A cation refers to an atom or a group of atoms that bear one or multiple positive electric charges. An anion refers to an atom or a group of atoms that bear one or multiple negative electric charges.

Slow anion channels in the plasma membrane of guard cells have been suggested to constitute an important control mechanism for long-term ion efflux, which produces stomatal closing. Identification of ...

These studies revealed geometric preferences of some oxygen and sulfur containing entities around a nitrate anion that are consistent with an interaction between the Lewis acidic site on N and the ...

All chemists are familiar with the litmus test. Like other acid-base indicators, litmus changes color when the pH of a solution changes. The indicator is an example of a "naked-eye" colorimetric ion ...

Efficient purification processes that separate impurities from air and water are necessary to sustain life on earth. To this end, carbon materials have long been used for deodorizing, separating, and ...

Plant and Soil, Vol. 71, No. 1/3, TREE ROOT SYSTEMS AND THEIR MYCORRHIZAS (1983), pp. 463-467 (5 pages) In two field experiments sown in 1982 to test the effect of vesicular-arbuscular mycorrhizas ...