875 resultados para Estresse oxidativo


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Pós-graduação em Agronomia (Produção Vegetal) - FCAV

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Pós-graduação em Psicologia do Desenvolvimento e Aprendizagem - FC

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Pós-graduação em Agronomia (Irrigação e Drenagem) - FCA

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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This study's aim was to verify coping strategies among children aged between 7 and 12 years old who will be experiencing surgery and the potential relationship of coping strategies with sociodemographic variables, stress in children and in companions, and the child's prior experience with surgery. A total of 58 children hospitalized and waiting for elective surgeries responded to the Assessment Instrument of Coping to Hospitalization and an instrument to assess stress. The companion received a sociodemographic questionnaire and the Lipp Stress Symptom Inventory. Problem-solving strategies and distraction were the most frequent strategies used, while social withdrawal and opposition were the least frequent. Girls and children of stressful parents used emotion regulation strategies with significantly more frequency. Likewise, greater cognitive restructuring was observed in older children and those with prior experience with surgeries. The results show the need to consider the studied variables when developing pre-operative preparation programs.

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

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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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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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This project aimed to relate the efficiency of control of ACCase inhibiting herbicides applied post-emergence in Cenchrus echinatus under different soil water contents. The experiments were conducted in a greenhouse, with the application of three different herbicides (fluazifop-p-butyl, haloxyfop-methyl and sethoxydim + oil Assist) and the experimental design for each herbicide was completely randomized design with four replications, consisting a 3 x 4 factorial, with the combination of water management strategies (-0.03, -0.07 and -1.5 MPa) and four doses of these products (100, 50, 25 and 0% of the recommended dose). Herbicide application was made at vegetative stage of 2-3 tillers. The water management strategies were initiated in the development stage of two leaves, replacing the water until the soil reaches the potential of -0.01 MPa, when it came to severe pre-determined for each water management. The physiological parameters evaluated were: photosynthetic rate, stomatal conductance, transpiration, leaf temperature and plant dry matter. The visual assessments of phytotoxicity were performed at 7, 14, 21 and 28 days after application. The efficiency of these herbicides was influenced by soil management and water lowest in plants grown in the minimal potential of water in the soil of -1.5 MPa. All the herbicides were unsatisfactory controls in applications late (2-3 tiller plants).

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Pós-graduação em Aquicultura - FCAV

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