In collaboration with Swiss Federal Institute of Technology, Switzerland, following research paper has been published - Surface second harmonic generation from coumarin 343 dye - attached TiO 2 nanoparticles at liquid - liquid interface.D. D. Pant , Sunita Joshi and Hubert H. Girault, Journal of Nanoparticle Research , 13 (2011) 7057 - 7064.