Culture Collections

How to open and grow freeze-dried NCTC strains


How to open glass ampoules - HOMEPAGE


We now have more information to help you open National Collection of Type Cultures (NCTC) glass ampoules containing freeze-dried NCTC bacterial strains.  The guidance includes a video and step by step photos.  NCTC introduced freeze-drying strains in glass ampoules flamed-sealed under vacuum in the 1930s and the process is still considered to be the most reliable method for preserving and storing bacteria.       


How to open glass ampoules front page -ICONDownload the photo guide (opens in new window)


How to open glass ampoules film Watch a video of the process (opens in new window)

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