950 resultados para aging process
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Pós-graduação em Serviço Social - FCHS
Caracterização física e química da carne de peito de aves de diferentes idades submetida à maturação
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
Trabalho multiprofissional: necessidades reais e as políticas públicas na atenção da população idosa
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Concomitant with the aging process there is an increasing of incidence of chronic diseases. So, it emerges the need for adaptation in the health system that requires new skills of healthcare professionals in order to serve this population. Therefore, it is necessary to understand the aging process and establish preventive measures. These issues are still far from achieving the ideal, however, many government programs and universities have sought to improve themselves and adapt to this change through a plurality of actions and preventive or health promotion intervention which provide a more resolute and humanized care plan through a multidisciplinary approach.
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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The aging process involves challenges in meeting social needs, economic and health. Physiopathological changes and socio-economic predispose the elderly population at nutritional risk. The monitoring of nutritional status predict some complications of obesity or malnutrition, and is a tool for health care. The objective to know the nutritional status and risk of chronic diseases of the elderly in geriatric institutions and volunteers. The elderly population of 3 geriatric institutions (n=122) and non-institutionalized elderly (n=75) were evaluated. The body mass index was evaluated according to Nutrition Screening Initiative. For waist circumference, was used the World Health Organization criteria. For statistical analysis, chi-square was used. A high proportion of obesity (46%) was observed. The underweight affects 4% and 20% of noninstitutionalized and institutionalized, respectively. The frequency of the risk of diseases associated with obesity was higher among non-institutionalized. Hypertension affects more than 50% of the elderly. The nutritional status was different between the two situations, with high incidence of overweight and visceral adiposity, in volunteers, and wasting among institutionalized. The data emphasize that it is necessary special attention and appropriate measures to prevent morbidity and mortality and to improve quality of life.
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Bases Gerais da Cirurgia - FMB
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Serviço Social - FCHS
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ABSTRACT: One way to produce high order in a block copolymer thin film is by solution casting a thin film and slowly evaporating the solvent in a sealed vessel. Such a solvent-annealing process is a versatile method to produce a highly ordered thin film of a block copolymer. However, the ordered structure of the film degrades over time when stored under ambient conditions. Remarkably, this aging process occurs in mesoscale thin films of polystyrene-polyisoprene triblock copolymer where the monolayer of vitrified 15 nm diameter polystyrene cylinders sink in a 20 nm thick film at 22 °C. The transformation is studied by atomic force microscopy (AFM). We describe the phenomena, characterize the aging process, and propose a semiquantitative model to explain the observations. The residual solvent effects are important but not the primary driving force for the aging process. The study may lead to effective avenue to improve order and make the morphology robust and possibly the solvent-annealing process more effective.
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OBJETIVO: determinar a prevalência de quedas em idosos e sua relação com a capacidade funcional. MÉTODO: trata-se de estudo epidemiológico transversal de base populacional, com uma amostra por conglomerado de duplo estágio de 240 sujeitos, com idade acima de 60 anos, de ambos os sexos, residentes em Ribeirão Preto, SP. Os dados foram coletados entre novembro de 2010 e fevereiro de 2011 e utilizaram-se os questionários: perfil social, avaliação de quedas, Medida de Independência Funcional e Escala de Lawton e Brody. Foi adotado o nível de significância de 0,05. Para a identificação da ocorrência das quedas e sua relação com a capacidade funcional, foram utilizadas razão de prevalência e de chances de prevalência e regressão logística múltipla. RESULTADOS: a média de idade foi de 73,5 anos (±8,4), 25% com 80 anos ou mais, predomínio do sexo feminino; 48,8% estudaram de 1 a 4 anos. Média de 1,33 quedas (±0,472); com maior prevalência em mulheres e idosos mais jovens; o local mais frequente foi o quintal e o banheiro. Houve forte correlação entre o nível de independência funcional e as atividades instrumentais com a idade, e não houve relação entre os idosos que sofreram queda e as variáveis sexo e idade. CONCLUSÃO: houve predomínio de mulheres que sofreram quedas relacionadas à independência funcional, podendo-se prevenir com estratégias de promoção à saúde ao idoso, política essa para oferecer condição de vida à pessoa no processo de envelhecer.
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The purpose of this study was to investigate the exchange of disfluencies from function words to content words with age in Brazilian Portuguese speakers who do and do not stutter. Ninety stuttering individuals and 90 controls, native speakers of Brazilian Portuguese, were divided into three age groups (children, adolescents and adults). The study method involved analyzing the occurrence of stuttering on content and function words based on spontaneous speech samples. Results indicated that children tend to be more disfluent on function words. With the increase in age, teenagers and adults who stutter presented a higher number of disfluencies on content words. These findings support the current literature, indicating that with the aging process, there is an exchange of disfluencies from function to content words. This shift in the disfluency pattern may account for a more advanced type of stuttering. The study also demonstrated that disfluencies in Portuguese speakers follow the same pattern of shifting from function to content words with age as for English speakers.
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A decline in cognitive ability is a typical feature of the normal aging process, and of neurodegenerative disorders such as Alzheimer’s, Parkinson’s and Huntington’s diseases. Although their etiologies differ, all of these disorders involve local activation of innate immune pathways and associated inflammatory cytokines. However, clinical trials of anti-inflammatory agents in neurodegenerative disorders have been disappointing, and it is therefore necessary to better understand the complex roles of the inflammatory process in neurological dysfunction. The dietary phytochemical curcumin can exert anti-inflammatory, antioxidant and neuroprotective actions. Here we provide evidence that curcumin ameliorates cognitive deficits associated with activation of the innate immune response by mechanisms requiring functional tumor necrosis factor α receptor 2 (TNFR2) signaling. In vivo, the ability of curcumin to counteract hippocampusdependent spatial memory deficits, to stimulate neuroprotective mechanisms such as upregulation of BDNF, to decrease glutaminase levels, and to modulate N-methyl- D –aspartate receptor levels was absent in mice lacking functional TNFRs. Curcumin treatment protected cultured neurons against glutamate-induced excitotoxicity by a mechanism requiring TNFR2 activation. Our results suggest the possibility that therapeutic approaches against cognitive decline designed to selectively enhance TNFR2 signaling are likely to be more beneficial than the use of anti-inflammatory drugs per se.
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In the framework of developing defect-based life models, in which breakdown is explicitly associated with partial discharge (PD)-induced damage growth from a defect, ageing tests and PD measurements were carried out in the lab on polyethylene (PE) layered specimens containing artificial cavities. PD activity was monitored continuously during aging. A quasi-deterministic series of stages can be observed in the behavior of the main PD parameters (i.e. discharge repetition rate and amplitude). Phase-resolved PD patterns at various ageing stages were reproduced by numerical simulation which is based on a physical discharge model devoid of adaptive parameters. The evolution of the simulation parameters provides insight into the physical-chemical changes taking place at the dielectric/cavity interface during the aging process. PD activity shows similar time behavior under constant cavity gas volume and constant cavity gas pressure conditions, suggesting that the variation of PD parameters may not be attributed to the variation of the gas pressure. Brownish PD byproducts, consisting of oxygen containing moieties, and degradation pits were found at the dielectric/cavity interface. It is speculated that the change of PD activity is related to the composition of the cavity gas, as well as to the properties of dielectric/cavity interface.