Navegação Ciências Biológicas por Título
Resultados 284-303 de 3009
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Bacteria and yeasts associated to Colonial cheese production chain and assessment of their hydrolytic potential
(2021) [Artigo de periódico]fferent types of microorganisms are important in cheese-making because of the contributions their metabolism offers during the process. Few microorganisms present in Colonial cheese are known, in addition to the ones that ... -
Bacterial contamination of human skin allografts and antimicrobial resistance : a skin bank problem
(2018) [Artigo de periódico]Bacterial contamination remains the major problem in skin banks, even after antimicrobial treatment, and results in high rates of tissue discarding. This study aimed to analyze bacterial contamination in 32 human skin ... -
Bacteriophages in dentistry : State of the art and perspectives
(2019) [Artigo de periódico]Bacteriophages, viruses capable of killing bacteria, were discovered in 1915, but the interest in their study has been limited since the advent of antibiotics. Their use in dentistry is still very limited. The authors ... -
Bandoniozyma gen. nov., a genus of fermentative and non-fermentative tremellaceous yeast species
(2012) [Artigo de periódico]Background: Independent surveys across the globe led to the proposal of a new basidiomycetous yeast genus within the Bulleromyces clade of the Tremellales, Bandoniozyma gen. nov., with seven new species. Methodology/Principal ... -
Bark consumption by the spiny rat Euryzygomatomys spinosus (G. Fisher) (Echimyidae) on a Pinus taeda Linnaeus (Pinaceae) plantation in south Brazil
(2007) [Artigo de periódico]Esse estudo documenta os danos causados por Euryzygomatomys spinosus (G. Fischer, 1814) em plantações de Pinus taeda Linnaeus (Pinaceae) localizadas em Cambará do Sul, Estado do Rio Grande do Sul, Brasil. Em laboratório ... -
Bats and COVID-19: villains or victims?
(2020) [Artigo de periódico]Since the beginning of the COVID-19 pandemic, bats are being pointed as responsible for its origin, even without solid scientific evidence. In this opinion piece, we discuss the most updated information on bats and COVID-19 ... -
A bayesian approach to genome/linguistic relationships in native south americans
(2013) [Artigo de periódico]The relationship between the evolution of genes and languages has been studied for over three decades. These studies rely on the assumption that languages, as many other cultural traits, evolve in a gene-like manner, ... -
Bayesian inferences suggest that Amazon Yunga Natives diverged from Andeans less than 5000 ybp : implications for South American prehistory
(2014) [Artigo de periódico]Background: Archaeology reports millenary cultural contacts between Peruvian Coast-Andes and the Amazon Yunga, a rainforest transitional region between Andes and Lower Amazonia. To clarify the relationships between cultural ... -
Beach ridges, foredunes or transgressive dunefields? Definitions and an examination of the Torres to Tramandaí barrier system, Southern Brazil
(2005) [Artigo de periódico]Muitas barreiras progradantes e alguns campos de dunas têm sido chamadas de planícies de cordões de praia (‘‘beach ridge plains’’), embora a sua gênese seja ainda discutível. O uso dos termos berma, cordão de praia e dunas ... -
Behavioral and biochemical effects of pharmacopuncture (ST 36 and ST 25) in obese rats
(2015) [Artigo de periódico]Background: Acupuncture has been reported as a weight loss treatment for obese patients. The use of pharmacopuncture focusing on behavioral analyses has not yet been studied with the objective of treating obesity. Thus, ... -
Behavioral and environmental on fishing rewards os fishing rewards and the outcomes of alternative management scenarios for large tropical rivers
(2013) [Artigo de periódico]Identifying the factors that influence the amount of fish caught, and thus the fishers’ income, is important for proposing or improving management plans. Some of these factors influencing fishing rewards may be related to ... -
Behavioral deficits in sepsis-surviving rats induced by cecal ligation and perforation
(2007) [Artigo de periódico]Sepsis and its complications are the leading causes of mortality in intensive care units, accounting for 10-50% of deaths. Intensive care unit survivors present long-term cognitive impairment, including alterations in ... -
Behavioral effects of endogenous or exogenous estradiol and progesterone on cocaine sensitization in female rats
(2014) [Artigo de periódico]Cocaine sensitization is a marker for some facets of addiction, is greater in female rats, and may be influenced by their sex hormones. We compared the modulatory effects of endogenous or exogenous estradiol and progesterone ... -
Behavioral manifestations in rodent models of autism spectrum disorder : protocol for a systematic review and network meta-analysis
(2022) [Artigo de periódico]Background: Autism spectrum disorder (ASD) is a neurodevelopmental condition associated with severe social communication, interaction, and sensory processing impairments. Efforts to understand its etiology and pathophysiology ... -
Belostoma dilatatum (Dufour) (Hemiptera, Belostomatidae) hosting metacercariae of Stomylotrema vicarium Braun (Digenea, Stomylotrematidae) in southern Brazil
(2006) [Artigo de periódico]Baratas-d’água (heterópteros aquáticos), Belostoma dilatatum (Dufour, 1863), foram coletadas em canais ao lado de taipas e córregos em plantações de arroz, no Município de Eldorado do Sul, grande Porto Alegre, Estado do ... -
Beneficial effects of treadmill training in experimental diabetic nerve regeneration
(2010) [Artigo de periódico]OBJECTIVES: We investigated the effects of treadmill training (10 weeks) on hindlimb motor function and nerve morphometric parameters in diabetic rats submitted to sciatic nerve crush. MATERIALS AND METHOD: Wistar rats (n ... -
Benefit from the chin-down maneuver in the swallowing performance and self-perception of Parkinson’s Disease patients
(2017) [Artigo de periódico]Aims. To verify the effectiveness of themaneuver application in swallowing therapy with PD. Materials and Method. We performed an open-label trial, with three groups compounds by PD individuals: the experimental group, ... -
Beta-bloqueadores e sindromes depressivas
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Betacellulin overexpression in mesenchymal stem cells induces insulin secretion in vitro and ameliorates streptozotocin-induced hyperglycemia in rats
(2011) [Artigo de periódico]Betacellulin (BTC), a ligand of the epidermal growth factor receptor, has been shown to promote growth and differentiation of pancreatic b-cells and to improve glucose metabolism in experimental diabetic rodent models. ... -
Beta diversity patterns of Bromeliaceae growing on rocky cliffs within the Atlantic Forest in southern Brazil
(2020) [Artigo de periódico]In recent years there has been increasing attention in patterns of β-diversity and mechanisms related to variations in species composition. In this study, we evaluated beta diversity patterns of bromeliads growing on cliffs ...