Chemical, biochemical and biotechnological products used in industry and science, namely, reagents and solvents for sample preparation, the modification and manipulation of cells, and for conducting marking, separating, isolating, purifying, duplicating and analysis methods for biopolymers, namely, nucleic acid, proteins, macromolecules and biologically active substances all for scientific purposes; kits primarily comprised of chemicals for sample preparation, the modification and manipulatio...