Needle-type organic electrochemical transistor for spatially resolved detection of dopamine.
Bioelectronics
Dopamine
Nanoelectrode
Organic electrochemical transistor
PEDOT:PSS
Journal
Mikrochimica acta
ISSN: 1436-5073
Titre abrégé: Mikrochim Acta
Pays: Austria
ID NLM: 7808782
Informations de publication
Date de publication:
09 06 2020
09 06 2020
Historique:
received:
25
01
2020
accepted:
22
05
2020
entrez:
11
6
2020
pubmed:
11
6
2020
medline:
22
6
2021
Statut:
epublish
Résumé
In this work, the advantages of carbon nanoelectrodes (CNEs) and orgonic electrochemical transistors (OECTs) were merged to realise nanometre-sized, spearhead OECTs based on single- and double-barrel CNEs functionalised with a conducting polymer film. The needle-type OECT shows a high aspect ratio that allows its precise positioning by means of a macroscopic handle and its size is compatible with single-cell analysis. The device was characterised with respect to its electrolyte-gated behaviour and was employed as electrochemical sensor for the proof-of-concept detection of dopamine (DA) over a wide concentration range (10
Identifiants
pubmed: 32518976
doi: 10.1007/s00604-020-04352-1
pii: 10.1007/s00604-020-04352-1
pmc: PMC7283208
doi:
Substances chimiques
Polystyrenes
0
Thiophenes
0
poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate)
0
Dopamine
VTD58H1Z2X
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
378Subventions
Organisme : Deutsche Forschungsgemeinschaft
ID : FLAG-ERA JTC 15 "Graphtivity" (Schu929/14-1)
Pays : International
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