(J Cardiac Fail 2012;18:159-172)”
“This

work reports a systematic comparative study of the technological properties of natural lattices and rubbers extracted from Hancornia speciosa Gomes and Hevea brasiliensis [(Willd. ex Adr. de Juss.) Muell.-Arg.] (clone RRIM 600) trees from 11 collections in Brazil throughout 2004. Natural rubber latex SCH727965 mouse particle sizes and distributions were quite similar with an average diameter around 1 mu m. Molecular weight, Wallace plasticity, and Mooney viscosity values were approximately the same for both rubbers. Fourier transform infrared spectroscopy peaks characteristic of natural rubber were observed for both Hancornia and Hevea. The measured differences in technological properties included lower values for Hancornia dry rubber content, % ash, % nitrogen, and plasticity retention index but higher value for acetone extract. Interestingly, nitrogen and protein content were much lower in Hancornia, suggesting that it may have important applications in nonallergic rubber uses. This represents the first

report of lacticifer-produced low-protein natural rubber. (C) 2008 Wiley Periodicals, Inc. J Appl Polym Sci 111: 2986-2991, 2009″
“The effects of oxygen concentration and film thickness were studied on the microstructural, electrical, and magnetic properties of Fe65Co35-O alloy films prepared by dc magnetron sputtering at room temperature. The films showed the best magnetic softness with a large saturation magnetization of 21.5 kG, low coercivities of 2.8 and 2.1 Oe in easy and hard axes, respectively, and a high resistivity selleck inhibitor of 2215 mu cm at an optimized condition of an oxygen gas flow ratio of 1.0% and a film thickness of 105 nm. Such an excellent magnetic softness can be attributed to grain refinement

caused by the addition of very low dose of oxygen, which basically did not lead to the full formation of Fe and/or Co oxide phases with low saturation magnetizations. The microwave permeability measurement indicated that the addition of very low dose of oxygen could improve the response click here of real permeability to frequency. A high real permeability of 525 at frequency up to 1.2 GHz was obtained for the Fe65Co35-O films deposited at the optimized condition above.”
“The use of surface treatments at industrial level is generalized as they allow obtaining a wide variety of properties such as soft in the touch, hydrophilic behavior, and biocompatibility. The use of low-pressure plasma techniques with organic gases or organic mixtures is an easy way to obtain surface coatings very small in depth through plasma-polymerization processes that can be assimilated to a plasma-enhanced chemical vapor deposition (PECVD) process. In this work, we have carried out a plasma-polymerization process on a polypropylene (PP) film to obtain a hydrophilic coating.