18 research outputs found

    As estratégias do Circuito Cultural Liberdade e as táticas dos públicos: acontecimentos, atravessamentos e resistência.

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    O artigo discute a relação entre as empresas patrocinadoras do Circuito Liberdade, importante centro cultural na cidade de Belo Horizonte, e as práticas sociais implementadas pelos públicos na região. Analisa-se o local como um espaço público marcado por atravessamentos e resistências. Utiliza-se da contribuição conceitual de Ranciére (2015) para mostrar a convivência de um comum partilhado e de vários pequenos comuns exclusivos e por vezes excludentes. E do conceito de públicos de Dewey (2004) e de Quéré (2003) para discutir os públicos que se dão a ver no local a partir das experiências e dos acontecimentos vividos. Pretende-se mostrar que para além do processo contemporâneo de espetacularização das cidades, responsável por atender aos interesses de certos grupos de poder, os resultados da patrimonialização demostram uma relação de luta e de resistência por parte dos cidadãos

    Cenários para a matriz de geração de eletricidade do Ceará em 2050: pt

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    Based on the worldwide proposition of energy matrix scenarios for 2050, the objective of this article is to present scenarios of electricity generation for Ceará in 2050, showing the participation of sources already used in the state's electric matrix and adding new ones. The article proposes three scenarios: a conservative one, where the present proportion of electricity generation sources of the state is maintained, a transitional one, with 50% of electricity generation from non-renewable sources and the other 50% from renewable sources, and 100% renewable, without the use of fossil or nuclear fuels. Estimates for 2050 in the state are obtained by extrapolating generation data from 2011 to 2017, reaching an estimated 94,775 GWh. In the conservative scenario, it is observed that half of this generation is made by thermoelectric plants and the other half by wind farms. In the transition scenario, dominated by the use of natural gas, the exponential growth of photovoltaic generation stands out. In the 100% renewable scenario, dominated by wind farms, in addition to the similar growth of photovoltaic generation as in the transition scenario, we highlight the use of urban solid waste and solar thermal concentration plants.A partir da proposição de cenários de matrizes energéticas a nível mundial para 2050, o objetivo do presente artigo é apresentar cenários de geração de eletricidade para o estado do Ceará em 2050, mostrando a participação de fontes já usadas na matriz elétrica do estado e acrescentando novas. O artigo propõe três cenários: um conservador, onde é mantida a proporção atual das fontes de geração de eletricidade do estado, um de transição, com 50% da geração de energia elétrica oriunda de fontes não renováveis e os outros 50% provenientes de fontes renováveis, e um 100% renovável, sem o uso de combustíveis fósseis ou nuclear. As estimativas para 2050 no estado são obtidas através de extrapolação de dados de geração de 2011 a 2017, alcançando um valor estimado de 94.775 GWh. No cenário conservador, observa-se que metade dessa geração é realizada por termelétricas e a outra metade por parques eólicos. No cenário de transição, dominado pelo gás natural, destaca-se o crescimento exponencial da geração fotovoltaica. No cenário 100% renovável, dominado por parques eólicos, além do crescimento semelhante da geração fotovoltaica como no cenário de transição, destaca-se a utilização dos resíduos sólidos urbanos e de centrais solar térmicas de concentração

    Revisão de literatura integrativa sobre os efeitos dos anticoncepcionais orais no ciclo menstrual e desempenho muscular

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    Introduction: Female menstrual physiology affects several systems, including the muscular system, with sexual hormones being important influencers on the functioning of muscle tissue. However, the use of combined oral contraceptives (COCs) inhibits the natural fluctuation of hormones that occur in a woman's body with each cycle, which consequently affects muscle performance. Methodology: A bibliographic search was carried out in the PubMed and Cochrane databases, which included 7 articles that met the inclusion criteria. Results and discussion: From the literature search, it was possible to observe factors related to muscle growth in women who used high androgenic OCPs, although there were no differences in maximum strength and resistance between groups of natural cyclists and women who used OCs. Furthermore, the benefit of the pill in hormone replacement therapy (HRT) on muscle synthesis was observed, in addition to the role of natural progesterone (PROG) in patients with neurodegenerative diseases. Conclusion: The use of hormonal oral contraceptives, especially monophasic ones, does not interfere with physical fitness when compared to not using them, although there may be a myogenic potential in those with high androgenicity and fourth generation. More in-depth research is needed regarding the particularities surrounding this type of research.Introducción: La fisiología menstrual femenina afecta varios sistemas, incluido el sistema muscular, siendo las hormonas sexuales importantes influyentes en el funcionamiento del tejido muscular. Sin embargo, el uso de anticonceptivos orales combinados (AOC) inhibe la fluctuación natural de las hormonas que se producen en el cuerpo de la mujer con cada ciclo, lo que en consecuencia afecta el rendimiento muscular. Metodología: Se realizó una búsqueda bibliográfica en las bases de datos PubMed y Cochrane, la cual incluyó 7 artículos que cumplieron con los criterios de inclusión. Resultados y discusión: A partir de la búsqueda bibliográfica, fue posible observar factores relacionados con el crecimiento muscular en mujeres que utilizaron AO con alto contenido androgénico, aunque no hubo diferencias en la fuerza y ​​resistencia máxima entre grupos de ciclistas naturales y mujeres que utilizaron AO. Además, se observó el beneficio de la píldora en la terapia de reemplazo hormonal (TRH) sobre la síntesis muscular, además del papel de la progesterona natural (PROG) en pacientes con enfermedades neurodegenerativas. Conclusión: El uso de anticonceptivos orales hormonales, especialmente los monofásicos, no interfiere en la condición física en comparación con no usarlos, aunque puede haber un potencial miógeno en aquellos con alta androgenicidad y de cuarta generación. Es necesario profundizar en las particularidades que rodean a este tipo de investigaciones.Introdução: A fisiologia menstrual feminina atinge diversos sistemas, incluindo o sistema muscular, sendo os hormônios sexuais importantes influenciadores no funcionamento do tecido muscular. Todavia, o uso de anticoncepcionais combinados orais (ACOs) inibe a flutuação natural de hormônios que ocorre no corpo da mulher a cada ciclo, o qual consequentemente repercute no desempenho muscular. Metodologia: Foi realizada uma busca bibliográfica nas bases de dados PubMed e Cochrane, na qual foram incluídos 7 artigos que atendiam aos critérios de inclusão. Resultados e discussão: A partir da busca bibliográfica foi possível observar fatores relacionados ao crescimento muscular em mulheres que utilizavam ACOs de alta androgenicidade, embora não haja diferenças quanto a força máxima e resistência entre grupos de ciclistas naturais e mulheres que utilizavam ACOs. Além disso, observou-se o benefício da pílula em terapia de reposição hormonal (TRH) na síntese muscular, além do protagonismo da progesterona natural (PROG) em pacientes com doenças neurodegenerativas. Conclusão: O uso de contraceptivo oral hormonal, sobretudo monofásicos, não interfere na aptidão física quando comparado ao não uso, embora possa haver um potencial miogênico naqueles com alta androgenicidade e de quarta geração. São necessárias pesquisas mais aprofundadas a respeito das particularidades que envolvem esse tipo de pesquisa

    Desfecho atípico de colesteatoma de orelha média: relato de caso

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    O presente estudo objetivou descrever um caso de colesteatoma de orelha média com recidiva após remoção cirúrgica, seguido por desfecho atípico. Paciente do sexo masculino, 40 anos, procurou atendimento médico com queixa de otalgia e plenitude auricular em ouvido esquerdo. Foi realizada ressonância magnética que evidenciou conteúdo líquido e células mastoideas ocupando a cavidade timpânica esquerda, com focos de restrição à difusão na caixa timpânica e antro medindo cerca de 1,4 cm, sendo compatível com colesteatoma de orelha média esquerda. O paciente foi, então, submetido a dois procedimentos cirúrgicos (uma timpanoplastia endoscópica e uma mastoidectomia fechada), num intervalo de quatro meses, para remoção total do tumor. Após 3 anos e 6 meses, o paciente apresentou recidiva para o colesteatoma. No dia anterior à cirurgia marcada para remoção do tumor recidivado, foi constatado, por ressonância magnética, a ausência do colesteatoma, o que sugere uma cura espontânea. A cura ou desaparecimento natural do tumor abre novas perspectivas de investigação para as ciências médicas

    Factors influencing terrestriality in primates of the Americas and Madagascar

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    Among mammals, the order Primates is exceptional in having a high taxonomic richness in which the taxa are arboreal, semiterrestrial, or terrestrial. Although habitual terrestriality is pervasive among the apes and African and Asian monkeys (catarrhines), it is largely absent among monkeys of the Americas (platyrrhines), as well as galagos, lemurs, and lorises (strepsirrhines), which are mostly arboreal. Numerous ecological drivers and species-specific factors are suggested to set the conditions for an evolutionary shift from arboreality to terrestriality, and current environmental conditions may provide analogous scenarios to those transitional periods. Therefore, we investigated predominantly arboreal, diurnal primate genera from the Americas and Madagascar that lack fully terrestrial taxa, to determine whether ecological drivers (habitat canopy cover, predation risk, maximum temperature, precipitation, primate species richness, human population density, and distance to roads) or species-specific traits (bodymass, group size, and degree of frugivory) associate with increased terrestriality. We collated 150,961 observation hours across 2,227 months from 47 species at 20 sites in Madagascar and 48 sites in the Americas. Multiple factors were associated with ground use in these otherwise arboreal species, including increased temperature, a decrease in canopy cover, a dietary shift away from frugivory, and larger group size. These factors mostly explain intraspecific differences in terrestriality. As humanity modifies habitats and causes climate change, our results suggest that species already inhabiting hot, sparsely canopied sites, and exhibiting more generalized diets, are more likely to shift toward greater ground use

    A global experiment on motivating social distancing during the COVID-19 pandemic

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    Finding communication strategies that effectively motivate social distancing continues to be a global public health priority during the COVID-19 pandemic. This cross-country, preregistered experiment (n = 25,718 from 89 countries) tested hypotheses concerning generalizable positive and negative outcomes of social distancing messages that promoted personal agency and reflective choices (i.e., an autonomy-supportive message) or were restrictive and shaming (i.e., a controlling message) compared with no message at all. Results partially supported experimental hypotheses in that the controlling message increased controlled motivation (a poorly internalized form of motivation relying on shame, guilt, and fear of social consequences) relative to no message. On the other hand, the autonomy-supportive message lowered feelings of defiance compared with the controlling message, but the controlling message did not differ from receiving no message at all. Unexpectedly, messages did not influence autonomous motivation (a highly internalized form of motivation relying on one’s core values) or behavioral intentions. Results supported hypothesized associations between people’s existing autonomous and controlled motivations and self-reported behavioral intentions to engage in social distancing. Controlled motivation was associated with more defiance and less long-term behavioral intention to engage in social distancing, whereas autonomous motivation was associated with less defiance and more short- and long-term intentions to social distance. Overall, this work highlights the potential harm of using shaming and pressuring language in public health communication, with implications for the current and future global health challenges

    A multi-country test of brief reappraisal interventions on emotions during the COVID-19 pandemic.

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    The COVID-19 pandemic has increased negative emotions and decreased positive emotions globally. Left unchecked, these emotional changes might have a wide array of adverse impacts. To reduce negative emotions and increase positive emotions, we tested the effectiveness of reappraisal, an emotion-regulation strategy that modifies how one thinks about a situation. Participants from 87 countries and regions (n = 21,644) were randomly assigned to one of two brief reappraisal interventions (reconstrual or repurposing) or one of two control conditions (active or passive). Results revealed that both reappraisal interventions (vesus both control conditions) consistently reduced negative emotions and increased positive emotions across different measures. Reconstrual and repurposing interventions had similar effects. Importantly, planned exploratory analyses indicated that reappraisal interventions did not reduce intentions to practice preventive health behaviours. The findings demonstrate the viability of creating scalable, low-cost interventions for use around the world

    FREQUENCY OF QUIESCENT FUNGI AND POST-HARVEST ALTERNATIVE MANAGEMENT OF STEM END ROT IN PAPAYA

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    The aim of this study was to evaluate the frequency of quiescent fungi and the effect of phosphites under modified atmosphere on Lasiodiplodia theobromae in papaya. The fruits were treated with a range of doses of phosphites and their actions evaluated under conditions of ambient and modified atmosphere. Of the eight fungal genera found, Lasiodiplodia was the most common. No interaction was observed between the evaluated factors and only atmosphere and dose were independently significant. The usage of phosphites and modified atmosphere reduced the severity of the disease, and did not affect the chemical properties of the fruits

    Fatal outcome of chikungunya virus infection in Brazil

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    Federal University of Ceará. Fortaleza, CE, Brazil / Central Public Health Laboratory of Ceará State. Fortaleza, CE, Brazil.University of São Paulo. Virology Research Center. Ribeirão Preto, SP, Brazil.Federal University of Ceará. Fortaleza, CE, Brazil.University of Oxford. Department of Zoology. oxford, United Kingdom.University of São Paulo. Virology Research Center. Ribeirão Preto, SP, Brazil.University of Oxford. Department of Zoology. oxford, United Kingdom / Gorgas Memorial Institute of Health Studies. Department of Research in Virology and Biotechnology. Panama City, Panama.Central Public Health Laboratory of Ceará State. Fortaleza, CE, Brazil.Central Public Health Laboratory of Ceará State. Fortaleza, CE, Brazil / Centro Universitário Christus. Faculdade de Medicina. Fortaleza, CE, Brazil.Central Public Health Laboratory of Ceará State. Fortaleza, CE, Brazil.Federal University of Ceará. Fortaleza, CE, Brazil.State Health Secretariat of Ceará. Death Verification Service Dr Rocha Furtado. Fortaleza, CE, Brazil.Federal University of Ceará. Fortaleza, CE, Brazil.Ministério da Saúde. Secretaria de Vigilância em Saúde. Instituto Evandro Chagas. Ananindeua, PA, Brasil.Federal University of Ceará. Fortaleza, CE, Brazil.Ministério da Saúde. Secretaria de Vigilância em Saúde. Instituto Evandro Chagas. Ananindeua, PA, Brasil.Centro Universitário Christus. Faculdade de Medicina. Fortaleza, CE, Brazil.Ministério da Saúde. Secretaria de Vigilância em Saúde. Instituto Evandro Chagas. Ananindeua, PA, Brasil.Centro Universitário Christus. Faculdade de Medicina. Fortaleza, CE, Brazil.Ministério da Saúde. Secretaria de Vigilância em Saúde. Instituto Evandro Chagas. Ananindeua, PA, Brasil.Centro Universitário Christus. Faculdade de Medicina. Fortaleza, CE, Brazil.Centro Universitário Christus. Faculdade de Medicina. Fortaleza, CE, Brazil.Centro Universitário Christus. Faculdade de Medicina. Fortaleza, CE, Brazil.Federal University of Ceará. Fortaleza, CE, Brazil.Universidade Federal de Minas Gerais. Belo Horizonte, MG, Brazil.Universidade Federal de Minas Gerais. Belo Horizonte, MG, Brazil / Ministry of Health. Brasilia, DF, Brazil.Ministry of Health. Brasilia, DF, Brazil.Ministry of Health. Brasilia, DF, Brazil.Ministry of Health. Brasilia, DF, Brazil.Faculdade de Medicina São Leopoldo Mandic. Campinas, SP, Brazil.Ministério da Saúde. Secretaria de Vigilância em Saúde. Instituto Evandro Chagas. Ananindeua, PA, Brasil.University of Oxford. Department of Zoology. Oxford, United Kingdom.University of São Paulo. Virology Research Center. Ribeirão Preto, SP, Brazil.University of Oxford. Department of Zoology. Oxford, United Kingdom / Imperial College London. Department of Infectious Disease Epidemiology. London, United Kingdom.Ministério da Saúde. Secretaria de Vigilância em Saúde. Instituto Evandro Chagas. Ananindeua, PA, Brasil.Federal University of Ceará. Fortaleza, CE, Brazil.Federal University of Ceará. Fortaleza, CE, Brazil / Oswaldo Cruz Foundation - Branch Ceará. Fortaleza, CE, Brazil.BACKGROUND: Chikungunya virus (CHIKV) emerged in the Americas in 2013 and has caused approximately 2.1 million cases and >600 deaths. A retrospective investigation was undertaken to describe clinical, epidemiological, and viral genomic features associated with deaths caused by CHIKV in Ceará state, northeast Brazil. METHODS: Sera, cerebrospinal fluid (CSF), and tissue samples from 100 fatal cases with suspected arbovirus infection were tested for CHIKV, dengue virus (DENV), and Zika virus (ZIKV). Clinical, epidemiological, and death reports were obtained for patients with confirmed CHIKV infection. Logistic regression analysis was undertaken to identify independent factors associated with risk of death during CHIKV infection. Phylogenetic analysis was conducted using whole genomes from a subset of cases. RESULTS: Sixty-eight fatal cases had CHIKV infection confirmed by reverse-transcription quantitative polymerase chain reaction (52.9%), viral antigen (41.1%), and/or specific immunoglobulin M (63.2%). Co-detection of CHIKV with DENV was found in 22% of fatal cases, ZIKV in 2.9%, and DENV and ZIKV in 1.5%. A total of 39 CHIKV deaths presented with neurological signs and symptoms, and CHIKV-RNA was found in the CSF of 92.3% of these patients. Fatal outcomes were associated with irreversible multiple organ dysfunction syndrome. Patients with diabetes appear to die at a higher frequency during the subacute phase. Genetic analysis showed circulation of 2 CHIKV East-Central-South African (ECSA) lineages in Ceará and revealed no unique virus genomic mutation associated with fatal outcome. CONCLUSIONS: The investigation of the largest cross-sectional cohort of CHIKV deaths to date reveals that CHIKV-ECSA strains can cause death in individuals from both risk and nonrisk groups, including young adults. © The Author(s) 2020. Published by Oxford University Press for the Infectious Diseases Society of America
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