chemical preparations, substances and products for use in the scientific or medical research industry, all for use in the synthesis, purification, immobilization of biochemicals, nucleic acids, oligonucleoctides, proteins, peptides, polysaccharides, bioactive molecules or constituents thereof and the application thereof, and for use in the immobilization of cells, eukaryotic or prokaryotic cells or organelles for use in applications of cell or tissue culture; reagents for scientific or resear...