Chemical, biochemical and biotechnological products for industrial and scientific purposes and for laboratory analyses, namely, nucleic acids, enzymes and polymerases for laboratory and research use, reagents and buffers used for the isolation, purification or separation of nucleic acids, oligonucleotides or proteins, none of the foregoing for medical or veterinary purposes; reagents and solvents for sample preparation, modification and manipulation of cells and for conducting marking, separa...