Microfluidic nozzle array devices are provided with the body of each device having at least one nozzle extending outwardly from one surface of the body. Each nozzle includes a tip opening having a diameter of equal to or less than about 100 m, preferably 50 m, and more preferably 20 m and an outer diameter...http://www.google.ca/patents/US20030111599?utm_source=gb-gplus-sharePatent US20030111599 - Microfluidic array devices and methods of manufacture and uses thereof
