D. K.  Singh, Jagannathan, R., Khandelwal, P., Abraham, P. Mary, and Poddar, P., ?In situ synthesis and surface functionalization of gold nanoparticles with curcumin and their antioxidant properties: an experimental and density functional theory investigation?, Nanoscale, vol. 5, no. 5, pp. 1882-1893, 2013.

P.  Sharma, Singh, D. K., Gupta, V., Asthana, B. P., Mishra, P. C., and Singh, R. K., ?Study of hydration of sarcosine, formation of its zwitterion and their different oligomers in aqueous media: a Raman spectroscopic and theoretical study?, Spectrochimica Acta Part A-Molecular and Biomolecular Spectroscopy, vol. 116, pp. 74-83, 2013.

P.  Khandelwal, Singh, D. K., Sadhu, S., and Poddar, P., ?Modulation of reaction kinetics for the tuneable synthesis of gold nanoparticles and quantum clusters: application of gold quantum clusters as ``turn-off'' sensing probe for Sn4+ ions?, ChemPlusChem, vol. 79, no. 1, pp. 134-142, 2014.

P.  Khandelwal, Singh, D. K., Sadhu, S., and Poddar, P., ?Study of the nucleation and growth of antibiotic labeled Au NPs and blue luminescent Au-8 quantum clusters for Hg2+ ion sensing, cellular imaging and antibacterial applications?, Nanoscale, vol. 7, no. 47, pp. 19985-20002, 2015.

P.  Khandelwal, Singh, D. K., and Poddar, P., ?Advances in the experimental and theoretical understandings of antibiotic conjugated gold nanoparticles for antibacterial applications?, ChemistrySelect, vol. 4, no. 22, pp. 6719-6738, 2019.