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Optimizing Antiambipolarity in OMIECs for Efficient Biohybrid Synapses

Project description

More efficient, biocompatible devices that better mimic how neurons function

Neurological diseases are a major global health challenge as they affect one in three people worldwide. With the support of the Marie Skłodowska-Curie Actions programme, the OASYS project aims to address this by developing advanced organic materials and devices that mimic how neurons work. These devices, called conductance-based organic electrochemical neurons, emulate neuron-like signals but are limited in their ability to generate biologically plausible spike frequencies. They also require high power consumption, which hinders their integration with biological systems. OASYS plans to tackle these issues by creating new materials that operate faster, use less power and produce more realistic neuron-like signals. Combining innovative material design, material characterisation and device engineering, OASYS will create wearable devices that can integrate seamlessly with biological systems.

Objective

Neurological diseases are now the leading contributor to the global health burden, affecting one in three individuals worldwide. In response to this critical issue, the development of innovative organic mixed ionic-electronic conductors (OMIECs) that emulate the ion-regulated electronic conductivity and dynamics of biological ion channels when implemented in organic electrochemical transistors (OECTs) has paved the way for electronic devices capable of replicating neuronal functionality, namely conductance-based organic electrochemical neurons (c-OECNs). Despite the progress towards emulating biological neuron functions, current c-OECNs are limited by their inability to generate biologically plausible spike frequencies and their high power consumption, which hinder their integration with biological systems. In this sense, OASYS plans to overcome this challenge by developing innovative OMIECs with optimized ambipolarity characteristics and fabricating wearable and biorealistic c-OECNs that can be fully integrated with biological systems. This will be realized by using rationally designed bithiophene imide (BTI)-based polymers that operate at low gate voltages, enabling faster OECT devices with reduced power consumption and enhanced spike frequencies. OASYS integrates cutting-edge polymer design, advanced material characterization, and innovative device engineering in an application-oriented approach to tackle critical challenges such as antiambipolar tunability, selective sensing, wearability, and biointegration.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

(opens in new window) HORIZON-MSCA-2024-PF-01

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Coordinator

LINKOPINGS UNIVERSITET
Net EU contribution
€ 236 340,00
Address
CAMPUS VALLA
581 83 Linkoping
Sweden
Region
Östra Sverige Östra Mellansverige Östergötlands län
Activity type
Higher or Secondary Education Establishments
Links
Total cost
No data

Partners (1)