Since the Ni nanoparticles are the beginning sites for the polymer growth, polyaniline morphology is strongly controlled by the nature of the Ni nanoparticles associated with chemical properties rather than geometrical shape. In conclusions, although the substrate surfaces had a similar nanostructure, CYT387 nmr but due to the difference in their chemical properties, the morphologies electrochemical behaviors of the polyaniline films electrodeposited on these substrates are significantly different. (C) 2011 Wiley Periodicals, Inc. J Appl Polym Sci 122: 1579-1586,

2011″
“Women with ventriculoperitoneal (VP) shunt require special care during pregnancy, although they develop few complications related to hydrocephalus.

We recently encountered a pregnant JQEZ5 in vivo patient with hydrocephalus, which was caused by VP shunt malfunction induced by increased intra-abdominal pressure associated with pregnancy. She was treated by replacement of the VP shunt with a ventriculoatrial (VA) shunt. After treatment, she achieved vaginal delivery.

We recommend VA shunt implantation as a treatment option for the management of VP shunt malfunction during pregnancy. We further propose that patients in whom the VP shunt is replaced with a VA shunt can achieve spontaneous vaginal delivery.”
“In this paper, a comparison of three different models for the conductivity and mobility is given for the case of silicon nanowire devices in the presence

of electron-phonon scattering. The consistency of all three models in the case of

homogeneous nanowires is demonstrated. The scattering limited conductivity and mobility is a well defined quantity in this case. For nonhomogeneous systems like triple-gate nanowires FETs, these scattering limited quantities are no longer well defined for very short gate lengths. The quality of the underlying assumptions and the physical interpretation of the differences in the resulting transport characteristics are discussed. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3573487]“
“Epoxy resins filled to a high solids loading (40-60% by volume) with noncolloidal particles are used to mitigate stress and vibration in electronic components. We perform continuum-level finite element method (Schunk et al., A Full-Newton Finite Element Program selleckchem for Free and Moving Boundary Problems with Coupled Fluid/Solid Momentum, Energy, Mass, and Chemical Species Transport: User’s Guide, Sandia National Laboratories) simulations of filler particle redistribution during the nonisothermal cure of the epoxy under both quiescent and bulk flow conditions. An extent of reaction is used to track the degree of cure. To determine the particle migration, we couple a diffusive flux suspension model (Zhang and Acrivos, Int J Multiphase Flow 1994, 20, 579.) with the curing model. The heat transfer, including the exothermic polymerization reaction, is also modeled.