Search Results - "Lozano, Celia"

Phototaxis of synthetic microswimmers in optical landscapes by Lozano, Celia, ten Hagen, Borge, Löwen, Hartmut, Bechinger, Clemens

“…Many microorganisms, with phytoplankton and zooplankton as prominent examples, display phototactic behaviour, that is, the ability to perform directed motion…”
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Diffusing wave paradox of phototactic particles in traveling light pulses by Lozano, Celia, Bechinger, Clemens

“…Cells navigate through complex surroundings by following cues from their environment. A prominent example is Dictyostelium, which is directed by chemotaxis…”
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Tuning the motility and directionality of self-propelled colloids by Gomez-Solano, Juan Ruben, Samin, Sela, Lozano, Celia, Ruedas-Batuecas, Pablo, van Roij, René, Bechinger, Clemens

“…Microorganisms are able to overcome the thermal randomness of their surroundings by harvesting energy to navigate in viscous fluid environments. In a similar…”
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Silo clogging reduction by the presence of an obstacle by Zuriguel, Iker, Janda, Alvaro, Garcimartín, Angel, Lozano, Celia, Arévalo, Roberto, Maza, Diego

“…We present experimental results on the effect that inserting an obstacle just above the outlet of a silo has on the clogging process. We find that, if the…”
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Role of cohesion in the flow of active particles through bottlenecks by Knippenberg, Timo, Lüders, Anton, Lozano, Celia, Nielaba, Peter, Bechinger, Clemens

“…We experimentally and numerically study the flow of programmable active particles (APs) with tunable cohesion strength through geometric constrictions. Similar…”
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Run-and-tumble-like motion of active colloids in viscoelastic media by Lozano, Celia, Gomez-Solano, Juan Ruben, Bechinger, Clemens

“…Run-and-tumble motion is a prominent locomotion strategy employed by many living microorganisms. It is characterized by straight swimming intervals (runs),…”
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Dynamics of breaking arches under a constant vibration by Guerrero, Bruno, Lozano, Celia, Zuriguel, Iker, Garcimartín, Angel

“…Granular flow through an orifice can be suddenly halted by the formation of arches in the vicinity of the outlet, which are stable under the action of gravity…”
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Cluster splitting in granular segregation driven by horizontal shaking by Garcimartín, Angel, Larrea, Ignacio, Lozano, Celia, Zuriguel, Iker

“…In a recent work [C. Lozano et al. Phys. Rev. Lett 114, 178002 (2015)] segregation in an horizontally shaken granular layer was studied by analysing the…”
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COVID-19 in Relation to Polypharmacy and Immunization (2020-2024) by Puigdellívol-Sánchez, Anna, Juanes-González, Marta, Calderón-Valdiviezo, Ana, Valls-Foix, Roger, González-Salvador, Marta, Lozano-Paz, Celia, Vidal-Alaball, Josep

“…Observational studies reported worse COVID-19 evolution in relation to polypharmacy and reductions in COVID-19 hospital admissions and death in patients…”
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Simulation of counterflow pedestrian dynamics using spheropolygons by Alonso-Marroquín, Fernando, Busch, Jonathan, Chiew, Coraline, Lozano, Celia, Ramírez-Gómez, Álvaro

“…Pedestrian dynamic models are typically designed for comfortable walking or slightly congested conditions and typically use a single disk or combination of…”
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Active particles sense micromechanical properties of glasses by Lozano, Celia, Gomez-Solano, Juan Ruben, Bechinger, Clemens

“…Understanding the mechanical properties of glasses is a great scientific challenge. A powerful technique to study the material response on a microscopic scale…”
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Autonomously Probing Viscoelasticity in Disordered Suspensions by Abaurrea-Velasco, Clara, Lozano, Celia, Bechinger, Clemens, de Graaf, Joost

“…Recent experiments show a strong rotational diffusion enhancement for self-propelled microrheological probes in colloidal glasses. Here, we provide microscopic…”
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Erratum: Autonomously Probing Viscoelasticity in Disordered Suspensions [Phys. Rev. Lett. 125, 258002 (2020)] by Abaurrea-Velasco, Clara, Lozano, Celia, Bechinger, Clemens, de Graaf, Joost

“…This corrects the article DOI: 10.1103/PhysRevLett.125.258002…”
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Clogging transition of many-particle systems flowing through bottlenecks by Zuriguel, Iker, Parisi, Daniel Ricardo, Hidalgo, Raúl Cruz, Lozano, Celia, Janda, Alvaro, Gago, Paula Alejandra, Peralta, Juan Pablo, Ferrer, Luis Miguel, Pugnaloni, Luis Ariel, Clément, Eric, Maza, Diego, Pagonabarraga, Ignacio, Garcimartín, Angel

“…When a large set of discrete bodies passes through a bottleneck, the flow may become intermittent due to the development of clogs that obstruct the…”
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Breaking arches with vibrations: the role of defects by Lozano, Celia, Lumay, Geoffroy, Zuriguel, Iker, Hidalgo, R C, Garcimartín, Angel

“…We present experimental and numerical results regarding the stability of arches against external vibrations. Two-dimensional strings of mutually stabilizing…”
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Suicide Classification for News Media Using Convolutional Neural Networks by Bello, Hugo J., Palomar-Ciria, Nora, Baca-García, Enrique, Lozano, Celia

“…Currently, the process of evaluating suicide is highly subjective, which limits the efficacy and accuracy of prevention efforts. Artificial intelligence (AI)…”
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Examining the relationship between COVID-19 and suicide in media coverage through Natural Language Processing analysis by Bello, Hugo J., Palomar-Ciria, Nora, Lozano, Celia, Gutiérrez-Alonso, Carlos, Baca-García, Enrique

“…Suicide is a major public health concern, media can influence its awareness, contagion, and prevention. In this study, we evaluated the relationship between…”
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Realization of a motility-trap for active particles by Jahanshahi, Soudeh, Lozano, Celia, Liebchen, Benno, Löwen, Hartmut, Bechinger, Clemens

“…Trapping of atomic and mesoscopic particles with optical fields is a practical technique employed in many research disciplines. Developing similar trapping…”
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News Media and Suicide: Using Big Data Techniques to Assess the Long-Term Impact by Palomar-Ciria, Nora, Bello, Hugo J., Lozano, Celia, Cegla-Schvartzman, Fanny, Migoya-Borja, Marta, Baca-García, Enrique

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Flow and clogging in a silo with an obstacle above the orifice by Lozano, Celia, Janda, Alvaro, Garcimartín, Angel, Maza, Diego, Zuriguel, Iker

“…In a recent paper [Zuriguel et al., Phys. Rev. Lett. 107, 278001 (2011)] it has been shown that the presence of an obstacle above the outlet can…”
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