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| Title: | Capillary micromechanics: measuring the elasticity of microscopic soft objects |
| Authors: | Wyss, Hans M.
Franke, Thomas
Mele, Elisa
Weitz, David A. |
| Issue Date: | 2010 |
| Publisher: | © Royal Society of Chemistry |
| Citation: | WYSS, H.M. ... et al, 2010. Capillary micromechanics: measuring the elasticity of microscopic soft objects. Soft Matter, 6 (18), pp. 4550 - 4555. |
| Abstract: | We present a simple method for accessing the elastic properties of microscopic deformable particles. This method is based on measuring the pressure-induced deformation of soft particles as they are forced through a tapered glass microcapillary. It allows us to determine both the compressive and the shear modulus of a deformable object in one single experiment. Measurements on a model system of poly-acrylamide microgel particles exhibit good agreement with measurements on bulk gels of identical composition. Our approach is applicable over a wide range of mechanical properties and should thus be a valuable tool for the characterization of a variety of soft and biological materials. |
| Description: | This article is closed access. |
| Sponsor: | This work was supported in part by the NSF (DMR-0602684),
the Harvard MRSEC (DMR-0820484), and by grants from Italy
(FIRB project RBIN045NMB and the Apulia Regional Strategic
Project PS144) and from Germany (Bayerische Forschungsstiftung
and the German Excellence Initiative (NIM)). |
| Version: | Published |
| DOI: | 10.1039/c003344h |
| URI: | https://dspace.lboro.ac.uk/2134/17813 |
| Publisher Link: | http://dx.doi.org/10.1039/c003344h |
| ISSN: | 1744-683X |
| Appears in Collections: | Closed Access (Materials)
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