5 Diagnostic preparations for medical and veterinary use; medical and veterinary preparations, namely, diagnostic preparations, in particular for sample preparation, the modification and manipulation of cells, and for conducting marking, separating, isolating, purifying, duplicating and/or analysis of biopolymers, in particular nucleic acids, proteins, macromolecules and biologically active substances; chemical, biochemical and biotechnological preparations for medical and veterinary use, namely, diagnostic reagents and solvents, in particular for sample preparation, the modification and manipulation of cells, and for conducting marking, separating, isolating, purifying, duplicating and/or analysis methods for biopolymers, in particular nucleic acids, proteins, macromolecules and biologically active substances for diagnostic purposes; kits containing medical and veterinary diagnostic preparations, in particular for sample preparation, the modification and manipulation of cells, and for conducting marking, separating, isolating, purifying, duplicating and/or analysis of biopolymers, in particular nucleic acids, proteins, macromolecules and biologically active substances, in particular nucleic acids of biological or biochemical sample material