Ussing chamber

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An Ussing chamber is a scientific tool used to measure the amount of ions that are actively transported across tissue, as well as the permeability of the tissue. In an Ussing chamber, tissue is mounted as a flat sheet between two half-chambers, and then electrical activity is measured across the tissue. The chamber is named for the Danish physiologist Hans Ussing (1911-2000), who invented the first one in the 1950s.

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