Patent ID: 7273702

Claim:
A nucleic acid refining structure, being formed to be rotatable, comprising: a supply portion, through which is supplied a liquid including nucleic acid therein; a nucleic acid capture portion, onto which is captured the nucleic acid within said supplied liquid; a washing liquid supply portion, through which a washing liquid is supplied to said nucleic acid capture portion; a waste portion, into which is wasted said washing liquid flowing through said nucleic acid capture portion; an eluting solution supply portion, through which an eluting solution is supplied into said nucleic acid capture portion; an eluting solution holder portion for holding the eluting solution including the nucleic acid therein, being captured on said nucleic acid capture portion once and separated therefrom, after flowing through said nucleic acid capture portion, wherein said eluting solution hold portion is formed within a flow passage communicating between said nucleic acid capture portion and said waste portion; a cover for covering said supply portion, said nucleic acid capture portion, said washing liquid supply portion, said waste portion, said eluting solution supply portion and said eluting solution holder portion, said cover having a plurality of air holes sealed by a sealing material; and a punching machine for selectively punching a hole in the sealing material in at least one of the holes to control flow of at least the eluting solution.