Influence of the external pressure on the quantum correlations of molecular magnets

The study of quantum correlations in solid state systems is a large avenue for research and their detection and manipulation are an actual challenge to overcome. In this context, we show by using first-principles calculations on the prototype material KNaCuSi$_{4}$O$_{10}$ that the degree of quantum correlations in this spin cluster system can be managed by external hydrostatic pressure. Our results open the doors for research in detection and manipulation of quantum correlations in magnetic systems with promising applications in quantum information science

Taxa de fertilização e vingamento de frutos de Bertholletia excelsa.

Conhecer com mais detalhes a formação e desenvolvimento dos frutos da castanheira se faz necessário para subsidiar estudos futuros que busquem maximizar a produtividade de Bertholletia excelsa em cultivos ou mesmo em áreas de extrativismo. Seu fruto tem um alto valor nutricional, sendo rico em proteínas, fibras, vitaminas, lipídios, minerais e selênio, e é um produto que pode ser consumido tanto in natura como industrializado. É um dos principais produtos florestais não-madeireiros que gera renda para as famílias residentes em florestas, na Amazônia, sendo amplamente reconhecida como uma espécie modelo para a conservação florestal. O presente trabalho tem por finalidade avaliar aspectos visuais do desenvolvimento de frutos da castanheira a fim de auxiliar em estudo futuro para determinação da curva de crescimento dos frutos e sementes de castanha-do-brasil. O número médio de flores por inflorescência foi de 139,6. Nas inflorescências manipuladas apenas 2,7% das flores contadas geraram frutos, enquanto que em inflorescências não manipuladas esse valor seria da ordem de 10%. Observou-se 75% de aborto nas inflorescências manipuladas e nas não manipuladas nenhum aborto foi observado após 70 dias

Goiabeira serrana: estimativa de variabilidade para características de frutos com base no coeficiente de repetibilidade.

bitstream/item/30372/1/boletim-51.pd

"APLICAÇÃO DE JOGOS COMO UMA POSSÍVEL FERRAMENTA PARA A FORMAÇÃO DO PROFESSOR REFLEXIVO"

Este trabalho analisa a aplicação de jogos como possível estratégia para a formação inicial do professor reflexivo. Neste intuito, alunos do sétimo semestre do curso de Licenciatura em Química da UNIFEV (Centro Universitário de Votuporanga, São Paulo) foram orientados na aplicação de jogos na terceira série do Ensino Médio de uma Escola Pública de Votuporanga. Para tal, 43 licenciandos, divididos em 12 grupos de três ou quatro alunos, foram orientados a adaptarem jogos infanto-juvenis tradicionais aos conteúdos de Química. Como parte das atividades dos discentes, cada licenciando registrou diariamente as atividades em portfólios. As concepções/percepções/sensações manifestadas pelos estudantes após a primeira aplicação e as possíveis contribuições desta atividade para a formação de um professor reflexivo são apresentadas e discutidas

Thermopower and thermal conductivity in the Weyl semimetal NbP

The Weyl semimetal NbP exhibits an extremely large magnetoresistance (MR) and an ultra-high mobility. The large MR originates from a combination of the nearly perfect compensation between electron- and hole-type charge carriers and the high mobility, which is relevant to the topological band structure. In this work we report on temperature- and field-dependent thermopower and thermal conductivity experiments on NbP. Additionally, we carried out complementary heat capacity, magnetization, and electrical resistivity measurements. We found a giant adiabatic magnetothermopower with a maximum of 800 $\mu$V/K at 50 K in a field of 9 T. Such large effects have been observed rarely in bulk materials. We suggest that the origin of this effect might be related to the high charge-carrier mobility. We further observe pronounced quantum oscillations in both thermal conductivity and thermopower. The obtained frequencies compare well with our heat capacity and magnetization data.Comment: 6 pages, 3 figure

Effects Of A Physical Exercise Program In Patients Diagnosed With Schizophrenia

Objectives: To report the effects of a pilot physical exercise program on the quality of life, physical capacity, psychopathological symptoms, body constitution and biochemical parameters in patients with schizophrenia. Methods: In October 2013, a protocol was established between the Sports Department of the University of Évora and the Mental Health Department of Espírito Santo Hospital. A pilot study was initiated to promote physical and psychological rehabilitation of schizophrenic outpatients. Ten patients accepted to participate on the present research. The exercise program consisted of 20 training sessions with 60 minutes each, within a 20-week period. All sessions were supervised by a professional on physical activity. Baseline data were collected prior to intervention and include: a) quality of life assessed with the Functional Assessment Staging Scale, with the Brief Symptom Inventory and the Positive and Negative Syndrome Scale b) health related battery of tests; c) body composition with a DXA; d) blood analysis. The same data will be collected by the end of the intervention (June 2014). Initial and final results will be then correlated and used to investigate associations among quantitative independent variables. Results: By the end of the program (June 2014) it is expected for the participants to show an improvement in physical performance, body composition and the reduction of cardiovascular risk. Concerning psychopathological features, it is expected an improvement in Quality of Life and Functional Assessment, a significant decrease in the Brief Symptom Inventory and in the Positive and Negative Symptom Scale. Conclusions: Schizophrenia is a disease with serious physical repercussions, caused not only by the disease itself but also because of antipsychotics side effects. This pilot physical exercise program, despite its methodological limitations, emphasized the relevance of including serious mentally ill patients in rehabilitation programs in order to promote the recovery of functional abilities

Public and patient involvement in needs assessment and social innovation: a people-centred approach to care and research for congenital disorders of glycosylation

Background: Public and patient involvement in the design of people-centred care and research is vital for communities whose needs are underserved, as are people with rare diseases. Innovations devised collectively by patients, caregivers, professionals and other members of the public can foster transformative change toward more responsive services and research. However, attempts to involve lay and professional stakeholders in devising community-framed strategies to address the unmet needs of rare diseases are lacking. In this study, we engaged with the community of Congenital Disorders of Glycosylation (CDG) to assess its needs and elicit social innovations to promote people-centred care and research. Methods: Drawing on a qualitative study, we conducted three think tanks in France with a total of 48 participants, including patients/family members (n = 18), health care professionals (n = 7), researchers (n = 7) and people combining several of these roles (n = 16). Participants came from 20 countries across five continents. They were selected from the registry of the Second World Conference on CDG through heterogeneity and simple random sampling. Inductive and deductive approaches were employed to conduct interpretational analysis using open, axial and selective coding, and the constant-comparison method to facilitate the emergence of categories and core themes. Results: The CDG community has unmet needs for information, quality health care, psychosocial support and representation in decision-making concerned with care and research. According to participants, these needs can be addressed through a range of social innovations, including peer-support communities, web-based information resources and a CDG expertise platform. Conclusion: This is one of the few studies to engage lay and professional experts in needs assessment and innovation for CDG at a global level. Implementing the innovations proposed by the CDG community is likely to have ethical, legal and social implications associated with the potential donation of patients’ clinical and biological material that need to be assessed and regulated with involvement from all stakeholders. To promote people-centred care for the CDG community, and increase its participation in the governance of care and research, it is necessary to create participatory spaces in which the views of people affected by CDG can be fully expressed.FCT - Foundation for Science and Technology (Portuguese Ministry of Science, Technology and Higher Education), the Social European Fund and the POPH Programme supported this study with research grants: SFRH/BPD/111344/2015 (CF) and IF/01674/2015 (SS)