A method and apparatus for the manipulation of colloidal particulates and biomolecules at the interface between an insulating electrode such as silicon oxide and an electrolyte solution. Light-controlled electrokinetic assembly of particles near surfaces relies on the combination of three functional...http://www.google.co.uk/patents/US8071393?utm_source=gb-gplus-sharePatent US8071393 - Method of analyzing nucleic acids using an array of encoded beads
