Abstract: The present invention relates to a vessel for withdrawing blood, the vessel containing a solution which comprises a guanidinium salt, a buffer substance, a reducing agent, and/or a detergent as components. The vessel is particularly suited for withdrawing blood which is to be analyzed with respect to nucleic acids.
Abstract: Composition for bonding nucleic acid to a solid phase The present invention relates to a composition for bonding nucleic acid in aqueous solution to a solid phase containing a guanidinium salt, a buffer substance and a detergent, characterised in that the solution's pH value is ≧7.0.