Stirred, not shaken: Bio-inspired cilia mix medical reagents at small scales
Tuesday, June 30, 2009 - 21:28
in Physics & Chemistry
The equipment used for biomedical research is shrinking, but the physical properties of the fluids under investigation are not changing. This creates a problem: the reservoirs that hold the liquid are now so small that forces between molecules on the liquid's surface dominate, and one can no longer shake the container to mix two fluids. Instead, researchers must bide their time and wait for diffusion to occur...
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