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fura-2

Pronunciation: fu'ra

Definition: A fluorescent indicator that binds calcium; it is excited at longer wavelengths when free of calcium than when calcium is bound; the ratio of fluorescence intensity at two excitation wavelengths provides a measure of free calcium ion concentration; may be injected into cells to monitor moment-to-moment changes in intracellular free calcium ion concentration.

See Also: aequorin

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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