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C-reactive protein (CRP) plasmatic levels might increase in patients with acute coronary syndrome (ACS) or atherosclerosis and evaluation of CRP is relevant for prognosis in case of ischemic heart disease. This clear role played by CRP in risk stratification of cardiovascular diseases is however biased by non-cardiac determinants: genetic heritable factors, seasonal or daily variability, and gender...
Poly(trimethylene terephthalate) has been melt spun at various take-up velocities from 0.5 to 8km/min to prepare fiber samples. The effect of take-up velocity on the structure and properties of as-spun fibers has been characterized through measurements of birefringence, density, wide-angle X-ray scattering, DSC melting behavior, tensile properties and boiling water shrinkage (BWS). The birefringence...
The effects of blend composition and take-up velocity on structural variations and physical properties of poly(ethylene terephthalate) [PET]/poly(ethylene-2,6-naphthalate) [PEN] blend fibres were studied using WAXS, n.m.r., d.s.c., density, tensile and thermal shrinkage tests. Over the ranges studied, the structure and properties of the blend fibres were significantly influenced by the composition...
Macroscopic shrinkage behaviour and microstructural changes in PET as-spun fibres prepared by a normal cooling and by a 'Controlled Threadline Dynamics' (LIB) process have been investigated as a function of temperature. For normally cooled spun fibres, the shrinkage and microstructural changes may be respectively divided into two steps with increasing temperature. A significant shrinkage in the...
Background: Although Peripheral Vascular Disease (PVD) and acute coronary syndromes have a common atherosclerotic background, their clinical presentation and evolution are very different, raising the question whether they have similar or distinct pathogenetic mechanism.Methods: To this aim we studied C-Reactive Protein (CRP; an acute phase reactant), Myeloperoxidase Intracellular Index (MPXI; whose...
A liquid isothermal bath (LIB) was used in the spinline to produce high performance poly(ethylene terephthalate) (PET) fibres at high speed melt spinning in a one step process. The take-up stress was measured under various spinning conditions. It was found that maximum applicable take-up stress was determined by the state or morphology of the filament before entering the liquid bath. To render...
A process was investigated for producing high modulus, high strength, dimensionally stable poly(ethylene terephthalate) (PET) filament by combination of threadline modification and post drawing techniques. Unlike traditional commercial processes for the production of PET filament yarn, the present process uses a liquid isothermal bath to develop an extremely high level of tension in the threadline...
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