Diblock copolymers are excellent coatings for microelectrode arrays because they provide a stable surface that can support both synthetic and analytical electrochemistry. However, the surfaces that are optimal for synthetic studies are not the same as the surfaces that are optimal for analytical studies. Hence, no one surface provides an ideal platform for both building and analyzing a molecular library. Fortunately, the synthetic chemistry available on a microelectrode array allows a surface that is ideal for synthesis can be converted into one that is ideal for signaling studies; a scenario that allows for the use of an optimized synthetic and analytical surface on a single microelectrode array.
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