Reagents for scientific and research use; reagents for scientific or medical research use; reagents for use in scientific apparatus for chemical or biological analysis; chemicals for use in the purification of proteins for in vitro use; kit containing pre-packed columns, chemicals, pre-made buffer concentrates, syringes and instructional manual for the purification of proteins for in vitro use; reagent kits comprising generic DNA circle, DNA primers, polymerase and buffers for use in biotechnology fields; protein in raw material form for scientific and medical research; protein for use in the manufacture of cosmetics; protein for industrial use; proteins for use in manufacture; proteins used in the manufacture of cosmetics, beverages, food products and food supplements; chemical preparations for scientific purposes; biochemicals, namely, polynucleotides for in vitro and in vivo scientific and research purposes; biochemicals for in vitro and in vivo scientific use; biological preparations for use in industry and science diagnostic reagents for scientific or research use; diagnostic preparations for scientific or research use; enzymes for use in protein hydrolysis; chromatography chemicals; electrophoresis gels; electrophoresis gels other than for medical or veterinary purposes