[PDF] Top 20 An. Acad. Bras. Ciênc. - vol.84 número1

... 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

... tery’ (MDTB) that has been developed by Blanchard et al. (2001a). In this test situation, a mouse is placed inside an oval runway (smaller than that for rats), and a stuffed rat is made to approach the ... 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

... 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

... 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

... 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

... 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

... 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

... [2] + [2B N] + [4B N] + [3  ] (2b) Contrary to the results noted for combinations of radical pair A, combinations of radical pair B fa- vor 2 and 4BN in both the glassy and melt states of PVAc (Table I). The decreased ... See full document

... shows an example for which large sample size induces a statis- tically significant result for a very small effect size, which can readily be interpreted as not having bio- logical ...largest AN- COVA effect ... See full document

... The reaction was performed in a fixed bed reactor at atmospheric pressure and feed containing 20% ethylene, 5% oxygen, 7% CO 2 balanced with N 2 (v), with a space velocity of 4000 h -1 . After 303 hours with time on ... See full document

... At last, it is important to stress that the effect of geometric amplification described here abso- lutely does not replace other mechanisms of production of large uniform fields, as the conventional dynamo effect, ... See full document

... Bacillus subtilis and some of its close relatives have a long history of industrial and biotechnological applica- tions. Search for antigen expression systems based on recombinant B. subtilis strains sounds attractive ... See full document

... with an un- usually expanded crista prootica and the presence of an anterior prolongation of the parasphenoid reaching the basal tubera are the most striking fea- tures of MUCPv-334, different from the ... See full document

... Different cultures see the appearance of other insect species with funereal signs. The Aymara peo- ple from Bolivia took the presence of a certain rare moth as an omen of death. And the ancient Mexicans feared one ... 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

... is an important genus belonging to Clusiaceae, with 55 different polyisoprenylated benzophenones identified so ...from an evolutionary perspective corroborates the fact that Clusiaceae is a family in ... See full document

... After these were completed, 5 mL of blood was collected from the patient, early in the morning, after an overnight fast of at least 8 hours, and stored in a polypropylene tube protected from light. Then 3 mL of ... See full document

... was an active search for including the highest possible number of smokers in this study aiming at performing genetic ...to an underrepresentation of non- smokers in the ... See full document