents :

–  Production of microfluidic polymeric devices by photo-assited and/or thermally assisted printing

Denis Bartolo, Guillaume Degré and Vincent Studer, Patent Grant number: 8636022.

– Microfluidic system for controlling the concentration of molecules for stimulating a target

Denis Bartolo, Maxime, Dahan, Jean-Christiophe Galas, Mathieu Morel, Vincent Studer, Patent Grant number: 9164083

Surface treatment of microfluidic devices 

Bertrand Levaché, Amar Azioune, Maurice Bourrel, Vincent Studer and Denis Bartolo, WO2013136003A2, (2012)

Method for producing a  microfluidic device

Michael LEVANTDenis BartoloStephane ParolaDenis Chateau, WO2019048900A1, (2017)