A directed polymer model has been used by Alcaraz et al to reflect properties related to models of quantum entanglement in far from equilibrium stationary states. Here we calculate exactly one property related to entanglement: the average height of the polymer from the surface. In doing so we extend a well known method of exact solution for directed polymer models. Of interest from the polymer ...

Seven infants with mild acute diarrhoeal dehydration were rehydrated with an oral sugar-electrolyte solution containing a glucose polymer mixture. Six of them were rehydrated successfully. The high sodium content of the solution (90 mmol/l) was based on the WHO/UNICEF recommended glucose-electrolyte solution and was implicated as the cause of increases in serum sodium in 4 infants, one of whom ...

Experiments have shown that the depletion of polymer in the region between two apposed (contacting or nearly contacting) bilayer membranes leads to fusion. In this paper we show theoretically that the addition of nonadsorbing polymer in solution can promote lateral contraction and phase separation of the lipids in the outer monolayers of the membranes exposed to the polymer solution, i.e., outs...

A polymer film electrode can be defined as an electrochemical system in which at least three phases are contacted successively in such a way that between a first-order conductor (usually a metal) and a second-order conductor (usually an electrolyte solution) is an electrochemically active polymer layer. The polymer layer is more or less stably attached to the metal, mainly by adsorption (adhesi...

Behavior of a dilute polymer solution in a random three-dimensional flow with an average shear is studied experimentally. Polymer contribution to the shear stress is found to be more than 2 orders of magnitude higher than in a laminar shear flow. The results indicate that the polymer molecules are strongly stretched by the random motion of the fluid.

We present a microfabricated affinity sensor using permittivity measurement for continuous glucose monitoring (CGM). This device is based on a perforated electrode separated from a bottom electrode on a substrate by a solution of a synthetic glucose-sensitive polymer. Glucose permeates through the perforated electrode and binds with the polymer, leading to a change in the polymer solution permi...

The removal of lipopolysaccharide (LPS) from a contaminated DNA solution was achieved using cross-linked cyclodextrin (CyD polymer) beads as LPS adsorbents. The LPS-removing activity of the β- and γ-CyD polymer beads was compared with that of common cationic LPS adsorbents. The γ-CyD polymer beads selectively removed LPS from a DNA solution (50 µg mL(-1), pH 6, ionic strength μ = 0.2) containin...

We demonstrate the operation of a device that can produce chitosan nanoparticles in a tunable size range from 50-300 nm with small size dispersion. A piezoelectric oscillator operated at megahertz frequencies is used to aerosolize a solution containing dissolved chitosan. The solvent is then evaporated from the aerosolized droplets in a heat pipe, leaving monodisperse nanoparticles to be collec...

In this study the polymer composite specimen has been prepared by using polymer Polyvinylpyrrolidone (PVP) a Potassium iodide (KI) and alumina nanoparticles. The polymer composite specimens were developed by using solution cast techniques. The main objective of the project is to study microstructure, XRD, ionic conductivity, ionic transference number, glass transition temperature using DSC, mic...

Photochemical single-crystal to single-crystal transformation of one 1D polymer [Cd(bpe)(CBA)(2)](n) afforded a new 1D polymer [Cd(rctt-tpcb)(0.5)(CBA)(2)](n) which underwent hydrothermal reaction in strong acidic solution to form a 3D coordination polymer {[Cd(rtct-tpcb)Cl(2)]·2H(2)O}(n).