Made available in DSpace on 2016-04-28T14:58:38Z (GMT). No. of bitstreams: 1 2001 - Claudia de Souza.pdf: 251955 bytes, checksum: b69d1d8a6093e5f84e1aeb625a7a998e (MD5) Previous issue date: 2001-02-16 / The objective of this research was to study the relationship between non-conventional, or agroecological coffee production management and the quality of the product. This was a demand of the Association of Small Coffee Producers of Po?o Fundo, Minas Gerais State, Brazil. Six small farms were studied between the months of May and September 1996. Surveys were applied to farmers to find out about the main agricultural practices used by their coffee production. The following chemical and qualitative analyses were performed on the coffee drink from the studied areas: phenolics, poliphenoloxidases, color index and titrable acidity. Macro and micronutrients contents on coffee leaves and soil nutrient levels were evaluated. In addition, visual analysis was also carried out to assess the symptoms of leaf miner caused by Leucoptera coffeella Gu?rin-M?neville & Perrottet, 1842 Lepdoptera: Lyonetiidae (bicho-mineiro) and syndrome of caused by Phoma sp. The farms were typified according to the level of use of practices considered as agroecological or conventional. The results were analyzed by principal component analyses followed by cluster analyses. Two out of the six farms that used the most agroecological practices, formed a distinct group characterized by coffee drink of better quality. However, regarding soil fertility variables, a cluster was formed due to soil acidity. One of the farms using the most agroecological practices, clustered by itself for its lower soil pH, higher exchangeable Al+3 levels and lower Ca+2 levels. The variables related to leaf nutrient levels, were responsible for clustering farms with higher levels of agroecological practices. In this case, clustering took place by the lower levels of leaf S and B and higher levels of Ca and Mg. Also a trend of lower levels of leaf micronutrients on those properties was found. As a recommendation, more attention should be given to soil acidity and micronutrient replacement on those farms. Also, the agroecological practices used by the farms should be studied further since they resulted in better coffee quality. / O objetivo desse estudo foi estudar a rela??o entre o manejo n?o convencional, ou agroecol? gico e a qualidade da bebida de caf?, como resposta a demanda apresentada pela Associa??o de Pequenos Produtores de Po?o Fundo. Seis propriedades foram estudadas entre os meses de maio e setembro de 1996. Entrevistas semi-estruturadas foram aplicadas com objetivo de se conhecer o manejo efetuado nas lavouras de caf?. Foram realizadas an?lises qu?micas qualitativas da bebida do caf? nas ?reas amostradas quanto aos fen?licos totais, polifenoloxidase, ?ndice de cor e acidez titul?vel. Levantamento nutricional das propriedades tamb?m foram efetuados tanto no que diz respeito a an?lises foliares quanto de fertilidade do solo. Al?m disso, foi realizada a observa??o visual quanto ? incid?ncia de sintomas relacionados ? Leucoptera coffeella Gu?rin-M?neville & Perrottet, 1842 Lepdoptera: Lyonetiidae (bicho- mineiro) e da s?ndrome da seca de ponteiros, associados a Phoma sp. As propriedades foram tipificadas quanto ao grau de utiliza??o de pr?ticas consideradas como agroecol?gicas ou convencionais . Os resultados foram analisados por meio de an?lise de componentes principais, seguida de an?lise de conglomerados (clusters) indicaram que as duas propriedades que utilizavam o maior n?mero de pr?ticas agroecol?gicas formaram um grupo distinto, caracterizado por uma qualidade de bebida considerada superior ?s demais. Quanto ?s vari?veis de fertilidade do solo, observou-se um agrupamento relacionando ? acidez do solo; uma propriedade que utilizando o maior n?mero de pr?ticas agroecol?gicas se diferenciou das demais por formar um cluster na regi?o de baixa acidez no solo (pH mais elevado e menor teor de Al troc?vel), bem como menor teor de Ca. As vari?veis de teores foliares tamb?m separaram as duas propriedades de maior uso de pr?ticas agroecol?gicas das demais. Neste caso, a separa??o se deu devido aos menores teores de S e B e uma tend?ncia de maiores teores de Ca e Mg foliares. Os resultados indicam que, apesar do baixo uso de insumos industrializados, a boa qualidade da bebida foi mantida nas duas propriedades de maior grau de uso de pr?ticas agroecol?gicas , embora a acidez do solo estivesse alta (em uma das duas propriedades). H? uma tend?ncia de teores de alguns micronutrientes mais baixos nos cafeeiros dessas propriedades. Assim, como recomenda??es preliminares visando ? melhoria dos cafezais da regi?o estudada, uma maior aten??o deve ser dada aos aspectos de acidez do solo e restitui??o de S e B como tamb?m, as pr?ticas usadas na propriedade considerada como de maior uso de pr?ticas agroecol?gicas devem ser mais estudadas, pois, segundo este estudo relacionam-se a uma melhor qualidade de bebida de caf?.

Submitted by Sandra Pereira (srpereira@ufrrj.br) on 2017-01-25T10:55:06Z No. of bitstreams: 1 2015 - Cassio Marins Ferreira.pdf: 2336646 bytes, checksum: ec3b1734c73a206999579144e063ab1f (MD5) / Made available in DSpace on 2017-01-25T10:55:06Z (GMT). No. of bitstreams: 1 2015 - Cassio Marins Ferreira.pdf: 2336646 bytes, checksum: ec3b1734c73a206999579144e063ab1f (MD5) Previous issue date: 2015-08-28 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior - CAPES / This work intends to present the Dynamic Geometry software GeoGebra to elementary school students. It uses the GeoGebra as a tool for building a step by step procedure to convince students of the veracity of results that have simple statements, but not trivial proofs. The following theorems were worked: Morley's Theorem, Hipparchus Theorem, Stewart's Theorem, Menelaus Theorem and 9-Point Circle Theorem. Demonstrations are held strictly in the traditional way, and in parallel it is used the GeoGebra software, thus giving a playful view of the statements. It is understood that this approach will be more attractive, enabling a better understanding of the theorems by students. The work culminates with the application of a motivational test to a class of basic education after a class in which they worked the 9-Point Circle using GeoGebra / Este trabalho tem a inten??o de apresentar o softwarede Geometria Din?micaGeoGebra ao aluno do Ensino B?sico. Utiliza-se o GeoGebra como ferramenta para a constru??o din?mica de um passo-a-passo para convencer os alunos da veracidade de resultados que possuem enunciados simples, mas demonstra??es n?o triviais. Foram trabalhados os seguintes teoremas: Teorema de Morley, Teorema de Hiparco, Teorema de Stewart, Teorema de Menelau e Teorema do C?rculo de 9 Pontos. As demonstra??es s?o realizadas rigorosamente, da forma tradicional, e em paralelo ? feito o uso do softwareGeoGebra, dando assim uma vis?o l?dica das demonstra??es. Entende-se que esta abordagem ser? mais atrativa, possibilitando uma melhor compreens?o dos teoremas pelos alunos. O trabalho culmina com a aplica??o de um teste motivacional a uma turma do Ensino B?sico ap?s uma aula em que se trabalhou o Teorema do C?rculo dos 9 Pontos utilizando-se o GeoGebra

Submitted by Sandra Pereira (srpereira@ufrrj.br) on 2017-01-30T10:46:27Z No. of bitstreams: 1 2014 - Priscila de Oliveira Silva Maisano.pdf: 823146 bytes, checksum: 794181fc80e4900e6ea3b64b142f9f44 (MD5) / Made available in DSpace on 2017-01-30T10:46:27Z (GMT). No. of bitstreams: 1 2014 - Priscila de Oliveira Silva Maisano.pdf: 823146 bytes, checksum: 794181fc80e4900e6ea3b64b142f9f44 (MD5) Previous issue date: 2014-07-31 / This research was undertaken with the purpose of analyzing the theme "Religiosity and chemical dependency", through the use of religious practices in the treatment of drug addicts in recovery center of Christian confession, in particular Evangelical character. Religious interventions in recovering and licit and illicit drug addicts constitute the object of study of this work, to be developed from the analysis of the conception of religion, Protestant denomination in the prevention and treatment in combating drug abuse by religion. This research proposes to perform a basic research, qualitative analysis and descriptive character, testimonials collected, including via the web, with reference to empirical practices that permeate the internal processing of a particular Evangelical and interdenominational religious institution for the rehabilitation and social integration of drug users, located at a site in the municipality of Nova Igua?u/RJ. With approximately 35 years of activity, this religious institution offers treatment to the drug user and chemical dependent upon occupational therapy, pastoral counseling and interventions and assistance of several churches of different denominations and doctrines which are located in the Baixada Fluminense. In this sense, this research aims to address the relationships between religion and secularization in the contemporary world / Esta pesquisa foi realizada com o objetivo de analisar o tema ?Religiosidade e Depend?ncia Qu?mica?, mediante o uso de pr?ticas religiosas no tratamento de dependentes qu?micos em centro de recupera??o de confiss?o crist?, em particular, de car?ter evang?lico. As interven??es religiosas na recupera??o de usu?rios e dependentes de drogas l?citas e il?citas constitui o objeto de estudo deste trabalho, a ser desenvolvida a partir da an?lise da concep??o da religi?o de denomina??o protestante na preven??o e tratamento no combate ao consumo de drogas pela religi?o. Trata-se de uma investiga??o que se prop?e a realizar uma pesquisa b?sica, de an?lise qualitativa e de car?ter descritivo, com depoimentos coletados, inclusive via web, tendo como refer?ncia emp?rica as pr?ticas que permeiam o tratamento dos internos de uma determinada institui??o religiosa evang?lica e interdenominacional destinada ? reabilita??o e inser??o social de usu?rios de drogas, localizada em um s?tio no munic?pio de Nova Igua?u/RJ. Com aproximadamente 35 anos de atividade, esta institui??o religiosa oferece tratamento ao usu?rio de drogas e dependente qu?mico, mediante terapia ocupacional, aconselhamento pastoral e interven??es e aux?lio de diversas igrejas de diferentes doutrinas e denomina??es situadas na Baixada Fluminense. Neste sentido, esta pesquisa visa abordar as rela??es entre religi?o e seculariza??o no mundo contempor?neo

CAPES / Honey is generally known for its therapeutic value and the determination of its main floral source allows the certification to the consumer the properties related to its origin. Thus, the aim of this work was to evaluate the quality and characterize eleven honeys from Apis mellifera from the state of Rio de Janeiro according to physico-chemical parameters, to phenolics profile, to the antioxidant activity and also through the use of chemonetric analysis applied to 1H NMR data and HPLC-DAD. Two samples of assa peixe, six samples of cambara and three samples of morr?o-de-candeia honeys from diferente regions of Rio de Janeiro were analyzed. The physico-chemical parameters determined were: HMF content and color through a spectrophotometric method, free acidity and pH. The content of free amminoacids was also determined through the c?dmium-ninhydrine together with total proteins via the Bradford method. The antioxidant ability of honeys and their extracts was qualitatively determined through the total phenolics content using the Folin-Denis method. Total flavonoids were determined by the complexation method with aluminium chloride. The quantitative antioxidant activity of honeys was determined by the trapping of the 2,2-diphenyl-1-picryl-hydrazyl (DPPH) radical, by trapping of the ABTS.+ radical and also by the iron reduction method (FRAP). The identification and quantitation of polyphenols in the extracts were done by HPLC-PDA. The use of multivariate analysis for the 1H NMR data and HPLC enabled the distinction of the honeys analyzed in this work. Thus, the use of 1H NMR and HPLC data combined with multivariate analysis may be employed as a new strategy for the fast and non-destructive typification of Brazilian honeys. / No mercado, m?is s?o conhecidos pelo seu poder terap?utico e a designa??o de sua principal fonte floral permite atestar ao consumidor as propriedades de sua origem. Assim, o objetivo deste trabalho foi avaliar a qualidade e caracterizar onze m?is de Apis mellifera provenientes do Estado do Rio de Janeiro, por meio de par?metros f?sico-qu?micos, do perfil de subst?ncias fen?licas, de seus potenciais antioxidantes, al?m de usar m?todos quimiom?tricos aplicados aos dados de RMN de 1H e CLAE-DAD. Para tanto, utilizou-se duas amostras de mel de assa peixe, seis de cambar? e tr?s de morr?o de candeia de diferentes munic?pios do Rio de Janeiro. Os par?metros f?sico-qu?micos avaliados foram: teor de HMF e a cor utilizando m?todo espectrofotom?trico, acidez livre e pH. Al?m dessas determina??es, o conte?do de amino?cidos livre foi avaliado pelo m?todo de c?dmio-ninidrina, e prote?nas totais pelo m?todo de Bradford. A capacidade antioxidante dos m?is e de seus extratos foi avaliada qualitativamente atrav?s do conte?do de fen?licos total pelo m?todo de Folin-Denis, e de flavon?ides total pelo m?todo de complexa??o com cloreto de alum?nio. A quantifica??o do potencial antioxidante foi realizada pela captura do radical 2,2-difenil-1-picril-hidrazil (DPPH), captura do radical livre ABTS.+, al?m do m?todo de redu??o do ?on f?rrico (FRAP). A identifica??o e quantifica??o das subst?ncias polifen?licas dos extratos foi feita por cromatografia l?quida de alta efici?ncia com detector de arranjo de diodos (CLAE-DAD). A aplica??o da an?lise multivariada aos dados de RMN de H e de CLAE-DAD distinguiu os m?is de assa peixe, cambar? e morr?o de candeia produzidos no Estado do Rio de Janeiro. Assim, o uso de RMN de 1H e CLAE-DAD combinado com a quimiometria pode ser uma nova estrat?gia para tipifica??o de m?is brasileiros de forma r?pida e n?o destrutiva.

Submitted by Jorge Silva (jorgelmsilva@ufrrj.br) on 2017-05-10T19:35:53Z No. of bitstreams: 1 2016 - Julio Eduardo Paiva Sena Maia.pdf: 4252378 bytes, checksum: c4558d5e8e37e740e16bcf9b41d1c55b (MD5) / Made available in DSpace on 2017-05-10T19:35:53Z (GMT). No. of bitstreams: 1 2016 - Julio Eduardo Paiva Sena Maia.pdf: 4252378 bytes, checksum: c4558d5e8e37e740e16bcf9b41d1c55b (MD5) Previous issue date: 2016-06-10 / Laser flash photolysis (LFP) studies have been performed in order to investigate the triplet reactivity toward hydrogen and electron donors of the benzo-fused furan psoralens 3-ethoxycarbonyl-2H-benzofuro[2,3-e]-1-benzopyran-2-one (1) and 3-ethoxycarbonyl-2H-benzofuro[3,2-d]-1-benzopyran-2-one (2). Photolysis of the psoralens 1 and 2 results in the formation of the corresponding triplet excited state which is efficiently quenched by DABCO, triethylamine and phenols containing polar substituents. The reaction of the triplet state of 1 and 2 with electron donors (DABCO and triethylamine) leads to the formation of the corresponding anion radical whereas with phenols the corresponding aryloxyl radical was easily detected. Quenching rate constants for psoralen 2 are at least one order of magnitude greater than for 1. The Hammett plot for the reaction of 1 and 2 with phenols yielded a reaction constant ? of - 1.88?0.29 and -1.60?0.21, respectively, which reflects the high electrophilicity of the carbonyl group of both psoralens. / Estudos empregando a t?cnica de Fot?lise por Pulso de Laser foram realizados a fim de investigar a reatividade dos estados excitados triplete dos benzopsoralenos 3-etoxicarbonil-2-H-benzofuro[2,3-e]-1-benzopiran-2-ona (Pso 1) e 3-etoxicarbonil-2-H-benzofuro[3,2-d]-1-benzopiran-2-ona (Pso 2) frente a doadores de el?tron e hidrog?nio. A fot?lise dos psoralenos Pso 1 e Pso 2 resulta na forma??o do estado excitado triplete correspondente os quais reagem de forma eficiente com DABCO, trietilamina, fenol e seus derivados contendo substituintes polares. A rea??o dos estados excitados triplete de Pso 1 e Pso 2 com doadores de el?tron (DABCO e trietilamina) levou ? forma??o do ?nion radical correspondente, enquanto que na presen?a de doadores de hidrog?nio como o fenol e seus derivados houve forma??o dos radicais fenoxila correspondentes. As constantes de velocidade obtidos para Pso 2 s?o pelo menos uma ordem de grandeza maior do que as obtidas para Pso 1. Um gr?fico de Hammett para as rea??es do triplete de Pso 1 e Pso 2 frente a fen?is e seus derivados produziu constante de rea??o (?? de - 1,88?0,29 e de -1,60 ? 0,21, respectivamente, o que reflete a alta eletrofilicidade do grupo carbon?lico para ambos os benzopsoralenos.

Submitted by PPG Educa??o em Ci?ncias e Matem?tica (educem-pg@pucrs.br) on 2018-09-03T14:37:02Z No. of bitstreams: 1 DISSERTACAO THIAGO VICENTINI versao final homologada.pdf: 4848195 bytes, checksum: 3f2f02a4f9197c713b4a6b157130b8b9 (MD5) / Approved for entry into archive by Sheila Dias (sheila.dias@pucrs.br) on 2018-09-05T14:41:17Z (GMT) No. of bitstreams: 1 DISSERTACAO THIAGO VICENTINI versao final homologada.pdf: 4848195 bytes, checksum: 3f2f02a4f9197c713b4a6b157130b8b9 (MD5) / Made available in DSpace on 2018-09-05T14:54:21Z (GMT). No. of bitstreams: 1 DISSERTACAO THIAGO VICENTINI versao final homologada.pdf: 4848195 bytes, checksum: 3f2f02a4f9197c713b4a6b157130b8b9 (MD5) Previous issue date: 2018-03-28 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior - CAPES / This research contains information on four collections of textbooks of the Chemical component approved in the PNLD of 2015 address the chemical knowledge, promoting requisites for the formation of mental representations, in Peirce (1974), and avoiding epistemological obstacles, in Bachelard. For this analysis, chapters of Chemical Reactions, Chemical Kinetics and Alcohol function were selected as sources of texts for the investigation, due to the importance of this knowledge for the academic level of Basic Education. The texts were analyzed qualitatively, relating the main characteristics of the essays of the chapters with the theoretical assumptions that guided the investigation. With respect to the approach of aspects of chemical knowledge and mental representations, the analysis aimed to understand convergent characteristics in the writing of the texts with the theory of Jonhstone, assumptions of Mortimer and the semiotic theory of Peirce. With regard to the epistemological obstacles, tables were built to identify and categorize the impediments identified in the texts. With the end of the analysis, it was understood that the books do not have the same properties regarding the ways of approaching chemical knowledge, and most of the texts presented deficiencies in relation to the phenomenological approach. Regarding mental representations, most of the books did not demonstrate adequate characteristics, mainly related to the First level, initial stage for the formation of a mental representation. Regarding the epistemological obstacles, a small quantity was identified, not having any relevance to impair the learning of the chemical knowledge present in the textbooks. / Esta pesquisa teve por objetivo compreender como as quatro cole??es de livros did?ticos do componente Qu?mica aprovados no PNLD de 2015 abordam os conhecimentos qu?micos, na perspectiva de Johnstone (1993) e Mortimer, Machado e Romanelli (2000), como promovem requisitos para forma??o de representa??es mentais, em Peirce (1974), e como se comportam em rela??o aos obst?culos epistemol?gicos, em Bachelard (1996). Para esta an?lise, foram selecionados cap?tulos de Rea??es Qu?micas, Cin?tica Qu?mica e Fun??o ?lcool como fontes de textos para a investiga??o, devido ? import?ncia desses conhecimentos para o n?vel acad?mico da Educa??o B?sica. Os textos foram analisados qualitativamente, relacionando as principais caracter?sticas das reda??es dos cap?tulos com os pressupostos te?ricos que orientam a investiga??o. Por meio da an?lise empreendida, conclui-se que as obras n?o possuem as mesmas propriedades referentes aos modos de abordar os conhecimentos qu?micos, tendo a maioria dos textos apresentados defici?ncias em rela??o ? abordagem fenomenol?gica. Sobre as representa??es mentais, grande parte dos livros n?o demonstraram caracter?sticas adequadas, principalmente relacionadas com a primeiridade, est?gio inicial para a forma??o de uma representa??o mental. Referentes aos obst?culos epistemol?gicos, uma quantidade pouco significativa foi identificada, n?o tendo relev?ncia em rela??o ? aprendizagem dos conhecimentos qu?micos presentes nos livros did?ticos.

Submitted by PPG Filosofia (filosofia-pg@pucrs.br) on 2018-09-17T18:07:38Z No. of bitstreams: 1 DIS_IGOR DANILEVICZ.pdf: 1094423 bytes, checksum: 99d196d8f4216de68382957117ea2321 (MD5) / Approved for entry into archive by Sheila Dias (sheila.dias@pucrs.br) on 2018-09-18T11:21:55Z (GMT) No. of bitstreams: 1 DIS_IGOR DANILEVICZ.pdf: 1094423 bytes, checksum: 99d196d8f4216de68382957117ea2321 (MD5) / Made available in DSpace on 2018-09-18T11:28:41Z (GMT). No. of bitstreams: 1 DIS_IGOR DANILEVICZ.pdf: 1094423 bytes, checksum: 99d196d8f4216de68382957117ea2321 (MD5) Previous issue date: 2018-08-24 / This dissertation addresses the evidentialism in the light of contemporary analytical epistemology or the theory of knowledge, notably that sustained by Richard Feldman and Earl Conee. In the first part of the paper I approach the theories of internalist and externalist justification as theories that deal with the origin of justification. Then I try to relate them to theories about the structure of justification. From this perspective, internalism was related to foundationalism, coherentism and infinitism. And, externalism has been related to causal theory, tracking theory, reliabilism, and the theory of proper function. In the second part, the Evidentialist Theory of Judgment or Evidentialism in Conee & Feldman is discussed, where besides the definition of evidence I present the classification between synchronic justification and diachronic justification, as well as propositional justification and doxtic justification. The second part also examines the relationship between 'epistemic justification and truth' and the relation between 'evidence and belief', also addressing the principle of underdetermination and some objections to the evidentialism of Conee & Feldman. / O presente trabalho pretende ser uma introdu??o ao evidencialismo em epistemologia anal?tica contempor?nea ou teoria do conhecimento, destacadamente ?quele sustentado por Richard Feldman e Earl Conee. Na primeira parte do trabalho eu abordo as teorias da justifica??o internista e externista como teorias que tratam da origem da justifica??o. Em seguida procuro relacionar as mesmas com teorias sobre a estrutura da justifica??o. Por essa perspectiva o internismo foi relacionado com o fundacionismo, o coerentismo e o infinitismo. E, o externismo foi relacionado com a teoria causal, a teoria do rastreamento, o confiabilismo e a teoria da fun??o apropriada. Na segunda parte ? abordada a Teoria Evidencialista da Jutisfica??o ou Evidencialismo em Conee e Feldman, onde al?m da defini??o de evid?ncia apresento a classifica??o entre justifica??o sincr?nica e justifica??o diacr?nica, bem entre justifica??o proposicional e justifica??o dox?stica. Ainda, nessa segunda parte ? examinada a rela??o entre ?justifica??o epist?mica e verdade? e a rela??o entre ?evid?ncia e cren?a?, abordando tamb?m o princ?pio da subdetermina??o e algumas obje??es ao evidencialismo de Conee e Feldman.

Submitted by Kelson Anthony de Menezes (kelson@ucb.br) on 2016-11-23T17:01:44Z No. of bitstreams: 1 ClaradeSouzaChavesDissertacaoparcial2014.pdf: 389135 bytes, checksum: f435020351a8b8ed008941359956c6cb (MD5) / Made available in DSpace on 2016-11-23T17:01:44Z (GMT). No. of bitstreams: 1 ClaradeSouzaChavesDissertacaoparcial2014.pdf: 389135 bytes, checksum: f435020351a8b8ed008941359956c6cb (MD5) Previous issue date: 2014-03-31 / This work falls within the field of study of the research line of public policies managment and economy of education from Universidade Cat??lica de Bras??lia (UCB) (Catolic Bras??lias???s University). The goal of the study was the academic production from the employees of Education Department of the State of Distrito Federal (SEDF) removed as researchers to make studies in the scope of the career planning of the mastership of Distrito Federal, started in 2005 with the Law # 3621 of July 14th of 2005. The study was focused on Academic production of pos graduated programs strictly speaking (stricto sensu) in Education developed on seach lines that involves policy, managment and economy of education from Catolic University of Bras??lia and public policies and education managment of Brasilia???s University. (UNB). Between 2006 and 2012 turned to basic education. The methodology adopted on the study was: the qualitative search of exploratory character, when deal with data source. It was used three qualitative search methods: Bibliographic search, document analysis, and interview. The dissertation was splited in 5 chapters. The first charpter deal with education as a inalienable right and requirement as a practice to citizenship development. The second charpter presentes a bibliography review about education researching developed on Brasil. The third charpter show us the portrait of the pos graduated in Brasil and Distrito Federal (Capital). The fourfh charpter show the public education on Distrito Federal the structure and career profile of mastership. The charpter five presentes the feedback of documentary search maded by library system of UNB and UCB on the Educationemployess improvment school on Distrito Federal and the interviews maked. The results of the search demonstrate a convergence between the seachers view point, universities and public institutions when you talk about to stablish a conection between academic production and the problems and challengers of public education on Distrito Federal. / O presente trabalho insere-se no campo de estudos da linha de pesquisa Pol??ticas P??blicas, Gest??o e Economia da Educa????o da Universidade Cat??lica de Bras??lia (UCB). O objeto de estudo foi a produ????o acad??mica dos servidores da (Secretaria de Estado de Educa????o do Distrito Federal (SEDF) afastados para estudos, no ??mbito do Plano de Carreira do Magist??rio do Distrito Federal, que entrou em vigor em 2005, com a lei 3.621, de 14 de julho de 2005. O estudo est?? focado na produ????o acad??mica dos programas de p??s-gradua????o stricto sensu em educa????o, desenvolvida nas linhas de pesquisa Pol??tica, Gest??o e Economia da Educa????o da Universidade Cat??lica de Bras??lia (UCB) e Pol??ticas P??blicas e Gest??o da Educa????o da Universidade de Bras??lia (UnB), entre os anos 2006 e 2012, voltada para a educa????o b??sica. A metodologia adotada no estudo foi a pesquisa qualitativa de car??ter explorat??rio, no que se refere ?? natureza dos dados foram utilizados tr??s m??todos da pesquisa qualitativa: pesquisa bibliogr??fica, an??lise documental e entrevistas. A disserta????o est?? dividida em 5 cap??tulos. O cap??tulo primeiro aborda a educa????o como direito inalien??vel e pr??requisito para a pr??tica da cidadania. O segundo cap??tulo apresenta uma revis??o de literatura sobre as pesquisas educacionais desenvolvidas no Brasil. O cap??tulo terceiro apresenta um retrato da p??s-gradua????o stricto sensu no Brasil e no Distrito Federal. O quarto cap??tulo apresenta a educa????o p??blica no Distrito Federal, sua estrutura e perfil da carreira magist??rio P??blico. O cap??tulo quinto apresenta os resultados da pesquisa documental realizada nos sistemas de biblioteca da UCB e UnB, na Escola de Aperfei??oamento dos Profissionais da Educa????o no DF (EAPE) e das entrevistas realizadas. Os resultados da pesquisa demonstram uma converg??ncia entre os pontos de vista de pesquisadores, universidades e institui????es p??blicas no que se refere ?? possibilidade de se estabelecer uma conex??o entre a produ????o acad??mica e o enfrentamento dos problemas e desafios da educa????o p??blica no Distrito Federal.

Submitted by Sara Ribeiro (sara.ribeiro@ucb.br) on 2017-04-12T17:36:27Z No. of bitstreams: 1 JulianaSennaCodevilaDissertacao2015.pdf: 4042092 bytes, checksum: 686ec50dd8f05d1c80c7778abf4dbe7e (MD5) / Approved for entry into archive by Sara Ribeiro (sara.ribeiro@ucb.br) on 2017-04-12T17:36:56Z (GMT) No. of bitstreams: 1 JulianaSennaCodevilaDissertacao2015.pdf: 4042092 bytes, checksum: 686ec50dd8f05d1c80c7778abf4dbe7e (MD5) / Made available in DSpace on 2017-04-12T17:36:56Z (GMT). No. of bitstreams: 1 JulianaSennaCodevilaDissertacao2015.pdf: 4042092 bytes, checksum: 686ec50dd8f05d1c80c7778abf4dbe7e (MD5) Previous issue date: 2015-09-09 / This current work uses the case of an actual company, in proven growth, to further studies on Organizational Communication. The study examined the main expressions that "Caixa Economica Federal" seeks to communicate to its receptors, through its discourse and the main impressions the same receptors have about the company, when submitted to their discursive texts. The work was divided, for better comprehension, in chapters on Organizational Communication, Discourse, Image, Research Analysis and Conclusion. The study analyzed if there is consonance or dissonance between the message that is relayed and the message that is received. The analysis takes place through diverse data, from the last few years, on the company, in addition to image research made and provided by the Institution, focusing on ad campaigns, spokespersons, athletic sponsorships, and semiotic analysis on the main texts of the institution, selected by the author. Outside research on client satisfaction regarding bank services were also utilized with the purpose of comparison. To analyze the results, the Semiotics theory of Pierce was used. In the end of this dissertation we may conclude that the company needs to improve the structure of its communication department to then, improve its communication, and even though it is on the right path towards long term growth, it is necessary to revisit some strategic definitions such as sponsorship amounts, spokespersons, communication strategic planning, among others, aiming to maintain, or even increase, its market share and and solve the issues detected in this dissertation. / O presente trabalho utiliza o caso de uma empresa real, em comprovado crescimento, para aprofundar estudos sobre Comunica????o Organizacional. Foram exploradas as principais express??es que a Caixa Econ??mica Federal busca transmitir a seus receptores, por meio de seu discurso e as principais impress??es que estes mesmos receptores possuem da empresa, quando submetidos a seus textos discursivos. O trabalho foi dividido para melhor compreens??o em cap??tulos sobre comunica????o organizacional, discurso, imagem, an??lise das pesquisas e a conclus??o. Foi analisado se h?? conson??ncia ou disson??ncia entre a mensagem transmitida e a mensagem recebida. A an??lise ocorre por meio de dados diversos sobre a empresa nos ??ltimos anos, al??m de pesquisas de imagem realizadas e cedidas pela pr??pria institui????o, focadas nas propagandas, porta-vozes, patroc??nios esportivos, al??m de uma an??lise semi??tica sobre os principais textos da institui????o, selecionados pela autora. Pesquisas externas sobre satisfa????o dos clientes com o servi??os banc??rios tamb??m foram utilizadas a fim de compara????o. Foi utilizada a Teoria da Semi??tica de Peirce para analisar os resultados. Ao final dessa disserta????o, pode-se concluir que a empresa precisa aperfei??oar a estrutura de sua ??rea de Comunica????o, para ent??o melhorar sua comunica????o, e que, apesar de estar no caminho certo para um crescimento em longo prazo, precisa rever algumas defini????es estrat??gicas, como valores de patroc??nios, porta-vozes, planejamento estrat??gico de comunica????o, entre outros para que se possa manter ou mesmo aumentar o seu crescimento no mercado e retratar algumas falhas comprovadas ao longo desta disserta????o.

Submitted by Ricardo Cedraz Duque Moliterno (ricardo.moliterno@uefs.br) on 2015-10-07T21:05:32Z No. of bitstreams: 1 68-maiane-neve-dissertacao-completa-30-06-2015.pdf: 2173788 bytes, checksum: 01667558c2c58926c53a0a2c86f9ff1d (MD5) / Made available in DSpace on 2015-10-07T21:05:32Z (GMT). No. of bitstreams: 1 68-maiane-neve-dissertacao-completa-30-06-2015.pdf: 2173788 bytes, checksum: 01667558c2c58926c53a0a2c86f9ff1d (MD5) Previous issue date: 2015-06-30 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior - CAPES / Mimosa tenuiflora (Willd.) Poiret (jurema preta) is a species in the Fabaceae family, native to the Caatinga, found throughout the Brazilian Northeast. In folk medicine, the shells of the stem and root of jurema preta are used in treatment of several diseases, as burns and inflammations, besides being maid traditionally as drink in indigenous rituals. Regarding to the root bark, there are few studies described in the literature about its phytochemical profile and biological properties. In this way, the present study has proposed perform a phytochemical study of the extracts from the root bark of Mimosa tenuiflora. For this, it was performed the fractionation of chloroformic extract from the column chromatography (CC), and the structural determinations of the isolated compounds were carried out by technique of nuclear magnetic resonance (NMR) of 1H and 13C, besides the identification and quantification of phenolic substances in the chloroformic extracts and the ethyl acetate from the high-efficiency liquid chromatography with diode arrangement detector (HPLC-DAD) and consequent validation of applied analytical method. Were also carried out assessment of anticholinesterasic activity of the extracts by the method of Ellman and quantification of the total flavonoid content of the crude extract through spectrophotometric method using as reactant aluminum chloride (AlCl3) and standard curve with quercetin. As a result, were obtained from the chloroformic extract a mixture of the ?-sitosterol and stigmasterol steroids and the betulinic acid triterpene. From of the HPLC-DAD were identified polyphenols such as catechin, epicatechin and procyanidin B2 beyond the gallic acid in the ethyl acetate extract and procyanidin B2, in the chloroformic extract of this species. With the validation of the analytical method, this proved to be reliable and suitable for the quantification of the substance catechin and epicatechin in the ethyl acetate extract, according to criteria recommended by the National Health Surveillance Agency ? NHSA. Regarding the anticholinesterasic activity, among the tested extracts of black jurema, the gross and the ethyl acetate were the ones who showed greater inhibition capacity on the enzyme acetylcholinesterase (AChE) in relation to other, presenting percentages of 89% + 0,31 and 93,8% + 0,4, respectively, what classifies this species as a potent inhibitor. The total flavonoids content quantified in the crude extract of Mimosa tenuiflora was of 1,386g/100g extract. Thus, this work indicates that the species Mimosa tenuiflora is a promising source of bioactive substances of chemical-medicinal interest, besides being a strong natural candidate that can aid in the treatment of Alzheimer's disease. It is important to mention that the present study provides an unprecedented contribution about the chemical composition of root bark of black jurema, since to date no records were found in the literature on phenolic constituents of this part of the plant. / Mimosa tenuiflora (Willd.) Poiret (jurema preta) ? uma esp?cie da fam?lia Fabaceae nativa da Caatinga, encontrada largamente em todo nordeste brasileiro. Na medicina popular, as cascas do caule e da raiz da jurema preta s?o utilizadas no tratamento de diversas enfermidades, como queimaduras e inflama??es, al?m de ser empregada tradicionalmente como bebida em rituais ind?genas. Com rela??o ? casca da raiz, h? poucos estudos descritos na literatura sobre seu perfil qu?mico e propriedades biol?gicas. Desta forma, o presente trabalho prop?s realizar um estudo fitoqu?mico dos extratos da casca da raiz da Mimosa tenuiflora. Para isso, foi realizado o fracionamento do extrato clorof?rmico a partir da cromatografia em coluna (CC), e as determina??es estruturais das subst?ncias isoladas foram realizadas atrav?s da t?cnica de resson?ncia magn?tica nuclear (RMN) de 1H e 13C, al?m da identifica??o e quantifica??o de subst?ncias fen?licas nos extratos clorof?rmico e acetato de etila a partir da cromatografia a l?quidos de alta efici?ncia com detector de arranjo de diodos (CLAE-DAD) e consequente valida??o do m?todo anal?tico aplicado. Tamb?m foram realizadas avalia??o da atividade anticolinester?sica dos extratos pelo m?todo de Ellman e quantifica??o do teor de flavonoides totais do extrato bruto atrav?s de m?todo espectrofotom?trico utilizando-se como reagente cloreto de alum?nio (AlCl3) e curva padr?o com quercetina. Como resultado, foram obtidos do extrato clorof?rmico uma mistura dos esteroides ?-sitosterol e estigmasterol e o triterpeno ?cido betul?nico. A partir da CLAE-DAD foram identificados polifen?is como a catequina, epicatequina e procianidina B2 al?m do ?cido g?lico no extrato acetato de etila e procianidina B2, no extrato clorof?rmico desta esp?cie. Com a valida??o do m?todo anal?tico, este se mostrou confi?vel e adequado para a quantifica??o das subst?ncias catequina e epicatequina no extrato acetato de etila, de acordo com crit?rios preconizados pela Ag?ncia Nacional de Vigil?ncia Sanit?ria - ANVISA. Com rela??o ? atividade anticolinester?sica, entre os extratos testados da jurema preta, o bruto e o de acetato de etila foram os que demonstraram maior capacidade de inibi??o sobre a enzima acetilcolinesterase (AChE) com rela??o aos demais, apresentando percentuais de 89% + 0,31 e 93,8% + 0,4, respectivamente, o que classifica esta esp?cie como potente inibidor. O teor de flavonoides totais quantificado no extrato bruto da Mimosa tenuiflora foi de 1,386g/100g extrato. Sendo assim, este trabalho indica que a esp?cie Mimosa tenuiflora ? uma fonte promissora de subst?ncias bioativas de interesse qu?mico-medicinal, al?m de ser uma forte candidata natural que pode auxiliar no tratamento do mal de Alzheimer. ? importante mencionar que o presente estudo fornece uma contribui??o in?dita acerca da composi??o qu?mica da casca da raiz da jurema preta, uma vez que at? o momento n?o foram encontrados registros na literatura sobre constituintes fen?licos desta parte da planta.