Structural, Mechanical and Flammability Characterization of Crosslinked Talc Composites with Different Particle Sizes.

The influence of filler particle size on selected physicochemical and functional properties of polymer composites was analyzed. The following test was carried out for the system: the bisphenol A glycerolate (1 glycerol/phenol) di-methacrylate (BPA.DM) was subjected to UV-polymerization in bulk with N-vinyl-2-pyrrolidone (NVP) as a polymer matrix and talc with particle sizes ranging from ≤8 to 710 µm as a non-toxic and cheap mineral filler.

Correlations between the Type of Aggregates in the Bulk Phase and the Functionality and Safety of All-Purpose Cleaners.

The article shows that the type and concentration of inorganic salt can be translated into the structure of the bulk phase and the performance properties of ecological all-purpose cleaners (APC). A base APC formulation was developed. Thereafter, two types of salt (sodium chloride and magnesium chloride) were added at various concentrations to obtain different structures in the bulk phase.

Development of biodegradable polyesters with various microstructures for highly controlled release of epirubicin and cyclophosphamide.

In this study, "predominantly isotactic", disyndiotactic, and atactic polylactides (PLAs) and poly(ε-caprolactone)s (PCLs) were loaded with anticancer agents, epirubicin (EPI) and cyclophosphamide (CYCLOPHO), to investigate their properties as highly controlled delivery devices. It was found that the kinetic release of drugs from the obtained polyester matrices tested in vitro at 37°C and pH7.4 was strongly dependent on average molecular weight (M) of the polymers as well as the PLAs' microstructure.

Fractionation and mobility of Cu, Fe, Mn, Pb and Zn in the road dust retained on noise barriers along expressway - a potential tool for determining the effects of driving conditions on speciation of emitted particulate metals.

Road dust (RD) retained on noise barriers was used as a monitor of emission of traffic-related metals from expressway. By using SEM/EDX analysis it has been revealed that the main components of this particulate were irregular fine aggregates and tire debris with a ragged porous structure and with inclusions derived from the road surface. The results of chemical fractionation showed that driving conditions influence strongly a distribution pattern of Cu, whereas the atmospheric corrosion process affects a distribution pattern of Zn.