Professor
We are interested in different aspects of quantum optics, laser spectroscopy and microscopy, nonlinear optics, and its applications in various fields. Currently we are putting our efforts on developing different optical microscopic techniques suitable for biomolecular imaging. These include confocal fluorescence microscopy, multi-photon microscopy and photothermal microscopy using metallic nanoparticles as bimolecular label. Recently we developed a two-photon excitation based photothermal microscope which is capable of detecting single BaTiO3 nanoparticle labels with high sensitivity. We use the confocal and multiphoton microscopes to study biomolecular transport so as to understand the mechanism of transport through nuclear membranes. We hope to use the photothermal microscope for live tracking of biomolecules in a cell nucleus.
Group Members
Investigators: Indrani Talukdar, P. Nandakumar
Funding Agency: BITS (CDRF)
Amount: Rs 20 lakhs
Principle investigator (PI): P. Nandakumar,
Co-PI: Prof. Meenal Kowshik,
Funding agency: Science and Engineering Research Board (SERB), DST. Govt. of India
Amount: INR 44.04 Lakhs
Duration: 2017 - 2020
Principle investigator(PI): Geetha K. Varier
Funding agency: DST
Amount: INR 32.01 Lakhs
Duration: 2019 - 2022
Principle investigator: Geetha K Varier
Funding agency: Department of Science and Technology, Govt. of India
Principle investigator: P. Nandakumar
Co-PI: Meenal Kowshik, Geetha K. Varier
Funding agency: Department of Biotechnology, Govt. of India
Principle Investigator: P. Nandakumar
Funding agency: DRDO, Govt. of India
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