[PDF] Top 20 An. Acad. Bras. Ciênc. - vol.76 número4

... has attracted some attention in the last two decades, and is now but an example in Gromov– Witten theory, cf. (Fulton and Pandharipande 1997), (Kock and Vainsencher 1999). No such general technique is known yet ... See full document

... The inducible co-stimulatory protein (ICOS) is a member of the CD28/CTLA-4 family and is ex- pressed specifically by T lymphocytes, interacting with its ligand B7H on the surface of B cells and macrophages. This ... See full document

... The karyotype of Salix alba is composed of six pairs of relatively large chromosomes, making it a convenient instrument for karyotypic studies (Carvalho 2005). The Tradescantia Micronuclei Test (Trad-MCN) is a common ... See full document

... and an abruptly tapered bulb with parallel low keels on basal embolus (Fig. 2A, B). It resembles Chaco sanjuanina but differs in its small size, and male of C. ansilta sp. nov. only have two spines on tibial ... See full document

... in an extractive form and information about production technologies are essential for its seedling propagation and rational use, however, the seedling production is hampered due to the small number of seeds per ... See full document

... defense processes (Andrade et al. 2004); however, the behavior here reported shows that along the infection in higher concentration there is an increase in this type of cell. Such situation suggests direct or ... See full document

... Production of fibrous activated carbons from natural cellulose (jute, coconut) fibers for water treatment applications. Mechanical property evaluation of sisal–jute–glass fi[r] ... See full document

... The region of Ilha Grande Bay is home to the territories of the cities of Parati and Angra dos Reis, who had 145,000 inhabitants in 2010. In view of the beautiful landscape of the region, its main vocation naturally ... See full document

... suggest an anesthetic effect of EE, this could also be ...has an effect on voltage-dependent sodium channels, stimulating their opening, with no blocking effect 28 (McFerren et ... See full document

... Inhibition of shoot growth was 40%, whereas the inhibition of root growth reached 65%, within a treatment of 3%, when compared to the control (Figure 4). The use of native plants as target-species in allelopathic studies ... See full document

... The knowledge regarding of the diaspore and post-seminal development of Paspalum L. is important for grassland biodiversity conservation, based on their representativeness and genetic improvement of forage. The ... See full document

... in an extracellular environment- independent ...not an isolated organelle because it has developed sophisticated mechanisms of communication with many other cellular compartments, especially the ... See full document

... In agreement with previous investigations, in a de Sitter cosmology planetary orbits and the size of atoms remain unchanged. However, for the Einstein-de Sitter cosmology, either with a “dust” or a “radiation” equation ... See full document

... THE AVERAGING THEORY OF SECOND ORDER In this section we recall the averaging theory of second order to find periodic orbits. Theorem 3[r] ... 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

... Animals that have deceased from natural causes were donated by the National Center of Primates (Cenp). All procedures were carried out according to the interna- tional practices for animal use and care under the con- ... See full document

... without an increased inflammation in mice (Kasa- hara et ...suggest an imbalance between apoptosis and the repair of structural cells in the lung, favoring the destruction of lung tissue in response to ... See full document

... Ethanolic extracts of C. sylvestris leaves have revealed anti-ulcer properties, a finding that corroborates its wide use in gastrointestinal disorders (Hoehne 1939, Fialho et al. 2010). Basile et al. (1990) showed that ... See full document

... Recently, García de la Torre et al. (2010) and Ros- sato et al. (2010) reported that extinction itself, being one form of learning, can be subjected to reconsolida- tion in at least two different tasks in rats. Both ... See full document

... has an important effect, this effect is restricted to when the canopy is actually wet, which is a relatively short period of time at monthly or longer time ... See full document