521552 EFTA02444637 Whitesides Group - Publications Page 4 of 19 1169. 908. "An Axisymmetric Flow-Focusing Microfluidic Device", Takeuchi, S., Garstedd, P., Weibel, D. B. and Whitesides, G. M., Adv. Mater. , 2005, 17, 1067.1072. 907. "Eliminating Positive Charged Lysine e-NH3+ Groups on the Surfac