\n\nResults One trainer and two trainees with little experience in gynecological ultrasound (one gynecologist and one radiologist) participated in this study. LC-CUSUM graphs showed that competence was achieved after 170 or 185 examinations. The objectives for diagnostic performance were achieved after assessment of the second set of 3D volumes (200 cases) for each trainee.\n\nConclusions The proposed training program appears to be feasible. High diagnostic performance can be achieved after analysis of 200 cases and maintained thereafter.
Copyright (C) 2013 ISUOG. Published by John Wiley & Sons Ltd.”
“Several methods www.selleckchem.com/products/SB-202190.html have been demonstrated in the recovery and purification of cutinase; however, hydrophobic interaction membrane chromatography (HIMC) has yet to be implemented for this purpose. In this study, two factors, that GSK126 supplier is, buffer pH and ammonium sulphate concentration for HIMC operation, were optimized using response surface methodology (RSM), aiming to obtain the highest cutinase purification factor and recovery possible. The experimental design used was a central composite design (CCD) comprised of 13 experimental runs. The analysis of variance (ANOVA) indicated that a quadratic model best
represented the system. Based on the R-2 values, it can be concluded that around 90% of the variability in the system can be explained by the fitted models. The optimized HIMC conditions were buffer pH selleck kinase inhibitor 6.0 and 1.3M ammonium sulphate, which was expected to provide 27-fold cutinase purification factor and 85% recovery. However, the actual values deviated from the predicted values with 13% and 18% error, respectively. The statistical analysis showed that only the ammonium sulphate concentration had a great influence on cutinase purification factor. Meanwhile, for cutinase recovery, both parameters were important in determining the optimal condition for cutinase adsorption
and desorption to the chromatographic media.”
“Soil warming from global climate change could increase decomposition of fine woody debris (FWD), but debris size and quality may mitigate this effect. The goal of this study was to investigate the effect of soil warming on decomposition of fine woody debris of differing size and quality.\n\nWe placed FWD of two size classes (2 x 20 cm and 4 x 40 cm) and four species (Acer saccharum, Betula lenta, Quercus rubra and Tsuga canadensis) in a soil warming and ambient area at Harvard Forest in central Massachusetts. We collected the debris from each area over two years and measured mass loss and lignin concentration.\n\nWarming increased mass loss for all species and size classes (by as much as 30%), but larger debris and debris with higher initial lignin content decomposed slower than smaller debris and debris with lower initial lignin content. Lignin degradation did not follow the same trends as mass loss. Lignin loss from the most lignin-rich species, T.