Microelectrodes can be used to measure electrical signals within organs such as the brain, but the hard materials microelectrodes are usually made of can cause problems when transplanted into the body. Bernhard Wolfrum and team successfully inkjet-printed microelectrode arrays (MEAs) onto a variety of soft materials, including gummy sweets, in the hope of one day developing better sensors for biomedical applications (1).
Reference: N Adly et al., “Printed microelectrode arrays on soft materials: from PDMS to hydrogels”, npj Flexible Electron, 2, 15 (2018). Credit: Copyright N. Adly / TUM
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