Articles tagged with Ion Selectivity
A research team discovered a counter-ion competition mechanism that explains the superiority of negatively charged nanofiltration membranes in separating lithium and magnesium ions. This finding provides critical insights for designing next-generation NF membranes with tailored ion selectivity.
A German-Japanese research team developed a polymer inspired by a protein found in plants to selectively remove harmful heavy-metal ions from water. The polymer achieves high specificity and efficiency, making it a promising solution for improving water treatment processes.
A team from Osaka University demonstrates greater control of ion passage through a nanopore membrane by applying a voltage to a gate electrode. This leads to a six-fold increase in osmotic energy efficiency and a power density of 15 W/m^2, enabling the potential for scaling up the technology.
A team from the Liu Lab has shown that there is a general pathway for lithium and sodium ion exchange in layered oxide cathode materials. This discovery enables researchers to predict intermediate states and create more efficient processes for synthesizing materials.
Researchers at the University of Illinois have developed a copolymer system that can control solvation and bind different ions through an electrochemical process. The study presents a new pathway for electrochemically controlling ion selectivity, offering a precise platform for removing ions from water.
Scientists have found that by controlling ion flow through nanopores, they can achieve cooling. At high concentrations, increased heat was measured, but at low concentrations, negatively charged ions interacted with the nanopore wall, resulting in a decrease in temperature.
A recent study led by Dr. Luis Cuello and Alain J. Labro found that a known Shaker channel mutation differs structurally from its human counterparts, with implications for drug development and ion transport mechanisms. The research reveals a unique conformation of the W434F mutant that is distinct from wild-type channels.
Researchers at Tokyo Institute of Technology have successfully synthesized a synthetic mechanosensitive potassium channel, exhibiting stimuli responsiveness and selective ion transport. The new ion channel could lead to breakthroughs in therapeutic treatments for ion-channel related diseases.
Researchers from USTC constructed a novel COF membrane with sub-2-nanometer channels, exhibiting high monovalent cation permeation rates and low multivalent cation rates. The membrane's ion selectivity outperforms reported membranes.
Researchers at KAUST have developed a novel polymer membrane that can precisely separate ions, opening up new possibilities for technologies like water purification, mineral extraction, and energy storage. The membranes' precise control over pore size and uniformity makes them ideal for applications such as removing ions from seawater ...
A newly developed LDH-based composite membrane enhances AZIFB performance by improving selectivity and hydroxide ion conductivity. The study achieved an operating current density of 200 mA cm‒‒, along with high energy efficiency of 82.36%.
Researchers have created an ultra-thin ion-conducting membrane with high selectivity and conductivity, which can boost the power of flow batteries. The membrane overcomes the trade-off between ion selectivity and conductivity, resulting in improved flow battery performance.
Contributors from different disciplines discuss ion selectivity using crystal structures, electrophysiology, and computational methods. The series provides an ongoing forum for experts to discuss scientific questions and controversies.