... towards excellence in science

An Autonomous Institution, Under the Ministry of Education, Government of India

Pradipta Purkayastha

Dept: Chemical Sciences (DCS)
E-mail: ppurkayastha [at]
Personal homepage: Click Here

Research Interest:

•Photophysical characterization of organic molecules using excited state proton transfer and charge transfer including twisted intramolecular charge transfer (TICT).•Photophysical and photochemical modulation of essential peptides in constrained biological environments using steady state and time-resolved fluorescence spectroscopy.•Application of metal nanoparticles and nanoclusters in drug delivery.•Single molecule spectroscopic study of protein polymerization using fluorescence correlation spectroscopy (FCS).

Academic Background:

  1. PhD (Photophysics and Photochemistry), Jadavpur University, 2002


  1. Professor, IISER Kolkata (current)
  2. Associate Professor, IISER Kolkata (2013 - 2018)
  3. Assistant Professor, IISER Kolkata (2009 - 2013)
  4. Assistant Professor, BITS, Pilani (2007 - 2009)
  5. Lecturer, BITS, Pilani (2004 - 2007)
  6. Postdoctoral Research Fellow, University of Pennsylvania (2002 - 2004)

Awards and Honors:

  1. Fellowship of the Royal Society of Chemistry from The Royal Society of Chemistry, Cambridge (2022)
  2. Research Excellence Award from Institute of Scholars, Bangalore (2020)
  3. Fellow from West Bengal Academy of Science and Technology (WAST) (2019)
  4. Research Ratna Awards 2019 from Research Under Literal Access (RULA) Awards (2019)
  5. Outstanding Faculty in Chemistry from Venus International Foundation (2018)

Selected Publications:

  1. Chatterjee, Arunavo; Sharma, Ankit Kumar and Purkayastha, Pradipta. 2022."Development of a carbon dot and methylene blue NIR-emitting FLIM-FRET pair in niosomes for controlled ROS generation." Nanoscale, 14, 6570-6584
  2. Sinha, Riya; Chatterjee, Arunavo and Purkayastha, Pradipta. 2022."Graphene Quantum Dot Assisted Translocation of Daunomycin through an Ordered Lipid Membrane: A Study by Fluorescence Lifetime Imaging Microscopy and Resonance Energy Transfer." J. Phys. Chem. B, 126, 1232-1241
  3. Halder, Dipanjan and Purkayastha, Pradipta. 2022."Impact of cationic surfactant-induced DNA compaction on the characteristics of a minor groove bound flavonol." Soft Matter, 18, 938-942
  4. Mukherjee, Ishani; Ghosh, Ashutosh and Purkayastha, Pradipta. 2021."Förster resonance energy transfer from carbon nanoparticles to a DNA-bound compound: A method to detect the nature of binding." J. Phys. Chem. B, 125, 10126
  5. Ghosh, Ashutosh; Seth, Sourav Kanti; Ghosh, Arnab; Pattanayak, Pradip; Mallick, Arabinda and Purkayastha, Pradipta. 2021."A New Compound for Sequential Sensing of Picric Acid and Aliphatic Amines: Physicochemical Details and Construction of Molecular Logic Gates." Chem. Asian J., 16, 1157-1164

All Publications: Click Here