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Faculty of Mathematics

 

Career

  • 2016-present: Research Associate (post-doc), DAMTP, University of Cambridge, UK
  • 2013-2016: Ph.D., University of California, San-Diego, USA
  • 2012-2013: Ph.D. candidate, University of Illinois, Urbana-Champaign, USA
  • 2010-2012: M.S., University of Illinois, Urbana-Champaign, USA
  • 2009-2010: G.E.T. (Graduate Engineering Trainee), Research and Development: Engines, Mahindra and Mahindra, Nashik, India
  • 2005-2009: B.Tech. (Bachelor of Technology), National Institute of Technology, Rourkela, India

Research

Debasish works in the Biological Physics & Mechanics group under the supervision of Dr. Eric Lauga at the Department of Applied Mathematics and Theoretical Physics. His research interests include complex fluids, microfluidics, multiphase flows, electrohydrodynamics, active matter, locomotion of microorganisms and boundary element methods.

Selected Publications

  • D. Das and E. Lauga, Computing the motor torque of Escherichia coli, Soft Matter, 14, 5955-5967 (2018).
  • E. E. Riley, D. Das and E. Lauga, "Swimming of peritrichous bacteria is enabled by an elastohydrodynamic instability", Sci. Rep., 8,10728, (2018).
  • J. Dauparas, D. Das and E. Lauga, "Helical micropumps near surfaces", Biomicrofluidics, 12, 014108 (2018).
  • D. Das and D. Saintillan, "Electrohydrodynamics of viscous drops in strong electric  fields: Numerical simulations", J. Fluid Mech., 829 127-152 (2017).
  • A. Bricard, J.-B. Caussin, D. Das, C. Savoie, V. Chikkadi, K. Shitara, O. Chepizhko, F. Peruani, D. Saintillan, D. Bartolo, "Emergent vortices in populations of colloidal rollers", Nat. Comm., 6 7470 (2015).

 

Publications

Self-organization of swimmers drives long-range fluid transport in bacterial colonies.
H Xu, J Dauparas, D Das, E Lauga, Y Wu
– Nat Commun
(2019)
10,
1792
Transition to bound states for bacteria swimming near surfaces
D Das, E Lauga
– Phys Rev E
(2019)
100,
043117
Active particles powered by quincke rotation in a bulk fluid
D Das, E Lauga
– Physical Review Letters
(2019)
122,
194503
Swimming of peritrichous bacteria is enabled by an elastohydrodynamic instability.
EE Riley, D Das, E Lauga
– Scientific reports
(2018)
8,
10728
Helical micropumps near surfaces.
J Dauparas, D Das, E Lauga
– Biomicrofluidics
(2018)
12,
014108
Electrohydrodynamics of viscous drops in strong electric fields: Numerical simulations
D Das, D Saintillan
– Journal of Fluid Mechanics
(2017)
829,
127
Tumbling-to-swimming transition of peritrichously flagellated bacteria
EE Riley, D Das, E Lauga
– EUROPEAN BIOPHYSICS JOURNAL WITH BIOPHYSICS LETTERS
(2017)
46,
S282
A nonlinear small-deformation theory for transient droplet electrohydrodynamics
D Das, D Saintillan
– Journal of Fluid Mechanics
(2017)
810,
225
Emergent vortices in populations of colloidal rollers
A Bricard, J-B Caussin, D Das, C Savoie, V Chikkadi, K Shitara, O Chepizhko, F Peruani, D Saintillan, D Bartolo
– Nature communications
(2015)
6,
7470
Electrohydrodynamic interaction of spherical particles under Quincke rotation.
D Das, D Saintillan
– Phys Rev E Stat Nonlin Soft Matter Phys
(2013)
87,
043014

Research Group

Biological Physics and Mechanics

Room

H2.06

Telephone

01223 765251