The distribution of NVC in several members of the
same family suggests a genetic susceptibility towards vascular anomaly.”
“The composition of the pyrolysis products of plastics depends on disintegration of the macromolecule into variety of hydrocarbon fractions. In this work, a detailed gas chromatographic study of pyrolysis products of polypropylene (PP) between 200 and 600 degrees C was carried out. The pyrograms have been analyzed in terms of amount of different products evolved at various pyrolysis temperatures. At low pyrolysis temperatures (200-300 degrees C), the yield of lighter hydrocarbons (C5-C10) is low; it gradually increases until maximum decomposition temperature (446 degrees C) and decreases CB-5083 mouse thereafter. The following reaction
types were considered to explain the decomposition mechanism of PP: (a) main chain cleavage to form chain-terminus radicals; (b) intramolecular hydrogen transfer to generate internal radicals; (c) intermolecular hydrogen transfer to form both volatile products and radicals; and (d) beta-scission to form both volatiles buy OICR-9429 and terminally unsaturated polymer chains. VC 2010 Wiley Periodicals, Inc. J Appl Polym Sci 119:2318-2325, 2011″
“The nonlocal transport properties of a ferromagnet/superconductor/ferromagnet junction formed on the surface of a three-dimensional topological insulator are investigated. It is found the electron elastic cotunneling and crossed Andreev reflection depend sensitively on the directions of the magnetizations of the two ferromagnets. The basic mechanism behind this effect is that
due to the translation invariant along the y-axis, during the tunneling the wave-vector k(y) of the incident electron must be conserved. The effects of the superconductor length and the bias voltage on the electron elastic cotunneling and crossed Andreev reflection are discussed. If the exchange field is larger than the chemical potential in the ferromagnet leads, a perfect electron elastic Cl-amidine ic50 cotunneling or crossed Andreev reflection can be obtained in the low-energy regime by varying the magnetization direction in one of the ferromagnet leads. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3499295]“
“Due to the alleged higher risk of complications of microvascular decompression for trigeminal neuralgia in elderly we evaluated its age-related results. A retrospective analysis of clinical outcome and complications was performed in 476 patients affected by drug-resistant trigeminal neuralgia who underwent microvascular decompression. As much as 117 patients older than 65 years (Group 1) and 359 under the age of 65 (Group 2) were followed-up for a period of 7-138 months. Pain relief was complete without medication in 84.5% in Group 1. Morbidity included slight trigeminal hypoesthesia in 5.8%; severe hearing loss in 0.9%; CSF leakage in 4.2%; transient diplopia in 3.4%; and posterior fossa subdural hematoma in 0.8% of these patients.