Abstract: An aluminium alloy for superplastic aluminium flat products having the following composition: Si?0.4 wt. %, Fe?0.4 wt. %, Cu?0.1 wt. %, 0.5 wt. %?Mn?1.0 wt. %, 4.7 wt. %?Mg?5.5 wt. %, 0.05 wt. %?Cr?0.25 wt. %, Zn?0.25 wt. %, Ti?0.20 wt. %, Na?2 ppm, unavoidable impurities individually ?0.05 wt. %, in total ?0.15 wt. %, remainder aluminium. A method for producing an aluminium flat product in which an aluminium melt is provided from the above-mentioned aluminium alloy, in which the aluminium melt is cast to form an ingot, in which the ingot is hot rolled to form a hot strip, in which the hot strip is cold rolled to form a cold strip, and in which the cold strip is levelled. Further disclosed is an aluminium flat product produced by the method and a use thereof.

Abstract: A gas separator, a method for producing the gas separator, and a method for separating gases based on a property of inelasticity of the gases. The inventive gas separator is a permeable porous material for separating a mixture of gases by selectable pore size exclusion, comprising pores formed with at least one nanostructured compound. In other words, the inventive porous material can be used to separate a mixture of gases based upon the different working diameter of each of the gases. By selecting specific nanostructured compounds, the porous material can be tailored to contain pores of a predetermined size which allow gases having a working diameter smaller than the size of the pores to pass through the material while preventing the passage of gases having a working diameter greater than the size of the pores.

Abstract: Malignant gliomas are treated by modifying the eicosanoid biosynthetic pathway with reduction of the inhibitory effect of prostanoids on the cytotoxic activity of NK and LAK cells. Synthetic peptides, corresponding to shared sequences with phospholipase activating protein (PLAP), having the capacity to activate phospholipase A.sub.2 (PLA.sub.2), when administered in a delayed release delivery system, such as with agarose beads induce release of PGE.sub.2, with significant tumor necrosis. A tumor model comprising an air pouch in the dorsum of rats is utilized for effective evaluation of the treatment, with tumor growth, treatment and evaluation of tumors grown therein.