Sayan Bagchi

Sayan Bagchi

Physical and Materials Chemistry Division

About Me


Professional Experience

  • 2016 - current : Principal Scientist & Associate Professor (AcSIR), National Chemical Laboratory, Pune India
  • 2012 - 2016 : Senior Scientist & Assistant Professor (AcSIR), National Chemical Laboratory, Pune India
  • 2009 - 2012:  Post Doctoral Scholar, Stanford University, Stanford, CA, USA (Advisors: Prof. Steven G. Boxer and Prof. Michael D. Fayer)
  • 2002-2008: Ph.D in Chemistry, University of Pennsylvania, Philadelphia, PA, USA (Advisor: Prof. Robin M. Hochstrasser) 

Selected Publications

  • Deborin Ghosh, Sushil S. Sakpal, Srijan Chatterjee, Samadhan H. Deshmukh, Hyejin Kwon, Yung Sam Kim And Sayan Bagchi, Association?Dissociation Dynamics of Ionic Electrolytes in Low Dielectric Medium, J. Phys. Chem. B., 126, 239 - 248 (2022), DOI:10.1021/acs.jpcb.1c08613.
  • Samadhan H. Deshmukh, Srijan Chatterjee, Deborin Ghsoh And Sayan Bagchi, Ligand Dynamics TimeScales Identify the Surface–Ligand Interactions in Thiocyanate-Capped Cadmium Sulfide Nanocrystals, J. Phys. Chem. Lett., 13, 3059 - 3065 (2022), DOI:https://doi.org/10.1021/acs.jpclett.2c00493.
  • Sushil S. Sakpal, Deborin Ghosh, Meghna A. Manae, Anirban Hazra And Sayan Bagchi, The Curious Case of Aqueous Warfarin: Structural Isomers or Distinct Excited States?, J. Phys. Chem. B., 125, 2871 - 2878 (2021), DOI:https://doi.org/10.1021/acs.jpcb.0c10824.
  • Sushil S. Sakpal, Samadhan H. Deshmukh, Srijan Chatterjee, Deborin Ghosh And Sayan Bagchi, Transition of a Deep Eutectic Solution to Aqueous Solution: A Dynamical Perspective of the Dissolved Solute, J. Phys. Chem. Lett., 12, 8784 - 8789 (2021), DOI:https://doi.org/10.1021/acs.jpclett.1c02118.
  • Pranab Deb, Geun Young Jin, Santosh K. Singh, Juran Moon, Hyejin Kwon, Aloke Das*, Sayan Bagchi* And and Yung Sam Kim*, Interconverting Hydrogen-Bonding and Weak n ? ?* Interactions in Aqueous Solution: A Direct Spectroscopic Evidence, J. Phys. Chem. Lett., 9, 5425 - 5429 (2018), DOI:https://doi.org/10.1021/acs.jpclett.8b02398.
  • Somnath M. Kashid, Geun Young Jin, Suman Chakrabarty* , Yung Sam Kim* And and Sayan Bagchi* , Two-Dimensional Infrared Spectroscopy Reveals Cosolvent-Composition-Dependent Crossover in Intermolecular Hydrogen-Bond Dynamics, J. Phys. Chem. Lett., 8, 1604 - 1609 (2017).
  • Pranab Deb, Tapas Haldar, Somnath M Kashid, Subhrashis Banerjee, Suman Chakrabarty* And and Sayan Bagchi*, Correlating Nitrile IR Frequencies to Local Electrostatics Quantifies Noncovalent Interactions of Peptides and Proteins, J. Phys. Chem. B., 120, 4034 - 4046 (2016).
  • Tapas Haldar And Sayan Bagchi*, Electrostatic Interactions Are Key to C=O n-pi* Shifts: An Experimental Proof, J. Phys. Chem. Lett., 7, 2270 - 2275 (2016).
  • Tapas Haldar, Somnath M Kashid, Pranab Deb, Sandeep Kesh And Sayan Bagchi*, Pick and Choose the Spectroscopic Method to Calibrate the Local Electric Field inside Proteins, J. Phys. Chem. Lett., 7, 2456 - 2460 (2016).
  • Somnath M. Kashid, Geun Young Jin And Sayan Bagchi* and Yung Sam Kim*, Cosolvent Effects on Solute?Solvent Hydrogen-Bond Dynamics: Ultrafast 2D IR Investigations, J. Phys. Chem. B., 119, 15334 - 15343 (2015).
  • S. M. Kashid And S. Bagchi*, Experimental determination of the Electrostatic Nature of Carbonyl Hydrogen-Bonding Interactions Using IR-NMR Correlations, J. Phys. Chem. Lett., 5, 3211 - 3215 (2014).
  • S. D. Fried, S. Bagchi And S. G. Boxer, Extreme Electric Fields Power Catalysis in the Active Site of Ketosteroid Isomerase, Science., 6216, 1510 - 1514 (2014).
    Perspectctive wriiten by Peter Hildebrandt, Science 346(6216),1456-1457.
  • S. D. Fried, S. Bagchi And S. G. Boxer, Measuring Electrostatic Fields in Both Hydrogen-Bonding and Non-Hydrogen-Bonding Environments Using Carbonyl Vibrational Probes, J. Am. Chem. Soc., 135, 11181 - 11192 (2013).

Research Interest

  • Physical Chemistry
  • Theory AND Computational Science
  • Laser spectroscopy & Instrumentation
  • Spectroscopy
  • Biophysical Science

Contact Details

Dr. Sayan Bagchi


Senior Scientist
Physical Chemistry Division
CSIR - National Chemical Laboratory
Dr. Homi Bhabha Road
Pune - 411008, India
Phone: +91-20-2590 3048 (Office)
Email: s.bagchi@ncl.res.in