| 摘要 |
This invention is directed to a process for the purification of plasmid and other DNA, both single-stranded and double-stranded, by immobilizing the DNA onto diatomaceous earth in the presence of a chaotropic agent and eluting the DNA with water or low salt buffer. The resulting purified DNA is biologically active. Also included in the invention is a process for the immobilization of DNA onto diatomaceous earth in the presence of a chaotropic agent.
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