A method for preferentially localizing desired molecules within an optical confinement disposed upon a substrate is disclosed. The desired molecules are deposited over the surface of the substrate. The desired molecules that are not within the optical confinement are selectively removed from the surface...http://www.google.fr/patents/US20090305908?utm_source=gb-gplus-shareBrevet US20090305908 - Method and System for Multiplex Genetic Analysis