64 citations · 181 across the 13 of their papers we have counts for
13 papers
Magnetic active matter across scales
Francisca Guzmán-Lastra, Margaret Rosenberg, Marco Musacchio +2
Magnetic interactions provide a versatile and powerful tool for controlling and organizing active matter, where individual units continuously consume energy to drive autonomous mot…
Emergence of beating in a magnetic flagellum consisting of active bots
Francisca Guzmán-Lastra, Daniel Hernández, Nicolás Quintriqueo +2
We investigate the emergence of flagellar beating in chains of magnetic self--propelled particles (MSPPs) built from centimeter--scale vibrating robots (Hexbugs) with embedded neod…
Collective phases in overdamped magnetic self-propelled spherocylinders
Francisca Guzmán-Lastra, Néstor Sepúlveda
We study the collective dynamics of self-propelled spherocylinders carrying magnetic dipole moments in two dimensions. Magnetic interactions are modeled as two opposite monopoles $…
Confined floating active carpets generate coherent vortical flows that enhance transport
Felipe A. Barros, Italo Salas, Enkeleida Lushi +1
Slicks are thin viscous films that can be found at the air--water interface of water bodies such as lakes, rivers and oceans. These micro-layers are enriched in surfactants, organi…
Micro-swimmer locomotion and hydrodynamics in Brinkman Flows
Francisca Guzman-Lastra, Enkeleida Lushi
Micro-swimmer locomotion in heterogeneous media is increasingly relevant in biological physics due to the prevalence of microorganisms in complex environments. A model for such por…
Active Carpets in floating viscous films
Felipe A. Barros, Hugo N. Ulloa, Gabriel Aguayo +2
Earth's aquatic environments are inherently stratified layered systems where interfaces between layers serve as ecological niches for microbial swimmers, forming colonies known as…
Dynamics of magnetic self-propelled particles in a harmonic trap
Pamela Muñoz Obreque, Oscar Garrido, Diego Romero +2
Artificial active particles, exemplified by Hexbugs (HB), serve as valuable tools for investigating the intricate dynamics of active matter systems. Leveraging their stochastic mot…
Floating active carpets drive transport and aggregation in aquatic ecosystems
Gabriel Aguayo, Arnold J. T. M. Mathijssen, Hugo N. Ulloa +2
Communities of swimming microorganisms often thrive near liquid-air interfaces. We study how such `active carpets' shape their aquatic environment by driving biogenic transport in…
Macroscopic bioinspired magnetic active matter and the physical limits of magnetotaxis
Néstor Sepúlveda, Francisca Guzmán-Lastra, Miguel Carrasco +4
Magnetotactic bacteria (MTB) are endowed with an exquisite orientation mechanism allowing them to swim along the geomagnetic field lines. This mechanism consists of a chain of bio-…
Towards an analytical description of active microswimmers in clean and in surfactant-covered drops
Alexander R. Sprenger, Vaseem A. Shaik, Arezoo M. Ardekani +6
Geometric confinements are frequently encountered in the biological world and strongly affect the stability, topology, and transport properties of active suspensions in viscous flo…
Membrane penetration and trapping of an active particle
Abdallah Daddi-Moussa-Ider, Segun Goh, Benno Liebchen +6
The interaction between nano- or micro-sized particles and cell membranes is of crucial importance in many biological and biomedical applications such as drug and gene delivery to…
Nutrient transport driven by microbial active carpets
Arnold J. T. M. Mathijssen, Francisca Guzmán-Lastra, Andreas Kaiser +1
We demonstrate that active carpets of bacteria or self-propelled colloids generate coherent flows towards the substrate, and propose that these currents provide efficient pathways…
Fission and fusion scenarios for magnetic microswimmer clusters
Francisca Guzmán-Lastra, Andreas Kaiser, Hartmut Löwen
Fission and fusion processes of particles clusters occur in many areas of physics and chemistry from subnuclear to astronomic length scales. Here we study fission and fusion of mag…