128 research outputs found

    Seleções de cafeeiros catucaí-açu mais vigorosas.

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    A linhagem da cultivar Catucaí, denominada Catucaí-açu, tem apresentado, em condições de campo, 3 características vantajosas, sendo alta resistência à ferrugem, boa capacidade produtiva e frutos grandes. No entanto, o seu baixo vigor leva a médias produtivas menores pela perda gradativa de produtividade. No presente trabalho objetiva-se a seleção de linhagens de Catucaí-açu mais vigorosas, através do ensaio de competição de plantas Catucaí-açu em campo, no CEPEC/HERINGER

    Relação de ácido fítico e a disponibilidade de ferro em feijões (Phaseolus vulgaris L.) de diferentes tipos de cor.

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    Este trabalho teve como objetivo determinar os níveis de ácido fítico e ferro em grãos de feijão de diferentes grupos de cor, na forma crua, verificando sua relação quanto à disponibilidade do mineral, por meio do cálculo da razão molar (fitato:ferro)

    Thyroid Function and the Risk of Non-Alcoholic Fatty Liver Disease in Morbid Obesity

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    Background: An association between hypothyroidism and the risk of Non-alcoholic Fatty Liver Disease (NAFLD) has been suggested. This association remains to be elucidated in patients with morbid obesity. Aim: To evaluate the association between thyroid function and parameters of liver function and hepatic scores in patients with morbid obesity. Methods: Patients with morbid obesity followed in our center between January 2010 and July 2018 were included. The ones without evaluation of liver and thyroid functions were excluded. Fatty Liver Index (FLI) and BARD scores were used as predictors of hepatic steatosis and fibrosis, respectively. Results: We observed a positive association between TSH and both BARD (OR 1.14; p = 0.035) and FLI (OR 1.19; p = 0.010) in the unadjusted analysis. We found a negative association between free triiodothyronine levels and BARD (OR 0.70; p<0.01) and a positive association between free triiodothyronine levels and FLI (OR 1.48; p = 0.022). Concerning liver function, we found a positive association between total bilirubin and free thyroxine levels (ß = 0.18 [0.02 to 0.35]; p = 0.033) and a negative association between total bilirubin and free triiodothyronine levels (ß = -0.07 [-0.14 to -0.002]; p = 0.042). Conclusion: Higher levels of TSH and free triiodothyronine may be associated with a higher risk of NAFLD, particularly steatosis, in patients with morbid obesity

    Caracterização da qualidade física de feijões (Phaseolus vulgaris L.) de diferentes grupos de cor.

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    Objetivou-se caracterizar a qualidade física de seis diferentes cultivares de feijão de cor, a fim de compor o portfólio de cultivares da Embrapa Arroz e Feijão e contribuir com informações úteis à comunidade científica e indústrias de alimentos. Feijões dos grupos comerciais carioca, preto e especial foram cultivados em Junho (inverno/2014), em Santo Antônio de Goiás-GO, seguindo manejo recomendado

    Neuromyelitis Optica Spectrum Disorders: a Nationwide Portuguese Clinical Epidemiological Study

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    Introduction: Neuromyelitis optica spectrum disorder (NMOSD) is a rare disorder in which astrocyte damage and/or demyelination often cause severe neurological deficits. Objective: To identify Portuguese patients with NMOSD and assess their epidemiological/clinical characteristics. Methods: This was a nationwide multicenter study. Twenty-four Portuguese adult and 3 neuropediatric centers following NMOSD patients were included. Results: A total of 180 patients met the 2015 Wingerchuk NMOSD criteria, 77 were AQP4-antibody positive (Abs+), 67 MOG-Abs+, and 36 seronegative. Point prevalence on December 31, 2018 was 1.71/100,000 for NMOSD, 0.71/100,000 for AQP4-Abs+, 0.65/100,000 for MOG-Abs+, and 0.35/100,000 for seronegative NMOSD. A total of 44 new NMOSD cases were identified during the two-year study period (11 AQP4-Abs+, 27 MOG-Abs+, and 6 seronegative). The annual incidence rate in that period was 0.21/100,000 person-years for NMOSD, 0.05/100,000 for AQP4-Abs+, 0.13/100,000 for MOG-Abs+, and 0.03/100,000 for seronegative NMOSD. AQP4-Abs+ predominated in females and was associated with autoimmune disorders. Frequently presented with myelitis. Area postrema syndrome was exclusive of this subtype, and associated with higher morbidity/mortality than other forms of NMOSD. MOG-Ab+ more often presented with optic neuritis, required less immunosuppression, and had better outcome. Conclusion: Epidemiological/clinical NMOSD profiles in the Portuguese population are similar to other European countries.info:eu-repo/semantics/publishedVersio

    Metaheuristics for Transmission Network Expansion Planning

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    This chapter presents the characteristics of the metaheuristic algorithms used to solve the transmission network expansion planning (TNEP) problem. The algorithms used to handle single or multiple objectives are discussed on the basis of selected literature contributions. Besides the main objective given by the costs of the transmission system infrastructure, various other objectives are taken into account, representing generation, demand, reliability and environmental aspects. In the single-objective case, many metaheuristics have been proposed, in general without making strong comparisons with other solution methods and without providing superior results with respect to classical mathematical programming. In the multi-objective case, there is a better convenience of using metaheuristics able to handle conflicting objectives, in particular with a Pareto front-based approach. In all cases, improvements are still expected in the definition of benchmark functions, benchmark networks and robust comparison criteria
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