Pradipta Purkayastha

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

Selected Publications:
  1. Ghosh, Prasun; Maity, Arnab; Das, Tarasankar; Mondal, Somen and Purkayastha, Pradipta. 2013. "(2,2′-Bipyridyl)-3-3′-diol in lipid vesicles: Slowed down dynamics of proton transfer." Soft Matter, 9, 8512-8518
  2. Mondal, Somen; Das, Tarasankar; Ghosh, Prasun; Maity, Arnab; Mallick, Arabinda and Purkayastha, Pradipta. 2013. " FRET-based characterisation of surfactant bilayer protected core-shell carbon nanoparticles: Advancement toward carbon nanotechnology." Chem. Commun., 49, 7638-7640
  3. Maity, Arnab; Das, Shrabanti; Mandal, Soumik; Gupta, Parna and Purkayastha, Pradipta. 2013. "Interaction of semicarbazide and thiosemicarbazide pyrene derivatives with anionic and cationic micelles: Changed character of pyrene due to alteration in charge density induced by the side chains." RSC Adv., 3, 12384