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Day two of the 3rd Bangalore Nano organized by The Department of IT, BT and S&T, Government of Karnataka under the guidance of Vision Group on Nanotechnology, opened with a Plenary Session on Nano-Materials, chaired by Dr. S Sampath - Professor, Department of Inorganic and Physical Chemistry, IISc featuring a galaxy of speakers, namely - Dr. Dunbar P Birnie III - Chair Professor, Rutgers, The State University of New Jersey, Mr. Stefan Bill - MD, Rewitec Gmbh, Germany, Prof. Sarit Kumar Das, Professor, Heat Transfer and Thermal Power Lab, Dept of Mechanical Engineering, IIT, Chennai, Mr. Gregory Favaro - Marketing Manager, CSM Instruments, Switzerland, Dr. Samik Kumar Hait - Sr Research Officer, Nanotechnology Department, Indian Oil R& D Center and Dr. K Lakshmi Kantam - Head, Inorganic and Physical Chemistry Division, Indian Institute of Chemical Technology.
The importance of nano materials is growing day-by-day, as they promise exiting solutions in developing efficient end products compared to the present conventional products, especially in the fields of medicine and engineering. Several innovations were showcased and presented on day two of Bangalore Nano 2010.
Chairing the session Dr. S Sampath, said "The subject of nano materials by itself is a result of multi disciplinary functions. It cuts across the traditional categorization of subjects. When used by integrating knowledge of various subjects, nanotechnology can deliver most advanced and precision materials for many applications."
Dr. Dunbar P Birnie III, speaking on one of the applications of nanotechnology said, "Nano structure improvements help to produce high quality Dye Sensitized Solar Cells (DSSC). This dye sensitized nano technology can lead to the production of low cost printable cells. Processes like emulsion templates make it possible to achieve better composite conductivity."
Mr. Stefan Bill of Rewitec based in Germany said that their technology reduces friction on the surface of materials, which results in reduced noise and improved lifetime of engines. This nano-coating technology not only improves fuel efficiency but also protects surfaces of gear boxes in shipping, automobile, mining, and cement manufacturing machines and also reduces emissions from cars to a great extent. Durable wear protection and reconditioning for high loaded bearings, gearboxes and engines is another benefit. Nanocoating the metal surfaces while the system is running, helps industries like wind mills and cement units, where-in stopping a system for repairs would become a costly affair, taking several weeks to months to get back on track. Citing an example, he said, "lifespan of a gear box in wind turbines is normally 20 years, but many have not seen a day beyond seven years of normal functioning but coating them with nano-materials can double their lifespan."
Prof. Sarit Kumar Das, said, "Using photothermal nanoantennas for tumor ablation revolutionise the cancer treatment in future. Early detection is the key for better treatment of cancer. Normally, more radiation goes into the neighboring cells than to the tumor cells damaging them during laser treatment. But, if we deliver magnetic nanoparticles via DNA mediated treatment, the neighboring healthy tissues remain untouched. The same nanotechnology can be used to treat tumors in deeper parts of the body. Surface coated gold nano rods can be an effective therapeutic tool for treating tumors in an efficient way. In fact, multi disciplinary collaborations have made it possible to achieve successful results in lab rats."
Mr Gregory Favaro, spoke on mechanical characterization of ultra thin nano coatings on cutting tools to improve their efficiency, ten folds or more.
"Nanotechnology intervention in petroleum products is improving the efficiency of lubricants by achieving reduced friction, higher thermal conductivity, and enhanced reserve basicity. Nanoparticles require only in small quantities for such applications. Infact, IOC is the first Indian company to use nanotechnology in lubricant research." said Dr. Samik Kumar Hait.
Dr. K Lakshmi Kantam, said, "Nano catalysis has wide ranging applications in pharma and petroleum industries. Petrochemical products account for 39% of global chemical market. Fine chemicals, pharmaceuticals are major beneficiaries of nanocatalysis. IICT has developed a process based on nano catalysis to convert waste plastics into fuel oil. This technology is transferred to a company to commercialise it."
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