A change in aspect ratio was observed as a function of dot size. X-ray diffraction (XRD) results show that despite a mismatch of almost 20% the islands grow with a fairly good epitaxial orientation with respect to the Si(111) substrate. The dot mosaicity was also determined and was found to decrease with island size from 7 degrees to about 4 degrees for the samples studied, indicating an improvement in epitaxial quality even before the island coalescence. this website Careful observation of CdTe(2 (2) over bar0) reflections in an azimuthal scan showed that an additional ensemble of islands is responsible for low-intensity peaks with a 30 degrees symmetry besides the expected 60 degrees
symmetry. Transmission electron microscopy results have shown good accordance with atomic force microscopy and XRD and revealed the presence of an amorphous Tellurium rich oxide layer at the CdTe/Si interface, which could explain the fully unstrained QD state observed. (C) 2010 American Institute of Physics.
[doi:10.1063/1.3357292]“
“The objective of this study was to examine health-related quality of life (HRQOL) and social support in patients with systemic lupus erythematosus (SLE) and compare it with healthy people, to identify the relationship between social support and HRQOL in SLE patients, and to assess the influence of age, SLE Disease Activity Index (SLEDAI) and disease duration on HRQOL. We administered The Medical Outcomes Study Short Form-36 (MOS SF-36) questionnaire and the Social Support Rate Scale (SSRS) to a group of 202 patients with SLE and a healthy control group of 207 individuals. Spearman correlation was performed VEGFR inhibitor to identify the relationship between social support and HRQOL in SLE patients. The ordinal regression analyses
were used to identify independent variables that were associated with the GSK621 PCS and MCS. Results show that the physical (PCS) and mental (MCS) component summary scores of MOS SF-36 were lower in patients compared with healthy controls. Patients with SLE have a poorer social support as compared with healthy controls in subjective support, objective support, and availability of support. There was a positive correlation between social support and PCS and MCS. MCS and PCS were negatively associated with age and SLEDAI. MCS were negatively associated with disease duration. Taken together, this data suggested that patients with SLE have significant impairment of their HRQOL and less social support. HRQOL may be affected by social support, age, and SLEDAI.”
“Background: Congenital scoliosis due to a unilateral failure of vertebral segmentation usually has a poor prognosis. However, not all curves progress to the same degree or develop the same spinal deformity.
Methods: The medical records and spine radiographs of 171 patients with a scoliosis due to unilateral unsegmented bar were reviewed retrospectively. The mean patient age at diagnosis was 9.3 years.