@article {1340307, title = {Microfluidic Arrays of Fluid-Fluid Diffusional Contacts as Detection Elements and Combinatorial Tools}, journal = {Analytical Chemistry}, volume = {73}, year = {2001}, note = {758}, pages = {5207-5213}, keywords = {AC010502A}, author = {Ismagilov, R. F. and Ng, J. M. K. and Kenis, P. J. A. and Whitesides, G. M.} }