Wyss, H. M., Franke, T., Mele, E. and Weitz, D. A. (2010) Capillary micromechanics: measuring the elasticity of microscopic soft objects. Soft Matter, 6(18), pp. 4550-4555. (doi: 10.1039/C003344H)
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Publisher's URL: http://dx.doi.org/10.1039/C003344H
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.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Franke, Professor Thomas |
| Authors: | Wyss, H. M., Franke, T., Mele, E., and Weitz, D. A. |
| College/School: | College of Science and Engineering > School of Engineering > Biomedical Engineering |
| Journal Name: | Soft Matter |
| Publisher: | Royal Society of Chemistry |
| ISSN: | 1744-683X |
| ISSN (Online): | 1744-6848 |
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