The potential terrestrial toxicity of three pesticides, azoxystrobin, chlorothalonil, and ethoprophos was evaluated using reproduction ecotoxicological tests with different non-target species: the collembolan Folsomia candida, the earthworm Eisenia andrei, and the enchytraeid Enchytraeus crypticus. All reproduction tests were performed with natural soil from a Mediterranean agricultural area (with no pesticide ...
Validating the potential pathogenicity of copy number variants (CNVs) identified in genome-wide studies of autism spectrum disorders (ASD) requires detailed assessment of case/control frequencies, inheritance patterns, clinical correlations, and functional impact. Here, we characterize a small recurrent duplication in the annexin A1 (ANXA1) gene, identified by the Autism Genome Project (AGP) study.
A relação entre Dor Abdominal Recorrente (DAR) na criança e a infecção por Helicobacter pylori (Hp) tem sido longamente debatida, mantendo-se ainda um assunto polémico.No sentido de investigar este problema avaliaram-se 35 crianças com DAR da Consulta Externa de Gastroenterologia Pediátrica do Hospital de S. João.Métodos: Os doentes incluídos no estudo efectuaram investigação clínica e analítica adequada a cada...
This thesis discusxes electronic instrumentation designed and built with a specific application in mind, namely, the application of induced X-ray emission (PIXE) to the qualitative and quantitative analysis materials.The physical principles upon which PIXE is based are briefly reviewed and a short description of the experimental arrangement - particle accelerator and peripheral equipment - where the instru...
Migraine is a common neurological episodic disorder with a female-to-male prevalence 3- to 4-fold higher, suggesting a possible X-linked genetic component. Our aims were to assess the role of common variants of gammaaminobutyric acid A receptor (GABAAR) genes, located in the X-chromosome, in migraine susceptibility and the possible interaction between them. An association study with 188 unrelated cases and 286 ...
Introdução: Os quistos do ovário são raros na criança pré-púbere, representando os quistos funcionantes 5% dos casos. A manifestação clínica mais comum é o desenvolvimento de puberdade precoce isossexual. Caso clínico: Rapariga de cinco anos e cinco meses, observada por hemorragia vaginal. Sem antecedentes pessoais ou familiares relevantes. No exame físico objetivou-se perda hemática vaginal e botão mamário bil...
Methanogenic archaea are reported as very sensitive to lipids and long chain fatty acids (LCFA). Therefore, in conventional anaerobic processes, methane recovery during LCFA-rich wastewater treatment is usually low. By applying a start-up strategy, based on a sequence of step feeding and reaction cycles, an oleate-rich wastewater was efficiently treated at an organic loading rate of 21 kg COD m(-3) day(-1) (50 ...
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