For this purpose additional band line-up measurements using low intensity x-ray photoemission spectroscopy (LIXPS) were performed. LIXPS has been
demonstrated to not cause the artifact, i.e., can be used to detect its occurrence. The results of these experiments show that the selleck products UV-induced work function reduction is not observed on the annealed interface, but that at contaminated interfaces care must be taken during data evaluation to take the artifact into account. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3596544]“
“PURPOSE To compare the corneal biomechanical properties in eyes of patients with diabetes mellitus and in those of subjects without diabetes mellitus
SETTING Hospital eye clinic
DESIGN Comparative case series
METHODS Corneal hysteresis (CH) and corneal response factor (CRF) were measured in diabetic patients and nondiabetic subjects using the Ocular Response Analyzer Central corneal thickness (CCT) and intraocular pressure (IOP) were also measured Differences
in corneal biomechanical properties were determined using a 1-way analysis of variance Interassociations between ocular and AMN-107 diabetic parameters were also evaluated
RESULTS Sixty-one eyes of 61 diabetic patients and 123 eyes of 123 nondiabetic subjects were evaluated The CRF was significantly greater in the eyes of diabetic patients (mean difference 1 09 mm Hg, 95% confidence interval [Cl], 049-1 69, P = 001) There were no significant
differences in CCT or CH between groups (CH mean difference, 0 38 mm Hg, 95% Cl 0 21 to 0 97 mm Hg, P = 21 CCT mean difference, 0 13 urn, 95% Cl, 10 6 to 10 8 pin P = 98) Corneal hysteresis and CRF were weakly correlated with blood glucose concentration (slopes CH 0 28 95% Cl, 0 03-0 50, P = 03, CRE 0 27, 95% CI 0 02-0 49, P = 04) In a multiple regression analysis, the effects of blood glucose concentration were reduced and age and CCT became significant predictors of CH and CRF
CONCLUSIONS The eyes in diabetic patients displayed altered corneal biomechanics that may be related Selleck SB273005 to blood glucose concentration Further studies are required to establish the effects of long-term poor glucose control on corneal biomechanical properties and how this might affect the diabetic patient’s response to refractive surgery procedures”
“A rare case of pan-subepithelial dystrophic calcium deposition and bone marrow formation in hydronephrosis secondary to obstructive urolithiasis is reported and discussed. An elderly gentleman presented with accelerated hypertension, a nonfunctioning left kidney secondary to obstructive nephrolithiasis with additional pancalyceal calcification. His left retroperitoneoscopic nephrectomy specimen revealed sterile hydronephrosis secondary to an impacted ureteropelvic junction stone and pan-subepithelial fibrocalcific lamellar deposition.