5 Medical and veterinary preparations, namely, diagnostics for medical purposes, in particular for sample preparation, modification and manipulation, and for the marking, separating, isolating, purifying, duplicating and/or analysis of biopolymers, in particular nucleic acids, proteins, macromolecules and biologically active substances; chemical reagents for medical or veterinary purposes, in particular for sample preparation, modification and manipulation, 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 for medical or veterinary purposes, comprised of chemical reagents and preparations, for sample preparation, modification and manipulation, and for the marking, separating, isolating, purifying, duplicating and/or analysis of nucleic acids, proteins, macromolecules and biologically active substances, in particular nucleic acids from biological or biochemical sample material and diagnostic preparations for medical and veterinary purposes