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Bianchini, Adalto; Wood, Chris
(2003)
Daphnids (Daphnia magna) were exposed to AgNO3 at 0.303 6 0.017 mg silver/L (46.9% as Ag1), in the absence of food, in moderately hard synthetic water under static conditions for up to 48 h. Results from accumulation ...
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Bianchini, Adalto; Playle, Ricardo; Wood, Chris; Walsh, Patrick
(2005)
In freshwater crustaceans and in both freshwater and marine fish, the key mechanism of acute silver toxicity involves ionoregulatory impairment. An inhibition of the Na+,K+-ATPase located at the basolateral membrane of the ...
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Pedroso, Mariana Saia; Pinho, Grasiela Lopes Leães; Monteiro, Sandra Carvalho Rodrigues; Bianchini, Adalto
(2007)
Acute silver effects on whole-body ion regulation and Na+,K+-ATPase activity were evaluated in the euryhaline copepod Acartia tonsa. Experiments were run at 20 ◦C, three different salinities (5, 15 and 30 ppt), in either ...
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Lopes, Thais Martins; Barcarolli, Indianara Fernanda; Oliveira, Camila Bento de; Souza, Marta Marques de; Bianchini, Adalto
(2011)
In vivo copper accumulation was determined in tissues (mantle, gills, digestive gland, and hemolymph) following exposure to Cu (5mM) for up to 96 h. Mantle was the tissue that accumulated the most Cu, followed by gill, ...
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Maciel, Fabio Everton; Geihs, Marcio Alberto; Vargas, Marcelo Alves; Ramos, Bianca Padovani; Cruz, Bruno Pinto; Machado, Maria Souza; Filadelfi, Ana Maria Caliman; Louzada, Fernando Mazzilli; Nery, Luiz Eduardo Maia
(2009)
N-acetyl-5-methoxytryptamine or melatonin is a multifunctional molecule. The main physiological function, at least in vertebrates, is to transduce to the animal the photoperiodic information and regulate rhythmic parameters. ...
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Izquierdo, Ivan Antônio; Vianna, Mônica Ryff Moreira Roca; Izquierdo, Luciana Adriana; Barros, Daniela Marti; Szapiro, German; Coitinho, Adriana Simon; Muller, Lionel; Cammarota, Martín Pablo; Bevilaqua, Lia Rejane Muller; Medina, Jorge Horacio
(2002)
Many, if not all psychiatric diseases are accompanied by memory disturbances, in particular, the dementias, schizophrenia, and, to an extent, mood disorders. Anxiety
and stress, on the other hand, cause important alterations ...
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Rosa, Carlos Eduardo da; Figueiredo, Marcio de Azevedo; Lanes, Carlos Frederico Ceccon; Almeida, Daniela Volcan; Monserrat, José María; Marins, Luis Fernando Fernandes
(2008)
Growth hormone overexpression increases growth and consequently increases the metabolic rate in fishes. Therefore, the objective of this study was to evaluate the
effects of growth hormone overexpression in zebrafish ...
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Bianchini, Adalto; Bowles, Karl
(2002)
The Biotic Ligand Model (BLM) attempts to predict metal toxicity to aquatic organisms on the basis ofmetal
speciation and effects at the cell surface. Current versions of the BLM for silver and copper consider metal binding ...
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Martins, Camila De Martinez Gaspar; Bianchini, Adalto
(2009)
The effect of water salinity and ions on metallothionein-like proteins (MTLP) concentration was evaluated in the blue crab Callinectes sapidus. MTLP concentration was measured in tissues (hepatopancreas and gills) of crabs ...
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Amado, Lílian Lund; Garcia, Márcia Longaray; Ramos, Patrícia Baptista; Freitas, Ricardo Franco; Zafalon, Bruna; Ferreira, Josencler Luis Ribas; Yunes, João Sarkis; Monserrat, José María
(2009)
Determination of total antioxidant capacity, instead of the measurements of limited
number of antioxidants, is very important for the understanding of how antioxidants
interact with reactive oxygen species (ROS). Several ...
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Monserrat, José María; Bianchini, Adalto
(2000)
Kinetic and toxicological characteristics of fish (Odontesthes argentinensis) and crab (Callinectes sapidus) cholinesterases as well
as methodological conditions to perform reactivation assays using pyridine 2-aldoxime ...
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Trindade, Gilma Santos; Farias, Shirley Leite de Almeida; Rumjanek, Vivian Mary Barral Dodd; Capella, Marcia Alves Marques
(2000)
Photodynamic action has been advocated as an alternative treatment of tumors but the most common used dyes, hematoporphyrin derivatives, are substrate for P-glycoprotein. This study investigated the
MDR-reverting properties ...
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Leão, Janaina de Castro; Monserrat, Laura Alicia Geracitano; Amado, Lílian Lund; Monserrat, José María; Yunes, João Sarkis
(2008)
Oxidative stress induced by microcystins was evaluated in an estuarine worm, Laeonereis acuta (Nereididae).Ten organisms were
exposed to lyophilized cells of a toxic Microcystis aeruginosa strain RST9501
( 2 lg/mL ...
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Gava, Adriana; Freitas, Thales Renato Ochotorena de
(2004)
This paper describes variation at 6 microsatellite loci in 107 specimens of Ctenomys minutus from a chromosomal
hybrid zone on the coastal plain of southern Brazil. Of the 56 alleles uncovered in this study, 39.2% are ...
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Conceição, Laura Isabel Weber; Hildebrand, Cintia Girald; Ferreira, Anderson Augusto; Pederassi, Gustavo de Carvalho; Sabaj, José Alberto Levy; Colares, Elton Pinto
(2009)
A genetic study of the neotropical river otter Lontra longicaudis (Olfers, 1818), which has an unknown conservation status, was carried out at the Taim Ecological Station and the margins of the Vargas stream, Rio Grande ...
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Oddone, Maria Cristina
(2005)
The microscopic structure of the egg capsules of Atlantoraja cyclophora, a species endemic to the Atlantic region of South America, is presented in this paper. In a transverse section, the dorsal face of the egg case is ...
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Rieger, Paulo Juarez; Giraldi, Jackson Luís Benevenutti
(2001)
They are registered for the first time in the South Brazilian coast, the crabs Milhrax hispidlls (Herbst, 1790) and Milhrax lorillgae Rathbun, 1920, which previous Southern limit of di stribution were at Siio Paulo State ...
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Artico, Liane de Oliveira; Bianchini, Adalto; Silva, Kleber Grübel da; Monteiro, Danielle da Silveira; Estima, Sérgio; Oliveira, Larissa Rosa de; Bonatto, Sandro Luis; Marins, Luis Fernando Fernandes
(2010)
The South American sea lion, Otaria flavescens, is widely distributed along the Pacific and Atlantic coasts of South America. However, along the Brazilian coast, there are only two nonbreeding sites for the species (Refúgio ...
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Martins, Sibele da Rocha; Vaz, Marta Regina Cezar; Soares, Maria Cristina Flores; Sassi, Raul Andrés Mendonza
(2008)
O objetivo deste estudo foi analisar o modelo de organização tecnológica da Vigilância à Saúde, nos 22 municípios da 3ª Coordenadoria Regional de Saúde - RS, examinando elementos do seu processo de trabalho e o perfil dos ...
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Souza, Marta Marques de; Boyle, Robert Tew
(2001)
Chick cardiomyocytes, when submitted to hyposmotic swelling, exhibit a partial regulatory volume decrease (RVD). A Ca2+ influx by stretch-activated channels signals a taurine efflux and the RVD at 37°C. We evaluated the ...