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Simplicity at its finest – qualitative control strains for QC testing.


It doesn’t get much easier than this. Simply rehydrate LYFO DISK qualitative microorganism pellets with a diluent, such as phosphate buffer or saline, and you’re ready to inoculate your culture media. LYFO DISK, packaged in a glass vial containing 6 pellets of a single strain, offers a ton of flexibility. It's an ideal solution for many quality control applications including presence/absence testing, microbial identification methods, antimicrobial susceptibility testing, media QC, water testing and more!


  • Accredited reference material under ISO 17034 standard

  • Over 900 strains available

  • Easy to use – simply re-hydrate the pellet and inoculate

  • Strains are less than or equal to three passages from reference culture

  • Ready-to-use format saves time and money

  • Refrigerated storage is easy and economical

  • Online Certificate of Analysis provides detailed strain information

  • Traceability to reference cultures ensures authenticity

  • Technical Support experts available for guidance

  • Product warranty

Applications and Test Methods

  • Culture Purposes

  • Media and reagent QC

  • QC of Antimicrobial Susceptibility Test

  • QC of microbial identification including biochemical, PCR and rapid molecular methods

  • Water tests (e.g. enzyme substrates)

  • Disinfectant studies

  • Verifications and Validations

  • Proficiency tests

  • Daily QC

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