A method, apparatus and computer program product, for fabricating an array of biopolymers on a substrate. The method uses a biopolymer or biomonomer fluid and a drop dispenser having a chamber into which the fluid is loaded and an orifice communicating with the chamber from which the fluid is dispensed....http://www.google.com.au/patents/US6656740?utm_source=gb-gplus-sharePatent US6656740 - Pressure variation in array fabrication
