S.  Tiwari, Khupse, N. D., and Kumar, A., ?Intramolecular Diels-Alder reaction in ionic liquids: effect of ion-specific solvent friction?, Journal of Organic Chemistry, vol. 73, no. 22, pp. 9075-9083, 2008.

N. D.  Khupse and Kumar, A., ?Dramatic change in viscosities of pure ionic liquids upon addition of molecular solvents?, Journal of Solution Chemistry, vol. 38, no. 5, pp. 589-600, 2009.

N. D.  Khupse and Kumar, A., ?Contrasting thermosolvatochromic trends in pyridinium-, pyrrolidinium-, and phosphonium-based ionic liquids?, Journal of Physical Chemistry B, vol. 114, no. 1, pp. 376-381, 2010.

N. D.  Khupse and Kumar, A., ?Ionic liquids: new materials with wide applications?, Indian Journal of Chemistry Section A-Inorganic Bio-Inorganic Physical Theoretical & Analytical Chemistry, vol. 49, no. 5-6, pp. 635-648, 2010.

N. D.  Khupse and Kumar, A., ?Solvent-induced viscosity changes in ionic liquids - a review?, Proceedings of the National Academy of Sciences India Section A-Physical Sciences, vol. 80, pp. 1-12, 2010.

N. D.  Khupse, Kurolikar, S. R., and Kumar, A., ?Temperature dependent viscosity of mixtures of ionic liquids at different compositions?, Indian Journal of Chemistry Section A-Inorganic Bio-Inorganic Physical Theoretical & Analytical Chemistry, vol. 49, no. 5-6, pp. 727-730, 2010.

N. D.  Khupse and Kumar, A., ?Cosolvent-directed diels-alder reaction in ionic liquids?, Journal of Physical Chemistry A, vol. 115, no. 36, pp. 10211-10217, 2011.

N. D.  Khupse and Kumar, A., ?Delineating solute-solvent interactions in binary mixtures of ionic liquids in molecular solvents and preferential solvation approach?, Journal of Physical Chemistry B, vol. 115, no. 4, pp. 711-718, 2011.

S. Kant Shukla, Khupse, N. D., and Kumar, A., ?Do anions influence the polarity of protic ionic liquids??, Physical Chemistry Chemical Physics, vol. 14, no. 8, pp. 2754-2761, 2012.

S.  Thawarkar, Khupse, N. D., and Kumar, A., ?Solvent-mediated molar conductivity of protic ionic liquids?, Physical Chemistry Chemical Physics, vol. 17, no. 1, pp. 475-482, 2015.

S.  Thawarkar, Khupse, N. D., and Kumar, A., ?Comparative investigation of the ionicity of aprotic and protic ionic liquids in molecular solvents by using conductometry and NMR spectroscopy?, Chemphyschem, vol. 17, no. 7, pp. 1006-1017, 2016.

M.  Konwar, Ali, A. A., Chetia, M., Saikia, P. J., Khupse, N. D., and Sarma, D., ?ESP promoted "on water" click reaction: a highly economic and sustainable protocol for 1,4-disubstituted-1H-1,2,3-triazole synthesis at room temperature?, Chemistryselect, vol. 1, no. 18, pp. 6016-6019, 2016.

S. R.  Thawarkar, Khupse, N. D., and Kumar, A., ?Kinetic profile and catalytic activity of transition metal-based ionic liquids for reduction of nitroarenes via in situ formation of nanoparticles?, Chemistryselect, vol. 2, no. 23, pp. 6833-6843, 2017.

S.  Thawarkar, Thombare, B., and Khupse, N. D., ? Plasmonic behavior of ionic liquid stabilized gold nanoparticles in molecular solvents?, New Journal of Chemistry, vol. 41, no. 21, pp. 12989-12995, 2017.

S.  Thawarkar, Khupse, N. D., and Kumar, A., ?Binary mixtures of aprotic and protic ionic liquids demonstrate synergistic polarity effect: an unusual observation?, Journal of Solution Chemistry, vol. 49, no. 2, pp. 210-221, 2020.