Nucleic acids extraction system and method based on 3d-printed microdevice

A nucleic acids extraction system based on a 3D-printed microdevice, wherein the nucleic acids extraction system based on a 3D-printed microdevice is a monomer 3D-printed microdevice or a 3D-printed microdevice prepared by 3D printing technologies;

• the monomer 3D-printed microdevice comprises a nucleic acids binding region and a handle region, the 3D-printed microdevice is composed of more than two monomer 3D-printed microdevices and a joining region used for connecting monomer 3D-printed microdevices, and the handle region ends of the monomer 3D-printed microdevices, which are far away from the nucleic acids binding region, are connected in parallel to the joining region;
• the nucleic acids binding region of the monomer 3D-printed microdevice comprises type a, type b, type c, type d, type e and type f, wherein the type a is in a shape of cone, and the center position of the bottom surface of the cone is combined with the handle region;
• the type b is in a shape of conoid, the vertex of the cone is smoothed, and the center position of the bottom surface of the cone is combined with the handle region;
• the type c is in a shape of cylinder and hemispheroid, the diameter of the cylinder is the same as that of the hemispheroid, the center position of the bottom surface of one end of the cylinder is combined with the handle region, and the bottom surface of the other end is combined with the maximum diameter surface of the hemispheroid;
• the type d is in a shape of hemispheroid, and the center position of the maximum diameter surface of the hemispheroid is combined with the handle region;
• the type e is in a shape of cylinder and cone, the diameter of the cylinder is the same as that of the bottom surface of the cone, the center position of one end of the cylinder is combined with the handle region, and the other end is combined with the bottom surface of the cone;
• and the type f is in a shape of cylinder and conoid, the diameter of the cylinder is the same as that of the bottom surface of the conoid, the center position of one end of the cylinder is combined with the handle region, the other end is combined with the bottom surface of the conoid, and the vertex of the conoid is smoothed.