Measurement of the cell-substrate separation and the projected area of an individual adherent cell using electric cell-substrate impedance sensing

Pahnit Seriburi, Shawn McGuire, Ashutosh Shastry, Karl F. Böhringer, Deirdre Meldrum

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

This work presents an electrical technique called electric cell-substrate impedance sensing to measure the cell-substrate separation and the projected area of an individual adherent cell. Cell adhesion and cell spreading are fundamental processes of adherent cells. By recording changes in the cell-substrate separation, the projected area, or both properties with time, the dynamics of cell spreading and cell adhesion can be studied. The advantage of this electrical technique is that it enables a measurement of many individual cells simultaneously. This is a great benefit to the study of heterogeneity in cell populations. The research consisted of building a custom impedance sensing setup, designing an in vitro assay to record an impedance spectrum of an individual living cell, and developing a data analysis method to obtain two properties of the cell from curve-fitting of the impedance spectrum. The values of the cell-substrate separation and the projected area of an individual cell were within the expected ranges and in agreement with those obtained from optical microscopy.

Original languageEnglish (US)
Pages (from-to)3677-3683
Number of pages7
JournalAnalytical Chemistry
Volume80
Issue number10
DOIs
StatePublished - May 15 2008
Externally publishedYes

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Electric batteries
Cell adhesion
Substrates
Cells
Curve fitting
Optical microscopy
Assays

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Measurement of the cell-substrate separation and the projected area of an individual adherent cell using electric cell-substrate impedance sensing. / Seriburi, Pahnit; McGuire, Shawn; Shastry, Ashutosh; Böhringer, Karl F.; Meldrum, Deirdre.

In: Analytical Chemistry, Vol. 80, No. 10, 15.05.2008, p. 3677-3683.

Research output: Contribution to journalArticle

Seriburi, Pahnit ; McGuire, Shawn ; Shastry, Ashutosh ; Böhringer, Karl F. ; Meldrum, Deirdre. / Measurement of the cell-substrate separation and the projected area of an individual adherent cell using electric cell-substrate impedance sensing. In: Analytical Chemistry. 2008 ; Vol. 80, No. 10. pp. 3677-3683.
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