Cited by 192Neuroscience and Neural EngineeringNeural dynamics and brain functionNeuroscience and Neuropharmacology Research

Simultaneous measurement of intracellular calcium and electrical activity from patterned neural networks in culture

Jimbo, Y., Robinson, H.P.C., Kawana, A.·1993·IEEE Transactions on Biomedical Engineering

Abstract

Multisite extracellular electrical activity and intracellular calcium were recorded simultaneously. Electrical signals were measured using microelectrode array substrates. A novel cell positioning technique was combined with a method for controlling neurite outgrowth, which allowed cell-electrode contacts to be established easily, thus facilitating the electrical recording. Intracellular calcium was measured optically using the indicator fluo 3. Under low-magnesium conditions, cultured rat cortical neurons showed periodic transients of fluo-3 fluorescence, which were synchronized with the periodic bursting observed electrically. The intervals between bursts could be determined by electrical stimulation through the substrate electrodes. The results suggest that functional synaptic connections are formed in the culture system.

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Crossref · 10.1109/10.238465

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  • With surface topologies on the substrate, axonal outgrowth of embryonic rat nerve cells was observed and electrical activity was recorded in a microstructure with 16 electrodes connected with grooves.

    “Having surface topologies on the substrate, axonal outgrowth of embryonic nerve cells from rats was observed and electrical activity was recorded in a microstructure with 16 electrodes that were connected with grooves (Jimbo and Kawana, 1992; Jimbo et al., 1993)”

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Authors
Jimbo, Y., Robinson, H. P. C., & Kawana, A.
Affiliations
NTT (Japan) (JP)
Venue
IEEE Transactions on Biomedical Engineering
Published
1993
Volume
40
Issue
8
Pages
804-810
ISSN
0018-9294 (ISSN-L)
OpenAlex
W2051002031
Cited by
192
References
0
Citations by year
2025: 1 · 2024: 1 · 2023: 2 · 2021: 3 · 2020: 2 · 2019: 3 · 2018: 2 · 2017: 1 · 2016: 7 · 2015: 1 · 2014: 5 · 2013: 8 · 2012: 3
FWCI
1.43
Type
journal article
Language
en
Open access
closed
Locations
  • IEEE Transactions on Biomedical Engineering (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neural Engineering
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
intracellular calcium, microelectrode arrays, fluo-3, cortical neurons, neuronal bursting, electrical stimulation, cell positioning, synaptic connectivity, simultaneous recording
MeSH terms
Animals, Calcium, Cells, Cultured, Cerebral Cortex, Cytological Techniques, Electric Stimulation, Electrophysiology, Embryo, Mammalian, Equipment Design, Magnesium, Microelectrodes, Nerve Net, Neurons, Semiconductors, Rats

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