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Design of a Biosensing Chamber

CFD Reseach Corporation collaborated with MIT - Lincoln Labs on the development of a B-cell based microfluidic biosensor for sample identification (near a single particle). Simulation based analyses of various geometrical configurations showed that the design with B-cell deployed on the surface of a post gave the best binding efficiency. The figure shows antigen concentration contours for this configuration. The binding achieved for various configurations is compared. Simulation based analysis enabled a 15-fold increase in device sensitivity from the existing design.


Design analysis and optimization of biosensor chamber (top) contours of bound antigen in chamber with post (bottom) quantitative comparison of different geometries and derivatization schemes.

 
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