Igor Aronson

Co-Director of the Center for Mathematics of Living and Mimetic Matter; Huck Chair Professor of Biomedical Engineering, Chemistry and Mathematics

Igor Aronson

Huck Affiliations

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Bacteria Lasers Colloids Turbulence Suspensions Liquid Crystals Vortices Physics Extrusion Defects Communication Lithography Acoustics Tuning Birds Interactions Microchannels Nanopillars Nonequilibrium Engineering Systems Engineering Students Ecology Propulsion Free Energy

Most Recent Publications

Spontaneous shock waves in pulse-stimulated flocks of Quincke rollers

Bo Zhang, Andreas Glatz, Igor S. Aranson, Alexey Snezhko, 2023, Nature Communications

Ultrasound Manipulation and Extrusion of Active Nanorods

Leonardo Dominguez Rubio, Matthew Collins, Ayusman Sen, Igor S. Aranson, 2023, Small

Viscoelasticity enhances collective motion of bacteria

Wentian Liao, Igor S. Aranson, 2023, PNAS Nexus

Programming motion of platinum microparticles: From linear to orbital

Angus Unruh, Alan Brooks, Igor Aranson, Ayusman Sen, 2023, ACS Applied Engineering Materials on p. 1126-1133

Multifunctional Chiral Chemically-Powered Micropropellers for Cargo Transport and Manipulation

Ashlee D. McGovern, Mu Jie Huang, Jiyuan Wang, Raymond Kapral, Igor S. Aranson, 2023, Small

Multi-scale organization in communicating active matter

Alexander Ziepke, Ivan Maryshev, Igor S. Aranson, Erwin Frey, 2022, Nature Communications

Spontaneous polarization and cell guidance on asymmetric nanotopography

Corey Herr, Benjamin Winkler, Falko Ziebert, Igor S. Aranson, John T. Fourkas, Wolfgang Losert, 2022, Communications Physics

Forces that control self-organization of chemically-propelled Janus tori

Jiyuan Wang, Mu Jie Huang, Remmi D. Baker-Sediako, Raymond Kapral, Igor S. Aranson, 2022, Communications Physics

Non-symmetric pinning of topological defects in living liquid crystals

Nuris Figueroa-Morales, Mikhail M. Genkin, Andrey Sokolov, Igor S. Aranson, 2022, Communications Physics

Suppression of bacterial rheotaxis in wavy channels

Winfried Schmidt, Igor S. Aranson, Walter Zimmermann, 2022, Physical Review Research

Most-Cited Papers

Living liquid crystals

Shuang Zhou, Andrey Sokolov, Oleg D. Lavrentovich, Igor S. Aranson, 2014, Proceedings of the National Academy of Sciences of the United States of America on p. 1265-1270

The 2020 motile active matter roadmap

Gerhard Gompper, Roland G. Winkler, Thomas Speck, Alexandre Solon, Cesare Nardini, Fernando Peruani, Hartmut Löwen, Ramin Golestanian, U. Benjamin Kaupp, Luis Alvarez, Thomas Ki rboe, Eric Lauga, Wilson C.K. Poon, Antonio Desimone, Santiago Muiños-Landin, Alexander Fischer, Nicola A. Söker, Frank Cichos, Raymond Kapral, Pierre Gaspard, Marisol Ripoll, Francesc Sagues, Amin Doostmohammadi, Julia M. Yeomans, Igor S. Aranson, Clemens Bechinger, Holger Stark, Charlotte K. Hemelrijk, Fran ois J. Nedelec, Trinish Sarkar, Thibault Aryaksama, Mathilde Lacroix, Guillaume Duclos, Victor Yashunsky, Pascal Silberzan, Marino Arroyo, Sohan Kale, 2020, Journal of Physics Condensed Matter

Transport powered by bacterial turbulence

Andreas Kaiser, Anton Peshkov, Andrey Sokolov, Borge Ten Hagen, Hartmut Löwen, Igor S. Aranson, 2014, Physical Review Letters on p. 158101

Flocking ferromagnetic colloids

Andreas Kaiser, Alexey Snezhko, Igor S. Aranson, 2017, Science advances on p. e1601469

Active turbulence in a gas of self-assembled spinners

Gašper Kokot, Shibananda Das, Roland G. Winkler, Gerhard Gompper, Igor S. Aranson, Alexey Snezhko, 2017, Proceedings of the National Academy of Sciences of the United States of America on p. 12870-12875

Collisions of deformable cells lead to collective migration

Jakob Löber, Falko Ziebert, Igor S. Aranson, 2015, Scientific Reports

Topological defects in a living nematic ensnare swimming bacteria

Mikhail M. Genkin, Andrey Sokolov, Oleg D. Lavrentovich, Igor S. Aranson, 2017, Physical Review X on p. 011029

Tuning antimicrobial properties of biomimetic nanopatterned surfaces

Martyna Michalska, Francesca Gambacorta, Ralu Divan, Igor S. Aranson, Andrey Sokolov, Philippe Noirot, Philip D. Laible, 2018, Nanoscale on p. 6639-6650

Collective motion of self-propelled particles with memory

Ken H. Nagai, Yutaka Sumino, Raul Montagne, Igor S. Aranson, Hugues Chaté, 2015, Physical Review Letters on p. 168001

Engineering bacterial vortex lattice via direct laser lithography

Daiki Nishiguchi, Igor S. Aranson, Alexey Snezhko, Andrey Sokolov, 2018, Nature Communications

News Articles Featuring Igor Aronson

Dec 07, 2023

Spinning up control: Propeller shape helps direct nanoparticles, researchers say

An international team of researchers has developed an approach to rein in the synthetic self-propelled nanoparticles

Full Article

Dec 05, 2023

Bacteria's mucus maneuvers: Study reveals how snot facilitates infection

New study shows thicker mucus supercharges bacteria’s ability to self-organize into swarms to spread infection

Full Article

Jun 15, 2023

Penn State researchers use ultrasound to control orientation of small particles

Acoustic waves may be able to control how particles sort themselves. While researchers have been able to separate particles based on their shape — for example, bacteria from other cells — for years, the ability to control their movement has remained a largely unsolved problem, until now.

Full Article

Dec 12, 2022

Model shows how intelligent-like behavior can emerge from non-living agents

From a distance, they looked like clouds of dust. Yet, the swarm of microrobots in author Michael Crichton’s bestseller “Prey” was self-organized.

Full Article

Nov 30, 2020

Biomedical engineers find active particles swim against the current

Researchers are beginning to understand the behavior of so-called “active” particles, which, if it can be controlled, has potential implications for engineered drug delivery systems and smart 3D printing, according to an interdisciplinary Penn State research team.

Full Article

Oct 30, 2019

Tiny swimming donuts deliver the goods

Bacteria and other swimming microorganisms evolved to thrive in challenging environments, and researchers struggle to mimic their unique abilities for biomedical technologies, but fabrication challenges created a manufacturing bottleneck. Microscopic, 3D-printed, tori — donuts ­­— coated with nickel and platinum may bridge the gap between biological and synthetic swimmers, according to an international team of researchers.

Full Article