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2020


Interface-mediated spontaneous symmetry breaking and mutual communication between drops containing chemically active particles
Interface-mediated spontaneous symmetry breaking and mutual communication between drops containing chemically active particles

Singh, D., Domínguez, A., Choudhury, U., Kottapalli, S., Popescu, M., Dietrich, S., Fischer, P.

Nature Communications, 11(2210), May 2020 (article)

Abstract
Symmetry breaking and the emergence of self-organized patterns is the hallmark of com- plexity. Here, we demonstrate that a sessile drop, containing titania powder particles with negligible self-propulsion, exhibits a transition to collective motion leading to self-organized flow patterns. This phenomenology emerges through a novel mechanism involving the interplay between the chemical activity of the photocatalytic particles, which induces Mar- angoni stresses at the liquid–liquid interface, and the geometrical confinement provided by the drop. The response of the interface to the chemical activity of the particles is the source of a significantly amplified hydrodynamic flow within the drop, which moves the particles. Furthermore, in ensembles of such active drops long-ranged ordering of the flow patterns within the drops is observed. We show that the ordering is dictated by a chemical com- munication between drops, i.e., an alignment of the flow patterns is induced by the gradients of the chemicals emanating from the active particles, rather than by hydrodynamic interactions.

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Axisymmetric spheroidal squirmers and self-diffusiophoretic particles

Pöhnl, R., Popescu, M. N., Uspal, W. E.

Journal of Physics: Condensed Matter, 32(16), IOP Publishing, Bristol, 2020 (article)

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Tracer diffusion on a crowded random Manhattan lattice

Mej\’\ia-Monasterio, C., Nechaev, S., Oshanin, G., Vasilyev, O.

New Journal of Physics, 22(3), IOP Publishing, Bristol, 2020 (article)

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Wetting transitions on soft substrates

Napiorkowski, M., Schimmele, L., Dietrich, S.

{EPL}, 129(1), EDP Science, Les-Ulis, 2020 (article)

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Blessing and Curse: How a Supercapacitor Large Capacitance Causes its Slow Charging

Lian, C., Janssen, M., Liu, H., van Roij, R.

Physical Review Letters, 124(7), American Physical Society, Woodbury, N.Y., 2020 (article)

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Interplay of quenching temperature and drift in Brownian dynamics

Khalilian, H., Nejad, M. R., Moghaddam, A. G., Rohwer, C. M.

EPL, 128(6), EDP Science, Les-Ulis, 2020 (article)

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Fractal-seaweeds type functionalization of graphene

Amsharov, K., Sharapa, D. I., Vasilyev, O. A., Martin, O., Hauke, F., Görling, A., Soni, H., Hirsch, A.

Carbon, 158, pages: 435-448, Elsevier, Amsterdam, 2020 (article)

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Effective pair interaction of patchy particles in critical fluids

Farahmand Bafi, N., Nowakowski, P., Dietrich, S.

The Journal of Chemical Physics, 152(11), American Institute of Physics, Woodbury, N.Y., 2020 (article)

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Cassie-Wenzel transition of a binary liquid mixture on a nanosculptured surface

Singh, S. L., Schimmele, L., Dietrich, S.

Physical Review E, 101(5), American Physical Society, Melville, NY, 2020 (article)

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Adopting the Boundary Homogenization Approximation from Chemical Kinetics to Motile Chemically Active Particles

Popescu, M. N., Uspal, W. E.

In Chemical Kinetics, pages: 517-540, World Scientific, New Jersey, NJ, 2020 (incollection)

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Energy storage in steady states under cyclic local energy input

Zhang, Y., Holyst, R., Maciolek, A.

Physical Review E, 101(1), American Physical Society, Melville, NY, 2020 (article)

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Numerical simulations of self-diffusiophoretic colloids at fluid interfaces

Peter, T., Malgaretti, P., Rivas, N., Scagliarini, A., Harting, J., Dietrich, S.

Soft Matter, 16(14):3536-3547, Royal Society of Chemistry, Cambridge, UK, 2020 (article)

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2016


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Self-diffusiophoresis of chemically active colloids

Popescu, M. N., Uspal, W. E., Dietrich, S.

The European Physical Journal Special Topics, 225(11-12):2189-2206, 2016 (article)

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2016


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Perpetual superhydrophobicity

Giacomello, A., Schimmele, L., Dietrich, S., Tasinkevych, M.

Soft Matter, 12, pages: 8927-8934, Royal Society of Chemistry, Cambridge, UK, 2016 (article)

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Molecular dynamics simulation of a binary mixture near the lower critical point

Pousaneh, F., Edholm, O., Maciolek, A.

The Journal of Chemical Physics, 145(1), American Institute of Physics, Woodbury, N.Y., 2016 (article)

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Effective Interaction between Active Colloids and Fluid Interfaces Induced by Marangoni Flows

Dom\’\inguez, A., Malgaretti, P., Popescu, M. N., Dietrich, S.

Physical Review Letters, 116, American Physical Society, Woodbury, N.Y., 2016 (article)

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Dynamics of Novel Photoactive AgCl Microstars and Their Environmental Applications

Simmchen, J., Baeza, A., Miguel-Lopez, A., Stanton, M. M., Vallet-Regi, M., Ruiz-Molina, D., Sánchez, S.

ChemNanoMat, 3(1):65-71, Wiley, Weinheim, 2016 (article)

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Wetting hysteresis induced by nanodefects

Giacomello, A., Schimmele, L., Dietrich, S.

Proceedings of the National Academy of Sciences of the United States of America, 113(3):E262-E271, National Academy of Sciences, Washington, D.C., 2016 (article)

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Three-phase contact line and line tension of electrolyte solutions in contact with charged substrates

Ibagon, I., Bier, M., Dietrich, S.

Journal of Physics: Condensed Matter, 28(24), IOP Publishing, Bristol, 2016 (article)

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Smart biosensors for multiplexed and fully integrated point-of-care diagnostics

Romeo, A., Leung, T. S., Sanchez, S.

Lab on a Chip, 16(11):1957-1961, Royal Society of Chemistry, Cambridge, 2016 (article)

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The sequential activation of the mitotic microtubule assembly pathways favors bipolar spindle formation

Cavazza, T., Malgaretti, P., Vernos, I.

Molecular Biology of the Cell, 27(19):2935-2945, American Society for Cell Biology, 2016 (article)

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Entropically induced asymmetric passage times of charged tracers across corrugated channels

Malgaretti, P., Pagonabarraga, I., Rubi, J. M.

The Journal of Chemical Physics, 144(3), American Institute of Physics, Woodbury, N.Y., 2016 (article)

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Diffusion im Zentrifugalpotential

Totikos, Vangelis

Universität Stuttgart, Stuttgart, 2016 (mastersthesis)

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Topographical pathways guide chemical microswimmers

Simmchen, J., Katuri, J., Uspal, W., Popescu, M. N., Tasinkevych, M., Sanchez, S.

Nature Communications, 7, Nature Publishing Group, London, 2016 (article)

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Fluctuational electrodynamics for nonlinear media

Soo, H., Krüger, M.

EPL, 115(4), EDP Science, Les-Ulis, 2016 (article)

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Poisson-Boltzmann study of the effective electrostatic interaction between colloids at an electrolyte interface

Majee, A., Bier, M., Dietrich, S.

The Journal of Chemical Physics, 145(6), American Institute of Physics, Woodbury, N.Y., 2016 (article)

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Bubble-Free Propulsion of Ultrasmall Tubular Nanojets Powered by Biocatalytic Reactions

Ma, X., Hortelao, A. C., Miquel-Lopez, A., Sanchez, S.

Journal of the American Chemical Society, 138(42):13782-13785, American Chemical Society, Washington, DC, 2016 (article)

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Wetting and orientation of catalytic Janus colloids at the surface of water

Wang, X., In, M., Blanc, C., Malgaretti, P., Nobilia, M., Stocco, A.

Faraday Discussions, 191, pages: 305-324, Royal Society of Chemistry, London, 2016 (article)

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Collective dynamics of chemically active particles trapped at a fluid interface

Dom\’\inguez, A., Malgaretti, P., Popescu, M. N., Dietrich, S.

Soft Matter, 12(40):8398-8406, Royal Society of Chemistry, Cambridge, UK, 2016 (article)

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Guiding Catalytically Active Particles with Chemically Patterned Surfaces

Uspal, W. E., Popescu, M. N., Dietrich, S., Tasinkevych, M.

Physical Review Letters, 117(4), American Physical Society, Woodbury, N.Y., 2016 (article)

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Structure and dynamics of binary liquid mixtures near their continuous demixing transitions

Roy, S., Höfling, F., Dietrich, S.

The Journal of Chemical Physics, 145(4), American Institute of Physics, Woodbury, N.Y., 2016 (article)

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A dynamic DFT approach to generalized diffusion equations in a system with long-ranged and hydrodynamic interactions

Bleibel, J., Dominguez, A., Oettel, M.

Journal of Physics: Condensed Matter, 28(24), IOP Publishing, Bristol, 2016 (article)

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Rectification and Non-Gaussian Diffusion in Heterogeneous Media

Malgaretti, P., Pagonabarraga, I., Rubi, J. M.

Entropy, 18(11), Molecular Diversity Preservation International, Basel, 2016 (article)

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Lateral critical Casimir force in two\textendashdimensional inhomogeneous Ising strip. Exact results

Nowakowski, P., Napiorkowski, M.

The Journal of Chemical Physics, 144(21), 2016 (article)

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Tailoring three-dimensional architectures by rolled-up nanotechnology for mimicking microvasculatures

Arayanarakool, R., Meyer, A. K., Helbig, L., Sanchez, S., Schmidt, O. G.

Lab on a Chip, 15(14):2981-2989, Royal Society of Chemistry, Cambridge, 2016 (article)

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Flexible sensors for biomedical technology

Vilela, D., Romeo, A., Sanchez, S.

Lab on a Chip, 16(3):402-408, 2016 (article)

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Mechanical stability of bipolar spindle assembly

Malgaretti, P., Muhuri, S.

EPL, 115(2), EDP Science, Les-Ulis, 2016 (article)

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Reversed Janus micro/nanomotors with internal chemical engine

Ma, X., Jang, S., Popescu, M. N., Uspal, W. E., Miguel-López, A., Hahn, K., Kim, D., Sanchez, S.

ACS Nano, 10(9):8751-8759, American Chemical Society, Washington, DC, 2016 (article)

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Driven colloidal fluids: construction of dynamical density functional theories from exactly solvable limits

Scacchi, A., Krüger, M., Brader, J. M.

Journal of Physics: Condensed Matter, 28(24), IOP Publishing, Bristol, 2016 (article)

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Flight of a heavy particle nonlinearly coupled to a quantum bath

Maghrebi, M. F., Krüger, M., Kardar, M.

Physical Review B, 93(1), American Physical Society, Woodbury, NY, 2016 (article)

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Critical Casimir forces between defects in the 2D Ising model

Nowakowski, P., Maciolek, A., Dietrich, S.

Journal of Physics A: Mathematical and Theoretical, 49(48), IOP Pub., Bristol, 2016 (article)

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Miniaturized soft bio-hybrid robotics: a step forward into healthcare applications

Patino, T., Mestre, R., Sanchez, S.

Lab on a Chip, 16(19):3626-3630, Royal Society of Chemistry, Cambridge, 2016 (article)

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Characterizing anomalous diffusion in crowded polymer solutions and gels over five decades in time with variable-lengthscale fluorescence correlation spectroscopy

Banks, Daniel S, Tressler, Charmaine, Peters, Robert D, Höfling, Felix, Fradin, Cécile

Soft Matter, 12(18):4190-4203, Royal Society of Chemistry, Cambridge, UK, 2016 (article)

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Slip Length Enhancement in Nanofluidic Flow using Nanotextured Superhydrophobic Surfaces

Heverhagen, Jonas, Tasinkevych, M., Rahman, A., Black, C.T., Checco, A.

Advanced Materials Interfaces, 3(17), Wiley-VCH, Weinheim, 2016 (article)

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Electromagnetic radiation in complex environments: Many body systems and background medium

Müller, Boris

Universität Stuttgart, Stuttgart, 2016 (mastersthesis)

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Active colloids at fluid interfaces

Malgaretti, P., Popescu, M. N., Dietrich, S.

Soft Matter, 12(17):4007-4023, Royal Society of Chemistry, Cambridge, UK, 2016 (article)

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Critical adsorption and critical Casimir forces in the canonical ensemble

Gross, M., Vasilyev, O., Gambassi, A., Dietrich, S.

Physical Review E, 94(2), American Physical Society, Melville, NY, 2016 (article)

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Critical Casimir interactions between Janus particles

Labbe-Laurent, M., Dietrich, S.

Soft Matter, 12(31):6621-6648, Royal Society of Chemistry, Cambridge, UK, 2016 (article)

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Motion Control of Urea-Powerde Biocompatible Hollow Microcapsule

Ma, X., Wang, X., Hahn, K., Sanchez, S.

ACS Nano, 10(3):3597-3605, American Chemical Society, Washington, DC, 2016 (article)

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Enzyme Catalysis To Power Micro/Nanomachines

Ma, X., Hortelao, A. C., Patino, T., Sanchez, S.

ACS Nano, 10(10):9111-9122, American Chemical Society, Washington, DC, 2016 (article)

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