A method and apparatus for dispensing immobilized reactants onto substrates for use in generating a biological assay plate for detecting the presence of mobile reactants that bind to the immobilized reactants. The apparatus includes a dispensing bed that holds a plurality of substrates. Each potential...http://www.google.es/patents/US5551487?utm_source=gb-gplus-sharePatente US5551487 - Micro-dispenser for preparing assay plates
