|Publications|

Peer reviewed publications

(published or under review)

46) Substrate stiffness governs dynamics and self-organization of nascent biofilms: G. Rani and A. Sengupta*, arXiv preprint, 2025

45) Biogel scavenging slows the sinking of organic particles to the ocean depths: U. Alcolombri, A. Nissan, J. Slomka, S. Charlton, E. Secchi, I. Short, K.S. Lee, F. Peaudecerf, D. Baumgartner, A. Sichert, U. Sauer, A. Sengupta & R. Stocker, Nature Communications 16, 3290, 2025

44) Bacterial Adhesion on Soft Surfaces: The Dual Role of Substrate Stiffness and Bacterial Growth Stage: R. Riedel, G. Rani and A. Sengupta*, Microorganisms 13, 637, 2025.

43) Hydrodynamic cues enhance algal lipid production while sustaining biomass in motile species: N. Kakavand and A. Sengupta*, bioRxiv preprint, 2025

42) Tipping points in fitness landscape of heterogeneous populations: S. Bhattacharyya, U. Singh, A. Sengupta*, arXiv preprint, 2024

41) Synergistic phenotypic adaptations of motile purple sulphur bacteria Chromatium okenii during lake-to-laboratory domestication: F. Di Nezio, I.L.H. Ong, R. Riedel, A. Ghoshal, J. Dhar, S. Roman, N. Storell, A. Sengupta*, PLoS ONE 19, e0310265, 2024

40) Role of Motility and Nutrient Availability in Drying Patterns of Algal Droplets: A. Pal, A. Sengupta, M. Yanagisawa, Scientific Reports 14, 23481, 2024

39) Growing bacterial colonies harness emergent genealogical demixing to regulate organizational entropy: G. Rani and A. Sengupta*, Biophysical Reports 4, 100175, 2024

38) Toward a realistic model of multilayered bacterial colonies: M. T. Khan, J. Cammann, A. Sengupta, E. Renzi & M. G. Mazza, Condensed Matter Physics 27, 1-8, 2024

37) Microbes in porous environments: From active interactions to emergent feedback: C. Jin and A. Sengupta*, Biophysical Reviews, 2024

36) Phytoplankton tune local pH to actively modulate circadian swimming behavior: A. Ghoshal, J. Dhar, H-P. Grossart, A. Sengupta* (under review), bioRxiv preprint, 2023

35) Planktonic Active Matter: A. Sengupta (under review), arXiv preprint, 2023

34) Gravity modulations induce migratory changes and transcriptional shifts to stress protection and repair in motile phytoplankton: J. D. Wheeler, U. Pfreundt, F. Carrara, A. Sengupta*, R. Stocker* (under review)

33) Motile bacteria leverage bioconvection for eco-physiological benefits in a natural aquatic environment: F. Di Nezio, S. Roman, A. Buetti-Dinh, O. S.Steiner, D. Bouffard, A. Sengupta, N. Storelli, Frontiers in Microbiology 14 (Sec. Aquatic Microbiology), 2023

32) Collective mechano-response dynamically tunes cell-size distributions in growing bacterial colonies: R. Wittmann*, G. H. P. Nguyen, H. Löwen, F. J. Schwarzendahl*, A. Sengupta *, Communications Physics 6, 331, 2023

31) Curvature-mediated Programming of Liquid Crystal Microflows: K. Fedorowicz, R. Prosser, A. Sengupta*, Soft Matter 19, 7084-7092, 2023

30) Spatio-temporal programming of lyotropic phase transition in nanoporous microfluidic confinements: V. Ulaganathan and A. Sengupta *, Journal of Colloid And Interface Science 649, 302-312, 2023

29) Controlled motility in the cyanobacterium Trichodesmium regulates aggregate architecture: U. Pfreundt, J. Słomka, G. Schneider, A. Sengupta, F. Carrara, M. Ackermann, R. Stocker, Science 380, 830-835, 2023

28) Drying of Bio-colloidal Sessile Droplets: Advances, Applications, and Perspectives: A. Pal, A. Gope, A. Sengupta, Advances in Colloid and Interface Science 314, 102870, 2023

27) Steering self-organisation through confinement: N. Araújo et al., Soft Matter 19, 1695-1704, 2023

26) Curvature in Biological Systems: Its quantification, emergence and implications across the scales: B. Schamberger et al., Advanced Materials 35, 2206110, 2023

25) Active reconfiguration of cytoplasmic lipid droplets governs migration of nutrient-limited phytoplankton: A. Sengupta#*, J. Dhar#, F. Danza, A. Ghoshal, S. Müller, N. Kakavand, Science Advances 8, eabn6005, 2022

24) Self-regulation of phenotypic noise synchronizes emergent organization and active transport in confluent microbial environments: J. Dhar, A.L.P. Thai, A. Ghoshal, L. Giomi, A. Sengupta*, Nature Physics 18, 945-951, 2022

23) Surface anchoring mediates bifurcation in nematic microflows within cylindrical capillaries: P. Steffen, E.Stellamanns, A. Sengupta* , Physics of Fluids 33, 072005, 2021

22) Bistability in oxidative stress response determines the migration behavior of phytoplankton in turbulence: F. Carrara#, A. Sengupta#,*, L. Behrendt, A. Vardi, R. Stocker*, Proceedings of the National Academy of Sciences (USA) 118, e2005944118, 2021

21) Time dependent lyotropic chromonic textures in microfluidic confinements: A. Sharma, I. L. H. Ong, A. Sengupta*, Crystals 11, 35, 2021 (invited article in Early Career Stars of the Decade special issue)

20) Microbial Active Matter: A Topological Framework: A. Sengupta, Frontiers in Physics 8, 184, 2020

19) Mono-to-multilayer transition in growing bacterial colonies: Z. You, D. J. G. Pearce, A. Sengupta, L. Giomi, Physical Review Letters 123, 178001, 2019

18) Emergent biaxiality in nematic microflows illuminated by a laser beam: J-C. Eichler, R. A. Skutnik, A. Sengupta, M. G. Mazza, M. Schoen, Molecular Physics 117, 3715, 2019

17) Dark aerobic sulfide oxidation by anoxygenic phototrophs in anoxic waters: J. S. Berg,..., A. Sengupta,..., M. M. M. Kuypers, Environmental Microbiology 21, 1611, 2019

16) Geometry and Mechanics of Microdomains in Growing Bacterial Colonies: Z. You, D. J. G. Pearce, A. Sengupta*, L. Giomi*, Physical Review X 8, 031065, 2018

15) Bacteria-induced mixing in natural waters: T. Sommer, F. Danza, J. S. Berg, A. Sengupta, G. Constantinescu, T. Tokyay, H. Bürgmann, Y. Dressler, O.R. Sepúlveda Steiner, C. J. Schubert, M. Tonolla, A. Wüest, Geophysical Research Letters 44, 9424, 2017

14) Cross-talk between topological defects in different fields revealed by nematic microfluidics: L. Giomi, Ž. Kos, M. Ravnik, A. Sengupta*, Proceedings of the National Academy of Sciences (USA) 114, E5771, 2017

13) Hydrodynamic cavitation in Stokes flow of anisotropic fluids: T. Stieger, H. Agha, M. Schoen, M. G. Mazza*, A. Sengupta*, Nature Communications 8, 15550, 2017

12) Phytoplankton can actively diversify their migration strategy in response to turbulent cues: A. Sengupta#, F. Carrara#, R. Stocker, Nature 543, 555, 2017

11) Topological Microfluidics - Present and Prospects: A. Sengupta, Liquid Crystals Today 24, 70, 2015

10) Liquid crystal microfluidics - surface, elastic and viscous interactions at micro-scales: A. Sengupta*, S. Herminghaus,* Ch. Bahr,* Liquid Crystals Reviews 2, 73, 2014 (invited review)

9) Topological constraints in a microfluidic platform: A. Sengupta, Liquid Crystals 41, 290, 2014

8) Tuning fluidic resistance via liquid crystal microfluidics: A. Sengupta, Int. J. Mol. Sci. 14, 22826, 2013

7) Topological microfluidics for flexible micro-cargo concepts: A. Sengupta*, Ch. Bahr, S. Herminghaus Soft Matter 9, 7251, 2013

6) Liquid crystal microfluidics for tunable flow shaping: A. Sengupta*, U. Tkalec, M. Ravnik, J. Yeomans, Ch. Bahr, S. Herminghaus, Physical Review Letters 110, 048303, 2013

5) Flow of a nematogen past a cylindrical micro-pillar: A. Sengupta*, C. Pieper, J. Enderlein, Ch. Bahr, S. Herminghaus, Soft Matter 9, 1937, 2013

4) Opto-fluidic velocimetry using liquid crystal microfluidics: A. Sengupta*, S. Herminghaus, Ch. Bahr, Applied Physics Letters 101, 164101, 2012

3) Functionalization of microfluidic devices for investigation of liquid crystal flows: A. Sengupta*, B. Schulz, E. Ouskova, Ch. Bahr, Microfluidics and Nanofluidics 13, 941, 2012

2) Nematic liquid crystals and nematic colloids in microfluidic environment: A. Sengupta*, S. Herminghaus, Ch. Bahr, Mol. Cryst. Liq. Cryst. 547, 203, 2011

1) Nematic textures in microfluidic environment: A. Sengupta*, U. Tkalec, Ch. Bahr, Soft Matter 7, 6542, 2011

Book chapters/Monographs

(For copies of the monograph or book chapters, write to me or click on the ISBN highlighted above)

1) Planktonic Active Matter: A. Sengupta (under review), arXiv preprint, 2023

2) Liquid Crystals at Interfaces and Under Flow: Recent Advances and Trends: A. Sengupta and M. G. Mazza, World Scientific Series in Nanoscience and Nanotechnology, ISBN: 978-981-121-807-1, Soft Matter and Biomaterials on the Nanoscale, Germany, 2020

3) Topological Microfluidics: A. Sengupta, Springer International Publishing, ISBN: 978-3-319-00857-8, Switzerland, 2013

PhD Thesis

Liquid Crystals and Nematic Colloids in Microfluidic Environment: A. Sengupta, University of Göttingen (Georg-August-Universität Göttingen), Germany, 2012 (link to thesis, here)