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Mostrando 1-12 de 7702 artigos, teses e dissertações.
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1. Innovation capabilities in agribusiness: evidence from Brazil
Abstract Purpose This paper aims to identify the winning combination of innovation capabilities for selected Brazilian agribusiness firms along different value chain links. Design/methodology/approach Adopting a quantitative approach, the authors analyzed the relationship between innovation capabilities and innovative performance of 300 agribusiness firms
RAUSP Management Journal. Publicado em: 2022
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2. UVB irradiation differential regulate miRNAs expression in skin photoaging
Abstract Background: UVB irradiation can cause acute damage such as sunburn, or photoaging and melanoma, all of which are major health threats. Objective: This study was designed to investigate the mechanism of skin photoaging induced by UVB radiation in mice through the analysis of the differential expression of miRNAs. Methods: A UVB irradiation photoag
Anais Brasileiros de Dermatologia. Publicado em: 2022
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3. PADRONIZAÇÃO DA QUANTIFICAÇÃO DE GLUTATIONA REDUTASE EM Aegla singularis (ANOMURA, CRUSTACEA) UTILIZANDO PLANEJAMENTO EXPERIMENTAL DCCR
Glutathione Reductase (GR) plays a key role in the maintenance of GSH homeostasis, variations in its activity may indicate damage from environmental contaminants. Experimental planning is a strategy to reduces time and cost in enzymatic assays. In this work, DCCR experimental planning was used to standardize and to validate the measure of GR in Aegla singula
Quím. Nova. Publicado em: 2020-05
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4. River damming affects seedling communities of a floodplain forest in the Central Amazon
ABSTRACT The flood pulse of black water rivers in the Amazon basin determines the composition of species along the flood gradient in igapó forests. The Balbina dam, built on the Uatumã River, has altered the flood pulse and caused changes in the floristic composition of adult trees throughout the downstream area. There is a lack of studies on how communiti
Acta Bot. Bras.. Publicado em: 2020-03
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5. Hydroelectric Generators Competing in Cascades*
Abstract Hydroelectric generation is the main source of energy production in many countries. When firms operate in the same river, or in cascades, the output of an upstream firm is the input of its downstream rival. We build a dynamic stochastic duopoly model of competition in cascades and show that the decentralized market is inefficient when rain is freque
Rev. Bras. Econ.. Publicado em: 01/01/2020
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6. lncRNA OIP5-AS1 targets ROCK1 to promote cell proliferation and inhibit cell apoptosis through a mechanism involving miR-143-3p in cervical cancer
Opa-interacting protein 5 antisense transcript 1 (OIP5-AS1) is one kind of cytoplasmic long non-coding RNA (lncRNA), which has been demonstrated to play a critical function in multiple cancers. However, the detailed mechanism of OIP5-AS1 in the regulation of cervical cancer progression is still obscure. Here, we demonstrated that lncRNA OIP5-AS1 was upregula
Braz J Med Biol Res. Publicado em: 2020-01
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7. From yeast to humans: Understanding the biology of DNA Damage Response (DDR) kinases
Abstract The DNA Damage Response (DDR) is a complex network of biological processes that protect cells from accumulating aberrant DNA structures, thereby maintaining genomic stability and, as a consequence, preventing the development of cancer and other diseases. The DDR pathway is coordinated by a signaling cascade mediated by the PI3K-like kinases (PIKK) A
Genet. Mol. Biol.. Publicado em: 13/12/2019
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8. Serum- and glucocorticoid-inducible kinase 3 is a potential oncogene in nasopharyngeal carcinoma
Resumo Introdução: A quinase 3 sérica induzida por glicocorticoide, uma serina/treonina quinase que funciona downstream da via de sinalização PI3K, desempenha um papel crítico nos processos neoplásicos. É expressa por vários tumores e contribui para a carcinogênese. Objetivo: Investigar a expressão de quinase 3 sérica induzida por glicocorticoi
Braz. j. otorhinolaryngol.. Publicado em: 13/12/2019
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9. Fishes community composition and patterns of species distribution in Neotropical streams
Resumo: A ictiofauna de riachos na região Neotropical ainda não é totalmente conhecida. Este estudo objetiva investigar a composição da ictiofauna de seis riachos da sub-bacia do rio Ijuí, estado do Rio Grande do Sul, inseridos na bacia do rio Uruguai, de forma a contribuir no conhecimento da riqueza e distribuição de espécies de peixes no sul do Br
Biota Neotrop.. Publicado em: 09/12/2019
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10. Seasonal and longitudinal variation in fish assemblage structure along an unregulated stretch of the Middle Uruguay River
RESUMO Os padrões de diversidade e suas causas continuam sendo questões importantes, especialmente em ecossistemas que preservam condições naturais. Este é o caso da diversidade de peixes em grandes rios neotropicais. Neste contexto, investigamos padrões de diversidade de peixes ao longo de um extenso gradiente fluvial (ca. 450 km) no médio rio Urugua
Neotrop. ichthyol.. Publicado em: 02/12/2019
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11. Metals and dissolved organic carbon (DOC) of surface waters in two adjacent watersheds in the eastern Amazon
Resumo A intensificação do uso da terra na região da “Zona Bragantina”, uma área da Amazônia Oriental brasileira, acelerou as mudanças de paisagem da floresta primária para uma mistura de diferentes usos da terra: floresta (vegetação ripária), floresta secundária, pastagem, terra agrícola anual, terra cultivada perene, solo descoberto e veget
Rev. Ambient. Água. Publicado em: 28/11/2019
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12. The impact of multiple myeloma induction therapy on hematopoietic stem cell mobilization and collection: 25-year experience
ABSTRACT While first-line induction therapy for patients with multiple myeloma has changed over the years, autologous hematopoietic stem cell transplantation still plays a significant role, improving both depth of response and progression-free survival of myeloma patients. Our 25-year experience in mobilizing hematopoietic stem and progenitor cells for 472 t
Hematol., Transfus. Cell Ther.. Publicado em: 25/11/2019