Results 171 to 180 of about 658,835 (343)

Apoptosis y progresión de fibrosis hepática en enfermedades del hígado

Acta Gastroenterológica Latinoamericana, 2006
Apoptosis es un término griego que significa "caída de las hojas viejas de los árboles en otoño". Esta palabra describe el proceso por el cual células indeseables, dañadas o senescentes son eliminadas de los organismos multicelulares.
María I Schinoni, Raymundo Paraná
doaj  

Numerical analysis of the effects of corrosion on the punching shear capacity of reinforced concrete flat slabs with openings

Structural Concrete, EarlyView.
Abstract The reinforcement corrosion is one of the main degradation mechanisms in reinforced concrete structures. Its effects can harm structural elements by reducing mechanical capacity, mainly due to diminished reinforcement properties and expansive reactions within the concrete.
Vinícius D'Almeida Rodrigues Ramos, Leandro Mouta Trautwein, António Pinho Ramos, Elyson Andrew Pozo Liberati   +3 more
wiley   +1 more source

Utilizaçao da variável diâmetro quadrático médio (dq2), em estimativas volumétricas de Eucalyptus grandis Hill ex-Maiden, na Regiao Central do Paraná [PDF]

, 2013
Décio José de Figueiredo
openalex  

Ecotoxicological Evaluation of Organic Sunscreens Used Worldwide, Alone and in Mixture, on Terrestrial Plants

Environmental Toxicology, EarlyView.
ABSTRACT The environmental hazards of sunscreens are discussed worldwide. However, there are few ecotoxicological studies on these compounds alone for edaphic organisms, and none for their mixtures. Avobenzone (1 and 10 ng/L), octocrylene (10 and 100 μg/L), and oxybenzone (2 and 20 μg/L), alone and in binary combinations (between the lowest and the ...
Diego Espirito Santo, Edson Araújo de Almeida, Elisângela Dusman, A. C. Downs, Regiane da Silva Gonzalez, Osvaldo Valarini Junior, Ana Paula Peron   +6 more
wiley   +1 more source

Molecular characterization and genetic relationships of seven piranha species of the genera Serrasalmus and Pygocentrus (Characiformes: Serrasalmidae) from Paraná-Paraguay, São Francisco and Tocantins River basins in Brazil

, 2019
T. S. Bignotto, V. N. Gomes, T. C. Maniglia, T. A. Boni, Carlos Sérgio Agostinho, Sônia Maria Alves Pinto Prioli, A. J. Prioli   +6 more
openalex   +1 more source

Relationships between social forms of organic horticultural production and indicators of environmental quality: a multidimensional approach in Brazil [PDF]

, 2005
Organic farming (OF) is increasingly considered as a possible alternative for designing a "new rural" in Brazil, where OF covers a wide range of production and certification systems.
Bellon, Stéphane, Santiago de Abreu, Lucimar, Valarini, Pedro J.   +2 more
core  

Effects of Glyphosate on the Planktonic Microbiota: An Experimental Approach

Environmental Toxicology, EarlyView.
ABSTRACT Glyphosate is one of the most widely used herbicides in the world, including in Brazil, and its dispersion through habitats and surface waters can impact entire aquatic ecosystems. However, experimental studies evaluating the effects of pesticides on whole planktonic communities, considering attributes such as richness, density and composition—
Melissa Progênio, Matheus Henrique Oliveira de Matos, Edilaine Corrêa Leite, Bianca Ramos de Meira, João Vitor Bredariol, José Eduardo Gonçalves, Pablo Augusto Poleto Antiqueira, Luiz Felipe Machado Velho   +7 more
wiley   +1 more source

Temporal and spatial distribution of American tegumentary leishmaniasis in north Paraná: 2010-2015

, 2019
Mariana Barbosa Detoni, Débora Messagi Lima, Thaïs Peron da Silva, Laís Fernanda Machado, Fernanda Tomiotto‐Pellissier, Idessânia Nazareth Costa, Wander Rogério Pavanelli, Francisco José de Oliveira, Luiz Antônio Custódio, Ivete Conchon‐Costa, Francine Nesello Melanda   +10 more
openalex   +1 more source

INVENTÁRIO DE ÁREAS ÚMIDAS DA BACIA HIDROGRÁFICA DO RIO SANTA MARIA, NA MICRORREGIÃO DO VÃO DO PARANÃ: “O PANTANAL” DE GOIÁS

Boletim Goiano de Geografia
As áreas úmidas são ecossistemas na interface entre ambientes terrestres e aquáticos e, no Cerrado, elas compreendem um mosaico de vegetações hidrófilas, savanas alagáveis e manchas de florestas alagáveis e secas. Em Goiás, verifica-se que as maiores concentrações de áreas naturais do bioma, estão presentes no norte e nordeste do estado, sobretudo na ...
Ana Elisa de Lima Oliveira, Maximiliano Bayer   +1 more
openaire   +1 more source

Comprehensive Evaluation of Bisphenol A Toxicity Reveals Neurobehavioral, Metabolic, and Reproductive Impairments in Girardia tigrina

Environmental Toxicology, EarlyView.
ABSTRACT Bisphenol A (BPA), a common industrial chemical used in plastics and consumer products, is increasingly detected in aquatic environments, raising serious concerns about its potential ecological impacts. This study evaluated the sublethal and acute toxic effects of BPA on the freshwater planarian Girardia tigrina, a recognized model for ...
Raquel de Jesus Selestrino, Felipe Schaly, Welligton Luciano Braguini   +2 more
wiley   +1 more source