Biological Area
Mostrando 1-12 de 853 artigos, teses e dissertações.
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1. Alumina applied in bone regeneration: Porous α-alumina and transition alumina
Abstract Alumina is a polymorphic bioceramic that has been extensively investigated for application in bone regeneration. Dense α-alumina has been considered a suitable biomaterial for dental and orthopedic implants due to its superior mechanical properties. However, its use is limited due to its high inertia in a biological environment. Recent investigatio
Cerâmica. Publicado em: 2022
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2. Mapping of areas suitable for the application of biosolids in the Quadrilátero Ferrífero region, Minas Gerais, Brazil
Abstract The recovery of degraded areas is imperative for the sustainability of mining activities. The main action implemented to improve the chemical, physical and biological conditions of soils, tailings and sterile deposits is the incorporation of organic material. Biosolids (hygienized sewage sludge) are among the organic materials that can be applied. H
REM - International Engineering Journal. Publicado em: 2022
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3. Optimal, lower and upper temperature thresholds for uredospore germination and germ tube growth of Phakopsora pachyrhizi
RESUMO Em experimentos conduzidos no laboratório, os efeitos de temperaturas e de tempos de exposição na germinação de uredosporos e no crescimento de tubo germinativo de Phakopsora pachyrhizi foram quantificados. O trabalho foi conduzido em câmaras de crescimento do tipo Biological Oxigen Demand (BOD) e avaliados os efeitos das temperaturas (fator ‘
Summa Phytopathologica. Publicado em: 2022
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4. ESTUDOS DE QSAR PARA SARS-CoV-2
The generation of mathematical models through the quantitative relationship between the chemical structure and the biological activity (QSARs) of compounds was used in this investigation. Mathematical models were generated from compounds available in literature that predicting the biological activity against SARS-CoV-2. The data indicate that the parameters
Quím. Nova. Publicado em: 2020-09
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5. IMPLEMENTAÇÃO DO CAMPO DE FORÇA CLAYFF NO GROMACS: UMA APLICAÇÃO EM ESTRUTURA DE CAULINITA
Molecular dynamics techniques are increasingly being used for material science studies, being a theoretical approach based on molecular mechanics studies. GROMACS is a free software that allows the development of simulations of various types of molecules, from biological molecules to inorganic structures associated with the area of materials, requiring the s
Quím. Nova. Publicado em: 2020-06
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6. INFLUENCE OF SOIL TEXTURE, CLIMATE AND VEGETATION COVER ON SECONDARY SOIL SALINIZATION IN PAMPAS PLAINS, SOUTH AMERICA
ABSTRACT Land-use change from herbaceous to woody cover -or vice versa- largely affects water fluxes, which in turn can mobilize existing salts dissolved in the soil, and thereby negatively affect soil and/or water quality and site productivity. Secondary salinization was observed after afforestation at the Northern and Eastern subregions of the Río de la P
CERNE. Publicado em: 2020-06
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7. Multifractal analysis of soil fauna diversity indexes
ABSTRACT The objective of this study was to determine the multifractality of diversity indexes of edaphic fauna in areas with natural vegetation and in agricultural systems. Biological sampling was carried out in seven treatments (millet, maize, soybean, eucalyptus, preserved cerrado, disturbed cerrado and pasture), containing 130 pitfall traps, distributed
Bragantia. Publicado em: 2020-03
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8. Biological and Mechanical Heart Valves Under a New Spotlight: Paradigm Shift and New State of the Art
ABSTRACT The need for crop rotation and profitability in lowland areas are the two main reasons for the introduction of soybean cultivation in the state of Rio Grande do Sul, Brazil. These areas have poor natural drainage, which impedes proper soybean growth. In this sense, this study aimed to assess the efficiency of using broad base ridges in comparison to
Int. J. Cardiovasc. Sci.. Publicado em: 2020-02
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9. Bioterrorismo: capacitar para responder
RESUMO A utilização de agentes biológicos com a finalidade de aterrorizar inimigos surgiu há muitos séculos. Essa ação foi popularizada como bioterrorismo. Ataques bioterroristas são perigosos devido ao envolvimento de diversos fatores, como a forma silenciosa na qual pode ocorrer, o tipo e a forma de transmissão do agente biológico utilizado, depe
Saúde debate. Publicado em: 13/01/2020
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10. Competency Profile in Genetics for Physicians in Brazil: A Proposal of the Brazilian Society of Medical Genetics and Genomics
RESUMO Educação em genética é fundamental para o entendimento dos aspectos biológicos do binômio saúde-doença. Além disso, com a mudança do perfil epidemiológico, as doenças com determinantes genéticos tornaram-se mais relevantes como problema de saúde pública. Assim, manejar estas doenças, tanto em pacientes como em suas famílias, de forma
Rev. bras. educ. med.. Publicado em: 13/01/2020
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11. PLANT RICHNESS AND LIFE FORM DIVERSITY ALONG VEGETATION AND FOREST USE GRADIENTS IN NORTHWESTERN PATAGONIA OF ARGENTINA
ABSTRACT The imbalace between the increase in the demand and the decrease in the supply of products from natural forests, partly explains the on-going development of exotic tree plantations. In northwestern Patagonia of Argentina, Pinus ponderosa (Pinaceae) afforestation plays a key role in ameliorate degraded soils, but may also reduce biodiversity. The eco
CERNE. Publicado em: 20/12/2019
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12. A pós-graduação na educação física brasileira: condições e possibilidades das subáreas sociocultural e pedagógica
Resumo Esta pesquisa teve por objetivo traçar um panorama da atual configuração da pós-graduação stricto sensu da educação física brasileira; analisar as condições e possibilidades de expansão das subáreas sociocultural e pedagógica; e analisar a configuração do Qualis Periódicos da área 21, referente ao quadriênio 2013-2016. O estudo teve
Rev. Bras. Ciênc. Esporte. Publicado em: 13/12/2019