Now showing items 1-10 of 354
A prelude to the fractional calculus applied to tumor dynamic
(TEMA. Tendências em Matemática Aplicada e Computacional, 2014) [Artigo]
In order to refine the solution given by the classical logistic equation and extend its range of applications in the study of tumor dynamics, we propose and solve a generalization of this equation, using the so-called ...
Growth performance of Nile tilapia, Oreochromis niloticus, fed diets containing levels of pyridoxine and haematological response under heat stress
(Aquaculture Research, 2012-07-01) [Artigo]
In order to assess the effect of dietary pyridoxine supplementation on the growth performance of Nile tilapia and the haematological response under heat stress, 192 fingerlings (8.41 +/- 0.22 g) were randomly distributed ...
A Program of Health Education Promotion by Nursing Can Improve Blood Pressure Control and Quality of Life in Hypertensive Patients?
(Hypertension, 2011-11-01) [Resumo]
Comparison of methodologies for degree-day estimation using numerical methods
(Acta Scientiarum: Agronomy, 2011-09-01) [Artigo]
O desenvolvimento de projetos relacionados ao desempenho de diversas culturas tem recebido aperfeiçoamento cada vez maior, incorporado a modelos matemáticos sendo indispensável à utilização de equações cada vez mais ...
Tropical Healthcare Epidemiology: Weather Determinants of the Etiology of Bloodstream Infections in a Brazilian Hospital
(Infection Control and Hospital Epidemiology, 2014-01-01) [Artigo]
We studied the influence of weather on the etiology of healthcare-associated bloodstream infections in a hospital in Brazil during the years 2005--2010. Monthly average temperatures were positively associated with higher ...
Spatial distribution of dengue incidence and socio-environmental conditions in Campinas, São Paulo State, Brazil, 2007
(Cadernos de Saúde Pública, 2013-08-01) [Artigo]
This study aimed to analyze the spatial distribution of dengue risk and its association with socio-environmental conditions. This was an ecological study of the counts of autochthonous dengue cases in the municipality of ...
Investigation of Risk Factors and Characteristics of Dance Injuries
(Clinical Journal of Sport Medicine, 2011-11-01) [Artigo]
Objective: The aim of the present study was to identify risk factors for the occurrence of sport injuries in dancers related to anthropometric variables, training, and specific dance characteristics.Design: One-year, ...
Population dynamics, life stage and ecological modeling in Chrysomya albiceps (Wiedemann) (Diptera: Calliphoridae)
(Neotropical Entomology, 2011-03-01) [Artigo]
In this study we investigated the population dynamics of Chrysomya albiceps (Wiedemann) with laboratory experiments, employing survival analysis and stage structure mathematical models, emphasizing survival among life ...
Cryoprotective effect of different glycerol concentrations on domestic cat spermatozoa
(Theriogenology, 2013-10-15) [Artigo]
Cryopreservation of spermatozoa is a pivotal tool in assisted reproduction, and studies aiming to establish optimal freezing/thawing protocols are essential to enhance sperm survival. The objectives of the present study ...
Modulation of thyroid hormone receptors, TR alpha and TR beta, by using different doses of triiodothyronine (T3) at different times
(Arquivos Brasileiros de Endocrinologia & Metabologia, 2013-07-01) [Artigo]
Objective: To examine the effect of different doses of triiodothyronine (T3) on mRNA levels of thyroid hormone receptors, TR alpha and TR beta, at different times. Materials and methods: 3T3-L1 adipocytes were incubated ...