[PDF] Top 20 An. Acad. Bras. Ciênc. - vol.82 número2

... 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

... Plate VII – Microspores of I. sehnemii as seem with TEM – Figure 26 – Section through the apertural area following the polar axis. The perispore (P) and the para-exospore (Pex) participate in the formation of 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

... Data from the present study shows an influence of the microalgae species and density on the egg production in the copepod Acartia tonsa. At low microalgae densities, a low egg production was observed for the three ... See full document

... between egg size and phytotelmata breeding, however they used a small sample size, since there is little comparative data of phytotelm anuran breeders, especially tropical ones. Concerning development rate, the Amazonian ... See full document

... Annona cornifolia A. St. -Hil. is a small annual perennial tree found in the Brazilian savannah; their green fruit is popularly used in the treatment of ulcers. The acetogenins isolated from the seeds of Annona ... See full document

... for an effective radical scavenging activity is the 3, 4-orthodihydroxy configuration in ring B and 4–carbonyl group in ring C, which has the best electron donating properties and a radical ... See full document

... so-called “Stenorrhynchos Clade”, sensu Salazar et al. (2003). To date, these taxa have not been formally cited for the orchid flora of Rio Grande do Sul (Rambo 1965, Pabst and Dungs 1975). The purpose of the present ... See full document

... methanol as a direct carbon source via serine biosynthesis and 2) decreased carbon loss from photorespiration. Nonomura and Benson (1992a, b) declared that water use efficiency significantly increased in methanol treated ... See full document

... the current velocities due to increasing amplitude of the tide, which contributes to expansion of the mixing process. Conversely, when there is a decrease in current velocity, the advective process generates a greater ... See full document

... be an important method for investigating the toxic and mutagenic effects of chemical substances (Andrade et ...of an organ such as the root is intimately dependent on the increase in the number of cells and ... See full document

... 2955, FUNED 2959, and of both sides in FUNED 2948, FUNED 2949, FUNED 2952, FUNED 2953 and FUNED 2960; in these specimens the temporal contacts the postocular dorsally, third supralabial ventro-anteriorly, postsupralabial ... See full document

... Sarcocornia ambigua is a perennial glasswort, native of South America and a potential new seed-oil crop and forage for direct irrigation with salt water. Small seeds develop inside fertile segments of its cylindrical ... See full document

... In summary, S. knerii showed the following morphological characteristics of the digestive tract: incisiform teeth, a long intestine, an intestinal coefficient value of 1.30 ± 0.17, which are compatible with the ... See full document

... Figure 3 - Curve of the expected size of sample units (Average sample number) for the test sequential probability ratio to total population of adult Bemisia tuberculata (Hemipt[r] ... See full document

... with a few ridges on the distal face, where a micro-ornamentation constituted by verrrucae and tubercles is observed. An equatorial ridge is also present. The exospore is two-layered; in L. venustum, it is smooth ... See full document

... species an exploitation as food sources (predominance of oleic acid), for other species an alternative to cocoa butter (high contents or predominance of stearic acid) or the production of lubricants, ... See full document

... High content screening systems such as the Ar- rayScan VTI from Cellomics and the ImageXpress UL- TRA from Molecular Devices are a more sophisticated approach in measuring cell viability. These instruments represent a ... See full document

... However, the transfusion volume was frequently smaller than the desired because of the limited amount of blood available from one donor. Multiple trans- fusions were avoided in order to decrease the risk for transfusion ... See full document