[ Chemical, biochemical and biotechnological products for industrial and scientific purposes, in particular nucleic acids, enzymes, polymerases, reagents for staining and marking, molecular probes, buffer, aqueous and non-aqueous solutions of alcohols and salts, distilled and purified water, silica in powdered, granulate and gel form and magnetic particles in fluid form, none of the foregoing for medical or veterinary purposes; materials for columns and reagents and solvents for sample prepar...