CRM07464M
Bacillus cereus NCTC 7464 Lenticule® discs
500-50000 CFU, suitable for microbiology, certified reference material, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
Synonym(s):
B. cereus NCTC 7464 Lenticule® discs, Bacillus cereus NCTC 7464 Lenticule® discs, Certified reference material, Microbiological standards
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All Photos(5)
About This Item
UNSPSC Code:
41116107
NACRES:
NA.24
Recommended Products
grade
certified reference material
Quality Level
Agency
ISO 17034
ISO/IEC 17025
form
disc (hydrosoluble)
solid
shelf life
limited shelf life, expiry date on the label
packaging
pack of 10
manufacturer/tradename
Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
application(s)
environmental
food and beverages
microbiology
storage temp.
−20°C
suitability
Bacillus cereus
Bacillus spp.
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General description
Bacillus cereus NCTC 7464 Lenticule® discs are Certified Microorganisms Standards (Certified Microbiological Reference Materials) which can be used as quantitative and qualitative control organisms. They contain colony forming units (CFUs) in the range of 500-50000 CFU per disc. The technology allows long-term conservation and renders the organisms resistant to temperature changes. They are intended to be used as daily internal quality control organisms. These microorganisms are certified according to ISO/IEC 17025 and produced under reproducible conditions compliant with ISO 17034 using authenticated strains from NCTC. These ready-to-use microbiological controls minimize the need to maintain control strains in the test laboratory and guarantee an authenticated control culture for every quality control test. Lenticule® discs are prepared from a traceable culture obtained freeze-dried from the National Collection of Type Cultures (NCTC) or National Collection of Pathogenic Fungi (NCPF) and are manufactured by Sigma-Aldrich under license from UK Health Security Agency.
Application
Bacillus cereus NCTC 7464 Lenticule® discs are used as reference strains in routine quality control for food, beverage, water, and environmental testing. Additionally, they are excellent for use in method development and validations, as starter cultures, and for use in research studies and educational purposes.
Features and Benefits
- Ready-to-use at convenient CFU ranges
- No dilution required
- Quick rehydration in 10 minutes
- At least 16 months of shelf life in a standard -20 °C freezer
- Complete with a comprehensive certificate of analysis
- No maintenance of stock cultures
- No recovery time or pre-enrichment step is necessary
- Robust, efficient, and reliable
- Easy-to-use
- Cost-effective
Other Notes
Strain origin: NCTC 7464
Other cell culture collections:
Other cell culture collections:
- DSM 9378
- ATCC® 10876
- CECT® 131
Strain History - Accessioned into the NCTC in 1948 < American Type Culture Collection (as ATCC 10876) < Northern Regional Research Laboratory (US Department of Agriculture, Peoria, Illinois, USA). Isolated from contaminated flask, geographic origin unknown, before 1949.
Legal Information
ATCC is a registered trademark of American Type Culture Collection
CECT is a registered trademark of Universitat de Valencia
Lenticule is a registered trademark of The Secretary of State for Health (United Kingdom)
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
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