1 Chemicals used in industry and/or science for biotechnology, cell biology, molecular biology and immunology; sera, namely animal sera and human sera; cell culture media in liquid and powder form, serum-free and protein-free media, insect media in liquid and powder form, all the aforesaid media used in science; additional reagents, namely media additives in liquid and powder form, amino acids, vitamins, antibiotics, cell dissociating enzymes, separating solutions, all the aforesaid additional reagents for scientific purposes; cytokines; biochemicals; antibodies, monoclonal and polyclonal antibodies to cytokines and growth factors, monoclonal and polyclonal primary antibodies, monoclonal and polyclonal secondary antibodies; collagen for scientific purposes, for use in immunology; avidin, streptavidin, proteins A + G for scientific purposes, for use in immunology; enzymes and modifying enzymes for scientific purposes, for use in molecular biology; buffer solutions