Combinations, called matrices with memories, of matrix materials that are encoded with an optically readable code are provided. The matrix materials are those that are used in as supports in solid phase chemical and biochemical syntheses, immunoassays and hybridization reactions. The matrix materials...http://www.google.se/patents/US6284459?utm_source=gb-gplus-sharePatent US6284459 - Solid support matrices with memories and combinatorial libraries therefrom
