publicado em 25/01/2013 às 19h12:00
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Dental and biomedical applications in nanotechnology receiving support from CNPq

Brazilian and Canadian Universities unite to strengthen research in the sector, will receive R $ 320 thousand for projects

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A project focusing on the production of nanocelulose for dental applications, biomedical and environmental, among others, involving Universidade Estadual Paulista (UNESP), University of São Paulo (USP) and Canadian universities of Toronto and Trent, was approved by the Special Nanosciences and Nanotechnology CNPq.

In total, R $ 320 thousand dollars will be earmarked for the purchase of equipment for the Center for Nanotechnology, coordinated by Professor Alcides Leão Lopes, Department of Rural Engineering, Faculty of Agricultural Sciences (FCA) of UNESP, Botucatu. Since 2008 we work with nanomaterial vegetable. Now, we have achieved a more continuous flow of funds to the intense collaboration of national and international institutions.

With these new features can virtually complete structure we need, totaling approximately $ 2 million and a half dollars in equipment.

According to Professor Leo, Brazil is fully capable of getting prominence in scientific circles to use nanotechnology (the science field that designs and develops products and technological processes from tiny particles in the nanometer scale, where 1 millimeter is equal 1 million nanos) associated with natural and renewable resources. The advantages of nanoparticles in presence of composite (material formed by adding components with different physical and chemical properties) include weight reduction and improvement of various physical and mechanical properties.

The polymers and various natural fibers are an excellent source of raw material for so-called nanocomposites.

Among the objectives of the approved project is the development of technologies for nanocelulose from biomass residues from agro food, waste paper industry and pulp and fiber plants.

<b> Use of biomaterials in the production of heart valves </ b>

One example is the study conducted in FCA showed that the viability of the use of cellulose nanofibers from pineapple leaves as reinforcement in producing heart valves and other biomaterials.

Similar surveys will be conducted to develop materials used in joint ligaments, timpani and inductors in regeneration and tissue reconstruction.

Altogether, seven specific projects are linked to the main project. However, with the new equipment purchased by the Center for Nanotechnology, work should transcend the medical field. Nanomaterials can have an impact on the automotive industry, civil engineering, packaging, environmental, cosmetic, pharmaceutical, electronics and computing. Other practical uses may include high-strength biocomposites for packaging of consumer products and functional foods.

"The teams involved will gain experience, understand the concepts of research to develop new nanomaterials and participate in multidisciplinary activities with intense international exchange"

The teams involved will gain experience, understand the concepts of research to develop new nanomaterials and participate in activities with multidisciplinary intensive international exchange says Professor Leo Our actions will collaborate to Brazil to have technological and human resources to be a leader in science bionanomateriais and manufacturing of industrial bioproducts and biomedical.

The bill also provides studies for genetic characterization of fibrous plant species used for obtaining nanocelulose. They do not yet have all its features known by researchers. Other plants that have strategic interest, such as the Northeast caroá, banana, pineapple, curauá Amazon will also be studied.

International partnership <b> </ b>

The partnership with Canadian universities collaborating greatly to the success of the research. Like Brazil, Canada is rich in agricultural crops and forest and water resources, with abundant biomass. Both countries are able to provide biomass processing technologies for the new bioeconomy. Within a global context, the two countries are prepared to provide global leadership in the field of sustainability of natural resources, through high-tech innovation in manufacturing products based on renewable raw materials, analyzes Professor Leo

Universities of Toronto and Trent are references in bionanotechnology, industrial biotechnology and innovative creation of biomaterials, but also reminds the teacher Leo the quality of Brazilian partners of the initiative. The Unesp coordinates the research group lignocellulosic composites which includes researchers from the College of Agricultural Sciences, the Institute of Biosciences and the School of Veterinary Medicine (Botucatu campus), and the School of Dentistry (Araraquara campus).

In turn, the USP / Pirassununga is internationally recognized in the areas of biotechnology and plant breeding, production and marketing of natural fibers, biocomposites and study of biomaterials and bioprocesses now. The combination of strength and synergy in the areas of bionanotechnology, industrial bioproducts processing, research and development of biomaterias the base of natural fibers provides a boost to a jump in the formation of highly qualified human resources, transformative technologies and marketing opportunities that would be impossible through individual efforts of either partner.

   Palavras-chave:   Nanotechnology    CNPq    Nanocelulose    Dentistry    Biomedical    Universidade Estadual Paulista    UNESP    São Paulo University    USP   
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