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  1. Biomedical Microdevices
  2. Year: 2011, Volume: 13
  3. Year: 2011, Volume: 13, Issue: 1
  4. Measurement of contractile forces generated by individual fibroblasts on self-standing fiber scaffolds
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Year: 2016, Volume: 18
Year: 2015, Volume: 17
Year: 2014, Volume: 16
Year: 2013, Volume: 15
Year: 2012, Volume: 14
Year: 2011, Volume: 13
Year: 2011, Volume: 13, Issue: 6
Year: 2011, Volume: 13, Issue: 4
Year: 2011, Volume: 13, Issue: 3
Year: 2011, Volume: 13, Issue: 2
Year: 2011, Volume: 13, Issue: 1
Cell types can be distinguished by measuring their viscoelastic recovery times using a micro-fluidic device
Endothelial cell behaviour within a microfluidic mimic of the flow channels of a modular tissue engineered construct
Measurement of contractile forces generated by individual fibroblasts on self-standing fiber scaffolds
Flow optimization study of a batch microfluidics PET tracer synthesizing device
Year: 2010, Volume: 12
Year: 2009, Volume: 11
Year: 2008, Volume: 10
Year: 2002, Volume: 4

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Measurement of contractile forces generated by individual fibroblasts on self-standing fiber scaffolds

Content Provider PubMed Central
Author Jeon, Hojeong Kim, Eunpa Grigoropoulos, Costas P.
Abstract Contractility of cells in wound site is important to understand pathological wound healing and develop therapeutic strategies. In particular, contractile force generated by cells is a basic element for designing artificial three-dimensional cell culture scaffolds. Direct assessment of deformation of three-dimensional structured materials has been used to calculate contractile forces by averaging total forces with respect to the cell population number. However, macroscopic methods have offered only lower bounds of contractility due to experimental assumptions and the large variance of the spatial and temporal cell response. In the present study, cell contractility was examined microscopically in order to measure contractile forces generated by individual cells on self-standing fiber scaffolds that were fabricated via femtosecond laser-induced two-photon polymerization. Experimental assumptions and calculation errors that arose in previous studies of macroscopic and microscopic contractile force measurements could be reduced by adopting a columnar buckling model on individual, standing fiber scaffolds. Via quantifying eccentric critical loads for the buckling of fibers with various diameters, contractile forces of single cells were calculated in the range between 30–116 nN. In the present study, a force magnitude of approximately 200 nN is suggested as upper bound of the contractile force exerted by single cells. In addition, contractile forces by multiple cells on a single fiber were calculated in the range between 241–709 nN.
Related Links http://dx.doi.org/10.1007/s10544-010-9475-5
Ending Page 115
Page Count 9
Starting Page 107
File Format PDF
ISSN 13872176
e-ISSN 15728781
Journal Biomedical Microdevices
Issue Number 1
Volume Number 13
Language English
Publisher Springer US
Publisher Date 2011-02-01
Access Restriction Open
Rights Holder Springer US
Subject Keyword Molecular Biology Biomedical Engineering Research in Higher Education
Content Type Text
Resource Type Article
Subject Nanoscience and Nanotechnology Molecular Biology Biomedical Engineering
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