CMU MEMS Laboratory Publication Abstract


in Proceedings of 8th Symposium on Micro Total Analysis Systems (MicroTAS), pp. 252-254, vol. 2, September 26-30, 2004, Malmo, Sweden.
Suspended Porous Cellulose Acetate Membranes for Microdialysis Use
G. C. Lopez and G. Fedder
Porous cellulose acetate membranes were suspended over 75 micron wide silicon microchannels. The microchannels are formed when a viscous polymer lacquer is directly spin cast onto etched silicon cavities. Standard fabrication processes are used to create the channel, preventing the need for adhesives, substrate bonding, or other complex assembly procedures. These microchannels can allow the isolation and concentration of specific biological molecules.
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