| 摘要 |
PROBLEM TO BE SOLVED: To provide a new means for enhancing efficiency of separation/purification using poorly water-soluble inorganic compounds for separation of the substance consisting of a peptide, a nucleic acid and their complex. SOLUTION: The method for separating substance to be separated consisting of the peptide, the nucleic acid and their complex comprises reacting at least one kind of cation selected from the group consisting of barium ion, calcium ion, magnesium ion and aluminum ion, with an anion reacting with the cation, forming a poorly water-soluble salt in an aqueous solution to be processed containing the substance to be separated, and making the substance to be separated adsorbed on the deposited poorly water-soluble salt. COPYRIGHT: (C)2009,JPO&INPIT
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