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GeneFix RNA Saliva Collectors

RFS - RNA Stabilization Buffer


Starting at: $217.00

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Our RNA Stabilization Buffer, included in the GeneFix RNA Saliva Collectors, is now available supplied for use with buccal swabs. The buffer preserves RNA for 2 weeks at room temperature. This buffer should be used with flocked swabs with a snappable shaft.

This buffer can be purchased in two formats:

  • RFS/S1/05/50 – buffer comes pre-filled in 2ml tubes, each containing 0.5ml of buffer. To use, simply snap the swab head off into the tube and securely seal the tube with the included Sarstedt screw cap. 50 tubes are included.

  • RFS-25 – buffer is supplied in a bottle with enough buffer for 50 swabs. 

Both formats include Proteinase K and a precipitation reagent.



  • Stabilizes RNA for 2 weeks at room temperature
  • For use with flocked swabs
  • Includes Proteinase K and precipitation reagent for processing



  • RNA stabilization 



  • RFS/S1/05/50 - 2ml tubes pre-filled with 0.5ml RNA stabilization buffer, with Sarstedt 2ml screw cap x 50, with Proteinase K and precipitation reagent

  • RFS-25 – bulk bottle of RNA stabilization buffer sufficient for 50 swabs, with Proteinase K and precipitation reagent

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