Radiolabelled amino acid formulations stored in an unfrozen state
AssigneeAmersham International plc
InventorsRoger Malcolm Price, Christopher Charles May, Elizabeth Margaret Buckley, Timothy Stone
Life of this patent
Estimating the term…
Abstract
Additives are proposed for compositions comprising radiolabelled organic compounds e.g. 32P-labelled nucleotides. Stabilizers are selected from tryptophan, para-aminobenzoate, indoleacetate and the azole group. Dyes are selected from Sulphorhodamine B, Xylene Cyanol, Azocarmine B and New Coccine. Preferred compositions contain both stabilizer and dye.
Claims6
A product consisting of a stabilized solution of an amino acid labelled with a .beta.-emitting nuclide, said solution also containing a dye, and said solution contained in a unfrozen state and stable for at least seven days within a closed vessel which vessel is suitable for storage and shipment of the solution in an unfrozen state.
Dependencies are inferred from the claim text.