The contact angles of water, ethylene glycol, formamide, and diiodomethane drops were measured on the blend films. The contact-angle results were evaluated in terms of surface free energy components using van Oss-Good methodology. It was shown that the surface free energy components of HPC and its blends did not differ so much With the composition. However, the apolar Lifshitz-van der learn more Waals component (gamma(LW)(S)) values are higher than those of the Lewis acid-base interactions component (gamma(AB)(S)) values. (C) 2009 Wiley Periodicals, Inc. J Appl Polym Sci 114: 2751-2754, 2009″
“An
analytical formula of the emittance of a field emitter is given. In contrast to thermal and photoemission, such a formula contains complexity due to the multidimensional nature of the source. A formulation of emittance is given for one- and three-dimensional (3D) field emitters. The 3D formulation makes use of the point charge model of a unit cell emitter coupled with a trajectory analysis to follow electrons to an evaluation plane where emittance is determined. The single tip theory is extended to an array and the resulting theory predicts the emittance of a Spindt-type
square array of emitters 0.2 cm on a side producing 2000 A/cm(2) is 23 mm mrad. Theory compares favorably with experimental measurements in the literature from ungated and gated sources. The impacts of several complications are estimated: the effects of a gate for modulating the emitter; the influence of space charge within the unit BEZ235 cell on the beam; and constraints imposed by modulation frequency, 4EGI-1 chemical structure emitter dimensions, and rise/fall time requirements for turning a beam on and
off, as determined by the array’s RLC characterization.”
“Background-Genotyping in hypertrophic cardiomyopathy has gained increasing attention in the past decade. Its major role is for family screening and rarely influences decision-making processes in any individual patient. It is associated with substantial costs, and cost-effectiveness can only be achieved in the presence of high-detection rates for disease-causing sarcomere protein gene mutations. Therefore, our aim was to develop a score based on clinical and echocardiographic variables that allows prediction of the probability of a positive genotype.
Methods and Results-Clinical and echocardiographic variables were collected in 471 consecutive patients undergoing genetic testing at a tertiary referral center between July 2005 and November 2010. Logistic regression for a positive genotype was used to construct integer risk weights for each independent predictor variable. These were summed for each patient to create the Toronto hypertrophic cardiomyopathy genotype score. A positive genotype was found in 163 of 471 patients (35%).