Methods and compositions for obtaining amplifiable nucleic...

C - Chemistry – Metallurgy – 12 – Q

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C12Q 1/68 (2006.01)

Patent

CA 2655458

An additive that substantially compensates for the adverse affects of transport media on the extraction and amplification of nucleic acids from tissue samples and a method for using the additive. The additive is combined with the transport media, either before, during or after the tissue sample is combined with the transport media. The additive provides a source for a negatively charged ionic species. The additive contains, for example, hydrogen peroxide, sodium peroxide, sodium percarbonate, urea-hydrogen peroxide, a metal salt a combination of peroxide and metal salt, or other sources for negatively charged ionic species. The additive is combined with the sample in an environment such that the negatively charged ionic species are present.

La présente invention concerne un additif qui compense sensiblement les effets indésirables des milieux de transport sur l'extraction et l'amplification d'acides nucléiques provenant d'échantillons tissulaires, ainsi qu'un procédé d'utilisation de l'additif. L'additif est combiné avec les milieux de transport avant, durant ou après que l'échantillon tissulaire a été combiné avec lesdits milieux de transport. L'additif représente une source d'espèces ioniques chargées négativement. L'additif contient, par exemple, du peroxyde d'hydrogène, du peroxyde de sodium, du percarbonate de sodium, du peroxyde d'urée et d'hydrogène, un sel métallique, une combinaison de peroxyde et de sel métallique, ou d'autres sources d'espèces ioniques chargées négativement. L'additif est combiné avec l'échantillon dans un environnement de telle sorte que les espèces ioniques chargées négativement soient présentes.

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