Nas últimas décadas o modelo SAL debruçou-se sobre três componentes fundamentais do processo de aprendizagem: concepções, abordagens e percepção sobre os contextos de aprendizagem. A partir das experiências descritas pelos estudantes, estes estudos revelaram a existência de relações entre as três componentes, a qualidade da aprendizagem e os resultados académicos (Entwistle 2007; Marton & Säljo, 1997; Chaleta e...
Churg-Strauss syndrome (CSS) is a systemic necrotizing vasculitis of the small and medium vessels, associated with extravascular eosinophilic granulomas, peripheral eosinophilia and asthma. This is a rare syndrome of unknown etiology, affecting both genders and all age groups. CSS patients usually respond well to steroid treatment, although relapses are common after it ends. Timely diagnosis and treatment gener...
Many publications show an incidence increase of Clostridium difficile (CD) associated disease (CDAD), affecting both in- and outpatients being these recent infections more severe and difficult to treat. The aim of this retrospective study is to evaluate the incidence and clinical impact of CDAD in patients hospitalized from the 1st January 2004 to the 31st December 2009. Suggestive clinical manifestations and a...
From 1907 patients with chronic hepatitis C proposed for treatment, we analysed 1380 (1124 naive and 256 treatment-experienced) with complete follow-up. Genotype and HCV RNA quantification were assayed by commercial tests. Viremia was considered high if >800,000IU/mL, and low if <400,000IU/mL. Liver fibrosis was staged in 614 patients. RESULTS: Genotype 1 was the most frequent (60%), followed by 3 (25%), 4 (9%)...
From 1907 patients with chronic hepatitis C proposed for treatment, we analysed 1380 (1124 naive and 256 treatment-experienced) with complete follow-up. Genotype and HCV RNA quantification were assayed by commercial tests. Viremia was considered high if >800,000IU/mL, and low if <400,000IU/mL. Liver fibrosis was staged in 614 patients. RESULTS: Genotype 1 was the most frequent (60%), followed by 3 (25%), 4 (9%)...
During the process of endochondral bone formation, chondrocytes and osteoblasts mineralize their extracellular matrix by promoting the formation of hydroxyapatite (HA) seed crystals in the sheltered interior of membrane-limited matrix vesicles (MVs). Ion transporters control the availability of phosphate and calcium needed for HA deposition. The lipidic microenvironment in which MV-associated enzymes and transp...
No Brasil, cultiva-se o abacaxizeiro, Ananas comosus (L) na maioria das regiões ,sendo a 'Pérola' a cultivar mais plantada. Apesar de seu aspecto rústico, essa bromeliácea, em uma produção comercial, exige tratos culturais e fitossanitários rigorosos, para evitar problemas como a murcha que está associada à cochonilha Dysmicoccus brevipes Cockerell (1893) (Hemiptera: Pseudococcidae), cujas perdas na produção, e...
O abacaxizeiro, Ananas comosus, é atacada por diversas doenças nas regiões produtoras no mundo tanto em condições de campo quanto em pós-colheita, com reflexos negativos na produtividade e qualidade dos frutos. Entre as doenças, aquelas causadas por fungos ocorrem em maior intensidade, enquanto causado por bactérias e por vírus ocorrem em menor escala. Além disto a ocorrência de anomalias de causa abiótica tamb...
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