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| Content Provider | PubMed Central |
|---|---|
| Author | Kuriakose, S. Dimitrakopoulos, P. |
| Abstract | In the present study we investigate computationally the deformation of an elastic capsule in a rectangular microfluidic channel and compare it with that of a droplet. In contrast to the bullet or parachute shape in a square or cylindrical channel where the capsule extends along the flow direction, in a rectangular channel the capsule extends mainly along the less-confined lateral direction of the channel cross-section (i.e. the channel width), obtaining a pebble-like shape. The different shape evolution in these two types of solid channels results from the different tension development on the capsule membrane required for interfacial stability. Furthermore, in asymmetric channel flows, capsules show a different deformation compared to droplets with constant surface tension (which extend mainly along the flow direction) and to vesicles which extend along the more-confined channel height. Therefore, our study highlights the different stability dynamics associated with these three types of interfaces. Our findings suggest that the erythrocyte deformation in asymmetric vessels (which is similar to that of capsules) results from the erythrocyte’s inner spectrin skeleton rather than from its outer lipid bilayer. |
| Related Links | http://dx.doi.org/10.1039/c3sm27683j |
| Starting Page | 4284 |
| File Format | |
| ISSN | 1744683X |
| e-ISSN | 17446848 |
| Journal | Soft matter |
| Issue Number | 16 |
| Volume Number | 9 |
| Language | English |
| Publisher Date | 2013-01-01 |
| Access Restriction | Open |
| Subject Keyword | Chemistry(all) Condensed Matter Physics Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry Condensed Matter Physics |
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