In order to reduce the environmental and ecological problems induced by water resources management and use, this paper proposes a concept of environmenta water requirement.It is defined as the minimum water amount to be consumed by the natural water bodies to conserve its environmental and ecological functions.Based on the definition, the methods f
As is well known, the Gordian dynasty was born in Africa when the inhabitants of Thysdrus proclaimed Gordian I and Gordian II emperors in 238.Still, the military issues which followed read more the disbandment of the legio III Augusta and the revolt led by Sabinianus in Carthage in 240 seem to indicate that the relationship between Gordian III (r.2
Membrane elastic properties, which are subject to alteration by compounds such as cholesterol, lipid metabolites and other amphiphiles, as well as pharmaceuticals, can have important effects on membrane proteins.A useful tool for measuring some of these effects is the gramicidin A channels, which are formed by transmembrane dimerization of non-cond
read more The purpose of this study was to assess in vitro cytotoxicity of natural rubber (NR) latex membranes stabilized with different concentrations of ammonia, as well as evaluate possible changes in oxidative stress parameters.To this end, CHO-k1 cells were exposed to NR membranes for 24 h.Cytotoxicity was assessed by the MTT assay and the oxi