Chemicals, reagents and preparations for scientific and research use, namely chemical, biological, biochemical, microbiological, immunological, and diagnostic preparations, reagents, polynucleotides, proteins and polypeptides, nucleotide and peptide arrays, biochemical sensors, optical array sensors for identifying nucleic acids and proteins, optical array sensor reagents, analytical and diagnostic test reagents for use in molecular biology research and life sciences, in particular for the sc...