1 Chemical, biochemical and biotechnological products for industrial and scientific purposes, namely, solutions for protein processing, buffers, reagents, gel-tracking dye concentrates, marker dyes and solvents for the preparation of samples, the modification and manipulation of cells as well as performing marking, separation, isolation, purification, reproduction and analysis methods for biopolymers, in particular nucleic acids, proteins, macromolecules and biologically active substances; diagnostic preparations, except for human medical and veterinary medical purposes; reagents and solvents, not for medical or veterinary purposes, and in particular for the preparation of samples, the modification and manipulation of cells as well as for performing marking, separation, isolation, purification, reproduction and analysis methods for bio polymers, in particular nucleic acids, proteins, macromolecules and biologically active substances; kits comprising chemical products, namely, solutions for protein processing, buffers, reagents, gel-tracking dye concentrates, marker dyes and solvents, in particular for the preparation of samples, the modification and manipulation of cells as well as for the marking, separation, isolation, purification, reproduction and analysis of biopolymers, in particular nucleic acids, proteins, macromolecules, and biologically active substances in particular nucleic acids from biological and biochemical sample material