| abstract |
The invention discloses a water sample collection device and collection method based on the digital PCR quantitative detection technology of Giardia and Cryptosporidium in water. The inner sliding connection is provided with a sealing plate, the sealing plate is connected with a driving mechanism, and the upper end of the water tank is communicated with an air intake mechanism through an air intake pipe; a fixed platform connected with the buoyancy plate is arranged below the water tank, and a collection cylinder is placed on the fixed platform, and the bottom end of the water tank is connected with the collecting The cylinder is detachable and connected, and the upper and lower ends of the collecting cylinder are respectively provided with a water inlet and a water outlet; a mandrel is slidably connected in the collecting cylinder, the bottom end of the mandrel is connected with the bottom end of the collecting cylinder through a filter spring, and two ends of the mandrel are fixedly connected with movable The sealing sheet is provided with an enrichment filter element connected to the inner wall of the collecting cylinder between the movable sealing sheets. The invention can realize the fixed-point quantitative sampling work of Giardia and Cryptosporidium, and can carry out the sampling work of multiple sampling points at the same time, which is convenient to operate, economical and practical. |