Norgen offers a full line of collection and preservation devices for stabilization of DNA at room temperature. Please see the table below for our recommendations based on your specimen type.
| Specimen | Collection and Preservation Device | DNA Preservation (Ambient Temperature) |
| Urine | Urine Collection & Preservation Tubes (cat.#18129/ 18113/ 18122/ 18118/ 18126) | DNA, RNA and proteins for over 2 years |
| Saliva | Saliva DNA Collection & Preservation Devices (cat.#RU49000) | DNA for over 6 years |
| Stool | Stool Nucleic Acid Collection & Preservation Tubes (cat.#45660) Stool Nucleic Acid Collection & Preservation System (cat.#63700) (home-based) |
DNA for over 2 years RNA for 7 days |
| Various (swab-based) | Swab Collection & DNA Preservation System (cat.#45690-B) - for skin, saliva, buccal, vaginal, nasal and surfaces Fecal Swab Collection & Preservation System (cat.#45670-B) |
DNA for over 2 years RNA for 7 days |