| 摘要 |
A process for the production of a preparation for specific staining of nuclear DNA is disclosed, that can be used to determine the DNA cell contents by flow cytometry. The working solution of such a preparation, containing besides the specific dye, a thermolabile enzyme and a surfactant, is dehydrated under vacuum so as to stabilize it and to modify its characteristic of access to ligand and hydration, and in this way it can be stored for a long time, preferably packed in single dose vials, and then reconstituted at the moment of use, maintaining its properties perfectly unaltered.
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