A method is provided for screening microorganisms having a selectable characteristic comprising: (a) providing a growth chamber capable of forming a plurality of discrete compartments, said compartments comprising a barrier which inhibits the diffusion of metabolites or nutrients between said compartments...http://www.google.com.au/patents/US6001586?utm_source=gb-gplus-sharePatent US6001586 - Compartmentalization method for screening microorganisms
