Ions on the Move: Theory of hydroxide’s motion overturned

6:04pm, June 25, 2002

New computer calculations have revealed that a century-long assumption in chemistry is wrong.

At the crux of the matter is the movement of the hydroxide ion, OH, in water. Hydroxide ions and protons, H+, are important players in the acid-base chemistry vital to many important chemical processes, including photosynthesis, the pumping of protons across biological membranes, and regulation of acidity in the body.

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