| 摘要 |
The invention relates to a substance containing a polycation and a calcium salt, and to a composition containing the substance. The substance and compositions containing the same exhibit adsorbability of a fungus body and adsorbability of a nucleic acid. The invention further includes an agent for adsorptive removal of a fungus body that contains the substance and a material for delivery of a nucleic acid. The invention further includes a process for obtaining the substance by removing a solvent from a mixture containing a polycation, a poorly water-soluble calcium salt, and the solvent. Preferably, the polycation is polylysine.
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