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B.E.(Biotechnology)
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P. Nandakumar

goa Physics

Professor

Biophysics, Optics and Microscopy, Quantum Optics
Department of Physics
BITS Pilani, K. K. Birla Goa Campus
Goa -403736

Office: Room No. D-315
nandan@goa.bits-pilani.ac.in
0832-2580427

Publications

 

  1. Gorav, G., Khedekar, V., Varier, G.K. P. Nandakumar, Role of charge in enhanced nuclear transport and retention of graphene quantum dots, Scientific  Reports, 14, 19044, (2024)
  2. P. K. Shakhi, M. M. Bijeesh, J. Hareesh, Toby Joseph, P.Nandakumar, and Geetha K. Varier, Size-dependent steady state saturation limit in biomolecular transport through nuclear membranes, PLOS ONE, (2024)         
  3. P. K. Shakhi, M. M. Bijeesh, Geetha K. Varier, and P. Nandakumar, "An in-house constructed dual-channel confocal fluorescence microscope for biomolecular imaging," OSA Continuum 4, 2177-2192 (2021)
  4. . M. Bijeesh, P. K. Shakhi, S. Arunkarthick, G. K. Varier, and P. Nandakumar, "Photothermal Characterization of Au/BaTiO3 Nanocomposite Films," in Conference on Lasers and Electro-Optics, J. Kang, et al S., eds., OSA Technical Digest (Optica Publishing Group, 2021), paper AM1R.5
  5. M.M. Bijeesh, P.K. Shakhi, Geetha K. Varier, and P. Nandakumar, “Tuning the nonlinear optical absorption in Au/BaTiO3 nanocomposites with gold nanoparticle concentration” Optics and Laser Technology, 102 (2018) 207–212.
  6. Confocal imaging of single BaTiO3 nanoparticles by two-photon photothermal microscopy, M.M. Bijeesh, P.K. Shakhi, S. Arunkarthick, Geetha.K. Varier, P. Nandakumar, Scientific Reports. 7 (2017) 1643. doi:10.1038/s41598-017-01548-z.
  7. Passive permeability and effective pore size of HeLa cell nuclear membrane, Arunkarthick Samudram, Bijeesh M. Mangalassery, Meenal Kowshik, Nandakumar Patincharath, Geetha K. Varier, (2016), Cell Biology International, doi: 10.1002/cbin.10640 
  8. Laser Scanning Photothermal Microscopy: Fast Detection and Imaging of Gold Nanoparticles. S. Arunkarthick, M. M. Bijeesh, Geetha K. Varier, Meenal Kowshik and P. Nandakumar (2014) Journal of Microscopy, 256 (2), 111-116. 
  9. Design and construction of a confocal laser scanning microscope for biomolecular imaging. S. Arunkarthick, M. M. Bijeesh, Anand Satya Vetcha, Nishith Rastogi, P. Nandakumar and Geetha K. Varier (2014) Current Science, 107 (12), 1965-1969
  10. Construction of simple Confocal Microscope, M. M. Bijeesh, S. Arunkarthick, Arvind Krishnan, Nishith Rastogi, Geetha K. Varier, Meenal Kowshik and P. Nandakumar (2011). KIRAN, Vol 22 (1), 26-28.
  11. P. Nandakumar, A. Kovalev and A. Volkmer (2009), Vibrational imaging based on stimulated Raman Scattering Microscopy, New Journal of Physics 11, 2009, 033026.
  12. P. Nandakumar, C. Vijayan, Y.V.G.S. Murti (2002) Absorption and photoluminescence studies on CdS quantum dots in Nafion, J. Appl. Phys.  91, 1509-1514.
  13. P. Nandakumar, C. Vijayan, Y.V.G.S. Murti, M. Rajalaksmi and A.K. Arora (2001) Raman spectra of CdS quantum dots in Nafion: Longitudinal optical modes and confined acoustic modes, Physica E 11, 377-383.
  14. A. Krishnan, S.K. Pal, P. Nandakumar, A. G. Samuelson, and P. K. Das (2001) Ferrocenyl donor-organic acceptor complexes for second-order nonlinear optics, Chemical Physics 265, 313-322.
  15. P. Nandakumar, C. Vijayan, Y.V.G.S. Murti, K. Dhanalakshmi, G. Sundararajan and K. S. Nair (2001), Synthesis and XRD characterization of CdS quantum dots in a perfluorinated ionomer (Nafion), Mater. Sci. & Engg. B 83, 61-65
  16. P. Nandakumar, C. Vijayan, Y.V.G.S. Murti (2000) Quantum size effects on the third order nonlinear optical susceptibility of CdS quantum dots in Nafion, Optics Commun.  185, 457-465.
  17. P. Nandakumar, C. Vijayan, Y.V.G.S. Murti, K.  Dhanalakshmi and G. Sundararajan (1999) Proton exchange mechanism of synthesizing CdS quantum dots in Nafion, Indian J. Pure & Appl. Phys. 37, 239-241.
  18. Y.V.G.S. Murti, P. Nandakumar and C. Vijayan (1999) Experiments on jailed electrons, Physics Education, October-December, pp 229-235.
  19. P. Nandakumar,  A.R.  Dhobale, Y. Babu,   M.D.  Sastry,  C.  Vijayan, Y.V.G.S. Murti, K. Dhanalakshmi and G.  Sundararajan (1998) Photoacoustic response of CdS quantum dots in Nafion, Solid State Commun., 106, 193-196
  20. P. Nandakumar, C. Vijayan, Y.V.G.S. Murti, K.  Dhanalakshmi and G. Sundararajan (1997), Preparation and characterization of CdS nanocrystallites in Nafion, Bull. Mater. Sci.  20, 579-582.

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