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  • Microelectrode arrays on gelatin: A team surrounding Professor Wolfrum has successfully printed sensors on gummi candy. Image: N. Adly / TUM

    Producing sensors with an inkjet printer

    Microelectrode arrays (MEAs) can be printed on gelatin and other soft materials

    Microelectrodes can be used for direct measurement of electrical signals in the brain or heart. These applications require soft materials, however. With existing methods, attaching electrodes to such materials poses significant challenges. A team at the Technical University of Munich (TUM) has now succeeded in printing electrodes directly onto several soft substrates.

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