Article,

Design, Synthesis and Cellular Dynamics Studies in Membranes of a New Coumarin-Based "Turn-Off" Fluorescent Probe Selective for Fe2+

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European Journal of Medicinal Chemistry, (2013)
DOI: 10.1016/j.ejmech.2013.06.022

Abstract

A new coumarin-based 'turn-off' fluorescent probe, 7-(diethylamino)-N-(1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl)-2-oxo-2H-chromene-3-carboxamide (AGD) was synthesized. This compound is highly selective for ferrous ions (Fe2+) and can reversibly detect them in aqueous medium. The probe localizes to the cell membrane in living cells, where it can detect changes in Fe2+ concentration. Molecular dynamics (MD) simulations indicate that AGD interacts with the lipid bilayer at the level of the glycerol moieties.

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