228 resultados para Detalhe


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This study intends to evaluate the effects of landscape physical elements (rocks and relief) associated with silviculture activities. The study was carried out on a small farm (Fazenda Santa Edwirges) covered by Eucalyptus forested situated in the Paraiba do Sul Basin, Southeast Brazil. The methodology consisted of detailed geological and geomorphological studies at 1:10,000 scale, and laboratory analysis of soil physical properties. The results showed three geologic-geomorphologic associations (ridge escarpment with granitic rocks, steep and gentle hills cut by shear zones and gentle hill with alluvial sediments) present high vulnerability for the development of the physical processes such as accelerated erosion landslides and flooding. In contrast, mountains associated with gneissic rocks present smaller vulnerability and high resilience for the development of the physical processes. The results have showed the importance of considering the interactions among landscape physical for the eucalyptus forest management contributing to a better selection area for eucalyptus cultivation and minimize adverse environment impact in road design.

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Introduction: Aging skin is a condition that affects (or will affect) all people, and its treatment is considered a clinical challenge. Growth factors and their analogues are emerging as a promising therapeutic option. Objectives: To evaluate the safety profile of some dermocosmetic products with formulations based on growth factors - or their analogs intended for that purpose - using in vitro human skin cell culture models. Methods: Two types of cell cultures were studied, and the effects of the study products on the proliferation of melanoma cells and normal human fibroblasts were evaluated. Results: No significant morphological alterations were found in the cultured human melanoma, and no significant decrease in the number of healthy cells was verified in the normal fibroblasts culture. In some cases there was even a proliferation of those cells. Conclusions: These preliminary data demonstrate that cosmeceutical products containing growth factors as an active principle can be considered safe for topical application.

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Pós-graduação em Comunicação - FAAC

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Pós-graduação em Educação - IBRC

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Pós-graduação em Agronomia (Entomologia Agrícola) - FCAV

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Pós-graduação em Física - IFT

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Pós-graduação em Geociências e Meio Ambiente - IGCE

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Pós-graduação em Geociências e Meio Ambiente - IGCE

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)