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.ca/patents/US7090759?utm_source=gb-gplus-sharePatent US7090759 - Apparatus and method for light-controlled electrokinetic assembly of particles near surfaces
