Sumesh Thampi: Confining Active Particles in Micro Channels

 Sumesh Thampi, IIT Madras, Chennai, India

Invited Talk Strathclyde Mathematics & Statistics, hosted by Debasish Das


sketch of a scientific talk about microswimmers in microchannels part 1

sketch of a scientific talk about microswimmers in microchannels part 2


Papers mentioned in the talk 

Gaszton Vizsnyiczai, Giacomo Frangipane, Silvio Bianchi, Filippo Saglimbeni, Dario Dell’Arciprete & Roberto Di Leonardo: A transition to stable one-dimensional swimming enhances E. coli motility through narrow channels. Nature Communications volume 11, Article number: 2340 (2020)

Singh, D P, Udit Choudhury, Peer Fischer, Andrew G. Mark: Non-Equilibrium Assembly of Light-Activated Colloidal Mixtures (2017) 29(32): 1701328.

Di Leonardo, R., L. Angelani, D. Dell’Arciprete, G. Ruocco, V. Iebba, S. Schippa, M. P. Conte, F. Mecarini, F. De Angelis, and E. Di Fabrizio: Bacterial ratchet motors PNAS (2010) 107 (21) 9541-9545.

Sanchez, T, Daniel T. N. Chen, Stephen J. DeCamp, Michael Heymann & Zvonimir Dogic  Spontaneous motion in hierarchically assembled active matter Nature  491: 431–434 (2012).

Schmidt, C K, Mariana Medina-Sánchez, Richard J. Edmondson & Oliver G. Schmidt. Engineering microrobots for targeted cancer therapies from a medical perspective. Nature Communications volume 11, Article number: 5618 (2020)

ZHAO, Y , CHEN XUAN, XIAOSHI QIAN, YOUSIF ALSAID, MUTIAN HUA, LIHUA JIN HTTPS://ORCID.ORG/0000-0001-7812-9056, AND XIMIN HE. Soft phototactic swimmer based on self-sustained hydrogel oscillator. SCIENCE ROBOTICS. (2019) Vol 4(33) 613.

LI, J., ESTEBAN-FERNÁNDEZ DE ÁVILA, B, WEI GAO, LIANGFANG ZHANG, AND JOSEPH WANG: SCIENCE ROBOTICS Micro/nanorobots for biomedicine: Delivery, surgery, sensing, and detoxification (2017) 2(4): 


Main body of the talk:

Purushothaman, A & S P Thampi: Hydrodynamic collision between a microswimmer and a passive particle in a micro-channel 2021 Soft Matter 17: 3380-96

Thampi, S P, Chandragiri S., Doostmohammadi A., Yeomans J.M.: Flow States and Transitions of an Active Nematic in a Three-Dimensional Channel 2020 Phys Rev Lett 125: 148002.



Link to more publications by Sumesh & his group