877 resultados para Correa, Paula da Cunha


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The use of gastropod shells by hermit crabs is determined by the availability of shells in the environment or through selection for size and volume. This study analyzed patterns in the use of shells by Dardanus insignis (Saussure, 1858). From January 1998 to December 1999, 386 individuals were collected from two islands at Ubatuba, Sao Paulo. The crabs were measured for cephalothoracic shield length (CSL) and wet weight (CWW). The gastropod shells occupied by hermit crabs were identified, and the shell aperture width (SAW), dry weight (SDW) and internal volume (STY) were measured. The relationships between the dimensions of the gastropod shell and the hermit crabs were evaluated by linear regression analysis. Among the 11 species of gastropod shells used by D. insignis, the most often used was Olivancillaria urceus (31%), followed by Strombus pugilis (22%) and Siratus tenuivaricosus (18%). The shell of O. urceus was used most probably due to its high availability on Couves and Mar Virado islands. The most significant biometric parameter was shell aperture width (F=18.231; p<0.0001), highlighting the importance of this variable for the shell choice by D. insignis at both sites.

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A wedge facies cycle it‟s a body of sedimentary rock, bounded above and below by unconformity and which represents a transgressive-regressive cycle of deposition. This cycle is formed by the following succession of facies: non-marine (N), transitional-coarse texture, and marine-fine texture; The objective of this study have been members of the sandstones and Triumph Siderópolis, seconded by rare calcareous sandstones and very thin limb Paraguaçu. Through analysis of facies in wells testified by CPRM, it was possible to group on facies successions and set the standard stacking. The Triunfo Member consists of three cycles of facies, lithology whose standard indicates a vertical arrangement ''type'' tuning up, other words, a component sandy bottom in the form of '' box'', followed by components sandy-clayey and clayey-carbonaceous (1st and 2nd cycle) and / or shale and limestone (3rd cycle), represented by the base member Paraguaçu. The first cycle only occurs on NF-5 wells and NF-6 in the form of Onlap channel dug in post-Itararé group. The cycle II also reaches wells NF-4 and NF-3 to the north, while the cycle III reaches the southern area, well NF-9. The member Paraguaçu, well PP-25 is predominantly clay-síltico, also stand out limestones and sandstones. The limestones are not coastal marine organisms probably connected with the algae and cyanobacteria, the sandstones are fine-textured, very thin and coastal deposition environment. The member Siderópolis, well NF-2 consists of a sandstone fluvial-estuarine deployed in the valley section, and succeeded by sandstones and siltstones bioturbed, they have linked the transgression of the Fm. Palermo

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O presente relatório científico tem como proposta apresentar o processo de elaboração do livro-reportagem “As vozes que ninguém quer ouvir – Um retrato das presas estrangeiras no Brasil”, fruto do trabalho de conclusão de curso de Ana Navarrete e Juliana Santos. O livro parte da temática de mulheres vindas de outros países que são presas e cumprem pena no Brasil, para apresentar seus perfis, os motivos que as levaram ao cárcere, a vida dentro do presídio, as dificuldades jurídicas por questões de gênero e nacionalidade e a vida pós-prisão. Para isso, foram utilizados três recursos que podem compor um livro-reportagem: a grande reportagem, o perfil literário e o ensaio fotográfico jornalístico. No decorrer deste documento será apresentada a contextualização do tema, a base teórica jornalística, os objetivos, a justificativa e pretensões do trabalho, as dificuldades no processo de produção do livro e as conclusões finais das autoras. O trabalho (desde a confecção do produto, até as pesquisas e a interpretação das alunas sobre o tema) foi guiado sob a ótica dos direitos humanos. O objetivo foi dar voz a essas mulheres e levar até os leitores suas histórias, de maneira a conscientizar e incentivar debates e mudanças na situação das estrangeiras presas no Brasil

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Pós-graduação em História - FCHS

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The importance of this study is based on the need to obtain simple and efficient in vitro models to predict the in vivo toxicity of cosmetics, aiming not to use animals as experimental model. Here, we proposed the use of HepG2 cells, which are widely applied to simulate the hepatic function of the human organism in vitro. This cell line was chose since recent studies have shown that the liver is potentially the most frequently targeted organ by cosmetic ingredients, and beyond that, considering the widely application of in vitro assays to test the cutaneous permeation of cosmetic products, including the assays applying modified Franz cells, this technique becomes indispensable. Three different cosmetic active substances were used, and the toxicity to HepG2 cells was assessed by the MTT method. The treatment with hyaluronic acid showed no toxicity to HepG2 cells. Treating the cells with P. guajava L. extract were verified that increasing the amount of the extract in the media, the cellular viability decreased, and finally, the treatment of alpha-lipoic acid showed a cytoprotective effect in relation to the treatment with propylene glycol. The study demonstrated the suitability in using HepG2 cells to assess the safety of cosmetic active substances, helping in the prediction of if the substance could be hepatotoxic if could reach the bloodstream

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In this paper we analyze how the symbols of land and woman are articulated in the lyric from Ana Paula Tavares. Such motifs, applicants at O lago da lua (1999), will take on a structuring in the poetic universe from this Angolan writer, because architect his being in the world at an existential level and political. Paula Tavares gives her voice to express, with defiance and tenderness, the bitter cry of women prisoners in their own silence. The symbiosis between land and woman works as formative and empowering element of identity

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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