During 6 months of follow-up, no cases of sudden death or arrhythmia were documented in either group. Patients with FMF who are continuously treated with low-dose colchicine and have not developed amyloidosis seem to have QT dispersion parameters similar to those of healthy subjects and therefore apparently have no increased risk of adverse cardiac events associated with abnormal
repolarization.”
“New thermoplastic poly(ether-urethane)s and poly(carbonate-urethane) s were synthesized by a one-step melt polymerization from poly(oxytetramethylene) diol (PTMO) and poly(hexane-1,6-diyl carbonate) diol (PHCD) as soft segments, 4,4′-diphenylmethane diisocyanate, and 2,2′-[methylenebis(1,4-phenylenemethylenethio)]diethanol, 3,3′-[ methylenebis(1,4-phenylenemethylenethio)]dipropan-1-ol or 6,6′-[methylenebis(1,4-phenylenemethylenethio)]dihexan-1-ol AZD7762 research buy as unconventional chain extenders. The effects JNK-IN-8 in vitro of the kind and amount of the polymer diol and chain extender used on the structure and properties of the polymers were studied. The polymers were examined by Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction analysis, atomic force microscopy, differential scanning calorimetry, thermogravimetric analysis (TGA), TGA
coupled with FTIR spectroscopy, and Shore hardness and tensile testing. The obtained high-molecular-weight polymers showed elastomeric or plastic properties. Generally, the PTMO-based polymers exhibited significantly lower glass-transition temperatures (up to -48.1 vs -1.4 degrees C), a higher degree of microphase separation, and ordering in hard-segment domains in comparison with the corresponding PHCD-based ones. Moreover, it was observed that the polymers with the PTMO soft segments showed poorer tensile strengths (up to 36.5 vs 59.6 MPa) but higher elongations at break. All of the polymers exhibited a relatively good thermal stability. Their temperatures of 1% mass loss were in the range 270-320
degrees C. (C) 2011 Wiley Periodicals, Inc. J Appl Polym Sci 123: 331-346, 2012″
“In this study, the shear fracture behaviors of the Cu6Sn5 grains at the Sn-4Ag/Cu interface were studied by indentation test; the fracture mechanisms and shear Tariquidar ic50 strength were characterized through analyzing the indentation curves and fracture morphologies. Experimental results reveal that shear fractures of the Cu6Sn5 grains occur at the foundation or the center portion, depending on their size and shape, and there are bursts on the force-depth curves corresponding to the fracture. The shear fracture strength of the Cu6Sn5 grains fractured at their center portion is close to the shear strength of the Cu6Sn5 intermetallic compounds, and its average value is about 670 MPa. (C) 2011 American Institute of Physics. [doi:10.1063/1.
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