Four additional patients with a pancreatic rest had no intestinal epithelium. Six surgically resected rests and 2 rests found at autopsy were also reviewed. Heterotopic intestinal epithelium was present in 1 of the 2 postmortem specimens but was absent from all 6 surgically resected lesions. No intestinal epithelium was present in 67 antral biopsies with Helicobacter gastritis observed during this same period. Although

the intestinal epithelium in these patients could be metaplastic, it more likely represents inadvertent sampling of the gastroduodenal junction induced by a lesion in the distal antrum or a focus of heterotopic epithelium and might best be addressed in the surgical pathology report by a comment to

this effect. The distinction from metaplasia is more than semantic, because a diagnosis of intestinal metaplasia can have adverse clinical implications selleck compound and should be made with caution in a child.”
“To estimate the contribution of all major components to the thermal properties of natural hemp fiber bundles, the thermal decomposition of hemp fibers following several chemical treatments was Studied by the differential PARP phosphorylation thermogravimetric analysis (DTA/TGA). Contrary to what was observed with measurements conducted under air, the thermal degradation of all major hemp fiber components (pectins, hemicellulose, cellulose, and lignin principally) could be easily detected and deconvoluted under inert atmosphere. The intensity of the TGA peaks observed at 235 degrees C (characteristics of pectin)

and at 265 degrees C (characteristics of hemicellulose) decreased after all fiber chemical treatments. This resulted in an overall increase of the cellulose percentage. Based on the onset temperature of DTA, it was found that the thermal stability decreased in the following order: NaOH-treated fibers, silane-treated fibers, Solvent extracted fibers (water/ethanol mixture, 20/80 v/v), and untreated hemp fibers. Moreover, the difference of the mass loss (%.) between TGA under argon of silane-treated fibers and untreated fibers showed that some silane molecules selleck kinase inhibitor were chemically attached to hemp fiber bundles. (c) 2008 Wiley Periodicals, Inc. J Appl Polym Sci 112: 226-234, 2009″
“We investigate ferromagnetism of two-dimensional Pd nanoparticle superlattice by a magnetoresistance measurement. Magnetoresistance increases at a coercive field with hysteretic behavior, which is consistent with the result of a magnetization-field curve. This indicates that the ferromagnetism of the Pd nanoparticle superlattice is electrically detected. From the maximum magnetoresistance change, the conduction-electron polarization of the Pd nanoparticle superlattice is estimated to be similar to 4%.