ure Sizes Larger than 8 mm", Linder, V., Wu, H., Jiang, X. and Whitesides, G. M., Anal. Chem., 2003, 75, 2522-2527. 842. "Fluidic Ratchet Based on Marangoni-Benard Convection", Stroock, A. D., Ismagilov, R. F., Stone, H. A. and Whitesides, G. M., Langmuir, 2003, 19, 4358-4362. 841. "Customization of Poly(dimethylsiloxan