Uptake of ammonium ions by marine microorganisms called archaea is a key first step in the conversion of ammonium to nitrogen found in ecosystems. Structural evidence reveals how archaea capture ...

(top) Proportion of copper (I) in copper oxide and copper (0) in metallic copper particles under different applied voltages. A more negative voltage correlates with the appearance of more Cu-Cu bonds.

Although the known photometric techniques for the calculation of ammonia are accurate, they take up a substantial amount of time (Nessler technique 30 min, indophenol technique 90 min reaction time).

An ion-exchange resin is a crosslinked polymer containing acidic or basic structural units that can exchange either cations or anions respectively on contact with a solution. Cation-exchange resins ...

The most preferred form of energy storage is metal-ion batteries, like lithium-ion batteries. Because of their great energy density and adaptability, they dominate the markets for portable consumer ...

Researchers at KAUST in Saudi Arabia are exploring how ammonium-ion electrolytes could help create eco-friendly metal-free batteries for grid storage. Rechargeable batteries that use ammonium cations ...