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Organic electrochemical neurons and synapses with ion mediated spiking

Padinhare, Harikesh (author)
Linköping University,Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
Yang, Chiyuan (author)
Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
Tu, Deyu (author)
Linköping University,Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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Gerasimov, Jennifer (author)
Linköping University,Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
Manan Dar, Abdul Manan (author)
Linköping University,Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
Armada Moreira, Adam (author)
Linköping University,Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
Massetti, Matteo (author)
Linköping University,Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
Kroon, Renee (author)
Linköping University,Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
Bliman, David (author)
Gothenburg University,Göteborgs universitet,University of Gothenburg,Univ Gothenburg, Sweden,Institutionen för kemi och molekylärbiologi,Department of Chemistry and Molecular Biology
Olsson, Roger (author)
Gothenburg University,Göteborgs universitet,University of Gothenburg,Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Kemisk biologi med inriktning mot läkemedelsutveckling,Forskargrupper vid Lunds universitet,Centrum för analys och syntes,Kemiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Chemical Biology and Therapeutics,Lund University Research Groups,Centre for Analysis and Synthesis,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH,Univ Gothenburg, Sweden; Lund Univ, Sweden,Institutionen för kemi och molekylärbiologi,Department of Chemistry and Molecular Biology
Stavrinidou, Eleni (author)
Linköping University,Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
Berggren, Magnus (author)
Linköping University,Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten,N Ink AB, Tekn Ringen 7, SE-58330 Linkoping, Sweden
Fabiano, Simone (author)
Linköping University,Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten,N Ink AB, Tekn Ringen 7, SE-58330 Linkoping, Sweden
Yang, Chi Yuan (author)
Linköping University
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 (creator_code:org_t)
2022-02-22
2022
English.
In: Nature Communications. - : Nature Portfolio. - 2041-1723. ; 13:1
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Future brain-machine interfaces, prosthetics, and intelligent soft robotics will require integrating artificial neuromorphic devices with biological systems. Due to their poor biocompatibility, circuit complexity, low energy efficiency, and operating principles fundamentally different from the ion signal modulation of biology, traditional Silicon-based neuromorphic implementations have limited bio-integration potential. Here, we report the first organic electrochemical neurons (OECNs) with ion-modulated spiking, based on all-printed complementary organic electrochemical transistors. We demonstrate facile bio-integration of OECNs with Venus Flytrap (Dionaea muscipula) to induce lobe closure upon input stimuli. The OECNs can also be integrated with all-printed organic electrochemical synapses (OECSs), exhibiting short-term plasticity with paired-pulse facilitation and long-term plasticity with retention >1000 s, facilitating Hebbian learning. These soft and flexible OECNs operate below 0.6 V and respond to multiple stimuli, defining a new vista for localized artificial neuronal systems possible to integrate with bio-signaling systems of plants, invertebrates, and vertebrates. The integration of artificial neuromorphic devices with biological systems plays a fundamental role for future brain-machine interfaces, prosthetics, and intelligent soft robotics. Harikesh et al. demonstrate all-printed organic electrochemical neurons on Venus flytrap that is controlled to open and close.

Subject headings

NATURVETENSKAP  -- Fysik -- Annan fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Other Physics Topics (hsv//eng)
MEDICIN OCH HÄLSOVETENSKAP  -- Medicinska och farmaceutiska grundvetenskaper -- Neurovetenskaper (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Basic Medicine -- Neurosciences (hsv//eng)
NATURVETENSKAP  -- Kemi (hsv//swe)
NATURAL SCIENCES  -- Chemical Sciences (hsv//eng)

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