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Local ecological knowledge also ‘comes from books’: cultural change, landscape transformation and conservation of biodiversity in two protected areas in Portugal

Frazão-Moreira, Amélia; Carvalho, Ana Maria; Martins, Elisabete
Fonte: Slovene Anthropological Society Publicador: Slovene Anthropological Society
Tipo: Artigo de Revista Científica
ENG
Relevância na Pesquisa
36.07%
Artigo resultante de uma comunicação oral apresentada na 10th European Association of Social Anthropologists (EASA) Conference em Agosto de 2008, na Eslovénia. Tema central: Experiencing diversity and mutuality. Painel Societies and protected areas; Indexado ao SSCI (Social Sciences Citation Index ®); The study of social and economic change and the consequent landscape transformation in the Parque Natural de Montesinho and theParque Natural de Douro Internacional (two protected areas of the Northeastern Portugal) allows us to discuss the ambivalent relation between the political aims of biodiversity preservation and the social reality in protected rural areas. Ethnographic research on plant use and nature discourses, together with an analysis of social differentiation (in terms of age, gender and schooling) of ethnobotanical knowledge show us how local people dynamically combine traditional and orally-transmitted knowledge with popular or then scientific exogenous ecological knowledge, especially that learned from the media and books. These data also makes possible a reflection on what way local culture is transformed into heritage within the context of protected areas.

Do passado ao futuro dos moradores tradicionais da Estação Ecológica Juréia-Itatins/SP ; From the past to the future of the traditional residents of the "Estação Ecológica Juréia-Itatins/SP"

Nunes, Márcia
Fonte: Biblioteca Digitais de Teses e Dissertações da USP Publicador: Biblioteca Digitais de Teses e Dissertações da USP
Tipo: Dissertação de Mestrado Formato: application/pdf
Publicado em 29/03/2004 PT
Relevância na Pesquisa
26.07%
As Unidades de Conservação (UC’s) ambientais foram criadas com os objetivos de (1) “dar proteção” as áreas naturais ainda não degradadas e com rica biodiversidade e beleza cênica (2) serem preservadas como memória de um passado ambiental dilapidado ao longo da história da humanidade. Neste trabalho discute-se a conservação da biodiversidade através da categoria de UC’s de PROTEÇÃO INTEGRAL. Trata-se, de uma categoria que não permite a existência de moradores e uso no interior de seus limites, sendo seu principal objetivo a preservação da natureza, admitindo-se apenas o uso indireto de seus recursos naturais. A área de estudo escolhida foi a Estação Ecológica Juréia-Itatins/SP, localizada no Vale do Ribeira, litoral sul de São Paulo. Possui área de 79.230 ha e abrange parte dos municípios de Peruíbe, Iguape, Itariri e Miracatu. O objetivo da pesquisa é analisar as transformações na ocupação do espaço, nas relações sociais, produtivas e culturais decorrentes da transformação da Juréia em estação ecológica. Quando delimitamos áreas para conservação estamos criando novas fronteiras sob territórios já existentes. Estas novas fronteiras desrespeitam os vínculos de identidade cultural-mítica-simbólica que une população pré-existente nessas áreas. Formam-se dois grupos: os que já estavam lá e os que vieram de fora. Cada um dos grupos tem leituras simbólicas e necessidades materiais diferentes em relação ao território. Instala-se a idéia de rompimento e não de cooperação entre os grupos. Estamos num ponto de inflexão: ou ouvimos o que os moradores tradicionais das Unidades de Conservação têm a nos dizer e nos ensinar...

Infraestrutura de dados espaciais em unidades de conservação: uma proposta para disseminação da informação geográfica do Parque Estadual de Intervales - SP; Spatial data infrastructure in protected area: a proposal for dissemination of geographic information of Parque Estadual de Intervales - SP

Nakamura, Eduardo Tomio
Fonte: Biblioteca Digitais de Teses e Dissertações da USP Publicador: Biblioteca Digitais de Teses e Dissertações da USP
Tipo: Dissertação de Mestrado Formato: application/pdf
Publicado em 01/09/2010 PT
Relevância na Pesquisa
35.96%
Esse trabalho apresenta uma proposta de Infraestrutura de Dados Espaciais de nível organizacional para o Parque Estadual de Intervales-SP, que visa compartilhar suas informações geográficas com a sociedade em geral. Nos processos de elaboração da IDE são discutidas questões como interoperabilidade, padronização, metadados, especificação de serviços geográficos e o relacionamento dos nós das Infraestrutura de Dados Espaciais que vão permitir a disseminação da informação geográfica de fácil acesso a usuários externos. Os procedimentos, benefícios e limitações são listados e problematizados de forma que demonstrem as etapas necessárias na elaboração da Infraestrutura de Dados Espaciais de nível organizacional para uma Unidade de Conservação. Conclui-se que uma Infraestrutura de Dados Espaciais depende de variáveis administrativas, culturais, técnicas e financeiras, o que leva a uma proposta de implementação por estágios. Também são elaboradas críticas aos recursos existentes e sugestões para melhorias e estudos futuros.; This paper presents a proposal about Spatial Data Infrastructure in organizational level to the Parque Estadual de Intervales-SP, in order to promote the sharing of geographic information with the society. In the elaboration process of the SDI are discussed issues such as interoperability...

Onde os direitos ambientais sobrepõem direitos humanos na mata Atlântica brasileira: Estudo a respeito da diversidade cultural em comunidades tradicionais sobrepostas por unidades de conservação no Vale do Ribeira, SP.; Where environmental rights override human rights in the Brazilian Atlantic forest: Study about the cultural diversity in traditional communities by overlapping protected areas in the Ribeira Valley, SP.

Silva, Andre Luiz Ferreira da
Fonte: Biblioteca Digitais de Teses e Dissertações da USP Publicador: Biblioteca Digitais de Teses e Dissertações da USP
Tipo: Dissertação de Mestrado Formato: application/pdf
Publicado em 19/12/2012 PT
Relevância na Pesquisa
36.12%
O presente trabalho analisa a criação e a gestão de áreas protegidas ambientalmente sobrepostas a territórios de "povos e comunidades tradicionais" (PCT) no Brasil. A caracterização das políticas públicas responsáveis pela criação das chamadas "unidades de conservação" (UCs) pode ser dividida em dois momentos históricos distintos: o primeiro inicia-se na década de 1960 e é marcado pela criação de UCs de forma arbitrária e autoritária ao conceber as áreas protegidas como "ilhas de biodiversidade" que objetivam, primordialmente, proteger a vida selvagem ignorando a ocupação humana nestas áreas geográficas; o segundo momento teve início a partir de 1988, com a reabertura política através da nova Constituição Federal, e foi evidenciado, sobretudo, após o ano de 2000 com a criação do Sistema Nacional de Unidades de Conservação - SNUC, que prevê a obrigatoriedade de consultas públicas garantindo a participação popular na instituição de novas UCs e a formalização de categorias de áreas protegidas de uso sustentável. Soma-se a estes dois momentos históricos referentes ao ordenamento das áreas protegidas o aumento do prestígio dos denominados povos e comunidades tradicionais determinando-se a proteção da diversidade cultural que representam e de seus territórios. Em muitos casos...

Interaction of Streptococcus pneumoniae and Moraxella catarrhalis: Investigation of the Indirect Pathogenic Role of β-Lactamase-Producing Moraxellae by Use of a Continuous-Culture Biofilm System

Budhani, R. K.; Struthers, J. K.
Fonte: American Society for Microbiology Publicador: American Society for Microbiology
Tipo: Artigo de Revista Científica
Publicado em /10/1998 EN
Relevância na Pesquisa
26.09%
The majority of clinical isolates of Moraxella catarrhalis produce β-lactamase. The role of this enzyme in the phenomenon of indirect pathogenicity, in which a true pathogen such as Streptococcus pneumoniae is protected from the action of certain β-lactam antibiotics, is well recognized. By using a simple continuous-culture biofilm system, it has been shown that the pneumococcus attains high titers in excess of 1012 CFU/biofilm; furthermore, the penicillin-sensitive pneumococcus used remained susceptible to a range of β-lactam antibiotics in these biofilms (R. K. Budhani and J. K. Struthers, J. Antimicrob. Chemother. 40:601–602, 1997). This system was used to characterize the antibiotic susceptibility of this isolate when grown with β-lactamase-negative or -positive moraxellae. When grown with β-lactamase-producing moraxellae in the presence of either benzylpenicillin or amoxicillin, the pneumococcus was protected in the range of the antibiotic concentrations to which it would be considered resistant. With amoxicillin-clavulanic acid the titers of the two organisms collapsed at the antibiotic concentration at which moraxellae became susceptible. The levels of β-lactamase activity in cell-free supernatants of broth culture, in biofilm...

Activity of lipid-soluble inhibitors of dihydrofolate reductase against Pneumocystis carinii in culture and in a rat model of infection.

Queener, S F; Bartlett, M S; Jay, M A; Durkin, M M; Smith, J W
Fonte: PubMed Publicador: PubMed
Tipo: Artigo de Revista Científica
Publicado em /09/1987 EN
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26.05%
Trimetrexate and BW301U (piritrexim isethionate), lipid-soluble inhibitors of dihydrofolate reductase, are potent inhibitors of the growth of Pneumocystis carinii in culture with WI-38 cells. Inhibition was observed with 0.1 microgram of trimetrexate or BW301U per ml. Trimethoprim is ineffective at 100 micrograms/ml in this culture system. Both trimetrexate and BW301U were effective as prophylactic agents against P. carinii pneumonia in rats; trimetrexate at 7.5 mg/kg protected 9 of 10 rats, and BW301U at 5 mg/kg protected 4 of 10.

Macaques immunized with HLA-DR are protected from challenge with simian immunodeficiency virus.

Arthur, L O; Bess, J W; Urban, R G; Strominger, J L; Morton, W R; Mann, D L; Henderson, L E; Benveniste, R E
Fonte: PubMed Publicador: PubMed
Tipo: Artigo de Revista Científica
Publicado em /05/1995 EN
Relevância na Pesquisa
26.04%
Macaques immunized with uninfected human cells have been shown to be protected from challenge with simian immunodeficiency virus (SIV) propagated in human cells. To identify the potential antigens involved in this protection, macaques were immunized with uninfected human cells, sucrose density gradient-purified culture fluid from uninfected human cells (mock virus), beta-2 microglobulin (beta 2M), immunoaffinity-purified HLA class I and class II proteins from these human cells, and adjuvant. Although all macaques immunized with beta 2M and HLA class I developed high antibody titers to beta 2M, these animals were not protected from a subsequent challenge with infectious SIV grown in human cells. In contrast, the macaques immunized with class II protein (HLA-DR) and mock virus developed antibodies to class II protein and were protected from the intravenous infectious virus challenge. The class II protein- and mock virus-immunized animals which were protected from challenge were given boosters of the appropriate antigen and challenged with the same SIV propagated in macaque cells. All animals became infected, indicating that the protection seen with human class II protein did not extend to protection from infection with SIV containing macaque class II proteins. Since the virus released from SIV-infected macaque cells would contain macaque class II proteins...

All-trans retinoic acid (RA) stimulates events in organ-cultured human skin that underlie repair. Adult skin from sun-protected and sun-exposed sites responds in an identical manner to RA while neonatal foreskin responds differently.

Varani, J; Perone, P; Griffiths, C E; Inman, D R; Fligiel, S E; Voorhees, J J
Fonte: PubMed Publicador: PubMed
Tipo: Artigo de Revista Científica
Publicado em /11/1994 EN
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Adult human skin from a sun-protected site (hip) and from a sun-exposed site (forearm) was maintained in organ culture for 12 d in the presence of a serum-free, growth factor-free basal medium. Cultures were incubated under conditions optimized for keratinocyte growth (i.e., in 0.15 mM extracellular Ca2+) or for fibroblast growth (i.e., in 1.4 mM extracellular Ca2+). Treatment with all-trans retinoic acid (RA) induced histological changes in the organ-cultured skin under both conditions which were similar to the changes seen in intact skin after topical application. These included expansion of the viable portion of the epidermis and activation of cells in the dermis. In sun-damaged skin samples, which were characterized by destruction of normal connective tissue elements and presence of thick, dark-staining elastotic fibers, a zone of healthy connective tissue could be seen immediately below the dermo-epidermal junction. This zone was more prominent in RA-treated organ cultures than in matched controls. Associated with these histological changes was an increase in overall protein and extracellular matrix synthesis. In concomitant studies, it was found that RA treatment enhanced survival and proliferation of adult keratinocytes and adult dermal fibroblasts under both low- and high-Ca2+ conditions. In all of these assays...

Tourism Partnerships in Protected Areas: Exploring Contributions to Sustainability

Pfueller, Sharron L.; Lee, Diane; Laing, Jennifer
Fonte: Springer-Verlag Publicador: Springer-Verlag
Tipo: Artigo de Revista Científica
EN
Relevância na Pesquisa
26.04%
Partnerships between natural-area managers and the tourism industry have been suggested to contribute to sustainability in protected areas. This article explores how important sustainability outcomes of partnerships are to their members, how well they are realised and the features of partnerships leading to their achievement. In 21 case studies in Australia, interviews (n = 97) and surveys (n = 100) showed that of 14 sustainability outcomes, improved understanding of protected areas values and improved biodiversity conservation were the most important. Other highly ranked outcomes were greater respect for culture, heritage, and/or traditions; improved quality of environmental conditions; social benefits to local communities; and improved economic viability of the protected area. Scores for satisfaction with outcomes were, like those for importance, all high but were less than those for importance for the majority, with improvement in quality of environmental conditions showing the largest gap. The satisfaction score exceeded that for importance only for increased competitiveness of the protected area as a tourist destination. “Brown” aspects of sustainability, i.e., decreased waste or energy use, were among the lowest-scoring outcomes for both importance and satisfaction. The most important factor enabling sustainability outcomes was provision of benefits to partnership members. Others were increased financial support...

Dopaminergic Neurotoxicant 6-OHDA Induces Oxidative Damage through Proteolytic Activation of PKCδ in Cell Culture and Animal Models of Parkinson’s Disease

Latchoumycandane, Calivarathan; Anantharam, Vellareddy; Jin, Huajun; Kanthasamy, Anumantha; Kanthasamy, Arthi
Fonte: PubMed Publicador: PubMed
Tipo: Artigo de Revista Científica
EN
Relevância na Pesquisa
26.07%
The neurotoxicant 6-hydroxydopamine (6-OHDA) is used to investigate the cellular and molecular mechanisms underlying selective degeneration of dopaminergic neurons in Parkinson’s disease (PD). Oxidative stress and caspase activation contribute to the 6-OHDA-induced apoptotic cell death of dopaminergic neurons. In the present study, we sought to systematically characterize the key downstream signaling molecule involved in 6-OHDA-induced dopaminergic degeneration in cell culture and animal models of PD. Treatment of mesencephalic dopaminergic neuronal N27 cells with 6-OHDA (100 μM) for 24h significantly reduced mitochondrial activity and increased cytosolic cytochrome c, followed by sequential activation of caspase-9 and caspase-3. Co-treatment with the free radical scavenger MnTBAP (10 μM) significantly attenuated 6-OHDA-induced caspase activities. Interestingly, 6-OHDA induced proteolytic cleavage and activation of protein kinase C delta (PKCδ) was completely suppressed by treatment with a caspase-3-specific inhibitor, Z-DEVD-FMK (50 μM). Furthermore, expression of caspase-3 cleavage site-resistant mutant PKCδD327A and kinase dead PKCδK376R or siRNA-mediated knockdown of PKCδ protected against 6-OHDA-induced neuronal cell death...

Production and Purification of Streptokinase by Protected Affinity Chromatography

Babashamsi, Mohammad; Razavian, Mohammad Hossein; Nejadmoghaddam, Mohammad Reza
Fonte: Avicenna Research Institute Publicador: Avicenna Research Institute
Tipo: Artigo de Revista Científica
Publicado em //2009 EN
Relevância na Pesquisa
26.09%
Streptokinase is an extracellular protein, extracted from certain strains of beta hemolytic streptococcus. It is a non-protease plasminogen activator that activates plasminogen to plasmin, the enzyme that degrades fibrin cloth through its specific lysine binding site; it is used therefore as a drug in thrombolytic therapy. The rate of bacterial growth and streptokinase production was studied in condition of excess glucose addition to culture media and its pH maintenance. The streptokinase product of the bacterial culture was preliminary extracted by salt precipitation and then purified by affinity chromatography on plasminogen substituted sepharose-4B in a condition that the plasminogen active site was protected from streptokinase-induced activation. The purity of streptokinase was confirmed by SDS-PAGE and its biological activity determined in a specific streptokinase assay. The results showed that in the fed–batch culture, the rate of streptokinase production increased over two times as compared with the batch culture while at the same time, shortening the streptokinase purification to a single step increased the yield over 95% at the chromatography stage.

Do patrimonialismo à repersonalização do direito autoral : harmonização dos direitos fundamentais à informação, cultura e educação e o uso alternativo de obras protegidas; From patrimonialism to the repersonalization of copyright : harmonization of basic rights to information, culture and educationand use alternative of protected works.

Rêgo, Sidney da Silva
Fonte: Universidade Federal de Alagoas; BR; Ciência Jurídica; Programa de Pós-Graduação em Direito; UFAL Publicador: Universidade Federal de Alagoas; BR; Ciência Jurídica; Programa de Pós-Graduação em Direito; UFAL
Tipo: Dissertação Formato: application/pdf
POR
Relevância na Pesquisa
36.05%
Exacerbation of heritage features throughout the history of copyright brought serious consequences for their development. The copyright laws of historical progress in the scenarios with international and national economic traits notably eventually provide man, creator of intellectual work, a secondary role. Its activity has always been important, but there was a predominance of the equity, having. With the bourgeois revolutions of the eighteenth century began a process of modification of certain ideals, policies for inclusion in the letters of the states of certain fundamental rights. The coexistence of two systems of copyrights in the world ended up further back from the moral prerogatives of the authors. Yet the international legal texts now recognize them, although they are not fully respected. At a later stage there is a change of direction in the understanding of legal systems, is now setting up the foundation for the interpretation of copyright, to emphasize a repersonalization of its institutes. Our purpose in this study is to question whether it is possible to reconsider the legal institutions copyright, even with the new information society, and if possible, today, to meet the social expectations for the achievement of fundamental rights to information...

Caracteriza????o do microclima de ambiente protegido cultivado com feij??o-vagem; Microclimate characterization of the protected environment cultivated with french-beans

BOHMER, Cl??nio Ren?? Kurtz
Fonte: Universidade Federal de Pelotas; Agricultura familiar; Programa de P??s-Gradua????o em Sistemas de Produ????o Agr??cola Familiar; UFPel; BR Publicador: Universidade Federal de Pelotas; Agricultura familiar; Programa de P??s-Gradua????o em Sistemas de Produ????o Agr??cola Familiar; UFPel; BR
Tipo: Tese de Doutorado Formato: application/pdf
POR
Relevância na Pesquisa
36.37%
The protected environment changes the meteorological elements in its interior related to the outward environment. The french-beans culture is considered a high risk one, being so sensitive to adverse meteorological conditions. The cultivation in protected environment may become viable the production in South Region under unfavorable year period. Due to the exposed before, the present paper had the aim of verifying whether the microclimate conditions from the protected environment refer to the french-beans culture in autumn period. The protected environment was cultivated with green beans named Macarr??o Baixo , from March to June 2007 period in Pelotas Federal University. A data purchasing system (Microlloger) performed readings through meteorological variable sensors in the interior of the environment. These data were compared to the Agroclimatological Station data in Pelotas (EAPel) - EMBRAPA/UFPel convention. The global solar radiation in the interior of the protected environment was 85,07% averaged from the global solar radiation in exterior as well in 28 days became below the trofic limit for vegetables. In the interior of the protected environment, the air temperature average was 18,8oC, being inside of the recommended values for the culture in the germination and vegetative development periods. In the flowering-fructification period...

Produ????o de alface e rabanete, sob aduba????o org??nica em ambiente protegido.; Production of lettuce and radish under organic fertilizer in protected environment.

OLIVEIRA FILHO, Lu??s Carlos Lu??es de
Fonte: Universidade Federal de Pelotas; Agronomia; Programa de P??s-Gradua????o em Solos; UFPel; BR Publicador: Universidade Federal de Pelotas; Agronomia; Programa de P??s-Gradua????o em Solos; UFPel; BR
Tipo: Dissertação Formato: application/pdf
POR
Relevância na Pesquisa
26.13%
This study was carried out with the objective to evaluate the agronomic performance of lettuce under organic fertilization, as first culture, and of radish, as second culture, as a function of the residual effect of the organic fertilization to lettuce in protected environment. It were used vases filled with 6Kg of fine land dried to the air of a soil classified as a Albaqualf (Planossolo H??plico), cultivated with lettuce, Itapu?? 401 cultivar, and soon after with radish, Crimson Gigante cultivar. The calculation of fertilization and liming was carried out based on the nitrogen need of the culture of lettuce, according to the recommendations of the Commission of Chemistry and Fertility of the Soil of the RS/SC. The fertilization for the culture of radish was the residual one of the fertilization for the culture of lettuce. The used treatments consisted of mineral fertilization, vermicompost of bovine manure and liming, being: T1 Mineral seasoning + lime (recommended dose); T2 Vermicompost of bovine manure (recommended dose); T3 Vermicompost of bovine manure (1?? of the recommended dose); T4 Vermicompost of bovine manure (recommended dose) + lime; T5 Vermicompost of bovine manure (1?? of the recommended dose) + lime. The effects of the treatments on the production and nutrition of lettuce and radish and on the fertility of the soil after the harvests were evaluated. Considering the obtained results and the conditions under which the present work was carried out...

Self-protected nitrate reducing culture for intrinsic repair of concrete cracks

Erşan, Yusuf Ç.; Gruyaert, Elke; Louis, Ghislain; Lors, Christine; De Belie, Nele; Boon, Nico
Fonte: Frontiers Media S.A. Publicador: Frontiers Media S.A.
Tipo: Artigo de Revista Científica
Publicado em 04/11/2015 EN
Relevância na Pesquisa
26.13%
Attentive monitoring and regular repair of concrete cracks are necessary to avoid further durability problems. As an alternative to current maintenance methods, intrinsic repair systems which enable self-healing of cracks have been investigated. Exploiting microbial induced CaCO3 precipitation (MICP) using (protected) axenic cultures is one of the proposed methods. Yet, only a few of the suggested healing agents were economically feasible for in situ application. This study presents a NO3− reducing self-protected enrichment culture as a self-healing additive for concrete. Concrete admixtures Ca(NO3)2 and Ca(HCOO)2 were used as nutrients. The enrichment culture, grown as granules (0.5–2 mm) consisting of 70% biomass and 30% inorganic salts were added into mortar without any additional protection. Upon 28 days curing, mortar specimens were subjected to direct tensile load and multiple cracks (0.1–0.6 mm) were achieved. Cracked specimens were immersed in water for 28 days and effective crack closure up to 0.5 mm crack width was achieved through calcite precipitation. Microbial activity during crack healing was monitored through weekly NOx analysis which revealed that 92 ± 2% of the available NO3− was consumed. Another set of specimens were cracked after 6 months curing...

Size and form of plots for the culture of the Italian pumpkin in plastic greenhouse

Mello,Rodrigo Machado; Dal'Col Lúcio,Alessandro; Storck,Lindolfo; Lorentz,Leandro Homrich; Carpes,Ricardo Howes; Boligon,Alexandra Augusti
Fonte: São Paulo - Escola Superior de Agricultura "Luiz de Queiroz" Publicador: São Paulo - Escola Superior de Agricultura "Luiz de Queiroz"
Tipo: Artigo de Revista Científica Formato: text/html
Publicado em 01/01/2004 EN
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35.99%
Quality control is the guaranty that experimental error is kept under acceptable levels, and the definition of the proper size and form of experimental plots ensures acurate experimental planning. This paper aims to determine the proper plot size and shape for the culture of the Italian pumpkin in protected environments. Two experiments were set in plastic green house in distinct crop seasons: either Summer-Fall or Winter-Spring season. The experiment comprised eight, 23-m long lines with 20 plants each, and fruit weight was considered the main performance parameter. Estimates of best plots size and shape were obtained by the maximum curvature, variance comparison and Hatheway methods. The plot size and shape varied according to the season and the ideal size and shape, according to the maximum curvature and Hatheway methods, to the Summer-Fall and Winter-Spring seasons, were eight plants (4 ´ 2 plot) and four plants (2 ´ 2 plot), respectively.

Influência da suplementação com colágeno hidrolisado no metabolismo da matriz extracelular e proliferação de fibroblastos dérmicos humanos derivados de áreas fotoprotegida e fotoexposta, cultivados em monocamada e equivalente dérmico.; Influence of collagen hydrolysate supplementation on extracellular matrix metabolism of human dermal fibroblasts derived from sun-protected and sun-exposed body sites, cultured in monolayer and dermal equivalent models.

Zague, Vivian
Fonte: Biblioteca Digitais de Teses e Dissertações da USP Publicador: Biblioteca Digitais de Teses e Dissertações da USP
Tipo: Tese de Doutorado Formato: application/pdf
Publicado em 29/09/2015 PT
Relevância na Pesquisa
35.88%
Este trabalho investigou, pela primeira vez, a influência do CH na modulação do metabolismo e proliferação de fibroblastos dérmicos humanos (FDHs) derivados de áreas fotoprotegida e fotoexposta, cultivados em modelo de monocamada. Além disto, foram investigados os efeitos da suplementação com CH na secreção de colágeno tipo I, em modelo de cultura 3D de equivalente dérmico, derivado de matriz produzida exclusivamente por FDHs. O tratamento com CH não influenciou a proliferação celular dos fibroblastos derivados de ambas as áreas, porém modulou expressivamente o metabolismo dos FDHs cultivados em monocamada, elevando o conteúdo de pró-colágeno I e colágeno I e diminuindo a atividade de metaloproteinases de matriz (MMP) 1 e 2. Concentrações menores de CH foram suficientes para estimular as células de área fotoexposta, sugerindo efeitos mais pronunciados do CH nestas células. Este estudo é uma contribuição importante para compreensão dos efeitos biológicos do CH nas células da pele e viabilidade do seu uso como ingrediente funcional de suplementos alimentares.; This study investigated, for the first time, the influence of CH on the extracellular matrix metabolism and proliferation of human dermal fibroblasts (HDFs) derived from sun-protected and sun-exposed body sites...

La culture de la strelitzia reginae aux Îles Canaries et l aplication de l analyse foliaire

Fernández Caldas, E.; García, V.; Díaz, A.
Fonte: International Society for Horticultural Science Publicador: International Society for Horticultural Science
Tipo: Artículo Formato: 184491 bytes; application/pdf
FRA
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35.83%
7 pages, 4 tableaux.-- En: Symposium on cultivation of flowers under protection in the Mediterranean Regions.-- Pre-print archive.; [EN] For the first time, a method of foliar analysis is proposed for Strelitzia, choosing as typical the youngest fully-developed leaf. The most frequent levels for the concentrations of N, P2O5, K, Ca, Mg, Fe and Mn in the leaves of well-developed plants have been determined. The different nutritional levels shown by plants in the open and by those in protected culture are noted. A description is given of the symptoms and nutrient disorders produced in the plant by iron chlorosis.; [FR] Pour la première fois une méthode d'analyse foliaire pour la Strelitzia, enchoisissant comme feuille type la feuille la plus jeune, totalement développée, est proposé. Les rangs le splus fréquents pour la concentration de N, P2O5, K, Ca, Mg, Fe et Mn, sur les feuilles de cultures bien developpés sont établis. les différents états nutritifs que présentent les plantes cultivées à l'air libre et pour des cultures sous abri sont relevés. les symptômes et les troubles nutritifs produits sur la plante par la chlorose ferrique, sont décrits.; Peer reviewed

Evaluation of Marine Resource Programs In US Peace Corps Micronesia

Clements, Kimberly
Fonte: Universidade Duke Publicador: Universidade Duke
Tipo: Masters' Project Formato: 2191309 bytes; application/pdf
Publicado em /05/2007 EN_US
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26.07%
Over the last two decades US Peace Corps has implemented programs to assist Micronesia in the management and conservation of its marine resources. Most of these programs were heavily focused on building capacity and providing technical assistance at government and agency level. Programs focused on monitoring resources, developing aqua-culture and eco-tourism opportunities, drafting policy and management plans, promoting traditional fishing practices and educational outreach. These programs have since been terminated, and the Peace Corps has consolidated its efforts into communitybased programs (education and youth development). In some cases, volunteers have been assigned secondary projects in marine resource education. A survey was administered to volunteers who served in two of these terminated marine resources programs to identify challenges in building capacity at the government and agency level. These volunteers determined that training prior to Peace Corps service (technical, cultural, and language) was adequate in preparing them for their two year assignments. They implemented projects with their host agency assignments to satisfy program goals. However some host agencies insisted volunteers worked on projects more suited to the agency’s agenda. Programs were developed to be compatible with Micronesian culture and applicable to its developing economy and society. However several challenges hindered the ability of these programs to achieve long term sustainability beyond two year term of the volunteer. These challenges included: lack of community integration...

Tamanho e forma de parcelas para a cultura da abóbora italiana cultivada em estufa plástica; Size and form of plots for the culture of the Italian pumpkin in plastic greenhouse

Mello, Rodrigo Machado; Dal'Col Lúcio, Alessandro; Storck, Lindolfo; Lorentz, Leandro Homrich; Carpes, Ricardo Howes; Boligon, Alexandra Augusti
Fonte: Universidade de São Paulo. Escola Superior de Agricultura Luiz de Queiroz Publicador: Universidade de São Paulo. Escola Superior de Agricultura Luiz de Queiroz
Tipo: info:eu-repo/semantics/article; info:eu-repo/semantics/publishedVersion; ; ; ; ; Formato: application/pdf
Publicado em 01/01/2004 ENG
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Na experimentação é de fundamental importância o controle de qualidade, fazendo com que o erro experimental apresente-se em níveis aceitáveis e, uma das formas desse controle, é a definição do tamanho e forma ótimos de parcela, no planejamento experimental. Determinou-se o tamanho e a forma ideais de parcela, para a cultura da abóbora italiana, em experimentos realizados sob ambientes protegidos, avaliando-se o rendimento acumulado da fitomassa dos frutos. Foram conduzidos dois experimentos em estufa plástica, modelo arco pampeano, durante o ano de 2001, em duas épocas de cultivo, um na estação sazonal verão-outono e outro na estação sazonal inverno-primavera. Os experimentos foram constituídos de oito fileiras de 20m de comprimento, sendo que, em cada uma delas, foram alocadas 20 plantas. As estimativas do tamanho e da forma de parcela foram obtidas pelos métodos da máxima curvatura, da comparação das variâncias e de Hatheway. As estimativas do tamanho e da forma da parcela variaram conforme a estação sazonal e o tamanho e a forma ideais, segundo os métodos da máxima curvatura e de Hatheway, para as estações sazonais verão-outono e inverno-primavera, foram de oito (quatro no comprimento e duas na largura) e quatro plantas (duas no comprimento e duas na largura)...