| abstract |
The utility model discloses a device suitable for DNA sampling in a water environment, which comprises an outer casing provided with a handle, the outer casing is provided with a water inlet and a water outlet, and an ultrasonic cracking cavity and a vacuum pumping chamber are also arranged in the outer casing. A DNA adsorption chamber is arranged in the vacuum chamber; after the water sample entered from the water inlet is lysed by the ultrasonic lysis chamber, it is attracted by the negative pressure of the vacuum chamber and flows through the The DNA adsorption chamber is then discharged through the water outlet. The utility model has the advantages of compact structure, easy portability, flexible operation and use, and greatly improves the sampling efficiency. |