DOI: https://doi.org/10.29363/nanoge.neuronics.2024.003
Publication date: 18th December 2023
Biointegrated neuromorphic hardware holds promise for new protocols to record and regulate signaling in biological systems. Traditional neuromorphic systems based on silicon have limited bio-integration potential due to their high circuit complexity, poor biocompatibility, and low energy efficiency. Organic mixed ionic-electronic conductors (OMIECs) offer a potential solution to these limitations. Because of their structural kinship with biomolecules and coupled ionic-electronic transport functionalities, OMIECs are an excellent choice for bridging electronics and biology, enabling energy-efficient signal transduction. In this presentation, I will explore the use of OMIECs to develop organic electrochemical neurons with ion-modulated spiking capabilities. We will discuss the ease of their integration with biological neurons and demonstrate their operation as an event-based sensor, transducing biochemical signals to electrical signals that can be used to actuate/stimulate biological nerves. These soft, flexible organic electrochemical neurons and synapses operate at low energy and respond to multiple stimuli, signaling a new era for closed-loop regulation of physiology.
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