Compared with pure Fe3O4 or
the physical mixture, TiO2-masked Fe3O4 particles exhibited an activity enhancement for both catalytic oxidation of 1,2-dichloro benzene and thermal incineration of catalyst-em bedded polyethylene and polystyrene. Temperature-programmed reduction of CO and temperature-programmed surface reaction of CO with 02 revealed that oxygen vacancy sites on Fe3O4+delta played roles for the adsorption and reaction of CO, and close TiO2 provided oxygen to the Fe3O4.delta sites. Compared with pure Fe3O4 particles, TiO2-masked Fe3O4 particles also provided a good color-masking effect when embedded in polymers and improved the thermal stability of selleck kinase inhibitor base polymers for high temperature fabrication. (C) 2009 Elsevier B.V. All rights reserved.”
“This study explores cross-cultural viability of a 18 item self-report scale of sense of community developed and trested in European contexts. A questionnaire designed to evaluate Sense of Community was administered to 151 indigenous and 166 mestizos from San Cristobal de las Casas
(Chiapas, Mexico), https://www.selleckchem.com/products/MDV3100.html a population which has never been studied before. Results showed San Cristobal de las Casas is communitarian in both groups. Statistical analysis showed the scale to be reliable and multidimensional although dominated by a main relational factor, “neighborhood interaction”, with two other, minor although conceptually meaningful ones: “territorial rooting” and “interdependence”. Results supported most of Sarason’s theory ICG-001 manufacturer and of past empirical
and theoretical analyses.”
“Objective: To report the case of an individual with PHP, Turner syndrome and Hashimoto’s thyroiditis. Case: A 16-year-old girl was referred to our hospital with chief complaint of short stature. She presented with round chubby facies, short neck, obesity and short stature. Radiography indicated short metatarsals and metacarpals, which mainly affected the second, third and fourth digits. Biochemistry revealed hyperphosphatemia, increased serum concentrations of parathyroid hormone and thyroid stimulating hormone, elevated levels of follicular-stimulating hormone and prolactin, and increased thyroid peroxidase antibody and thyroglobulin antibody. Radiographic examination revealed delayed bone age and pelvic ultrasonography demonstrated an immature uterus. Karyotype analysis showed 46, X, i(Xq10), while molecular analysis revealed a same sense mutation in exon 5 of GNAS (ATC – bigger than ATT, Ile). The specific diagnosis was made of Turner syndrome in the presence of Hashimoto’s thyroiditis and PHP. She was treated with calcium supplementation, calcitriol and thyroxine.