A reactivity based fluoride sensing method exploiting both its nucleophilic and basic character has been developed. This novel dual mode strategy offers both a visible “naked-eye” and a “fluorescence-on” detection. Upon nucleophilic addition of F− to fluorochromic maleimides this approach allows for selective detection of fluoride from other (critical) basic anions, such as acetate, hydroxide or cyanide.
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Padié et al. (2011) studied this question.
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