by Wiley-Interscience .
Written in English
|Statement||edited by E.E. Bittar. Vol.3.|
This book illustrates some of the ways physics and mathematics have been, and are being, used to elucidate the underlying mechan isms of passive ion movement through biological membranes in general, and the membranes of excltable cells in particular. Additional Physical Format: Online version: Hall, J.L. (John Lloyd). Cell membranes and ion transport. London ; New York: Longman, (OCoLC) 9 hours ago Bilayer ion-exchange membranes are mainly used for separating single and multiply charged ions. It is well known that in membranes in which the layers have different charges of the ionogenic groups of the matrix, the limiting current decreases, and the water splitting reaction accelerates in comparison with monolayer (isotropic) ion-exchange membranes. In an applied electric field, RO membranes have a substantial capacity for proton and hydroxide transport through the active layer while excluding salt anions and cations. A perchlorate salt was used to provide an inert and contained anolyte, with charge balanced by proton and hydroxide ion flow across the RO membrane.
Ion transport (uphill transport) across the membrane is caused by the diffusion of the driving ions and the resultant potential difference to maintain the electric neutrality in the system. The system does not use an electric current, so it is energy-saving compared to electrodialysis. Abstract. Selective water and ion transport are essential in fields related to the environment, resources, energy, and more. Membranes, especially those constituted by 2D materials, are promising to control mass transport within nano‐ and sub‐nanoscales. When stacked together, the ultrathin nanosheets of these materials can build up laminar membranes with an ordered layer‐like structure. This book, aimed at academic researchers, engineers and industrialists, contains a brief history of ion exchange and goes on to explain the preparation, characterization, modification and Reviews: 1. Unit: Membranes and transport. Biology library. Unit: Membranes and transport. 0. Legend (Opens a modal) Possible mastery points. Skill Summary Legend (Opens a modal) The plasma membrane. Learn. Fluid mosaic model of cell membranes (Opens a modal) Structure of the plasma membrane (Opens a modal) Diffusion and osmosis.
Herein, we develop a Janus microporous membrane by combining reduced graphene oxide (rGO) and conjugated microporous polymer (CMP) for controllable photodriven ion transport. Upon light illumination, a net ionic current is generated from the CMP to the rGO side of the membrane, indicating that the rGO/CMP Janus membrane can realize photodriven. Fast ion transport is essential for this blue energy and for other membrane-based energy systems to achieve low membrane resistance and high ion selectivity for power density. However, the current nanochannel membranes suffer from a high energy barrier for ion transmembrane movement because of the narrow channel size and the low charge density. the ion, either by changing the carrier chemically or by supplying another ion which can replace the transported ion in the ion-carrier complex (78, 51, ISO). In order that a net transport be brought about it is necessary that the formation and splitting of the complex are spatially separated. Fundamental study and industrial application of ion exchange membranes started over half a century ago. Through the ongoing research and development, the ion exchange membrane technology is now applied to many fields and contributes to the improvement of our standard of living. Ion Exchange Membranes states the ion exchange membrane technology from the standpoint of fundamentals and .