Importance Sampling
Mostrando 1-12 de 291 artigos, teses e dissertações.
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1. Hereditary hemochromatosis beyond hyperferritinemia: Clinical and laboratory investigation of the patient’s profile submitted to phlebotomy in two reference centers in southern Brazil
Abstract Hereditary Hemochromatosis is a disorder characterized by iron deposition in several organs and hyperferritinemia. The most studied variants are linked to the HFE gene. In Brazil, surveys that characterize this population are scarce, with no sampling in the state of Rio Grande do Sul. Our objective is to carry out a data collection focusing on the p
Genetics and Molecular Biology. Publicado em: 2023
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2. Diseases and disorders associated with different stages of crop development and factors that determine the incidence in Hass avocado crops
ABSTRACT Hass avocado production systems in Colombia have increased to become the third largest area planted for fruit production. A number of factors that limit productivity such as diseases have become of high economic importance. The objectives of this study were to identify the causal agents associated with pathologies in Hass avocado crops in different
Rev. Ceres. Publicado em: 2021-02
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3. Internet addiction in students from an educational institution in Southern Brazil: prevalence and associated factors
Abstract Objective To evaluate the prevalence of Internet addiction (IA) and its associated factors among students at an Educational Institution in Southern Brazil. Method This is a cross-sectional study, targeting a sample of students aged from 14 to 20 years. They were selected by random sampling to be representative of the 4038 students enrolled at th
Trends Psychiatry Psychother.. Publicado em: 2020-12
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4. Reasons for non-vaccination against influenza among older adults with hypertension in Brazil: a cross-sectional study
ABSTRACT The aim of this study was to estimate the prevalence of non-vaccination against influenza among Brazilian older adults with systemic arterial hypertension and determine the main reasons for non-adherence. A cross-sectional study was conducted using data from older adults (≥ 60 years of age) with hypertension who participated in the 2013 National H
Sao Paulo Med. J.. Publicado em: 2020-08
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5. Infectious diseases and the COVID-19 scenario in Brazil
ABSTRACT The aim of this study was to estimate the prevalence of non-vaccination against influenza among Brazilian older adults with systemic arterial hypertension and determine the main reasons for non-adherence. A cross-sectional study was conducted using data from older adults (≥ 60 years of age) with hypertension who participated in the 2013 National H
Braz J Infect Dis. Publicado em: 2020-08
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6. Environmental factors affect population structure of tree ferns in the Brazilian subtropical Atlantic Forest
ABSTRACT Tree ferns are important elements of tropical forests, mainly because they are common and provide microhabitats for epiphytic plants. Due to their ecological importance, the aim of this study was to evaluate population structure, distribution, and influence of environmental variables on tree ferns in the state of Santa Catarina, southern Brazil. All
Acta Bot. Bras.. Publicado em: 2020-03
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7. Relationship between phytoplankton structure and environmental variables in tropical reservoirs with different trophic states
ABSTRACT Phytoplankton structure is influenced by environmental factors, seasonal cycles and the trophic state of the system. The objective of the present study was to identify guilds of phytoplankton species that are representative of seasonality and trophic status. We evaluated phytoplankton biomass and species composition in five tropical reservoirs, with
Acta Bot. Bras.. Publicado em: 2020-03
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8. Plantas alimentícias não convencionais (PANC) na comunidade rural de São José da Figueira, Durandé, Minas Gerais, Brasil.
Resumo Com mais de 46.000 espécies de plantas, o Brasil tem uma das maiores diversidades biológicas do mundo. Essa imensa riqueza ainda é pouco conhecida e sua utilização como alimento tem sido negligenciada. O uso da biodiversidade local na alimentação contribui para a ampliação das fontes de nutrientes disponíveis à população e para a promoç�
Rodriguésia. Publicado em: 20/12/2019
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9. ESTIMATION OF PARAMETERS AND STATES USING A BAYESIAN PARTICLE FILTER FOR THE SULFATE ION ADSORPTION PROCESS IN A FIXED BED COLUMN
Abstract Ensuring that industrial effluents meet quality standards to be released into water bodies is still one of the major environmental concerns. Liquid phase adsoption in fixed bed collumns is one of the most known treatments. Measurements are needed to monitor the process. However, as they are often corrupted by noise from the measuring equipment, perf
Braz. J. Chem. Eng.. Publicado em: 09/12/2019
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10. Accessing the subterranean ant fauna (Hymenoptera: Formicidae) in native and modified subtropical landscapes in the Neotropics
Resumo: Vários estudos têm caracterizado e delimitado assembleias de formigas subterrâneas. A extração de solo, um dos métodos utilizados para amostragem dessa fala, implica na remoção de monólitos. Um dos métodos mais utilizados na extração de monólitos é chamado TSBF (desenvolvido pelo Programa Tropical Soil Biology and Fertility). Esse méto
Biota Neotrop.. Publicado em: 02/12/2019
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11. Significados da utilização de plantas medicinais nas práticas de autoatenção à saúde
RESUMO Objetivo: Compreender os significados que as pessoas atribuem à utilização de plantas nas práticas de autoatenção em situações de padecimento. Método: Pesquisa qualitativa, exploratório-descritiva de orientação etnográfica, ancorada na antropologia da saúde com informantes selecionados via rede de relações. A coleta ocorreu por entre
Rev. esc. enferm. USP. Publicado em: 02/12/2019
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12. Seroprevalence of Leptospira spp. infection in sheep from northwest of Rio Grande do Sul, Brazil
RESUMO: A leptospirose é uma zoonose amplamente distribuída em países tropicais. Essa infecção também está associada a perdas reprodutivas na pecuária, apresentando uma relevância econômica notável. O objetivo deste estudo foi investigar a soroprevalência e os fatores de risco associados à infecção por leptospirose em rebanhos comerciais de ov
Cienc. Rural. Publicado em: 25/11/2019