The endothelins (ET-1, 2 and 3) constitute a family of 21 amino acid peptides with potent biological activities.ET-1 is one of the most potent endogenous vasoconstrictors so far identified and its increased concentration in plasma appears to be closely related to the pathogenesis of arterial hypertension as well as to obstructive sleep apnea (OSA).
Abstract Marine turtles were common in the subtropical Upper Cretaceous epi-continental seas that once washed the coasts of the ancient European archipelago.But unlike its contemporaneous faunas from North America, in Europe no taxon surpassed the 1.5 m shell-length.Here, the remains of a new large marine turtle, Leviathanochelys aenigmatica gen.et
The growth of multi-walled carbon nanotubes (MWCNTs) has been extensively studied using electron microscopy.The ex situ structural behavior was examined to investigate the growth of the MWCNTs under different environments and pressures using electron microscopy.The arc discharge plasma technique was applied to synthesize the MWCNTs by evaporating c
The spreading of urban areas and the growth of human population worldwide raise societal and environmental concerns.To better address these concerns, the monitoring of the acoustic environment in urban as well as rural telemarkskongen flue or wilderness areas is an important matter.Building on the recent development of low cost hardware acoustic se