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Light-inspired
biochip
The biochip design is inspired by metamaterials that channel lightwaves in small spaces. The design uses tiny posts to deflect cells and particles of certain sizes flowing in fluids, and specific configurations of the posts provide precise control over the objects' trajectories.
Biochips with these capabilities could be used to rapidly diagnose diseases and screen potential drugs.
Research paper:
Hydrodynamic metamaterials: Microfabricated arrays to steer, refract, and focus streams of biomaterials
Proceedings of the National Academy of Sciences, May 27, 2008
Researchers' homepages:
Nanostructure Laboratory
The Sturm Group
Austin Research Group
Ophelia K. C. Tsui
Related stories and briefs:
Like a rolling cell... (a method of channeling cells in a fluid)
Further info:
How It Works -- Biochips: microscopic plumbing
Back to TRN June 2/9, 2008
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