Nylon flocked sampling swabs do not have a mattress-like core structure like traditional sampling swabs, making it difficult to release the sample and affecting the integrity of the sample. In contrast, the intact sample is adsorbed close to the surface of the sampling head and can be completely and quickly detached and released.
Vertical nylon fibers are like soft brushes, which can improve the collection effect of cell samples. The liquid sample is adsorbed between the nylon fiber bundles under strong hydraulic pressure, that is, close to the surface of the sampling head, so that it can be easily detached and released.