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We offer ISO-accredited microbiological certified reference materials. Validated and traceable cultures are no more than two passages from the primary reference culture ensuring genetic traceability to the primary cell line. Each lyophilized culture is preserved in our proprietary Microgel-Flash™ quick dissolve matrix. Pellets dissolve instantly once hydrated. Manufactured and tested under ISO 17034 and 17025 accreditations.

Downloadable Certificates of Analysis are available from our website. Sold in packs of 10 individually vacuum sealed microorganism pellets. Stores in the freezer -20°C to -10°C. Product shelf life of 18 months from the manufacture date.

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Environmental

Robust - lyophilized technique ensures strong recovery even for 44.5 ºC coliform methods.

Pharmaceutical

Stable - hydrated samples can be used for up to 8 hours.

Food & Agriculture

Our organic standards, designed around the analytical needs and international methodologies, range from pesticide testing to target fragrance and flavor compounds.

Snap-Stick™ Cultures

Robust and traceable - derived from pure NCTC cultures and never more than 2 passages from the reference culture.

Unit Dose™ Microbiological Controls

Robust and traceable - never more than 2 passages from the primary NCTC culture.

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Microorganism

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SKU: UD-6017

Unit Dose™ Salmonella abony

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: UD-2599

Unit Dose™ Bacillus cereus

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: UD-25922

Unit Dose™ Escherichia coli

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: UD-2275

Unit Dose™ Aspergillus brasiliensis

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: UD-12697

Unit Dose™ Enterococcus faecalis

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: UD-12023

Unit Dose™ Salmonella enterica typhimurium (formerly #UD-14028)

  • CCL
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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: UD-11288

Unit Dose™ Listeria innocua

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: UD-10231

Unit Dose™ Candida albicans

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: UD-10006

Unit Dose™ Enterobacter aerogenes

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: UD-9027

Unit Dose™ Pseudomonas aeruginosa

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: UD-9001

Unit Dose™ Escherichia coli

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: UD-8739

Unit Dose™ Escherichia coli

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
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