Arrays of flowable or fixed particle sets are used in microfluidic systems for performing assays and modifying hydrodynamic flow. Also provided are assays utilizing flowable or fixed particle sets within a microfluidic system, as well as kits, apparatus and integrated systems comprising arrays and array...http://www.google.com/patents/US20040096960?utm_source=gb-gplus-sharePatent US20040096960 - Manipulation of microparticles in microfluidic systems
