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Search Results: 1 - 10 of 183210 matches for " Neli de Almeida;Carvalho "
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Efeitos genotóxicos e altera??es de enzimas hepáticas em trabalhadores do refino de petróleo
Gon?alves, Rozana Oliveira;Melo, Neli de Almeida;Carvalho, Fernando Martins;Góes, Roberto Charles;
Jornal Brasileiro de Patologia e Medicina Laboratorial , 2005, DOI: 10.1590/S1676-24442005000500003
Abstract: a case-control study, nested in a cohort study, investigated the association between genotoxic effects and hepatic enzymes alterations among workers in a petroleum refinery, northeast brazil. ten cases of hepatic enzymes alterations - gamma-glutamyltransferase (ggt) and alanine aminotransferase (alt) - representing all incident cases occurring in the refinery during 2002, were examined. ten workers without ggt and alt alterations were selected as controls. the effects of smoking, sex, age and coffee consumption were controlled. the genotoxic effects were evaluated by the sister chromatid exchange (sce) and by the chromosomal aberrations (ca) techniques. mean sce per cell (3.92 ± 1.04 versus 4.25 ± 1.47) and ca per cell (8.85 ± 3.4 versus 9.1 ± 3.7) did not differ significantly between cases and controls respectively.
Cardiac mapping of electrical impedance tomography by means of a wavelet model  [PDF]
Harki Tanaka, Neli Regina Siqueira Ortega, Andre Hovnanian, Carlos Roberto Ribeiro de Carvalho, Marcelo Britto Passos Amato
World Journal of Cardiovascular Diseases (WJCD) , 2013, DOI: 10.4236/wjcd.2013.37073
Abstract: To improve the identification of cardiac regions in Electrical impedance tomography (EIT) pulmonary perfusion images, a model of wavelet transform was developed. The main goal was to generate maps of the heart using EIT images in a controlled animal experiment using a healthy pig and in two human volunteers. The model was capable of identifying the heart regions, demonstrated robustness and generated satisfactory results. The pig images were compared to perfusion images obtained using injection of a hypertonic solution and achieved an average area of the ROC curve of 0.88. The human images were qualitatively compared with Computerized Tomography scan (CT-scan) images.
Thiago de Almeida Carvalho
Rela??es Internacionais (R:I) , 2012,
Detec o de Doen as Sexualmente Transmissíveis em Clínica de Planejamento Familiar da Rede Pública no Brasil
Codes José Santiago de,Cohen Deborah Ann,Melo Neli Almeida de,Santos Alessandra Barbosa
Revista Brasileira de Ginecologia e Obstetrícia , 2002,
Abstract: Objetivo: analisar a prevalência da gonorréia, infec o por clamídia, sífilis e infec o por HIV entre as mulheres de uma clínica de planejamento familiar em fun o da presen a de sintomas de DST e de comportamentos de risco. Métodos: mulheres com as idades entre 18 e 30 anos que freqüentavam os servi os de uma clínica de planejamento familiar da rede pública no Brasil foram testadas para a gonorréia e infec o por clamídia, com o uso do teste de amplifica o do DNA na urina, para a sífilis e a infec o por HIV por meio de exames de sangue. Foram feitas a todas as participantes perguntas sobre comportamento de demanda de servi os de saúde, a presen a de sintomas de DST e comportamentos de risco para as doen as sexualmente transmissíveis. Resultados: a infec o por clamídia foi encontrada em 11,4%, a sífilis em 2%, a gonorréia em 0,5% e a infec o por HIV em 3%. Aproximadamente 60% das mulheres que estavam infectadas por clamídia n o apresentavam sintomas. Mulheres que nunca usavam preservativos apresentaram um risco de DST muito mais alto do que aquelas que sempre ou na maioria das vezes usavam preservativos. Houve tendência para as mulheres que nunca haviam feito uso de qualquer método anticoncepcional de apresentar risco mais alto para as DST do que as mulheres que usavam um método anticoncepcional (p=0,09). Muito poucas mulheres reportaram problemas com o uso de álcool ou de drogas ilegais, mas entre aquelas que reportaram tal uso, o risco de DST foi muito alto, particularmente para o uso de maconha. Conclus es: os achados mais significativos foram as altas taxas de doen as numa popula o de mulheres que reportaram de modo geral comportamentos de baixo risco de saúde. Com base nos nossos achados é essencial que se ofere a o rastreamento de DST/HIV a todas as mulheres com menos de 30 anos que visitam uma clínica de planejamento familiar. Se n o se fizer esse rastreamento mais da metade das mulheres infectadas n o ser o identificadas ou tratadas. Considerando-se a alta sensibilidade e especificidade da nova tecnologia disponível para o rastreamento da infec o por clamídia, gonorréia e infec o por HIV, e a facilidade de se coletarem espécimes de urina para o diagnóstico, mais esfor os devem ser dirigidos para a vigilancia das popula es de risco, para que a prática clínica corrente possa refletir o risco verdadeiro das popula es servidas.
Detec o de doen as sexualmente transmissíveis em ambientes clínicos e n o clínicos na Cidade de Salvador, Bahia, Brasil
Codes José Santiago de,Cohen Deborah Ann,Melo Neli Almeida de,Teixeira Guilherme Gonzaga
Cadernos de Saúde Pública , 2006,
Abstract: O objetivo deste trabalho foi avaliar (1) a aceita o de rastreamento para DST em ambientes n o clínicos por indivíduos assintomáticos, (2) os fatores de risco e prevalência de DST em ambientes n o clínicos e clínicos e (3) o rastreamento n o clínico de popula es assintomáticas como um método viável para controle das DST. Recrutamos 139 participantes masculinos e 486 femininos entre 18 e 30 anos em clínica de planejamento familiar, escolas e comunidades de baixa renda. Inquirimos os recrutados sobre sintomas de DST e comportamentos de risco para DST/HIV e os testamos para gonorréia, clamídia, sífilis e HIV. Exceto pelo HIV, as mulheres recrutadas diretamente da comunidade apresentavam maior prevalência de DST do que as que procuravam a clínica. O rastreamento das DST em ambientes n o clínicos no Brasil é aceitável e vantajoso para jovens em comunidades de baixa renda. Participantes infectados provavelmente nunca teriam procurado assistência, sido testados ou tratados. Medidas para o controle das DST podem ser implementadas em qualquer lugar onde se alcancem as popula es de risco e transformadas em rotina nos servi os de saúde, mesmo entre indivíduos com problemas n o relacionados com DST.
Evaluation of Physical and Mental Quality of Life of Motorcycle Taxi Drivers  [PDF]
Arlete de Carvalho Félix, Alexandra Maria Almeida Carvalho Pinto, Albert Schiaveto de Souza
Journal of Biosciences and Medicines (JBM) , 2016, DOI: 10.4236/jbm.2016.43012

Motorcycle taxi drivers are workers who use motorcycle to carry passengers. Objectives: to identify the sociodemographic profile and evaluate the physical and mental quality of life of motorcycle taxi drivers. Methods: Cross-sectional study, held in Campo Grande, Mato Grosso do Sul-Brazil, from May to July 2015 with 301 participants. To calculate the sample size, the margin of error was 5%, confidence level, 95%; and the drivers were randomly selected. For data collection, two instruments were used: the demographic questionnaire and the SF-36 Health Status Questionnaire. Results: Among the 301 respondents, predominance fell on males (98.7%, n = 297), married or in a stable relationship (63.5%, n = 191), with completed high school education (44.9%, n = 135). More than half felt discomfort while working (52.8%, n = 159). Of those with diagnosed disease the predominant type of disease was hypertension (55.5%, n = 30). When male and female were compared, men had lower average in the mental health aspect (63.39 ± 13.22); and women, in the emotional aspect (41.66 ± 31.91). There were significant differences in the scores of physical functioning (p = 0.002), bodily pain (0.043) and general health perceptions (p = 0.003) of the drivers reporting disease, compared to those who did not reported it. Conclusion: The studied motorcycle taxi drivers are mostly male, married, with high school education. Regarding quality of life, men had lower perception in the general mental health aspect whereas women showed lower perception in the emotional aspects. The individuals with disease had lower perceived quality of life in the physical functioning, bodily pain and general health concepts.

O PROUNI no governo Lula e o jogo político em torno do acesso ao ensino superior
Carvalho, Cristina Helena Almeida de;
Educa??o & Sociedade , 2006, DOI: 10.1590/S0101-73302006000300016
Abstract: this paper aims at understanding the complex and dynamic relationships between the public policy for higher education in lula's administration, in what regards the project university for all (prouni), and its connection with fiscal policy and financing by way of tributary renouncement. it also intends to analyze the conditions of access of poor students and discuss the program as a democratizing public policy. in this context, the civil society approval in search of graduation certificate allied to the pressure of private representatives associations. the attempt to regulate the system and obtain return on the fiscal renouncement allowed to philanthropic institutions was restricted by the legal text, which evolved toward the slackening of the state framework. the author concludes that the obstacle to democratization is the lack of public and free places. to date, the measures aimed at increasing the federal sector are still insufficient to revert this perverse situation.
A vis o dos alunos sobre sua forma o
Ana Maria de Almeida Carvalho
Psicologia: Ciência e Profiss?o , 1989, DOI: 10.1590/s1414-98931989000100005
Fish farming characterization of space in Basin River Cuiabá/MT
Neli Assun??o Silva,Eliana Beatriz Nunes Rondon Lima,Alexandra Natalina de Oliveira Silvino,Aldecy de Almeida Santos
Engenharia Ambiental : Pesquisa e Tecnologia , 2008,
Abstract: The present study aimed to know the spatial distribution of the fish culture, size, water sheet area, cultivated species and the estimated production of fish culture business, defined into Cuiabá river basin. The fish farming secondary data were provided by the Environment State Secretary and systematizated in terms of the spatial distribution using techniques like geoprocessing. Data showed that from 490 registered fish culture, 26.1% didn’t say the geographical coordinates. About 74.3% of the fish culture defined into are micro business, 16.6% are little size, 3.9% are medium size, 0.8% are big size and 4,4% didn’t say the area in the in the register. The basin represents 1,395 ha of water sheet area, with estimated production of 9,128.87 ton year-1. Várzea Grande has the major water sheet area (60.4%), followed by Cuiabá (12.7%), and Nossa Senhora do Livramento (10%), totalizing more than 83%, compared to other cities into the basin. Piaractus mesopotamicus is the favorite specie for the cultive (36.7%) as first category, followed by other species like Colossoma macropomum (female) + Piaractus mesopotamicus (male), 20.9%; Brycon microleps, second category (10%); tambaqui (allochthonous specie) and other categories (12.3%). Pseudoplatystoma corruscans represents 2.5% and Salminus maxillosus, 0.4%. The other species, with 5.6% and 5.2% (NI), didn’t reported. Várzea Grande has the higher percentage in the estimative of fish production, with 53.9%, followed by Cuiabá, with 20.1%.
Microkernel Development for Embedded Systems  [PDF]
Rodrigo Maximiano Antunes de Almeida, Luis Henrique de Carvalho Ferreira, Carlos Henrique Valério
Journal of Software Engineering and Applications (JSEA) , 2013, DOI: 10.4236/jsea.2013.61003

This paper presents the development of a microkernel with a device driver controller for embedded systems. The implementation was done in C language aiming low cost microcontrollers. The proposed system allowed to perform soft real-time activities while keeping the drivers and the application isolated by a secure layer. The callback system proved itself extremely simple to use while still maintaining the security of the system regarding the temporal constraints.

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