Recent advances in electro-organic chemistry involving miniaturization, integration, and combinatorial chemistry were reviewed. Microelectrode array technology for site-selective electro-organic reactions and addressable libraries provides a direct and unlabeled method for measuring small-molecule-protein interactions. Electrochemical systems using solid-supported bases and acids ("site separation") can realize electrolysis without the addition of supporting electrolytes. Well-designed "bipolar electrodes" have enabled the production of patterned gradient polymer brushes and microfibers. For the display of combinatorial organic electrochemistry, batch and flow electrolysis systems for the optimization and screening of electro-organic reactions as well as the building of chemical libraries for organic compounds are described.
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