Faculty at School of Engineering

Swaminath Bharadwaj Gourishankar

Swaminath Bharadwaj Gourishankar

Assistant Professor

School of Engineering


Contact Information

Computational modelling of responsive materials, solvation thermodynamics, interfacial phenomena and statistical mechanics.

Integrated M.Tech-PhD, Chemical Engineering, IIT Madras
B. Tech, Chemical Engineering, A.C. Tech, Anna University, Chennai

  • 12/2022-Present, Assistant Professor, Department of Chemical Engineering, School of Engineering, Shiv Nadar Institute of Eminence, Delhi-NCR
  • 07/2018-10/2022, Post-Doctoral Researcher, Computational Physical Chemistry Group, Technical University of Darmstadt, Germany

  • Y. Zhao, S. Bharadwaj*, Ryan L. Myers, Halil I. Okur, Pho T. Bui, Mengrui Cao, Lauren K. Welsh, Tinglu Yang, Paul S. Cremer, and Nico F. A. van der Vegt (2023). 14, 45, 10113–10118. DOI: https://doi.org/10.1021/acs.jpclett.3c02476  (*Joint first author)
  • Y. Zhao, S. Bharadwaj*, N. F. A. van der Vegt. (2022). Nonadditive ion effects on the coil-globule equilibrium of PNIPAM: A computer simulation study. Physical Chemistry Chemical Physics, 24: 10246-10355. DOI: https://doi.org/10.1039/D2CP00057A  (*Joint first author)
  • M. Tripathy, S. Bharadwaj*, Nico F. A. van der Vegt. (2022). Solvation Shell Thermodynamics of Extended Hydrophobic Solutes in Mixed Solvents. The Journal of Chemical Physics 256:164901. DOI: https://doi.org/10.1063/5.0090646 (*Joint first author)
  • S. Bharadwaj, B. J. Niebuur, K. Nothdurft, W. Richtering, N. F. A. van der Vegt, C. M. Papadakis. (2022). Cononsolvency of thermoresponsive polymers: where we are now and where we are going. Soft Matter 18: 2884-2909. DOI: https://doi.org/10.1039/D2SM00146B
  • A. Folberth, S. Bharadwaj, N. F. A. van der Vegt. (2022). Small-to-large length scale transition of TMAO interaction with hydrophobic solutes. Physical Chemistry Chemical Physics 24 (4): 2080-2087. DOI: https://doi.org/10.1039/D1CP05167A (2022 PCCP HOT Articles)
  • S. Bharadwaj, S. Jabes B., N. F. A. van der Vegt. (2021). Direct Calculation of Entropic Components in Cohesive Interaction Free Energies. The Journal of Physical Chemistry B 125 (39): 11026-11035. DOI: https://doi.org/10.1021/acs.jpcb.1c05748 (Part of special issue “Dor Ben-Amotz Festschrift”)
  • S. Bharadwaj, D. Nayar, C. Dalgicdir, N. F. A van der Vegt. (2021). An interplay of excluded-volume and polymer–(co) solvent attractive interactions regulates polymer collapse in mixed solvents. The Journal of Chemical Physics 154 (13): 134903. DOI: https://doi.org/10.1063/5.0046746
  • S. Bharadwaj, D. Nayar, C. Dalgicdir, N. F. A. van der Vegt. (2020). A cosolvent surfactant mechanism affects polymer collapse in miscible good solvents. Communications Chemistry 3(1):1-7. DOI: https://doi.org/10.1038/s42004-020-00405-x
  • M. Tripathy, S. Bharadwaj*, S. Jabes B., N. F. A. van der Vegt. (2020). Characterizing Polymer Hydration Shell Compressibilities with the Small-System Method. Nanomaterials 10 (8):1460. DOI: https://doi.org/10.3390/nano10081460 (*Joint First Author, Part of the special issue “Nanoscale Thermodynamics”)
  • S. Bharadwaj, N. F. A van der Vegt. (2019). Does preferential adsorption drive cononsolvency? Macromolecules 52 (11): 4131-4138. DOI: https://doi.org/10.1021/acs.macromol.9b00575
  • S. Bharadwaj, P. B. Sunil Kumar, S. Komura, A. P. Deshpande. (2018). Kosmotropic effect leads to LCST decrease in thermoresponsive polymer solutions. The Journal of Chemical Physics 148(8):084903. DOI: https://doi.org/10.1063/1.5012838
  • S. Bharadwaj, P. B. Sunil Kumar, S. Komura, A. P Deshpande. (2016). Spherically symmetric solvent is sufficient to explain the LCST mechanism in polymer solutions. Macromolecular Theory and Simulations 26(2): 1600073. DOI: https://doi.org/10.1002/mats.201600073

Oral Contributions

  • “A cosolvent surfactant mechanism affects polymer collapse in miscible good solvents,”
    Swaminath Bharadwaj, Divya Nayar, Cahit Dalgicdir, Nico F. A. van der Vegt. DPG Meeting, Regensburg, Germany, September 6-8, 2022.
  • “Nonadditive ion effects on the solvation of thermoresponsive polymers in aqueous solutions,”
    Swaminath Bharadwaj, Yani Zhao, Nico F. A. van der Vegt. CompFlu, Indian Institute of Technology Gandhinagar, India, December 13-15, 2021.
  • “A cosolvent surfactant mechanism affects polymer collapse in miscible good solvents,”
    Swaminath Bharadwaj. Osmolyte and Cosolvent Effects in Stimuli-Responsive Soft Matter Systems, Virtual conference organized jointly by Technical University of Darmstadt and Technical University of Munich, February 25-26, 2021.
  • “On the mechanism of lower critical solution temperature and its variation with co-solvents in thermoresponsive polymer solutions,” Swaminath Bharadwaj, P. B. Sunil Kumar, Shigeyuki Komura, Abhijit P. Deshpande. CompFlu, Indian Institute of Technology Madras, Chennai, India, December 18-20, 2017.
  • “Effect of co-solvent on the LCST of thermoresponsive polymers,” Swaminath Bharadwaj, P. B. Sunil Kumar, Shigeyuki Komura, Abhijit P. Deshpande. 2nd International Conference on Soft Materials (ICSM), Malaviya National Institute of Technology Jaipur, India, December 12-16, 2016. (Best Oral Presentation Award)

  • “Characterizing Polymer Hydration Shell Thermodynamics Using the Small System Method,”
    Swaminath Bharadwaj, Nico van der Vegt. Recent progress in the statistical mechanics of solutions through Kirkwood-Buff integrals and related approaches, Université de Bourgogne, France, September 20-22, 2021
  • “Coil-to-globule transitions in mixed solvents: A cosolvent surfactant mechanism,” Swaminath Bharadwaj, Nico van der Vegt. 11th Liquid Matter Conference, Prague, July 19-23, 2021
  • “A cosolvent surfactant mechanism affects polymer collapse in miscible good solvents,”
    Swaminath Bharadwaj, Nico van der Vegt. CompFlu, Indian Institute of Technology Bombay, India, December 10-12, 2020.
  • “On the mechanism of lower critical solution temperature and its variation with co-solvents in thermoresponsive polymer solutions,” Swaminath Bharadwaj, P. B. Sunil Kumar, Shigeyuki Komura, Abhijit P. Deshpande. 10th Liquid Matter Conference, Ljubljana, Slovenia, July 17-21, 2017.
  • “LCST behavior of thermoresponsive polymers in binary solvent mixtures,” Swaminath Bharadwaj, P. B. Sunil Kumar, Shigeyuki Komura, Abhijit P. Deshpande. CompFlu, Indian Institutes of Science Education and Research, Pune, India, January 2-4, 2016.
  • “Coil-to-globule transition in thermoresponsive polymer solutions,” Swaminath Bharadwaj, P. B. Sunil Kumar, Shigeyuki Komura, Abhijit P. Deshpande. Physics of Structural and Dynamical Hierarchy in SoftMatter, Institute of Industrial Science, University of Tokyo, Japan, March 16-18, 2015

Title: Computational design of functional polymeric nano-compartments mimicking membraneless biological condensates 

Agency: SERB-SRG, Department of Science and Technology (DST)\

Amount: 29 Lakhs

Duration: 2 years

Role: PI

Status: Ongoing