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Title: Quantification of magnetically induced changes in ECM local apparent stiffness
Authors: Herath, S.C.B.
Yue, D.
Hui, S.
Kim, M.-C.
Wang, D.-A.
Wang, Q. 
Van Vliet, K.J.
Asada, H.
Chen, P.C.Y. 
Issue Date: 7-Jan-2014
Citation: Herath, S.C.B., Yue, D., Hui, S., Kim, M.-C., Wang, D.-A., Wang, Q., Van Vliet, K.J., Asada, H., Chen, P.C.Y. (2014-01-07). Quantification of magnetically induced changes in ECM local apparent stiffness. Biophysical Journal 106 (1) : 332-341. ScholarBank@NUS Repository.
Abstract: The stiffness of the extracellular matrix (ECM) is known to influence cell behavior. The ability to manipulate the stiffness of ECM has important implications in understanding how cells interact mechanically with their microenvironment. This article describes an approach to manipulating the stiffness ECM, whereby magnetic beads are embedded in the ECM through bioconjugation between the streptavidin-coated beads and the collagen fibers and then manipulated by an external magnetic field. It also reports both analytical results (obtained by formal modeling and numerical simulation) and statistically meaningful experimental results (obtained by atomic force microscopy) that demonstrate the effectiveness of this approach. These results clearly suggest the possibility of creating desired stiffness gradients in ECM in vitro to influence cell behavior. © 2014 by the Biophysical Society.
Source Title: Biophysical Journal
ISSN: 00063495
DOI: 10.1016/j.bpj.2013.11.4459
Appears in Collections:Staff Publications

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