[PDF] Top 20 An. Acad. Bras. Ciênc. - vol.76 número1

... As we proceed to even larger structures, evidence for large scale magnetic fields are seen. In the intracluster medium in cluster of galaxies, fields of ≈ 10 −10 T have been derived from the diffuse synchrotron radio ... See full document

... provide an explanation for the antifungal action of antibodies to CMH, since binding of antibodies to cell wall components could interfere with the biosynthesis and organization of the cell wall ... See full document

... We thank Yacimientos Petrolíferos Ficales Boli- vianos (YPFB), Servicio Nacional de Geología y Minería de Bolivia (SERGEOMIN) and ORSTOM Bolivie for logistic support for fieldwork in Bolivia. Suggestions for improvements ... 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

... be an intermediate in the biosynthesis of 1,3,5,6-tetrahydroxyxanthones in species from the genus Garcinia (Clusiaceae) (Chantarasriwong et ...represents an important biosynthetic branch point in different ... See full document

... These analyses were performed on a Shimadzu LC- 10 Instrument, two LC-10 AT pumps, a Rheodyne 7725 injector with 20µl loop and a photodiode array detector SPD-M10A. The column employed was a Zorbax SB-18; 250 x 4.6mm, ... See full document

... with an absolute rate of insulin-stimulated glucose uptake increase under these conditions (troglitazone) (Hamm et ...with an oral glucose load before and after 3-month treatment with pioglitazone or ... See full document

... CYP2A6 gene variants were analyzed employing PCR amplification with the primers R2 (5'AAAATGGGCATGAACGCCC-3') and 8s (5'- CACCGAAGTGTACCCTATGCTG-3'), based on previous published study (Nakajima et al. 2001). The final ... See full document

... have an identical ...Thus, an increase in habitat structural complexity (environmental heterogeneity) and in the partitioning of different niches and micro-climates, can lead to balance through species ... See full document

... 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

... The stomata are tetracytic with terminal (polar), short and hexagonal subsidiary cells as well as lateral (parallel to the ostiole), elongated cells with similar lengths to the guard cells (Fig. 1C). The lamina is ... See full document

... The breast milk retinol was extracted according to Giuliano et al. (1992), with adaptations. The method consisted of an alkaline hydrolysis and protein denaturation, using the potassium hydroxide (50%) and ethyl ... See full document

... The mucilage-secreting trichomes in the leaf sheath were reported for different genera of Rapateaceae (Carlquist 1969, Ferrari et al. 2014) and may represent an apomorphy of the family. The function of the ... See full document

... was determined using the volumetric tube of the equipment. The determination of the chemical constituents of the oil was performed by gas chromatography–mass spectrometry (GC/MS), using a Shimadzu QP5050A (Shimadzu Co., ... See full document

... consumed, suggesting that prey size can be adjusted and constrained by mouth size of frogs (although this trend did not appear for the RJP). It is expected that animals that cannot handle their prey and need to swallow ... See full document

... made to a factor range of 100 to 175 times. The control treatment with no dye effluent addition was represented as normal BBM. The microalga was acclimated to the BBM using semi-continuous batch system. When the ... See full document

... as an inch-thick transverse section, does not show this feature, and thus cannot be confidently referred to this ...representing an animal with a wingspan up to 7 ... 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

... The experiment was carried out at the Department of Animal Science at the Universidade Federal de Viçosa, located in the municipality of Viçosa-MG, Brazil. Viçosa is situated at 20° and 45’ latitude south, 42° and 51’ ... 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