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Imaging Redox Activity at Bipolar Electrodes by Indirect Fluorescence Modulation

par Bouffier, Laurent;Doneux, Thomas ;Goudeau, Bertrand;Kuhn, Alexandre
Référence Analytical chemistry, 86, page (3708-3711)
Publication Publié, 2014

Article révisé par les pairs

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Résumé :

Bipolar electrochemistry (BPE) is nowadays well-known but relatively underexploited and still considered as unconventional. It has been used, among others, in the frame of materials science and most importantly has also found very promising applications in analytical chemistry. Here, we extend this emerging field of analytical applications to the development of a new sensing concept based on indirect BPE. This approach is based on the generation of local pH gradients which will allow detecting indirectly redox-active molecules due to a modulation of the fluorescence intensity in the vicinity of a bipolar electrode.