Research Area: Photophysics, Photochemistry; Photobiology, Biophysical chemistry; Surface chemistry; Fluorescence sensing; Polymer photophysics; Nanoparticle research; Steady-state and time-resolved fluorometric study of the photophysical and photochemical processes (ESPT, ICT, electron transfer, charge transfer and energy transfer) in homogeneous as well as microheterogeneous environments; Binding of drugs with proteins and DNA; Theoretical modeling and simulations of photophysical and/or photochemical observations; Photoacoustic calorimetry (PAC).