| 摘要 |
The present invention intends to inexpensively mass-produce a water-insoluble crystalline gel that mainly comprises a nucleic acid having both gelling properties and liquid-crystallizing properties as well as both an adsorptivity of an aromatic compound and optical properties. A nucleic acid dissolved solution is prepared by dissolving a nucleic acid in water, a buffer, an aqueous solution containing salt, an aqueous polar solvent solution, or a mixture thereof; and the nucleic acid dissolved solution is then dialyzed in an aqueous solution containing a multivalent metal cation having a valence of b 2 or more to obtain a liquid crystalline gel mainly comprises a nucleic acid in the shape of a column, tube, cone, rod, fiber, ball, plate, or film. This liquid crystalline gel has a structure, which is concentric and radially oriented from the center when observation is conducted on the plate or film surface.
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