@article {1340373, title = {Fabrication of Magnetic Microfiltration Systems Using Soft Lithography}, journal = {Applied Physics Letters}, volume = {80}, year = {2002}, note = {824}, pages = {461-463}, keywords = {038203APL, ms$\#$ L01-2809}, author = {Deng, T. and Prentiss, M. G. and Whitesides, G. M.} }