Genetic Engineering
Mostrando 13-24 de 360 artigos, teses e dissertações.
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13. Genetic engineering of cotton with a novel cry2AX1 gene to impart insect resistance against Helicoverpa armigera
Abstract Embryogenic calli of cotton (Coker310) were cocultivated with the Agrobacterium tumefaciens strain LBA4404 harbouring the codon-optimised, chimeric cry2AX1 gene consisting of sequences from cry2Aa and cry2Ac genes isolated from Indian strains of Bacillus thuringiensis. Forty-eight putative transgenic plants were regenerated, and PCR analysis of thes
Crop Breed. Appl. Biotechnol.. Publicado em: 2016-09
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14. Application of optimization for improvement of the efficiency of louvered-fin compact heat exchangers
Abstract A few decades ago, the product development process was just based on a trial and error procedure, and the designer's experience. The need for a new way to design and manufacture more economical and sustainable products corroborates increasingly to a new vision of how to create new products for the benefit of society. Modern numerical tools allow gre
REM, Int. Eng. J.. Publicado em: 2016-09
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15. An Implementation of Self-Organizing Maps for Airfoil Design Exploration via Multi-Objective Optimization Technique
ABSTRACT Design candidates obtained from optimization techniques may have meaningful information, which provides not only the best solution, but also a relationship between object functions and design variables. In particular, trade-off studies for optimum airfoil shape design involving various objectives and design variables require the effective analysis t
J. Aerosp. Technol. Manag.. Publicado em: 2016-06
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16. The correlation between the central carbon metabolic flux distribution and the number of shared enzyme regulators in Saccharomyces cerevisiae
The central carbon metabolic system is the upstream energy source for microbial fermentation. In addition, it is a master switch for increasing the production of metabolites and an important part of the microbial metabolic network. Investigation into the relationship between genes, environmental factors, and metabolic networks is a main focus of systems biol
Braz. arch. biol. technol.. Publicado em: 06/05/2016
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17. Analysis for the presence of determinants involved in the transport of mercury across bacterial membrane from polluted water bodies of India
Abstract Mercury, which is ubiquitous and recalcitrant to biodegradation processes, threatens human health by escaping to the environment via various natural and anthropogenic activities. Non-biodegradability of mercury pollutants has necessitated the development and implementation of economic alternatives with promising potential to remove metals from the e
Braz. J. Microbiol.. Publicado em: 2016-03
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18. On Using Quasi-Newton Algorithms of the Broyden Class for Model-to-Test Correlation
ABSTRACT: The correlation of a model with test results is a common task in engineering. Often genetic algorithms or adaptive particle swarm algorithms are used for this task. In this paper another approach is presented using two quasi-Newton algorithms of the class defined by Broyden. A study was conducted with thermal models showing the performance of this
J. Aerosp. Technol. Manag.. Publicado em: 2014-12
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19. Delivery of the Sox9 gene promotes chondrogenic differentiation of human umbilical cord blood-derived mesenchymal stem cells in an in vitro model
SRY-related high-mobility-group box 9 (Sox9) gene is a cartilage-specific transcription factor that plays essential roles in chondrocyte differentiation and cartilage formation. The aim of this study was to investigate the feasibility of genetic delivery of Sox9 to enhance chondrogenic differentiation of human umbilical cord blood-derived mesenchymal stem ce
Braz J Med Biol Res. Publicado em: 18/03/2014
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20. Biotechnology of polyketides: new breath of life for the novel antibiotic genetic pathways discovery through metagenomics
The discovery of secondary metabolites produced by microorganisms (e.g., penicillin in 1928) and the beginning of their industrial application (1940) opened new doors to what has been the main medication source for the treatment of infectious diseases and tumors. In fact, approximately 80 years after the discovery of the first antibiotic compound, and despit
Braz. J. Microbiol.. Publicado em: 2013-12
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21. A Química na agricultura: perspectivas para o desenvolvimento de tecnologias sustentáveis
Food production and preservation of the environment are among the challenges faced by contemporary society. In Brazil, as in most parts of the world, the possibility of increasing the agricultural area is limited by several factors. Thus, an increase in productivity through the application of innovative technologies is regarded as the best solution to overco
Quím. Nova. Publicado em: 2013
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22. Fisiologia da fermentação alcoólica : análise da expressão gênica de uma linhagem industrial de Saccharomyces cerevisiae durante o processo fermentativo / Physiology of the alcoholic fermentation : gene expression analysis of a Saccharomyces cerevisiae industrial strain during the fermentation process
A fermentação alcoólica realizada por leveduras da espécie Saccharomyces cerevisiae é atualmente o principal processo em escala econômica para a produção de etanol a partir de fontes renováveis (bioetanol). Entretanto, as linhagens isoladas há quase duas décadas vêm perdendo gradualmente seu desempenho fermentativo ao longo dos anos, reduzindo o
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 31/07/2012
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23. Redes neurais com topologias otimizadas aplicadas na modelagem de dados geotécnicos e pluviométricos para predição de deslizamentos de solo
The problems related to landslides caused by rain on slopes have been a reality in several cities of Brazil and parts of the world. The government and research institutions have sought, in partnership, solutions to minimize the damage caused by such accidents, from studies of correlation between rainfall and landslide occurrences enabling the development of
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 28/06/2012
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24. Aplicação de redes neurais artificiais no processo de ajuste de histórico / Application of artificial neural networks in the history matching process
The history matching process is one of the most important stages involving studies of reservoirs, because with the adjusted reservoir model, the production forecasts can be done with higher reliability and different production strategies can be evaluated to obtain greater final recovery associated with less costs. However, this process have several problems
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 24/05/2012