Apparati and methods are provided for the delivery of molecules to a site via a carrier fluid. The apparati include microchip devices which have reservoirs containing the molecules for release. The apparati and methods provide for active or passive controlled release of the molecules. Preferred embodiments...http://www.google.de/patents/US6491666?utm_source=gb-gplus-sharePatent US6491666 - Microfabricated devices for the delivery of molecules into a carrier fluid
