Stretchable Surface Electrode Arrays Using an Alginate/PEDOT:PSS-Based Conductive Hydrogel for Conformal Brain Interfacing.
brain interface
conductive hydrogel
electrocorticogram
implantable electronics
soft electronics
stretchable electronics
Journal
Polymers
ISSN: 2073-4360
Titre abrégé: Polymers (Basel)
Pays: Switzerland
ID NLM: 101545357
Informations de publication
Date de publication:
25 Dec 2022
25 Dec 2022
Historique:
received:
14
11
2022
revised:
01
12
2022
accepted:
19
12
2022
entrez:
8
1
2023
pubmed:
9
1
2023
medline:
9
1
2023
Statut:
epublish
Résumé
An electrocorticogram (ECoG) is the electrical activity obtainable from the cerebral cortex and an informative source with considerable potential for future advanced applications in various brain-interfacing technologies. Considerable effort has been devoted to developing biocompatible, conformal, soft, and conductive interfacial materials for bridging devices and brain tissue; however, the implementation of brain-adaptive materials with optimized electrical and mechanical characteristics remains challenging. Herein, we present surface electrode arrays using the soft tough ionic conductive hydrogel (STICH). The newly proposed STICH features brain-adaptive softness with Young's modulus of ~9.46 kPa, which is sufficient to form a conformal interface with the cortex. Additionally, the STICH has high toughness of ~36.85 kJ/mm
Identifiants
pubmed: 36616434
pii: polym15010084
doi: 10.3390/polym15010084
pmc: PMC9824691
pii:
doi:
Types de publication
Journal Article
Langues
eng
Subventions
Organisme : National Research Foundation of Korea
ID : 2020R1C1C1005567
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