id-Fluid Diffusional Contacts as Detection Elements and Combinatorial Tools", Ismagilov, R. F., Ng, J. M. K., Kenis, P. 3. A. and Whitesides, G. M., Ana/. Chem., 2001, 73, 5207-5213. 757. "Microscope Projection Photolithography for Rapid Prototyping of Masters with Micron-Scale Features for Use in Soft L