In the search for new leishmanicidal agents, Thymus capitellatus Hoffmanns. & Link (familyLamiaceae) volatile extract and its major compounds, 1,8-cineole and borneol, were testedagainst Leishmania infantum, Leishmania tropica and Leishmania major. Plant volatile extract(essential oil) was analysed by GC and GC–MS and the activity of essential oil on Leishmaniapromastigotes viability was assessed using tetrazol...
Os mixomas cardíacos são tumores raros na idade pediátrica.Em 20% dos casos surgem na aurícula direita.Apresenta-se o caso clínico de uma criança de 5 anos referido à urgência pelo médico de família por palidez, taquicárdia, sopro cardíaco e hepatomegália. As ecografias transtorácica e transesofágica confirmaram massa intracardíaca removida cirurgicamente com sucesso O diagnóstico histológico foi mixoma da aurí...
A tuberculose congénita é uma doença considerada pouco comum mas provavelmente subestimada. Apresenta-se o caso clínico de uma lactente de 4 meses de idade internada por síndrome febril prolongado, hepatoesplenomegalia e malnutrição grave. Todos os exames foram inconclusivos e a biópsia hepática confirmou o diagnóstico de tuberculose congénita. Faz-se a revisão bibliográfica dos critérios de diagnóstico entre t...
Os autores descrevem um caso clínico referente a uma criança que apresentava ao nascer uma marcada desproporção toraco-abdominai, por diminuição do diâmetro torácico. O Recém-nascido (RN) fez um Síndrome de Dificuldade Respiratória (SDR) precoce com necessidade de ventilação mecânica, tendo-se verificado dificuldade na entubação traqueal. Após a extubação manteve crises frequentes de polipneia e cianose. Na seq...
In the search for new leishmanicidal agents, Thymus capitellatus Hoffmanns. & Link (family Lamiaceae) volatile extract and its major compounds, 1,8-cineole and borneol, were tested against Leishmania infantum, Leishmania tropica and Leishmania major. Plant volatile extract (essential oil) was analysed by GC and GC–MS and the activity of essential oil on Leishmania promastigotes viability was assessed using tetr...
In order to assess the safety of milk used for produce raw milk ewe cheeses, we collect 60 milk aseptic samples from 60 half udders, during nine weeks, totalizing 540 samples. As result we identified 19 different microorganisms in 86 glands during the sampling time. Only one microorganism (S. aureus) could be dangerous for human health, found in the 6th week. All the others were almost all pathogens for animal ...
This study aimed to compare the efficiency of microbiological test with Californian Mastitis Test and somatic cell count in the diagnosis of Subclinical Mastitis (SM) in Terrincha sheep. Twenty-seven of a flock of about 200 Terrincha ewes (local breed) were studied for a period of 9 weeks (n > 497 samples). Milk samples were aseptically collected from each half udder once a week. At the same time, another sampl...
2011
This study proposes to evaluate the use of heart tissue fatty acid signature and multivariate analysis of fatty acid profile as a possible discriminating tool for sea lamprey P. marinus populations sampled in Portuguese river basins. Local fisherman collected adult sea lampreys in eight Portuguese river basins (Minho, Lima, Cávado, Douro, Vouga, Mondego, Tagus and Guadiana) at the beginning of their spawning mi...
The goal of this work is to study the influence of the contact force model, contact geometry, and contact material properties on the dynamic response of a human knee joint model. For this purpose, a multibody knee model composed by two rigid bodies, the femur and the tibia, and four non-linear spring elements that represent the main knee ligaments, is considered. The contact force models used were the Hertz, th...
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