Patent ID: 6905825

Claim:
A method for isolating and purifying nucleic acids, which comprises: providing a mixed solution containing the nucleic acids, salts, and at least one organic solvent; adsorbing the nucleic acids on an adsorption support; washing the support adsorbed with the nucleic acids with a washing buffer; desorbing the nucleic acids from the support with an elution buffer thereby recovering the nucleic acids, wherein said organic solvent includes at least one of ethylene glycol dimethyl ether, ethylene glycol diethyl ether, propylene glycol dimethyl ether, propylene glycol diethyl ether, diethylene glycol dimethyl ether, diethylene glycol diethyl ether, tetrahydrofuran, 1,4-dioxane, propylene glycol monomethyl ether acetate, ethyl lactate, hydroxyacetone, acetone, and methyl ethyl ketone.