Experimental Part:

1. Laser Time of Flight (TOF) Mass Spectrometry of Small Biological Molecules: Laser Desorption Ionization (LDI), Matrix Assisted LDI (MALDI), and Surface Assisted LDI (SALDI)   

2. Gas-phase Photoelectron Spectroscopy of Small Biological Molecules Combined with Time of Flight (TOF) Mass Spectrometry Technique using the Different radiation sources including Helium lamp, laser, and synchrotron radiation.

3. Spectroscopic study of biological molecules in their excited electronic states using absorption spectroscopy coupled with the Time of Flight (TOF) Mass Spectrometry and Laser or Synchrotron Radiation.

4. Measuring the absolute and relative ionization cross of atoms and molecules in the gas phase using Electron Spectroscopy.

5. Optogalvanic spectroscopy using Laser Radiation.

Theoretical Part:

Quantum mechanics and computational chemistry (Theoretical)

• Potential energy surface of van der Waals complexes
• Intermolecular forces (weak interactions)
• Intermolecular interaction energy decomposition analysis using symmetry adapted perturbation theory (SAPT and SAPT(DFT))
• Theoretical spectroscopic calculations (Photoelectron spectroscopy, Resonance Auger Raman, and surface enhanced Raman spectroscopy (SERS))
• Ligand-DNA and Ligand-protein interaction using ONIOM Method
• Interaction of biological molecules with metal surfaces using ONIOM method
• Chemical Kinetics
• Organic and Inorganic physical chemistry

• Statistical mechanics

• Equation of state
• Radial distribution function and Integral equations
• Perturbation theory
• Molecular Dynamic Simulation (MD)