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  Cell-substrate impedance fluctuations of single amoeboid cells encode cell-shape and cell-substrate adhesion dynamics.

Leonhardt, H., Gerhardt, M., Höppner, N., Krüger, K., Tarantola, M., & Beta, C. (2016). Cell-substrate impedance fluctuations of single amoeboid cells encode cell-shape and cell-substrate adhesion dynamics. Physical Review E, 93(1): 012414. doi:10.1103/PhysRevE.93.012414.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-273C-E Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-327B-6
Genre: Journal Article

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 Creators:
Leonhardt, H., Author
Gerhardt, M., Author
Höppner, N.1, Author              
Krüger, K., Author
Tarantola, M.1, Author              
Beta, C.1, Author              
Affiliations:
1Laboratory for Fluid Dynamics, Pattern Formation and Biocomplexity, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063287              

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 Abstract: We show systematic electrical impedance measurements of single motile cells on microelectrodes. Wild-type cells and mutant strains were studied that differ in their cell-substrate adhesion strength. We recorded the projected cell area by time-lapse microscopy and observed irregular oscillations of the cell shape. These oscillations were correlated with long-term variations in the impedance signal. Superposed to these long-term trends, we observed fluctuations in the impedance signal. Their magnitude clearly correlated with the adhesion strength, suggesting that strongly adherent cells display more dynamic cell-substrate interactions.

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Language(s): eng - English
 Dates: 2016-01-252016-01
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1103/PhysRevE.93.012414
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Title: Physical Review E
Source Genre: Journal
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Pages: 8 Volume / Issue: 93 (1) Sequence Number: 012414 Start / End Page: - Identifier: -