1 Chemical, biochemical, biological preparations, namely, antibodies, proteins, serum, enzymes and biotechnological preparations, namely, biotechnology formed enzymes or genes, nucleic acid probes, primers for polymerase chain reaction (PCR) amplification, chemical preparations for scientific purposes; chemical, biochemical, biological and biotechnological products, namely, liquid suspension buffer solutions, antibodies, biologically active proteins, peptides and nucleic acids for clinical or pre-clinical research use, reagents and assay kits comprised of reagents, chemicals and buffers for scientific use; chemical, biochemical, biological and biotechnical compounds for scientific use to fix cells, to permeabilize cells, to identify cells by fluorescent detection of by modification of optical properties, to modify cells and particle dielectrophoretic mobility, as suspension buffers for dielectrophoresis (DEP) manipulation, as culture media, and to separate cells; chemical, biochemical, biological and biotechnological products and preparations, namely, cell cultures, antibodies, proteins, peptides, growth factors, namely proteins or hormones for stimulating cellular growth, buffer solutions, substrates, DNA probes for scientific use, namely, for the identification of primary compounds with biological activity, namely, proliferation, apoptosis, lysis, phagocytosis, cell differentiation, transfection, gene-silencing, gene expression, protein production, translocation, secretion, other compounds uptake or release; chemical, biochemical, biological and biotechnological products, namely, liquid suspension buffer solutions, antibodies, biologically active proteins, peptides and nucleic acids, primers, reagents, and assay kits comprised of reagents, chemicals and buffers for laboratory analysis which is not for medical or veterinary use; products, namely, liquid suspension buffer solutions, antibodies, biologically active proteins, peptides and nucleic acids, primers, reagents, and assay kits comprised of reagents, chemicals and buffers for diagnosis which is not for medical or veterinary use; chemical reagents not for medical or veterinary purposes; diagnostic reagents for clinical or medical laboratory use