Stewart's physicochemical approach was used to study the effects of pregnancy on acid-base regulation in arterialized blood. Responses of 15 healthy pregnant women (PG; gestational age, 37.1 +/- 0.2 wk) were compared with those of 15 nonpregnant controls (CG) at rest and during cycling at 70 and 110% of the ventilatory threshold (T(vent)). Hydrogen ion concentration ([H(+)]) was lower in the PG...

background: the recovery of areas impacted by mining activities is a major challenge and requires knowledge how biological biochemical processes soil as well establishment plant species are affected residue. in this work, influence deposition iron mud tailings on attributes initial development tree seedlings was studied simulated event greenhouse. pots (n = 27) with natural (2.0 kg) received (2...

Background The deep-sea hydrothermal vent is one of the most 'extreme' environments in the marine realm. Few species are capable of inhabiting such ecosystems, despite extremely high productivity there supported by microbial chemosynthesis, leading to high biomass and low species richness. Although gastropod molluscs are one of the main constituents of megafaunal communities at vent ecosystems,...

Microbial transformation has been successfully applied in the production of steroid intermediates with therapeutic use and commercial value in pharmaceutical industry due to its high regio- and stereo-selectivity. As such, it is still important to screen microbial strains with novel activity or more efficient abilities in the development of the commercial steroid industry. Biotransformation of ...

Organisms living in the hydrothermal environment are subject to great instability on various spatial and temporal scales (Haymon et al., 1993; Hessler et al., 1988; Lalou, 1991). Catastrophic and chaotic extinctions in populations (Tunnicliffe et al., 1990) forces vent animals to disperse continuously and colonise new active sites (Shank et al., 1998; Tunnicliffe et al., 1997). Population genet...

Simultaneous reports were received between June and July 2007 of wild Atlantic salmon Salmo salar with red, swollen, bloody vents returning to geographically diverse rivers in Scotland. By the end of September the condition, colloquially known as 'red vent syndrome' (RVS), was reported from >50 rivers across Scotland. Fish were generally in good overall condition but the vent area showed mild t...

BACKGROUND The herb formulation Deva-5 is used in traditional medicine to treat acute infectious diseases. Deva-5 is composed of five herbs: Gentiana decumbens L., Momordica cochinchinensis L., Hypecoum erectum L., Polygonum bistorta L., and Terminalia chebula Retz. Deva-5 and its five components were investigated for in vitro antiviral activity against avian influenza A virus subtype H3N8. M...

As braquiárias (Urochloa spp.) tem sido muito utilizada na pecuária e agricultura brasileira, como plantas forrageiras de cobertura solo. Assim, o objetivo do presente estudo foi avaliar no ambiente edafoclimático Coruripe, região leste estado Alagoas, a produção qualidade bromatológica das brizantha decumbens, bem potencial produtivo destas recobridoras solo recicladoras nutrientes. O utilizad...

Since the first discovery of deep-sea hydrothermal vents along the Galápagos Rift in 1977, numerous vent sites and endemic faunal assemblages have been found along mid-ocean ridges and back-arc basins at low to mid latitudes. These discoveries have suggested the existence of separate biogeographic provinces in the Atlantic and the North West Pacific, the existence of a province including the So...