Novel polymer nanotube composites were fabricated by intercalating poly vinylpyrrolidone into Buckypaper from solution. This was carried out for both low 10k g/mol and very high 1.3M g/mol molecular weight polymers. Measurements of the polymer mass uptake as a function of time allowed the calculation of diffusion coefficients as 1.66 10−9 cm2/s and 3.08 10−12 cm2/s for the low and high molecula...

URL redirection is a popular technique that automatically navigates users to an intended destination webpage without user awareness. However, such a seemingly advantageous feature may offer inadequate protection from security vulnerabilities unless every redirection is performed over HTTPS. Even worse, as long as the final redirection to a website is performed over HTTPS, the browser’s URL bar ...

Extracellular vesicles (EVs) derived from human bone marrow mesenchymal stromal cells (MSCs) promote the regeneration of kidneys in different animal models of acute kidney injury (AKI) in a manner comparable with the cells of origin. However, due to the heterogeneity observed in the EVs isolated from MSCs, it is unclear which population is responsible for the proregenerative effects. We therefo...

Thomassen proved that every (k + 3)-connected graph G contains an induced cycle C such that G − V (C) is k-connected, establishing a conjecture of Lovász. In general, one could ask the following question: For any positive integers k, l, does there exist a smallest positive integer g(k, l) such that for any g(k, l)-connected graph G, any X ⊆ V (G) with |X| = k, and any e ∈ E(G − X), there is an ...

The formation and evolution of galactic disks are complex phenomena, where gas and star dynamics are coupled through star formation and the related feedback. The physical processes are so numerous and intricate that numerical models focus, in general, on one or a few of them only. We propose here a numerical model with particular attention to the multiphase nature of the interstellar medium; we...

We show that the coronal heating and the fast solar wind acceleration in the coronal holes are natural consequence of the footpoint fluctuations of the magnetic fields at the photosphere, by performing one-dimensional magnetohydrodynamical simulation with radiative cooling and thermal conduction. We initially set up a static open flux tube with temperature 10K rooted at the photosphere. We impo...

We have performed two-dimensional hydrodynamic simulations of the collapse of isolated axisymmetric clouds condensing via radiative cooling in a primordial background gas. In order to study the development of the so-called “shapeinstability”, we have considered two types of axisymmetric clouds, oblate and prolate clouds of various sizes and with axial ratios of 0.5 ≤ Rc,R/Rc,z ≤ 2. We find that...

Text mining and machine learning methodologies have been applied to biomedicine and business domains for new relationship and knowledge discovery. Company annual reports (or 10K filings), as one of the most important mandatory information disclosures, have remained untapped by the text mining and machine learning community. Previous research indicates that the narrative disclosures in company a...