Design and construction of a linear shear stress flow chamber
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A new paralle plate flow chamber that has a linear variation of shear stress, starting from a predetermined maximum value at the entrance and falling to zero at the exit, has been designed and tested. This is in contrast to the usual rect-angular channel plan which produces a constant shear stress over the entire length. The new design is based on the theory of Hele-Shaw flow between parallel plates. To verify the efficacy of the flow channel, the effect of fluid shear stress on platelet adhesion to a fibrinogen-coated glass surface was tested. The percentage of attached platelets after 5 min of shear stress is shown to be a function of shear stress. With this new flow chamber, cell-cell interactions can be studied efficiently over a wide range of shear stress using a single run at constant discharge.
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- Design and construction of a linear shear stress flow chamber
Annals of Biomedical Engineering
Volume 21, Issue 1 , pp 77-83
- Cover Date
- Print ISSN
- Online ISSN
- Kluwer Academic Publishers
- Additional Links
- Flow chamber
- Hele-Shaw flow
- Cell adhesion
- Industry Sectors
- Author Affiliations
- 1. Institute of Biomedical Sciences, Academia Sinica, 11529, Taipei, Taiwan
- 2. Department of Applied Mechanics and Engineering Sciences/Bioengineering, University of California, San Diego, La Jolla, CA