Norgen offers a full line of collection and preservation devices for stabilization of RNA at room temperature. Please see the table below for our recommendations based on your specimen type.
| Specimen* | Recommended Collection & Preservation Device |
| Plasma/Serum | cf-DNA/cf-RNA Preservative Tubes (Cat.#63950) - RT stabilization of cf-RNA and exosomes for 30 days |
| Urine (cell-free RNA) | Urine Collection & Preservation Tubes - RT stabilization of cf-RNA and exosomes for 2 years |
| Saliva | Saliva RNA Collection & Preservation Devices (cat.#RU53800) - RT stabilization of RNA for 2 months |
| Stool | Stool Nucleic Acid Collection & Preservation Tubes (cat.#45660) - RT stabilization of RNA for 7 days |
*If you are collecting a specimen not listed, please contact services@norgenbiotek.com and one of our representatives would be happy to make a recommendation.