Roth Bioscience LLC

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31st January 2023  Content supplied by: Roth Bioscience, LLC

Improved R-CARD® Yeast and Mold Ideally Suited for Monitoring Mold Hazard in Premises

In residential and commercial premises, the presence of certain molds, such as Penicillium, Aspergillus, and Stachybotrys, (which is the black mold responsible for the current huge commercial interest in home contamination) may produce severe allergies and diseases in the building occupants.

A large service industry has now developed around the detection and elimination of these types of molds. The Roth Bioscience Mold test has been specially designed for commercial remediation services that need to easily identify the presence of molds in an environment and verify that work undertaken has restored a safe environment for persons in their homes or workplaces.

Since they are supplied as ready-to-use media in plates, the preparation and QC of media is eliminated. The Roth Bioscience Mold test incorporates a dye that will give a green or teal color to colonies of yeast and mold, plus an inhibitor to eliminate the growth of non-target organisms such as bacteria.

How to Test Air Quality using R-CARD® Yeast and Mold?

  • Lift the top piece of the R-CARD®. Pipette 2 ml sterile water onto the circular pad on the bottom of the R-Card.
  • Any mold spores present in the air will settle during the chosen exposure time and adhere to the moistened absorbent pad.
  • After exposure, 1 ml of sterile water is pipetted onto the pad, which contains ready-to-rehydrate media, and the top piece is loosened and allowed to flop over onto the wet pad. Liquid automatically spreads laterally within 1 minute.
  • Incubate the card at 25-30°C for 24-72 hours.
  • Count the number of green/teal colonies detected on the card between 24-72 hrs incubation and record the results.

Ideal Applications Include:
- Air Monitoring
- Food and Beverage
- Bottled Water
- Cosmetics and Personal Care Products
- Pharmaceutical
- Education


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Date Published: 31st January 2023

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