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As rela??es cotidianas e a constru??o da identidade negra
Ferreira, Ricardo Frankllin;Camargo, Amilton Carlos;
Psicologia: Ciência e Profiss?o , 2011, DOI: 10.1590/S1414-98932011000200013
Abstract: the black brazilians have been exposed to situations of daily humiliation. they learn early, through effective mechanisms of ideological reproduction, that the identification characteristics that are positively valued are the white people’s and that they cannot reproduce the ideal of white european in order to be socially accepted. the objective of this study was to emphasize some processes to which black people are led in the construction of their identity, focusing those that occur in everyday situations, especially in the family, school and work situations that reproduce the dominant social norms and tend to maintain the established social order. to understand them, we rely on some evidence, mainly those of a black woman - lígia, 34, a teacher at a public school. her testimony was given through guided conversation. the results suggest that family, school and work are spaces in which racial prejudice undergoes a process of feedback and suggest some processes that can generate new perspectives of action in search of a more just and more human society.
A naturaliza o do preconceito na forma o da identidade do afro-descendente
Ricardo Ferreira Franklin,Amilton Carlos Camargo
Eccos Revista Científica , 2001,
Abstract: This article, coming from two daily life paradigmatic situations, points out some specificities on the ways prejudice and racial discrimination are publicized in Brazil; and how these processes are fed and supported; shows how that context creates difficulties to raise identities supported by positive values and, as a result, make it hard to exercise citizenship. Finally, indicates a process to allow the construction of an African oriented identity. The focus stays at the school environment seen as a place where those processes are reinforced.
Avalia??o do potencial das imagens quickbird ortorretificadas para o mapeamento das propriedades localizadas na área de expans?o e vazios urbanos
Amorin, Amilton;Camargo, Paulo de Oliveira;Miyashita, Priscila Midori;
Boletim de Ciências Geodésicas , 2010, DOI: 10.1590/S1982-21702010000300006
Abstract: the images obtained by the sensor aboard the satellite quickbird provide the applications in many fields due to its high spatial resolution, spectral and temporal and inexpensive to purchase compared to conventional aerial photogrammetry. the supporting points, using the gps navigation along with the programs and async gar2rnx, make post-processing of the observable l1 carrier providing the three-dimensional positioning possible. this paper aims at analysing the positional accuracy provided by the orthorectified quickbird image, for use in pre-registration of properties located in the urban expansion area, as well as in empty urban and that are often not registered physically, affecting the urban realestate cadastre and specially damaging the local territorial planning and management. according to the obtained results, it was possible to map products useful to local governments (city hall) following the standard of cartographic accuracy, fitting into class a for the scale 1:10000, 1:5000 and 1:3000, and class b for the scale 1:2000, and with attractive costs compared to other methods of removal.
Spatial exploration of Streptococcus pneumoniae clonal clustering in S?o Paulo, Brazil
Mouro, Amilton;Kiffer, Carlos;Koga, Paula C.M;Monteiro, Antonio M.V;Camargo, Eduardo Celso Gerbi;Pignatari, Antonio Carlos Campos;
Brazilian Journal of Infectious Diseases , 2011, DOI: 10.1590/S1413-86702011000500008
Abstract: objectives: to examine the spatial distribution of streptococcus pneumoniae and its clonal patterns collected between 2002 and 2006 in s?o paulo, brazil. methods: as part of an observational study in s?o paulo city, brazil, s. pneumoniae isolates routinely cultured from blood, respiratory specimens, or cerebrospinal and other profound fluids were selected. additionally, only isolates with either penicillin (pen) intermediate (i) or resistant (r) status on routine antibiogram were included, in order to obtain a higher probability of clonal isolates. a single i/r s. pneumoniae isolate per patient was included and submitted to genotypic determination by pulsed field gel electrophoresis (pfge). minimum inhibitory concentrations (mics) were determined for the isolates by etest? to pen and other antimicrobials. each isolate was geocoded in a digital map. the kernel function and ratio methods between total isolates vs. clones were used in order to explore possible cluster formations. results: seventy-eight (78) s. pneumoniae community isolates from two major outpatient centers in s?o paulo, brazil, were selected from the databank according to their penicillin susceptibility profile, i.e. r or i to penicillin assessed by oxacillin disc diffusion. of these, 69 were submitted to pfge, 65 to mic determination, and 48 to spatial analytical procedures. preliminary spatial analysis method showed two possible cluster formation located in southwest and southeast regions of the city. conclusion: further analyses are required for precisely determining the existence of s. pneumoniae clusters and their related risk factors. apparently there is a specific transmission pattern of s. pneumoniae clones within certain regions and populations. gis and spatial methods can be applied to better understand epidemiological patterns and to identify target areas for public health interventions.
Cytogenetics studies in thirteen Brazilian species of Phaneropterinae (Orthoptera: Tettigonioidea: Tettigoniidae): main evolutive trends based on their karyological traits
Ferreira, Amilton;Mesa, Alejo;
Neotropical Entomology , 2007, DOI: 10.1590/S1519-566X2007000400003
Abstract: the thirteen species of phaneropterinae here studied can be arranged in four different groups according to their basic karyological traits. all of them share the same kind of chromosomal sex determining mechanism with x0(male) and xx(female). the x chromosome differs among species and always appears heteropycnotic during prophase i, it is the largest in the set and segregates precociously during anaphase i. among the species, the karyotypes varies in fundamental number between 31 to 21. the meaning of these significant changes in the karyotypes in relation to the phylogeny within some large taxonomic group of species is discussed.
Cytogenetics studies in Brazilian species of Pseudophyllinae (Orthoptera: Tettigoniidae): 2n(♂)=35 and fn=35 the probable basic and ancestral karyotype of the family tettigoniidae
Ferreira, Amilton;Mesa, Alejo;
Neotropical Entomology , 2010, DOI: 10.1590/S1519-566X2010000400019
Abstract: the karyotypes of five species of brazilian pseudophyllinae belonging to four tribes were here studied. the data available in the literature altogether with those obtained with species in here studied allowed us to infer that 2n(♂)=35 is the highest chromosome number found in the family tettigoniidae and that it is present in species belonging to pseudophyllinae, zaprochilinae and in one species of tettigoniinae. in spite of that all five species exhibit secondary karyotypes arisen surely by a mechanism of chromosomal rearrangement of centric fusion, tandem fusion and centric inversion types from those with 2n(♂)=35 and fn=35, they share some common traits. the x chromosome is submetacentric (fn=36), heteropicnotic during the first prophase, the largest of the set but its size is rather variable among the species and the sex chromosomal mechanism is of the xo( ♂ ), xx( ♀ ) type. the chromosomal rearrangements involved in the karyotype evolution of the pseudophyllinae and its relationship with those of the family tettigoniidae are discussed and we propose that the basic and the ancestral karyotype of the tettigoniidae is formed by 2n(♂)=35, fn=35 and not by 2n(♂)=31, fn= 31, as usually accepted.
Acesso Universal ao Sistema de Telefonia Fixa no Brasil: esquemas alternativos de financiamento e avalia o dos impactos distributivos sobre o bem-estar das famílias
Paulo Amilton Maia Leite Filho
Contextus , 2004,
Abstract: Atualmente a infra-estrutura de informa o adquire cada vez mais importancia, dado que a partir dela é possível acelerar as transforma es sociais e econ micas. Esta infra-estrutura tem como um de seus insumos fundamen- tais o acesso ao sistema de telecomunica o, notadamente o sistema de telefonia fixa. O aumento do número de usuários conectados aquele sistema é essencial para que a infra-estrutura de informa o possa reverter à sociedade todos os seus benefícios potenciais. Em Leite Filho (2000) é mostrado que existe um impacto positivo para a socieda- de de universalizar o acesso à telefonia fixa no Brasil. Neste sentido, o estudo aqui exposto tem como propósito avaliar se para as famílias que comp e a sociedade brasilei- ra aquele resultado se mantém. A metodologia consistiu na utiliza o da varia o equivalente. O resultado deste estud mostra que os impactos da universaliza o para as famílias é positivo.
Diagnóstico das neuropatias periféricas aspectos gerais da popula??o em estudo: general characteristics of the population under study
Marques Júnior, Wilson;Barreira, Amilton Antunes;
Arquivos de Neuro-Psiquiatria , 1992, DOI: 10.1590/S0004-282X1992000400004
Abstract: the objective of the present investigation was to study the general characteristics of a population of 209 patients with peripheral neuropathies seen tat the university hospital of ribeir?o preto from march 1985 to february 1987. few studies have been devoted to the evaluation of patients in order to investigate the factors that may or may not contribute to the diagnosis of these conditions. the types of neuropathy detected, were (in decreasing order of frequency) : polyneuropathies, mononeuropathies and multineuropathies. acquired forms were particularly outstanding in the first group and brachial plexus injuries in the second. mean patient age was 36.4 years (range: 18 days to 81 years). polyneuropathies prevailed among males and mononeuropathies among females, whereas multineuropathies equally affected males and females. patient follow-up was less than 6 months for 52.6% of cases and less than one year for 7.3%. the significance and importance of these findings are discussed.
Diagnóstico das neuropatias periféricas idade, sexo e ocupa??o em rela??o às etiologias: age, sex and occupation in report to etiology
Barreira, Amilton Antunes;Marques Junior, Wilson;
Arquivos de Neuro-Psiquiatria , 1992, DOI: 10.1590/S0004-282X1992000400007
Abstract: the etiology of 200 cases of peripheral neuropathies was studied taking into account the most affected age ranges, as well as the sex and occupation of the patients. the age ranges of our patients for the polyneuropathies consequent to alcoholism, for diabetic polyneuropathy, for guillain-barré syndrome and for hereditary sensorimotor neuropathies were 20 to 50 years, 10 to 70 years and 0 to 30 years. the age range of patients with leprosy and nerve injury was 20 to 50 years, and more frequently up to 30 years. alcoholic and diabetic polyneuropathies predominantly affected males, whereas injury to the median nerve and multiradiculopathies mainly affected women. approximately 1/3 of the alcoholic polyneuropathies affected laborers. inactivity was reported by 1/3 of the patients with diabetic polyneuropathies, by 25% of the patients with polyneuropathies consequent to alcoholism and by 24% of the patients with undefined polyneuropathies.
A Informa o Contábil e a Hipótese do Mercado Eficiente: um Estudo Empírico Utilizando o Setor de Petróleo, Gás e Biocombustível do Brasil no Período 2006-2009
Anna Paola Fernandes Freire,Paulo Amilton Maia
Revista de Finan?as Aplicadas , 2012,
Abstract: Informa o sempre foi essencial. Neste sentido, a Teoria Contábil vem se desenvolvendo ao longo dos anos para fornecer informa es cada vez mais confiáveis e relevantes para os agentes econ micos com o intuito de ajudá-los em suas tomadas de decis es num ambiente de negócios cada vez mais complexo e incerto. A hipótese dos mercado eficiente estabelece que os pre os das a es no mercado financeiro já incorporam todas as informa es necessárias para a tomada de decis o. Como corolário desta hipótese, os agentes econ micos auferem retornos cuja volatilidade esta em sintonia com os pre os médios vigentes no mercado e aquela independe das informa es contábeis divulgadas pelas empresas. Ou seja, a divulga o dos balan os em data observada publicamente pela BOVESPA n o tem impacto na volatilidade dos retornos das a es negociadas naquela bolsa de valores. Com o intuito de testar a eficiência do mercado, este trabalho modela a volatilidade do retorno de algumas empresas do setor de Petróleo, Gás e Biocombustível através de um modelo T-GARCH. Os resultados sugerem que as informa es contábeis oferecidas nas datas estabelecidas pela BOVESPA n o s o causadores de quebra estrutural na volatilidade das a es das empresas aqui estudadas. Isto implica que a forma semi-forte da hipótese dos mercados eficientes é válida para os pre os das a es dessas empresas.
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