Three species of shrimp, Farfantepenaeus brasiliensis (Latreille, 1817), F. paulensis (Pérez-Farfante, 1967) (Penaeidae) and Macrobrachium acanthurus (Wiegmann, 1836) (Palaemonidae) were sampled at the Imboassica lagoon ...

A comunidade de macrófitas aquáticas desempenha um papel estrutural e funcional de grande importância ecossistêmica em ambientes límnicos de águas rasas. Estes ambientes de lagos rasos e banhados são muito comuns na planície ...

Imposex is characterized by the development of masculine sexual organs in neogastropod females. Almost 120 mollusk species are known to present imposex when exposed to organic tin compounds as tributyltin (TBT) and ...

Compostos organoestânicos(COEs) são utilizados em tintas de ação antiincrustrante aplicadas a embarcações do mundo inteiro, tendo-se revelado altamente tóxicos para diversos componentes da biota marinha. Em mamíferos, os ...

O imposex é um excelente marcador da contaminação marinha por compostos orgânicos de estanho (COEs). Esse fenômeno consiste no surgimento de caracteres sexuais masculinos mensuráveis, em fêmeas de neogastrópodes. Um ...

The study was conducted to test the aqueous extract of Brugmansia suaveolens (AEBs) flowers for their antinociceptive effects in mice. In the hot plate test, a significant increase in reaction time for two doses of AEBs ...

Imposex is the occurrence of male sexual features in female prosobranch mollusks exposed to organotin compounds. Since imposex has measurable characteristics, it has been used as a bioindication tool for the presence of ...

The aim of this study was to estimate growth parameters of two populations of Ligia exotica inhabiting discrete estuarine areas of Patos Lagoon, Rio Grande do Sul, Brazil. Sampling was performed fortnightly at two different ...

Este estudo investigou como fisioterapeutas, que atuam em Cursos de Fisioterapia do RS, se aproximam e articulam sua prática docente com a saúde pública/promoção da saúde. A coleta dos dados foi realizada de abril a outubro ...

Fish have developed protective strategies against monogeneans through immunological responses. In this study, immune adaptive response to parasites was analysed in the pompano Trachinotus marginatus infested by Bicotylophora ...

The estuarine crab Chasmagnathus granulatus (Crustacea, Decapoda, Brachyura) inhabits salt marshes along the South Atlantic coast from Rio de Janeiro (Brazil) to Patagonia (Argentina). In the present study, salinity tolerance ...

This study evaluated the reproductive performance, physical condition and tissue biochemical composition of wild-caught Farfantepenaeus paulensis kept for 50 days in maturation tanks provided with sand or hard substrate. ...

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 ...

In this review, recent developments in monitoring toxicological responses in estuarine animals are analyzed, considering the biomarker responses to different classes of pollutants. The estuarine environment imposes stressful ...

Objetivo: O objetivo desse estudo foi investigar as principais características de aleitamento até o sexto mês de vida de crianças de 0 a 59 meses que apresenta¬ram infecção respiratória e seu estado nutricional atual. ...

Rio Grande, the southernmost Brazilian port and industrial center, is marked by mercurypolluted ground cover. This pollution varies spatially, with levels exceeding 1,000 lg kg-1 in 30% of the urban territory. The risk of ...

The effects of aqueous extracts of Ilex paraguariensis leaves (AEIp) were studied. Mesenteric arterial bed (MAB), precontracted by methoxamine with or without intact endothelium, was mounted on a tissue bath and exposed ...

A variety of biologically active compounds with pharmacological applications has been reported to occur in marine sponges. The present study was undertaken to provide a set of data about an extract from Aplysina caissara, ...

O "chá de bugre", Casearia sylvestris swartz tem sido popularmente usado com várias finalidades. Mais recentemente lhe tem sido atribuido caracteristicas abortivas. Esta possibilidade levou-nos a avaliar a toxicidade dos ...

Three crude extracts of Aplysina caissara, a marine sponge endemic to Brazil, were tested against a hepatoma cell line and Mycobacterium tuberculosis. The results demonstrate that all extracts are toxic and capable of ...