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Colares, Elton Pinto; Colares, Ioni Gonçalves; Bianchini, Adalto; Santos Filho, Euclydes Antonio dos
(2000)
Seasonal variations in body weight, food consumption and blood glucose, total lipids, urea, total proteins, albumin and globulins of captive Amazonian manatees, Trichechus inunguis, were determined. Body weight changed ...
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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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Viola, Haydée Ana María; Furman, Melina; Izquierdo, Luciana Adriana; Alonso, Mariana; Barros, Daniela Marti; Souza, Márcia Maria de; Izquierdo, Ivan Antônio; Medina, Jorge Horacio
(2000)
From mollusks to mammals the activation of cAMP response element-binding protein (CREB) appears to be an important step in the formation of long-term memory (LTM). Here we show that a 5 min exposure to a novel environment ...
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Jacobi, Ubiratã Soares; Fleck, Nilson Gilberto
(2000)
A aveia (Avena spp.) é uma das culturas mais importantes do Sul do Brasil durante a estação hibernal de crescimento. Sabe-se que nela existem agentes alelopáticos, o que torna conveniente o entendimento deste fenômeno na ...
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Souza, Marta Marques de; Boyle, Robert Tew; Lieberman, Melvyn
(2000)
Cultured chick embryo cardiac myocytes submitted to a 180 mOsm/kg hyposmotic solution swell present a regulatory volume decrease (RVD). This RVD is mediated by a Ca2+ influx followed by a 40% loss of total taurine content ...
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Colares, Elton Pinto; Waldemarin, Helen Francine
(2000)
This work was undertaken between March 1997 and February 1998 and aimed at verifying the frequency of utilisation of resting sites by the neotropical river otter (Lutra longicaudis). The banks of a creek located at the ...
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Fonseca, Duane Barros da; Veloso, Valeria Gomes; Cardoso, Ricardo Silva
(2000)
With the aim of estimating the growth parameters, mortality, and reproduction of a population of Excirolana braziliensis, monthly samplings were performed in the period from June 1993 to May 1995 at Prainha Beach, Rio de ...
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Rieger, Paulo Juarez; Beltrão, Roberta
(2000)
This papel' describes the first nine juvenile stages of CyrtogropslIs angll/atus Dana, 1851 obtained in laboratory conditions trom three ovigerous females collected at "Molhes da Barra", Rio Grande, Brazil (32°S and 52°W). ...
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Palma-Silva, Cleber; Albertoni, Edélti Faria; Esteves, Francisco de Assis
(2000)
This investigation of the aquatic macrophyte Eleocharis mutata (L.) Roem. Et Schult. was carried out in Imboassica lagoon, a coastal lagoon in Macaé (22_500S; 44_420W), in the northern part of Rio de Janeiro, Brazil. The ...
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Larsen, Terjes; Dalen, Helge; Boyle, Robert Tew; Souza, Marta Marques de; Lieberman, Melvyn
(2000)
The membrane skeleton in spherical cardiac myocytes subjected to hypo-osmotic challenge was examined by laser scanning confocal microscopy. A distinct cortical layer intimately localized under the plasmalemma was revealed ...
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Born, Guassenir Gonçalves; Bertollo, Luiz Antonio Carlos
(2000)
Cytogenetic studies were carried out in the fish, Hoplias malabaricus, from the Parque Florestal do Rio Doce (Brazil). This population is characterized by 2n 42 chromosomes for both males and females and an XX/XY sex ...
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Belló, André Ricardo Ribeiro; Fortes, Elinor; Klein, Adriane Belló; Belló, Antonio Andréa; Llesuy, Susana Francisca; Robaldo, Ricardo Berteaux; Bianchini, Adalto
(2000)
The effect of Clinostomum detruncatum metacercaria infection on the activities of the antioxidant enzymes superoxide dismutase and catalase in muscle of the freshwater fish Rhamdia quelen was analyzed. Tert-butyl ...
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Gonçalves, Carla Amorim Neves; Santos Filho, Euclydes Antonio dos; Bainy, Afonso Celso Dias
(2000)
Cellular oxidative stress may promote damage
or death in biological systems and may be caused by production of pro-oxidant molecules known as reactive oxygen species (ROS). The aim of this work was to analyze the activity ...
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Bertollo, Luiz Antonio Carlos; Born, Guassenir Gonçalves; Dergam, Jorge; Fenocchio, Alberto Sergio; Moreira Filho, Orlando
(2000)
Hoplias malabaricus, a widely distributed neotropical freshwater fish, shows a conspicuous karyotypic diversification. An overview of this diversity is presented here comprising several Brazilian populations, and some ...
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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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Castro, Ítalo Braga de; Matthews-Cascon, Helena; Fernandez, Marcos Antonio dos Santos
(2000)
O imposex caracteriza-se pelo surgimento de caracteres sexuais masculinos, sobretudo pênis e vaso deferente, em fêmeas de moluscos neogastrópodes. O fenômeno é provocado pela
contaminação da água do mar e/ou da dieta ...
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Vianna, Mônica Ryff Moreira Roca; Izquierdo, Luciana Adriana; Barros, Daniela Marti; Souza, Márcia Maria de; Rodrigues, Carla Gonçalves; Sant´Anna, Márcia Kauer; Medina, Jorge Horacio; Izquierdo, Ivan Antônio
(2001)
Rats implanted bilaterally with cannulae in the CA1 region of the dorsal hippocampus or the entorhinal cortex were submitted to either a one-trial inhibitory avoidance task, or to 5 min of habituation to an open field. ...
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Albertoni, Edélti Faria; Palma-Silva, Cleber; Esteves, Francisco de Assis
(2001)
Imboassica lagoon is an urban coastal lagoon located in the municipality of Macaé (RJ), which has been exposed to a process of artificial eutrophication through the inflow of untreated sewage, as well as artificial openings ...
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Rieger, Paulo Juarez; Santos, Ana Lucia Freitas dos
(2001)
lt is registered for lhe firsl time in lhe Rio Grande do Sul coast, lhe crab Pallopells berllllldellsis Benedict & Rathbun, 1891, which previous southern limit ofdistribution was at Santa Catarina, and now it is extended ...
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Cortez Neto, Angelo; Nicoloso, Alessandra Rigo; Bosa, Andrea; Signori, Luis Ulisses
(2001)
This research objectified to characterize, to mensure and to develop the quality of the service national health clinic of Physiotherapy in one Garrison Hospital. To reach the objectives the well-known quality tools they ...