Research Interest:

  • Polymers and Materials chemistry
  • Nanotechnology
  • Biomaterials & Tissue Engineering


  • Fuel cell Polymer membranes, Block copolymers, Polymer mixtures, Liquids of ionomers
  • Semiconductor clusters, Nonotubes and nanowires
  • Protein, membrane

Professional Experience

  • 2012- Current- Senior Scientist, National Chemical Laboratory, Pune, India
  • 2008-2011 Post Doctoral Associate, Massachusetts Institute of Technology, Cambridge, MA, USA (Advisor: Prof.Sangeeta N. Bhatia)
  • 2003-2008 Ph.D in Chemistry, Georgia Institute of Technology, Atlanta, GA, USA (Advisor: Prof. Andrew Lyon)

Selected Publications

  • Kim, J.; Singh, N.; Lyon, L. A. “Label-Free Biosensing with Hydrogel Microlenses”, Angew. Chem. Intl. Ed., 2006, 45, 1446-1449. 
  • Kim, J.; Singh, N.; Lyon, L. A. “Displacement Induced Switching Rate of Bioresponsive Hydrogel Microlenses” Chemistry of Materials, 2007, 19, 2527-2532. 
  • Kim, J.; Singh, N.; Lyon, L. A. “Influence of Ancillary Binding and Nonspecific Adsorption on Bioresponsive Hydrogel Microlenses” Biomacromolecules, 2007, 8, 1157-1161. 
  • Singh, N.; Lyon, L. A. “Au Nanoparticle Templated synthesis of pNIPAm Nanogels”,Chemistry of Materials, 2007, 19, 719 -726. (Listed among most accessed articles in Jan-March, 2007)
  • Singh, N.; Bridges, A. W.; García, A. J.; Lyon, L. A., “Covalent Tethering of Functional Microgel Film onto Poly(ethylene terephthalate) Surface” Biomacromolecules, 2007, 8, 3271-3275.
  • Singh, N.; Blackburn, W. H.; Lyon, L. A., “Bioconjugation of Soft Nanomaterials”,Biomedical Nanostructures, Edited by Kenneth E. Gonsalves, Cato L. Laurencin, Craig R. Halberstadt, Lakshmi S. Nair, 2008, John Wiley & Sons, Inc.
  • Singh, N.; Lyon, L.A. “Synthesis of Multifunctional Nanogels using a Protected Macromonomer Approach” Colloid and Polymer Science, 2008, 286,1061-1069. 
  • Bridges A. W; Singh, N.; Burns K.L.; Babensee J. E.; Lyon L. A.; García A. J., “Reduced acute inflammatory responses to microgel conformal coatings” Biomaterials, 2008, 29, 4605–4615. 
  • Lyon, L.A.; Meng, Z.; Singh, N.; Sorrell, C.D.; St. John, A., “Responsive Assemblies and Microgel-Based Materials” Chem. Soc. Rev., 2009, 38, 865 - 874.
  • Agrawal, A.; Min, D.H.; Singh, N.; Haihao, Z.; Birjiniuk, A.; von Maltzahn, G.; Harris, T. J; Xing, D.; Woolfenden, S. D.; Sharp, P. A.; Charest, A.; Bhatia, S. N., “Functional Delivery of siRNA in Mice Using Dendriworms” ACS Nano, 2009, 3, 2495-504.
  • Bridges, A. W.; Whitmire, R. E.; Singh, N.; Templeman, K.L.; Babensee, J. E.; Lyon, L. A.; García, A. J., “Chronic Inflammatory Responses to Microgel-based Implant Coatings”Journal of Biomedical Materials Research, 2010, 94A, 252-258.
  • Singh, N.; Agrawal, A.; Leung, A. K. ; Sharp, P.A.; Bhatia, S.N., “Effect of Nanoparticle Conjugation on siRNA gene silencing” J. Am. Chem. Soc., 2010, 132, 8241–8243
  • von Maltzahn, G.; Park, J. H.; Lin, K. Y.; Singh, N.; Schwöppe, C.; Mesters, R; Berdel, W. E.; Ruoslahti,, E.; Sailor, M.J.; Bhatia, S.N.; “Nanoparticles that Communicate In Vivo to Amplify Tumour Targeting” Nature Materials, 2011, 10, 545–552.
  • Singh, N.; Karambelkar, A.; Gu, L.; Sailor, M.J.; Bhatia, S.N., “Bioresponsive Mesoporous Silica Nanoparticles for Triggered Drug Release”, J. Am. Chem. Soc, 2011, 133, 19582–19585.
  • Singh, N.; Xing D.; Agrawal, A.; Sharp, P.A.; Bhatia, S.N., “Polymeric Nanoparticle for Improved and Multiple siRNA Delivery”, manuscript under preparation, 2012.