37 resultados para Luciana Ferreira da Costa
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Medicina Veterinária - FCAV
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Pós-graduação em Letras - FCLAS
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O objetivo do presente trabalho foi testar a indução e sincronização do estro em ovelhas utilizando-se diferentes períodos de permanência do progestágeno, dose única de PGF2α ou efeito macho. Para tanto dois experimentos foram realizados: no experimento 1, as ovelhas (n=48) receberam esponjas vaginais impregnadas com MAP (medroxiprogesterona) e foram divididas em 2 grupos: G-9 e G-14, ou seja, MAP por nove ou 14 dias com aplicação de PGF2α na retirada do progestágeno e detecção de estro com reprodutores. Não houve diferenças (p<0,05) na manifestação no estro (69,6 % e 80%), na porcentagem de prenhez (34,8% e 44%) ou de concepção (50% e 55%) nos grupos G-9 e G-14, respectivamente. No experimento 2, as ovelhas (n=151) foram aleatoriamente divididas em 3 grupos: G-6, cada ovelha recebeu MAP por seis dias e aplicação de PGF2α na retirada do progestágeno; G-PGF, cada ovelha recebeu dose única de PGF2α e G-EM para avaliar o efeito macho foram introduzidos machos entre ovelhas previamente separadas dos mesmos. A porcentagem de manifestação de estro foi maior (p<0,05) nos grupos G-6 (58%) e G-PGF (39%) quando comparados ao G-EM (11%). Concluímos ser possível diminuir o tempo de permanência do progestágeno, porém o uso de luteolítico, em período de transição da estacionalidade reprodutiva, sem o progestágeno, resulta em baixa manifestação de estro.
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Introduction: Individuals born from the 1990’s to accompany technological change course and learn how to use the technological resources that have access before they even learn to read or write. In this sense, the literature considers the digital natives or even 'Google generation'. However, it has been questioned their skills to identify information needs and seeking and use of information in the most varied environments digital information available on the Web. Objectives: To characterize the behavior of information seeking in everyday life of a group of teenage students from a private school in Marilia, Sao Paulo. Methodology: A qualitative study with 30 adolescent students of a private school in Marilia, Sao Paulo. Data collection was accomplished at first by means of a questionnaire, based on the research of Hughes-Hussell and August (2007), containing questions about age, gender, hobbies and everyday tasks, and issues the use of computers and the internet, which allowed determination of the social, economic and cultural rights of respondents. Results: have focused on the use of Information and Communication Technologies (ICT) to search access and use information. It was suggested that the "Brotherhood of Informatics', an incentive for students to (re) learn the tools of digital communication and make appropriate use of the resources, products and services on the web to search and effective use of information compatible with their needs and that is tied to the ethical and responsible use of technology environments. Conclusions: The results arising from this study will continue through the continuation of the Confraternity of Computing, which became a "thermometer" on the use of digital information environments and the attitude of the students in front of Information and Communication Technologies in the College “Cristo Rei”.
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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The Richieri-Costa-Pereira syndrome is a rare autosomal recessive disorder characterized by short stature, Robin sequence, cleft mandible, pre/postaxial anomalies and clubfoot. of 15 families reported with this disorder 14 are from Brazil suggesting a founder effect. We studied 15 families using identity-by-descent as a hypothesis to attempt gene localization We have examined through linkage analysis 497 polymorphicmarkers and also performed direct sequencing of exons for 10 candidate genes selected on the basis of their expression in the developing mandible and limb. No evidence for allele sharing at any locus tested or mutations in candidate genes was found. Additional higher resolution mapping, new families and other candidate genes might improve future chances of gene identification. (C) 2003 Wiley-Liss, Inc.
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TEMA:macrossomia é o desvio positivo dos padrões de crescimento normal. OBJETIVO: devido à escassez de estudos das habilidades auditivas nas síndromes macrossômicas, este trabalho objetivou verificar e comparar o desempenho auditivo de dois pacientes e correlacioná-los aos achados complementares. MÉTODO: anamnese, avaliação audiológica, de linguagem, psicológica e de neuroimagem em dois sujeitos do gênero feminino, de oito e dezessete anos. RESULTADOS: sujeito I - normal, sujeito II - alterado. CONCLUSÃO: há uma crescente necessidade em investigar a neurofisiologia da audição nessa população, visto que estudos fonoaudiológicos poderiam propiciar o diagnóstico precoce, favorecendo o processo de intervenção.
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Structural, electrochemical and spectroscopic data of a new dinuclear copper(II) complex with (+/-)-2-(p- methoxyphenoxy) propionic acid are reported. The complex {tetra-mu-[(+/-)-2-(p-methoxyphenoxy)propionato-O,O']-bis( aqua) dicopper(II)} crystallizes in the monoclinic system, space group P2(1)/n with a = 14.149(1) angstrom, b = 7.495(1) angstrom, c = 19.827(1) angstrom, beta = 90.62(1) and Z = 4. X-ray diffraction data show that the two copper(II) ions are held together through four carboxylate bridges, coordinated as equatorial ligands in square pyramidal geometry. The coordination sphere around each copper ion is completed by two water molecules as axial ligands. Thermogravimetric data are consistent with such results. The ligand has an L' type shape due to the angle formed by the beta-carbon of the propionic chain and the linked p-methoxyphenoxy group. This conformation contributes to the occurrence of a peculiar structure of the complex. The complex retains its dinuclear nature when dissolved in acetonitrile, but it decomposes into the corresponding mononuclear species if dissolved in ethanol, according to the EPR measurements. Further, cyclic voltammograms of the complex in acetonitrile show that the dinuclear species maintains the same structure, in agreement with the EPR data in this solvent. The voltammogram shows two irreversible reduction waves at E-pc = -0.73 and -1.04 V vs. Ag/AgCl assigned to the Cu(II)/ Cu(I) and Cu(I)/Cu degrees redox couples, respectively, and two successive oxidation waves at E-pa = -0.01 and +1.41 V vs. Ag/AgCl, assigned to the Cu degrees/Cu(I) and Cu( I)/Cu( II) redox couples, respectively, in addition to the oxidation waves of the carboxylate ligand.