1 Chemical, biochemical and biotechnological products for industrial and scientific purposes, nucleic acids, enzymes, polymerases, reagents for staining or marking, buffers, aqueous and non-aqueous solutions of alcohols and/or salts, distilled or purified water, silica, magnetic particles, materials for chromatography columns, reagents and/or solvents for sample preparation, purification, lysis, modification and/or manipulation of cells, reagents and/or solvents for a process of marking, separation, isolation, purification, amplification and/or analysis of biopolymers, proteins, macro molecules and biologically active substances, kits comprising chemical, biochemical and biotechnological products for sample preparation, purification, lysis, modification and/or manipulation of cells, all goods as far as contained in this class