[PDF] Top 20 An. Acad. Bras. Ciênc. - vol.73 número1

... is an associa- tion between alcohol consumption and increased left ventricular mass, in men but not in women, indepen- dently of the type of alcoholic beverages (Gronbaek et ... See full document

... Changes in mitochondrial transmembrane potential may regulate a number of cellular processes. The process of differentiation of a murine erythroleu- kaemia cell line involves mitochondria depolarisa- tion (Levenson et ... See full document

... Moving outside the Brazilian context and towards an extreme example, Nobel Prize-winning economists have these credentials. Their ideas and recommendations may influence the laymen when they appear in the media ... See full document

... was an increase in neuronal cellular profile with age and that the ganglionic arrangement was maintained, although with visible spaces between the cellular bodies of different sizes in the ganglia of 348 and ... See full document

... with an alternating regimes of 8 hours at 20°C in the dark and 16 hours at 30°C in the light, for 30 days (when the germination percentage was found to stabilize); 2) into polystyrene trays ... See full document

... This study aimed to detail the temporal and morphological parameters of the immature stages of Spodoptera albula (Walker 1857) under controlled conditions (25 ± 1°C, 70 ± 10% RH and 14 hour photophase) and to gather ... See full document

... Therefore, we consider the shared characteristics to be morphological convergences due to their similar habitat use, and we include the new species putatively in the genus Tmesiphante[r] ... See full document

... Air temperature greatly influences the seed physiological quality and germinative behavior (Daws et al. 2004, 2006, Lamarca et al. 2011). However, for E. pyriformis seeds, the air temperature influence represented by GDD ... See full document

... Among the interesting features of this crest is the presence of several shallow channels (Figs. 3-4). On the right lateral side there is one central channel that runs sub parallel to the ventral border of the skull. ... See full document

... The characteristic paradigm of the Natural Sciences is one in which basic research predo minates, i.e., research oriented primarily toward advancing scientific knowledge without an immediate pers- pective for the ... See full document

... The experiment was carried out at the Department of Animal Science at the Universidade Federal de Viçosa, located in the municipality of Viçosa-MG, Brazil. Viçosa is situated at 20° and 45’ latitude south, 42° and 51’ ... See full document

... Hydrated smectite clays such as montmorillonite are lamellar mineral crystals composed of charged layers separated by an aqueous solution. They exhibit special features towards hydration and ion fixation ... See full document

... After drying, a hand magnet is used to remove highly magnetic minerals such as magnetite and ilmenite from the Caneca 1 concentrate. Another magnetic sep- aration takes place by means of an Isodynamic Frantz (Fig. ... See full document

... of an H-atom by the constituents of radical pairs A and B, especially from the backbone of the PVAc polymer or from ethyl acetate, can lead to products in which a radical is attached to the polymer or ... See full document

... ene (Takaishi et al. 1997) along with the NOE cross peak between H-17 and H-14 α in the 1 H- 1 H- NOESY spectrum led us to established an equato- rial position for the C-17 methyl group, such as in the ... See full document

... fesa identificou três estratégias comuns a diferentes espécies de animais, desencadeadas por situações de perigo predatório potencial, distal ou proximal, respectivamente. A primeira consiste na investigação cautelosa do ... See full document

... D E M OURA KCG, E MERY FS, P INTO CN, P INTO MCRF, D ANTAS AP, S ALOMÃ O K, C ASTRO SL AND P INTO AV. 2001. Trypanocidal activity of isolated naphtho-qui- nones from Tabebuia and some heterocyclic derivatives: A review ... See full document

... The potential solution should be solved numerically for each gap distance r. This potential could be computed from solving numerically an one dimensional Poisson-Boltzmann problem, with, for exemple, a collocation ... See full document

... of an accompanying pressure gradient, the large, positive electric field would drive electroosmotic flow in the direction of the bulk concentration gradient (from left to ... See full document

... The majority of the antibiotics are prescribed for ENT infections with a presumed viral etiology. Acute tonsillitis, where viruses like adenovirus, Epstein-Barr virus or influenza viruses are implicated, is treated ... See full document