CPC C12M 1/12 (2013.01) [B01D 29/0009 (2013.01); B01D 29/03 (2013.01); B01D 63/06 (2013.01); C12M 33/14 (2013.01); C12N 15/1017 (2013.01); B01D 2201/02 (2013.01); G01N 2030/8827 (2013.01)] | 11 Claims |
1. A nucleic acid extraction and purification device, comprising a nucleic acid purification column and a breakable member, wherein
a purification column liquid inlet is provided at the top of the nucleic acid purification column, a purification column liquid outlet is provided at the bottom of the nucleic acid purification column, and a nucleic acid extraction membrane is provided in the nucleic acid purification column; and
the breakable member is arranged between the purification column liquid inlet and the nucleic acid extraction membrane, and is arranged in the nucleic acid purification column, the breakable member is provided with a groove, and the nucleic acid extraction and purification device further comprises a piercing rod for piercing the breakable member,
wherein the groove comprises an annular groove arranged at the center of the breakable member, and a plurality of support legs are provided on a bottom surface of the breakable member on the annular groove.
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