Andhra Pradesh - Visakhapatnam   

‘Nanomedicine will eradicate diseased cells precisely'

VISAKHAPATNAM: Convergence of recent advances in nanotechnology with modern biology and medicine has created the new research domain of nanobiotechnology, said a scientist from the Institute of Life Sciences (Bhubaneswar)'s Laboratory of Nanomedicine Sanjeeb K. Sahoo during the international conference on nanoscience, nanotechnology and advanced materials being organised by GITAM University here on Saturday.

Nanomedicine would yield implantable devices 100,000 times smaller than the head of a pin, which would effectively detect diseases without surgical invasion and then eradicate the diseased cells by precisely ‘pumping' medicine to them, Dr. Sahoo explained. Nanomedicine research included the development of diagnostics for rapid monitoring, targeted cancer therapies, localised drug delivery, improved cell material interactions, scaffolds for tissue engineering, and gene delivery systems.

A nanotechnology expert from Canada R.Rao Koganty said that PLGA-based nano particles are approved as suitable for therapeutic formulations for clinical use in humans.

Lactic acid and glycolic acids were the products of degradation of nano particles and were non-toxic, he said.

Dr. Sunita P. Ho of Division of Biomaterials and Bioengineering, Department of Preventive and Restorative Dental Sciences, School of Chemistry, UCSF, San Francisco briefed about the function relationship of a bone-tooth complex and nanotechnology usage.

Vehicle manufacture

Birla Institute of Technology professor S.K. Pradhan said that ordinary uses of metals in vehicle components and vehicle manufacture could be replaced by carbon fibre composites (specific gravity 1.6) to provide significant weight savings while still maintaining structural integrity.

A typical steel auto body weighing -750 kg would weigh only – 155kg if replaced with carbon fibre composites. Commercial aircraft manufacturers have adopted large carbon fibre structures in place of aluminium and achieved 40 per cent reduction in weight and 20 per cent savings in fuel costs.

GITAM University professor P.K. Sarma said that the introduction of nano component in the lubricant on experimental basis showed good results.

Their analysis had revealed a definite improvement in brake thermal efficiency which would ultimately lead to fuel economy by diminishing frictional power in the system.

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