Dr. N. Chandrakumar


Email : nckumar@iitm.ac.in
Phone: 91-44-2257 4920



Academic profile

  • B.Sc. (Chemistry, with Mathematics and Physics ancillaries), Loyola College, University of Madras, 1970.
  • M.Sc. (Chemistry), Indian Institute of Technology, Madras (1972).
  • Ph.D., Indian Institute of Technology, Kanpur (1979).
  • Honours and Awards

    • All India Merit Scholar, 1963-’66
    • National Science Talent Scholar, 1967-’74
    • INSA-DFG Exchange Fellow, 1988
    • Fellowship of the Max Planck Gesellschaft, Autumn 1989, 1990: MPI BPC, Göttingen
    • Fellowship of the Indian Academy of Sciences (FASc) - 1993
    • Visiting Scientist, Universität Gesamthochschule Siegen, 1993
    • INSA Visiting Fellowship for MRI / MRS Research at AIIMS - 1994
    • Winner of first “CSIR NEW IDEA FUND” Award - 1996
    • SHANTI SWARUP BHATNAGAR PRIZE - Chemical Sciences - 1996
    • Fellowship of the Indian National Science Academy (FNA) - 1997
    • Honorary Senior Fellowship of the Jawaharlal Nehru Center for Advanced Scientific Research (JNCASR), Bangalore, 1997
    • Honorary Professor, BITS, Pilani, 1997
    • DFG Visiting Professor (of the Deutsche Forschungsgemeinschaft), Universitaet Ulm, April 1997- April 1998
    • MILLENNIUM MEDAL, Science Congress 2000
    • Senior Visiting Scientist, INSERM Grenoble, France, June-July 2000
    • Visiting Professor, INSERM, Université Joseph Fourier, Grenoble, France, Summer 2001
    • Professor R. K. Asundi Memorial Lecture Award, Indian National Science Academy (INSA), 2002
    • Professor N. Venkatasubramanian Endowment Lecture Award, 2003
    • Professor K. Rangadhama Rao Memorial Lecture Award, Indian National Science Academy (INSA), 2004
    • Chemical Research Society of India (CRSI) Silver Medal, 2008
    • J.C. Bose National Fellowship, 2009

    Research Interests:

    • Magnetic Resonance Spectroscopy & Imaging: especially NMR, EPR, NQR and Double Resonance, including Dynamic Nuclear Polarization
    • Spatially Resolved Magnetic Resonance
    • Molecular, In vivo & Materials applications of NMR Spectroscopy & Imaging
    • Spin Dynamics
    • Quantum Information Processing with spin systems
    • General Area of Chemical Physics: Spectroscopy, Quantum Theory & Group Theory
    • Scientific Intrumentation, including hardware and software development.

    Inventions and Patents

    1. N. Chandrakumar, A new set of experiments for 2D heteronuclear correlation with cross-polarization,Patent assigned to JEOL (Tokyo), Japan, 1986
    2. N. Chandrakumar, Device for Excitation and Detection of Magnetic Resonance using orthogonal transmitter Probe coils (Duality Probehead), US Patent 5,719,499
    3. N. Chandrakumar, Logic Device (Spin Computers), US Patent 5,847,565
    4. N. Chandrakumar and S. Venkata Raman, Device for Detection of Magnetic Resonance in Time Domain, US Patent 5,973,496
    5. N. Chandrakumar, K. Victor Babu and V. Vijayaragavan, A device for Electron Paramagnetic Resonance Imaging with Microwave bridge translator, US Patent 6,472,874; European and Japanese patents: DE10054348, FR2813672, GB2366387, JP2002090435
    6. N. Chandrakumar, K. Victor Babu and V. Vijayaragavan, A device for Electron Paramagnetic Resonance Imaging with high amplitude modulator, US Patent 6,504,367; European and Japanese patents: DE10054454, FR2813671, GB2366386, JP200107316
    7. N. Chandrakumar and V. Ramesh, Method of 2D-NMR correlation spectroscopy with double quantum filtration followed by evolution of single quantum transitions; US Patent 7,466,127; European and Indian patents filed; technology transferred

    Selected Recent Research Publications

    1. N. Chandrakumar and A. Ramamoorthy, Homonuclear Deuterium Correlation Spectroscopy in the Rotating Frame, Journal of the American Chemical Society, 114, 1123 (1992)
    2. N. Chandrakumar, Multiple Quantum Spectra of Spin-1 systems in Isotropic Phase, Journal of the American Chemical Society, 115, 3780 (1993)
    3. N. Chandrakumar and S. Sendhil Velan, Multiple Quantum / Single Quantum NMR Images, Journal of Magnetic Resonance, A104, 115 (1993)
    4. N. Chandrakumar, G. von Fircks and H. Günther, The 2D QUADSHIFT Experiment: Separation of deuterium chemical shifts and quadrupolar couplings by 2D solid-state MAS NMR, Magnetic Resonance in Chemistry, 32, 433 (1994)
    5. S. Sendhil Velan and N. Chandrakumar, High-Resolution NMR measurement of Molecular Self-Diffusion by Fast Multi-Spin-Echo Diffusion Sequences, Journal of Magnetic Resonance, A123, 122 (1996)
    6. S. Venkata Raman and N. Chandrakumar, Pure-Phase multi-dimensional NMR by Reference Frequency Shift (RFS), Journal of Magnetic Resonance, 125, 188 (1997)
    7. A. Spyros, N. Chandrakumar, M. Heidenreich and R. Kimmich, Selective determination of elastomer distribution in multicomponent systems using proton detected 13C imaging, Macromolecules, 31, 3021 (1998)
    8. N. Chandrakumar and R. Kimmich, PRAWN: mixing sequences for selective heteronuclear J cross-polarization, Journal of Magnetic Resonance, 137, 100 (1999)
    9. V. Mohan Rao, P.K. Ghosh, V. Vijayaragavan and N. Chandrakumar, Void Size measurement in emulsion explosives: a non-invasive approach using NMR imaging, Langmuir, 16, 2985 (2000)
    10. N. Chandrakumar, The Wonderland of Spins, in New Millennium Lectures: Celebration of Science, Indian Science Congress, 23-42 (2000)
    11. J. Kanagaraj, N. K. Chandrababu, S. Sadulla, G. Suseela Rajkumar, V. Visalakshi and N. Chandrakumar, Cleaner techniques for the preservation of raw goat skins, J. Cleaner Production, 9, 261 (2001).
    12. A.M.J. Hudson, W. Köckenberger, M. Heidenreich, N. Chandrakumar, R. Kimmich and R. Bowtell, 1H detected 13C echo planar imaging, J. Magn. Reson. 155, 64 (2002).
    13. V. Ramesh and N. Chandrakumar, Optimized 1D Double Quantum Filter NMR Experiments, Magn. Reson. Chem. 44, 936 (2006).
    14. S. Pal and N. Chandrakumar, Nuclear Quadrupole Resonance exchange spectroscopy with shaped radiofrequency pulses, Molec. Phys. 106, 759 (2008).
    15. A.K. Sahu, G. Selvarani, S. Pitchumani, P. Sridhar, A.K. Shukla, N. Narayanan, A. Banerjee and N. Chandrakumar, PVA-PSSA Membrane with Interpenetrating Networks and its Methanol Crossover Mitigating Effect in DMFCs, J. Electrochem. Soc., 155, B 686 (2008).
    16. A.K. Sahu, G. Selvarani, S.D. Bhat, S. Pitchumani, P. Sridhar, A.K. Shukla, N. Narayanan, A. Banerjee and N. Chandrakumar, Effect of varying poly(styrene sulfonic acid) content in poly(vinyl alcohol)–poly(styrene sulfonic acid) blend membrane and its ramification in hydrogen–oxygen polymer electrolyte fuel cells, J. Memb. Sc., 319, 298 (2008).
    17. A. Banerjee, C. George, S. Bharathwaj and N. Chandrakumar, Postharvest Ripening Study of Sweet Lime (Citrus limettioides) in Situ by Volume-Localized NMR Spectroscopy, J. Agr. Food Chem. 57, 1183 (2009).
    18. V. Ramesh, C. George and N. Chandrakumar, Homonuclear single transition correlation spectroscopy of rare spins, Chem. Phys. Lett. 474, 375 (2009).
    19. S. Pal and N. Chandrakumar, Study of dynamics in pentachlorophenol in the solid state by 1D Nuclear Quadrupole Resonance Exchange Spectroscopy, Molec. Phys. (2009).
    20. Mordenite-incorporated PVA–PSSA membranes as electrolytes for DMFCs S.D. Bhat, A.K. Sahu, C. George, S. Pitchumani, P. Sridhar, N. Chandrakumar, K.K. Singh, N. Krishna, A.K. Shukla, J. Membr. Sc. (2009).
    21. N. Chandrakumar, 1D Double Quantum Filter NMR Studies, Annual Reports on NMR Spectroscopy 67, 265-330 (2009).
    22. C. George and N. Chandrakumar, 119/117/115Sn low-abundance single-transition correlation spectroscopy (LASSY): sensitivity-enhanced homonuclear correlation experiments for Sn NMR, Magn. Reson. Chem. 2010, 48, 912–917.
    23. A. Banerjee and N. Chandrakumar, Volume Localized Shift Selective 13C Spectroscopy Using Pulsed Rotating Frame Transfer Sequences With Windows (PRAWN), Magn. Reson. Med. 2011, 66, 1209–1217.
    24. C. George and N. Chandrakumar, 1H Indirect Detected 13C Low-Abundance Single-Transition Correlation Spectroscopy (HICLASS); 13C Homonuclear Correlation at Natural Abundance, Org. Lett. 2011, 13, 5448-5451.
    25. A. Banerjee and N. Chandrakumar, Real-Time in Vitro Drug Dissolution Studies of Tablets Using Volume-Localized NMR (MRS) Appl. Magn. Reson. 2011, 40, 251–259.
    26. S. Mohanapriya, A.K. Sahu, S.D. Bhat, S. Pitchumani, P. Sridhar, C. George, N. Chandrakumar and A. K. Shukla, Bio- Composite Membrane Electrolytes for Direct Methanol Fuel Cells, J. Electrochem. Soc. 2011, 158, B1319-B1328.


    1. Modern Techniques in High Resolution FT-NMR, N. Chandrakumar & S. Subramanian, Springer-Verlag, New York, 1986 (ISBN 0-387-96327-8, 3-540-96327-8)

    2. Volume Edited: Magnetic Resonance, Diamond Jubilee Special Issue of the Proceedings (Chemical Sciences) of the Indian Academy of Sciences, 106, (#7) December (1994)

    3. Spin 1 NMR, N. Chandrakumar, 34, NMR: Basic Principles and Progress, Springer-Verlag, Berlin, 1996 (ISBN 0-387/3-540-60581-9)

    Lecture Handouts:

  •  B.Tech Lecture Notes

  •  MSc Lecture Notes