Saravanan, S.Palanivel, K.M.Kannan, D.Geetha, M.TANUVAS2020-05-302020-05-302011-01http://krishikosh.egranth.ac.in/handle/1/5810146737TNV_VETS INDIA_Jan2011_4-7Nanotechnology (Nano dwarf) is the engineering of functional systems at the molecular scale. The National Nanotechnology initiative (NNI), a government initiative in the USA, describes nanotechnology as: ‘research and development (R&D) aimed at understanding and working with seeing, measuring and manipulating matter at the atomic, molecular and supramolecular levels (NSTC, 2004).en-USArticle