Durable polypropylene 2ml collection tubes used in conjunction with the Zymo-Spin line of spin-columns (i.e. Zymo-Spin I through Zymo-Spin V). Collection tubes capacity is 2ml. Article Snippet Samples were collected using the collection kit provided with the PrecisionBIOME NGS Microbial test (Pangea Laboratory, Tustin, CA, USA).. This kit contains sterile oropharyngeal and nasopharyngeal swabs and collection tubes pre-filled with a nucleic acid-stabilizing solution called DNA/RNA ShieldTM (Zymo Research Corp., Irvine, CA).. This solution can preserve the microbial DNA present in the specimen at room temperature for up to 30 days Simple and reliable. The collection tubes are consistent in size and shape. They provide a reliable method of collection and are received the same way every time. Application Area: RNA extration sample