[PDF] Top 20 An. Acad. Bras. Ciênc. - vol.75 número2

... at an other one (a tidal ...of an emitting dipole, the gravitational energy flux is proportional to the square of the third time derivative of an emit- ting quadrupole ...in an important ... See full document

... 1g of chrysotile with immobilized enzyme (140 mg of lipase) was transferred to an erlenmeyer with 25 mL of hexane. Equimolar amounts (0,01 mol each) of the reactants (acids: hexanoic, octanoic and lauric; ... See full document

... In contrast to membrane permeable vital dyes, an- other commonly used class of colourimetric or fluor- escent compounds is predominantly excluded by intact cellular membranes. These non-vital dyes preferentially ... See full document

... Red blood cell (RBC) transfusions have become an important tool in veterinary critical care and emergency medicine (Weingart et al. 2004). A strict transfusion policy, with the use of blood typing and crossmatch- ... See full document

... Fig. 1 – (a) Phylogenetic analysis of Schistosome serpins. The thirteen serpins were aligned using MUSCLE and a bootstrapped maximum likelihood tree was generated using PhyML 3.0. The percentage branch bootstrap support ... See full document

... High contents of oil predominate in Vochysiaceae seeds, reaching up to 32% in V. pyramidalis, sample 52 (Table I). Contents of many samples analyzed are higher than those of soybean (12-24%), sunflower (22- 36%), cotton ... See full document

... soil to improve the environmental quality, and, thereby, decrease the risk on the population. Based partially on the CLEA (Contaminate Land Exposure Assessment) model employed in England and Wales (Environment Agency ... See full document

... We collected adults emerged from each tray until the full emergence, at intervals of five days, using an adapted vacuum cleaner, and weighed the total of insect/tray on a scale in order to estimate the feasibility ... See full document

... smooth and with two strata: the inner stratum is strongly adhered to the exospore and more contras- ted than the outer one. Layer P2 0.6-0.7 µm thick, is constituted by radially arranged elements. In this layer, ... See full document

... coleoptiles, followed by the primary root, which is ephemeral. The rhizome originates from the mesocotyl and it promotes the vascular connection between the roots, leaves and scapes. The continuity of the tissues is ... See full document

... In shade plants, the water parenchyma has seven to nine layers of isodiametric and dorso-ventrally elongated cells in the base and in the middle of the leaves; and fi ve to seven laye[r] ... See full document

... In this paper, on the one hand, we obtain vanishing theorems of two classes of complete manifolds that satisfy weighted Poincaré inequalities (Theorems 2.2 and 2.7). At the same time, we apply Theorem 2.2 to minimal ... See full document

... The success of a copepod culture depends on sur- vival and fecundity rates of the cultivated animals, which are limited by food availability (Checkley 1980), temp- erature (Gaudy et al. 2000), and water salinity (Car- ... See full document

... Pre- to syn-collisional batholiths are distinguished by their well-developed linear and foliated structures, which are aligned parallel to the regional trends. Gran- ites with I-type and S-type affinities are the ... See full document

... In a longitudinal section of a bud of the rhizome of Lagenocarpus rigidus (Fig. 20 and 21), it can be noted that, near the apex (although the section is not median), the walls of the DME layer are not thick- ened, while ... See full document

... Fig. 1 – Initial signals discharged by FGF2R activation in G0/G1-arrested Y1 adrenocortical cells: (A) SDS-PAGE Western Blot assays show a rapid and transient c-Ki-Ras activation induced by FGF2 (1 nM). These results are ... See full document

... Regarding the Holocene evolution of the coastal plain, the deposition started with the formation of a bar- rier-island/lagoon system that reached its final position around approximately 5600 cal yr BP. At that time, the ... See full document

... in an established area and volume of a tissue, we have to develop special tools, such as, “d” calibration of a system (Weibel 1979) “forbidden line” to avoid overestimation of particles in a specific area ... See full document

... The study was in accordance with the “Principles of la- boratory animal care” (NIH publication No. 85-23, re- vised 1985), and was approved by the Institution’s An- imal Care and Use Committee. Experiments were ... See full document

... Plate II – Megaspores of I. sehnemii as seen with LM – Figure 9 – Section of the megaspore. The distal ornamentation (lower part of the photograph) consists of the highest structural elements of the silica cover (Si), ... See full document