Cited by 196Neuroscience and Neural EngineeringElectrochemical sensors and biosensorsElectrochemical Analysis and Applications

Ceramic-Based Multisite Microelectrodes for Electrochemical Recordings

Burmeister, Jason J., Moxon, Karen, Gerhardt, Greg A.·2000·Analytical Chemistry

Abstract

This paper describes the development and characterization of ceramic-based multisite arrays for electrochemical recordings in biological systems. These electrodes represent a parallel technology to the design of microelectrodes using silicon substrates. The ceramic substrates are stronger than silicon and are nonconducting, which makes them better suited for in vivo electrochemical measurements. The current designs are based on formation of four-site (50 x 50 microns with 200 microns spacing) electrodes on ceramic wafers using photolithography. The recording sites and connecting lines are made of Pt with a polyimide coating to insulate the connecting lines. The resulting electrodes are cut from the wafers producing a 1 cm length microelectrode that tapers to a approximately 2-5 microns tip. Electrochemical measures of dopamine and hydrogen peroxide support that the sensitivity, selectivity, and response characteristics of the electrodes exceed those of previously published silicon substrate-based microelectrodes. This is the first demonstration of microarrays formed from ceramic substrates, and the data presented support the hypothesis that these microelectrodes may be useful for a variety of neurochemical and electrophysiological applications. Preliminary in vivo electrochemical recordings are presented.

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Crossref · 10.1021/ac9907991

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13 of 13 references verified0 citation errors · 0 not checkable

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  • Amperometric measurement using enzyme-coated microelectrodes allows monitoring ACh release at a sub-second resolution.

    “The use of enzyme-coated microelectrodes for the amperometric measurement allows monitoring ACh release at a sub-second resolution and thus permits the demonstration of changes in ACh release in association with specific task events or behavioral responses (for evidence indicating the validity of this method see Burmeister et al, 2000; Parikh et al, 2004; Giuliano et al, 2008).”

    From Modes and models of forebrain cholinergic neuromodulation of cognition (2011) · cites this paper as Burmeister et al, 2000

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Authors
Burmeister, J. J., Moxon, K., & Gerhardt, G. A.
Affiliations
University of Kentucky (US)
Venue
Analytical Chemistry
Published
1999-12-03
Volume
72
Issue
1
Pages
187-192
ISSN
  • 0003-2700 (ISSN-L)
  • 1520-6882
OpenAlex
W2013654923
Cited by
196
References
13
Citations by year
2026: 1 · 2025: 5 · 2024: 6 · 2023: 4 · 2022: 6 · 2021: 8 · 2020: 6 · 2019: 7 · 2018: 8 · 2017: 13 · 2016: 12 · 2015: 13 · 2014: 8 · 2013: 14 · 2012: 6
FWCI
0.72
Type
journal article
Language
en
Open access
closed
Locations
  • Analytical Chemistry (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • U.S. Public Health Service
  • National Institute of Mental Health (K02MH001245, MH 01245)
  • Division of Biological Infrastructure
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neural Engineering
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Electrochemical sensors and biosensors
  • Physical Sciences › Chemistry › Electrochemistry › Electrochemical Analysis and Applications
Keywords
electrochemical recording, platinum electrode, polyimide insulation, photolithography, dopamine detection, hydrogen peroxide detection, microelectrode fabrication
MeSH terms
Animals, Ceramics, Electrochemistry, Male, Microelectrodes, Rats, Inbred F344, Rats

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