[PDF] Top 20 An. Acad. Bras. Ciênc. - vol.88 número1

... acid, an intermediate of the citric acid cycle that may participate on the immune system ...plays an important role in anti-diabetic responses, once they regulate glucose homeostasis, lipid metabolism and ... See full document

... Free-hand cut leaf and internode sections were double-stained with a 1:3 solution of 0.1% (w/v) basic fuchsin and 0.3% (w/v) astra blue, modifi ed from Roeser (1972), and the clarifi ed samples were stained with 1% (w/v) ... See full document

... An additional piece of information may shed some light on the situation. Of the 102 most qualified Brazilian academic economists, 71% obtained their PhD in the US or Europe (mostly in UK). This is well above the ... See full document

... Results similar to those of the germination percentages were observed with the values of the first germination counts of seeds incubated at 20/30°C, where seeds previously stored in the cold chamber had higher ... See full document

... AA supplementation enabled the maintenance of intestinal length, both in 345 and 428-day- old animals, in relation to 90-day-old animals. Considering that the maintenance of intestinal length for animals supplemented ... See full document

... The theory of transport in porous media such as clays depends on the level of description. On the macroscopic scale, hydrodynamics equations are used. These continuous descriptions are convenient to model the fluid ... See full document

... Our results (Table II) indicate that the number of females that were developed through seven instars (19.149%) was much higher than males (6.015%), an aspect still unexplored for representatives of Noctuidae. ... 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

... This paper establishes a systematic methodology for calculating macroscale transport properties of hydrogel-colloid composites based on earlier microscale analysis in the literature (Hill 2006c, b). These macroscale ... See full document

... for an electron to surpass the potential barrier and be freed from the metal in vacuum, whereas the ionization potential is defined as the minimum energy necessary to remove an electron from the ... 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

... is an important factor to consider for the successful use of these species in the field, since unfertilized eggs produce male individuals (Pratissoli et ... See full document

... showed an average diameter of ...showed an SVL < 130 mm were considered to be newborns and were observed in February ...included an observation of two females in December (sum- mer) with embryos ... See full document