Vorrichtung zum Nachweis von fluoreszenten, der Bindung eines Liganden auf einem Substrat entsprechenden Merkmalen

摘要

A method of preparing preselected chemical sequences at known locations on a single substrate surface, comprising (a) exposing a selected and reactive region of the substrate surface, which region may or may not carry a monomer or monomer sequence, to an activator to enable the region to react with a monomer; (b) reacting the resulting activated substrate region and said monomer; (c) repeating steps (a) and (b) as often as necessary, wherein at least a portion of a said region is subjected to steps (a) and (b) at least twice.