I hope these articles can be helpful, they are more inclined to the micromixers
[1]D. D. Carlo, D. Irimia, R. G. Tompkins, and M. Toner, “Continuous inertial focusing, ordering, and separation of particles in microchannels,” PNAS, vol. 104, no. 48, pp. 18892–18897, Nov. 2007.
[2]A. A. S. Bhagat, S. S. Kuntaegowdanahalli, and I. Papautsky, “Continuous particle separation in spiral microchannels using Dean flows and differential migration,” Lab Chip, vol. 8, no. 11, pp. 1906–1914, Nov. 2008.
[3]J. Peter B. Howell, D. R. Mott, J. P. Golden, and F. S. Ligler, “Design and evaluation of a Dean vortex-based micromixer,” Lab Chip, vol. 4, no. 6, pp. 663–669, Nov. 2004.
[4]F. Jiang, K. S. Drese, S. Hardt, M. Küpper, and F. Schönfeld, “Helical flows and chaotic mixing in curved micro channels,” AIChE Journal, vol. 50, no. 9, pp. 2297–2305, 2004.
[5]F. Schönfeld and S. Hardt, “Simulation of helical flows in microchannels,” AIChE Journal, vol. 50, no. 4, pp. 771–778, 2004.