Bromo- and thiomaleimides are shown to serve as highly effective quenchers of a covalently attached fluorophore. Reactions with thiols that lead to removal of the maleimide conjugation, or detachment of the fluorophore from the maleimide, result in 'turn-on' of the fluorescence. These reagents thus offer opportunities in thiol sensing and intracellular reporting.
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| http://dx.doi.org/10.1039/c3ob42141d | DOI Listing |
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