[PDF] Top 20 An. Acad. Bras. Ciênc. - vol.80 número3

... The LBA has self-consciously sought to improve past models of “scientific colonialism” in which North- ern-funded science experiments in less developed coun- tries did little, and usually nothing at all, to improve the ... See full document

... tack, while only 2 out of 10 healthy controls pre- sented the same symptoms. All patients reported that the lactate-induced anxiety was similar to a real- life PA. The susceptibility of PD patients to lactate became well ... See full document

... providing an analysis on lipid dynamics during insect development was conducted by Kinsella ...to an increase on the content of palmitic (16) and stearic (18) ...to an increase on the content of ... See full document

... Let p be the reduced singularity of F whose quotient of eigenvalues is not rational nor a root of unity. If F admits an invariant algebraic curve C we can suppose without loss of generality that C is reduced and ... See full document

... Subvolcanic rocks are monzonites and quartz monzonites and occur as small intrusions around the Lavras Granite Complex. These rocks occur in two different facies: a porphyritic one with phe- nocrysts of plagioclase ... See full document

... Hermit crabs represent a very important macro- zoobenthic group within the intertidal and sublit- toral communities. They have an important role in the marine trophic chain (Fransozo et al. 1998). Consequently, ... See full document

... of radioactivity (Trivelin et al. 1979, 2002, Eriksen 1996, Máximo et al. 2000). In studies developed for the isotopic separation of 34 S, Bendassolli et al. (1997) mentioned that the use of stable isotopes is an ... See full document

... The monzodiorites are massive, leuco- to mesocratic rocks (CI: 30-35), characterized by equigranular fine- grained texture. These rocks are easily distinguished from the other varieties due to the large quantities of ... See full document

... p-disubstituted aromatic ring [ δ 7.86 (2H, d, J = 8.5 Hz, H-2
and H-6
) and δ 7.04 (2H, d, J = 8.5 Hz, H-3
and H-5
)] and one methoxy group [ δ 3.91 (3H, s, 4
-OCH3)]. A typical flavone H-3 signal at δ 6.69 ... See full document

... create an environment where the amorphous polymers of wood reach its glass transition temperatures and are softened, which allows internal tensions relieves by the molecu- lar and microstructural re-organization ... See full document

... 1996), an effective dog control campaign would occur with the optimization of the sensitivity of the serological assay used for ...guarantee an efficient ... See full document

... shown an opposite effect of ...length, an effect that was abolished by treatment with α-Bgt, indicating the involvement of α7-containing nAChRs in this ...that an optimal level of intracellular ... See full document

... concentrations, an effect that is blocked by removing calcium ions from the extracellular medium, indicating that adenosine is released from retinal neurons in culture by a calcium-dependent ...by an ecto ... See full document

... L. longipalpis from Jacobina, Bahia State, Brazil (Hamilton et al. 1996a). The same analysis was applied to specimens from Lapinha Cave, Minas Gerais State, Brazil (Hamilton et al. 1996b) and the substance was also a ... See full document

... It was discussed above and elsewhere (Szapiro et al. 2000, 2002, Vianna et al. 2003) that the molec- ular changes underlying the beginnings of extinction are in all probability triggered by retrieval. Thus, at least in ... See full document

... 1999). An early explanation why transgenes can be ectopically expressed was that the promoters might not contain all the sequences required for their correct tissue-specific ... See full document

... Fig. 4 – The Holocene transgressive dunefield prograded barrier system at Curumim, ∼ 150 km NE of Porto Alegre. The seaward portion is an active transgressive dunefield (a), while the vegetated portion consists of ... See full document

... established an estimator that combined the presence of food – the proportion of samples (n = 840) with fallen fruit or flowers – and its importance in the diet by ... See full document

... Nuclear image acquisition was done after creating an automatic threshold of the nuclear boundaries in 8-bit format using National Institutes of Health ImageJ (version 1.44p) software. The following protocol was ... See full document

... (Kacelnick 1984, Jones 1987), bees that carry pollen to the colony (Schmid-Hempel 1986), hunting-wasps that store prey in their nests (Araújo and Gonzaga 2007) and leaf-cutting ants that carry leaf fragments (Burd 2000) ... See full document