Scinax cruentommus (Anura: Hylidae) in the upper Rio Negro drainage, Amazonas state, Brazil, with the redescription of its advertisement call

Scinax cruentommus (Anura: Hylidae) na bacia do alto Rio Negro, Amazonas, Brasil, com a redescrição do seu canto de anúncio. Nós apresentamos o primeiro registro de Scinax cruentommus no alto Rio Negro, Amazonas, Brasil. Nós também redescrevemos o seu canto de anúncio e fazemos comparações acústicas com os dados disponíveis para outras espécies do Clado de Scinax ruber da bacia amazônica. Com a obtenção de novos dados para S. cruentommus, os parâmetros acústicos suplementaram a sua diagnose congenérica em relação às outras espécies amazônicas do Clado de S. ruber além das características propostas em sua descrição original.Scinax cruentommus (Anura: Hylidae) in the upper Rio Negro drainage, Amazonas state, Brazil, with the redescription of its advertisement call. We provide the first record for Scinax cruentommus from the upper Rio Negro, Amazonas state, Brazil. We also redescribe its advertisement call and make acoustic comparisons with available data for other species of the Scinax ruber Clade in the Amazon Basin. With the assessment of further data on S. cruentommus, the acoustic traits have supplemented its congeneric diagnosis in comparison with the other Amazonian species of the S. ruber Clade besides the features proposed in its original description

Sorghum, an alternative cereal for gluten-free product.

There is a growing demand for health foods, indicated by the number of searches including the terms celiac disease and gluten free products. Most information is designed not only for celiac and gluten intolerant patients, but by others interested in obtaining additional health benefits from foods. Sorghum has been recently recognized as a cereal with functional properties, able to improve human health, but still of low direct human consumption. This review aims to illustrate the publication trends relating to sorghum for gluten free products and celiac disease. The scientific literature available in databases from the last twenty years was used. We perceived the need for further sensorial studies in order to understand the consumer expectations of gluten free products, considering the large varieties of colored sorghum grains that could be used to prepare different gluten free products. Keywords: Meta-analysis; Antioxidant capacity; Sensorial analysis; Gluten free products.Review Article

LipidTOX: A fatty acid-based index efficient for ecotoxicological studies with marine model diatoms exposed to legacy and emerging contaminants

Contaminants, when present above certain thresholds, can induce physiological constraints to organisms, namely diatoms, a model group representative of marine phytoplankton, triggering feedback mechanisms, such as changes in cell’s fatty acid profiles, that can be used as biomarkers towards xenobiotic exposure. Having this in mind and considering the ecological relevance of diatom fatty acid profiles as well as their recognized potential as biomarkers of contaminant exposure, the present work aims to develop and test the accuracy of an integrative multi-biomarker response index based on the fatty acid profiles of marine diatoms (using Phaeodactylum tricornutum as model diatom) exposed to several emerging contaminants. In terms of the impacts at the individual fatty acid level, it was possible to observe changes transversal to different contaminants, such as the reduction of C14:0 and C16:0 fatty acids, with increasing xenobiotic concentration, as observed, for example, under propranolol and fluoxetine exposure. Enhancement of C16:2n-7 and C16:3n-4 concentrations as well as complete disruption of the basal fatty acid profile was observed in diatoms exposed to copper nanoparticles. These individual diverse and intrinsically connected alterations in fatty acid concentrations depended on the type and dose of the xenobiotic applied, highlighting the need to address these profiles as a whole. The evaluation of the diatom cells’ fatty acids using a multivariate approach revealed a high degree of sensitivity of these biochemical traits to disclose the type of xenobiotic applied to the diatoms, as well as the exogenous concentration used. These biochemical profiles were later incorporated into a unifying numerical index (LipidTOX) using an integrated biomarker response approach. The LipidTOX index showed strong correlations with both the exogenous xenobiotic concentration applied as well as with the growth features assessed for the exposed cultures, revealing a very high efficiency in translating growth impairments imposed by each of the xenobiotics tested at the different test concentrations. The LipidTOX index proved to be an efficient tool for ecotoxicological assays with marine model diatoms and evidenced a high degree of reliability for classifying the exposure of the cells to emerging contaminants. The results and benefits of the LipidTOX index application can be easily communicated to non-expert audiences such as stakeholders, policymakers and environmental managers so that this approach can be used in future toxicological evaluations of the impacts of classical and emerging xenobiotics in marine primary producers.info:eu-repo/semantics/publishedVersio

LipidTOX: a fatty acid-based index efficient for ecotoxicological studies with marine model diatoms exposed to legacy and emerging contaminants

Contaminants, when present above certain thresholds, can induce physiological constraints to organisms, namely diatoms, a model group representative of marine phytoplankton, triggering feedback mechanisms, such as changes in cell’s fatty acid profiles, that can be used as biomarkers towards xenobiotic exposure. Having this in mind and considering the ecological relevance of diatom fatty acid profiles as well as their recognized potential as biomarkers of contaminant exposure, the present work aims to develop and test the accuracy of an integrative multi-biomarker response index based on the fatty acid profiles of marine diatoms (using Phaeodactylum tricornutum as model diatom) exposed to several emerging contaminants. In terms of the impacts at the individual fatty acid level, it was possible to observe changes transversal to different contaminants, such as the reduction of C14:0 and C16:0 fatty acids, with increasing xenobiotic concentration, as observed, for example, under propranolol and fluoxetine exposure. Enhancement of C16:2n-7 and C16:3n-4 concentrations as well as complete disruption of the basal fatty acid profile was observed in diatoms exposed to copper nanoparticles. These individual diverse and intrinsically connected alterations in fatty acid concentrations depended on the type and dose of the xenobiotic applied, highlighting the need to address these profiles as a whole. The evaluation of the diatom cells’ fatty acids using a multivariate approach revealed a high degree of sensitivity of these biochemical traits to disclose the type of xenobiotic applied to the diatoms, as well as the exogenous concentration used. These biochemical profiles were later incorporated into a unifying numerical index (LipidTOX) using an integrated biomarker response approach. The LipidTOX index showed strong correlations with both the exogenous xenobiotic concentration applied as well as with the growth features assessed for the exposed cultures, revealing a very high efficiency in translating growth impairments imposed by each of the xenobiotics tested at the different test concentrations. The LipidTOX index proved to be an efficient tool for ecotoxicological assays with marine model diatoms and evidenced a high degree of reliability for classifying the exposure of the cells to emerging contaminants. The results and benefits of the LipidTOX index application can be easily communicated to non-expert audiences such as stakeholders, policymakers and environmental managers so that this approach can be used in future toxicological evaluations of the impacts of classical and emerging xenobiotics in marine primary producers.info:eu-repo/semantics/publishedVersio

Sete passos para uma boa ensilagem de sorgo: cartilhas adaptadas ao letramento do produtor.

Esta coleção é elaborada a partir de textos científicos de interesse prático e imediato dos produtores rurais para a melhoria das condições de trabalho, produção e produtividade agropecuária. Todo conteúdo é adaptado à cultura e ao nível de letramento do público-alvo. A linguagem desta cartilha é simples e o vocabulário próximo ao cotidiano dos produtores rurais. O material produzido serve de apoio pedagógico para a interlocução entre extensionistas e produtores rurais. Esperamos que as informações aqui contidas cumpram o papel de disseminar o conhecimento aplicado de uma tecnologia importante para a alimentação animal e fazer uma boa silagem de sorgo em sete passos.bitstream/item/138008/1/Sete-passos.pd

Sintomas osteomusculares e desempenho ocupacional: um estudo entre músicos instrumentistas no contexto do Distrito Federal, Brasil.

Objetivo: Determinar a prevalência de sintomatologia osteomuscular entre músicos de uma universidade federal, verificando seu impacto sobre a participação em atividades de vidadiária e o desempenho de atividades laborais. Método: 26 músicos foram avaliados por meio do Questionário de Disfunção do Ombro, Braço e Mão e Questionário Nórdico de Sintomas Osteomusculares. A relação entre sintomatologia musculoesquelética e desempenho ocupacional foi avaliada por meio dos testes de Mann-Whitney, Teste de Correlação de Spearman e Teste de Chi-Quadrado. Resultados: Foi observado predomínio de queixas osteomusculares nas regiões dos membros superiores e tronco, com baixa procura dos músicos por tratamentos de saúde. Observaram-se diferenças significativas no desempenho de atividades de vida diária e realização de atividades relacionadas à prática musical entre participantes que apresentavam queixas osteomusculares em membros superiores. Conclusão: O desempenho da atividade musical pode levar a processos de adoecimento, influenciando as atividades laborais, e outras áreas do desempenho ocupacional.Ações voltadas para a prevenção e tratamento de queixas osteomusculares são importantes para a elaboração de estratégias que visam preservar e promover a saúde desta população.Objective: To determine the prevalence of musculoskeletal symptomatology among musicians from a federal university, verifying its impact on daily activities and work performance. Methods: 26 musicians have been assessed using the Disabilities of the Arm, Shoulder, and Hand Questionnaire and the Nordic Musculoskeletal Questionnaire. Relation between musculoskeletal symptomatology and occupational performance was evaluated by Mann-Whitney test, Spearman’s rank correlation coefficient, and Chi-square test. Results: We observed preponderance of musculoskeletal complaints in the upper limbs and torso regions, with low demand for medical services by musicians. There was significant difference in the performance of daily activities and music practice among participants who had musculoskeletalcomplaints in upper limbs. Conclusion: Playing-related musculoskeletal disorders may affect work activities and other areas of occupational performance. Initiatives on prevention and treatment of musculoskeletal disorders are important to the development of strategies aiming at preserving and promoting this population health

Sete passos para uma boa ensilagem de milho: cartilhas adaptadas ao letramento do produtor.

Esta coleção é elaborada a partir de textos científicos de interesse prático e imediato dos produtores rurais para a melhoria das condições de trabalho, produção e produtividade agropecuária. Todo conteúdo é adaptado à cultura e ao nível de letramento do público-alvo. A linguagem desta cartilha é simples e o vocabulário próximo ao cotidiano dos produtores rurais. O material produzido serve de apoio pedagógico para a interlocução entre extensionistas e produtores rurais. Esperamos que as informações aqui contidas cumpram o papel de disseminar o conhecimento aplicado de uma tecnologia importante para a alimentação animal e fazer uma boa silagem de milho em sete passos.bitstream/item/138280/1/Sete-passos-milho.pd