l Supramolecular Chemistry
l Polymer Chemistry
l Heterocyclic Chemistry
l Counsil of Scientific and Industrial Research-Senior Research Fellow (CSIR-SRF), India (2015-2017)
l Department of Science and Technology-Junior Research Fellow (DST-JRF), India (2011-2015)
l Oil and Natural Gas Corporation- Junior Research Fellow (ONGC-JRF), India (2010-2011)
l K. Velmurugan, A. Thamilselvan, Robert Antony, V. Rajesh Kannan, Lijun Tang, R. Nandhakumar,* Imidazoloquinoline bearing thiol probe as fluorescent electrochemical sensing of Ag and relay recognition of Proline, J. Photochem. Photobiol. A, 2017, 333, 130-141.
l J. Prabhu, K. Velmurugan, A. Raman, N. Duraipandy, M. S. Kiran, S. Easwaramoorthi,* R. Nandhakumar,* A simple chalcone based ratiometric chemosensor for sensitive and selective detection of Nickel ion and its imaging in live cells, Sens. Actuators B, 2017, 238, 306–317.
l K. Velmurugan, A. Raman, D. Derin, Lijun Tang, S. Easwaramoorthi, R. Nandhakumar,* Quinoline benzimidazole-conjugate for the highly selective detection of Zn(II) by dual colorimetric and fluorescent turn-on responses, RSC Adv., 2015, 5, 44463-44469.
l K. Velmurugan, R. Nandhakumar,* Binol based “turn on” fluorescent chemosensor for mercury ion, J. Lumin., 2015, 162, 8-13.
l K. Velmurugan, S. Mathankumar, S. Santoshkumar, S. Amudha, R. Nandhakumar,* Specific Fluorescent sensing of aluminium using Naphthalene Benzimidazole derivative in aqueous media, Spectrochim. Acta A, 2015, 139, 119-123.
l T. Sakthivel, K. Karthikeyan, K. Velmurugan, R. Nandhakumar, S. J. Kim, V. Gunasekaran, Graphdiyne-ZnO Nanohybrids as an Advanced Photocatalytic Material, J. Phys. Chem. C, 2015, 119, 22057–22065.
l P. Vijayan, P. Viswanathamurthi, P. Sugumar, M. N. Ponnuswamy, M. D. Balakumaran, P. T. Kalaichelvan, K. Velmurugan, R. Nandhakumar, R. J. Butcher, Unprecedented formation of organo-ruthenium(II) complexes containing 2-hydroxy-1-naphthaldehyde S-benzyldithiocarbazate: Synthesis, X-ray crystalstructure, DFT study and biological activities in vitro, Inorg. Chem. Front., 2015, 70, 8, 943–948.
l G. Prakash, R. Manikandan, P. Viswanathamurthi,* K. Velmurugan, R. Nandhakumar, Ruthenium(III) S-methylisothiosemi-carbazone Schiff base complexes bearing PPh3/AsPh3 coligand: Synthesis, structure and biological investigations, including antioxidant, DNA and protein interaction, and in-vitro anticancer activities, J. Photochem. Photobiol. B, 2014, 138, 63-74.