The free DNA sample preservation tube can be directly used for the collection and transportation of blood samples and stabilize the free DNA (Cell-Free DNA). It is composed of EDTA anticoagulant and special protective agent, which can effectively inhibit nucleases in plasma and avoid the release of genomic DNA in blood nucleated cells. This product is suitable for studies where noninvasive prenatal screening is associated with early diagnosis of some diseases. After the collection of blood samples using free DNA sample storage tubes, the free DNA can be stably stored at 6-37℃ for up to 14 days, which provides great convenience for the transportation and storage of blood samples. Free DNA samples Blood samples in storage tubes can be free DNA extracted by most commercial kits, and the extracted free DNA can be applied for downstream detection and analysis. The product can also be used for the preservation of genomic DNA in blood-nucleated cells.

1. This product is glass tube, fragile and take certain protective measures during operation and transportation.
2. This product is suitable for storing 5 ml of blood, and requires soft needles for blood collection. Too much or excessive blood collection will lead to an inappropriate ratio of blood / protective agent to achieve the optimal performance of the product.
3. If the product is found to be precipitated or insoluble before use, the product will be stopped. Please contact Kang Wei century after-sales service for consultation.
4. Because the protective agent in the product contains chemical ingredients, blood reflux must be avoided when drawing blood.