The E. coli strain has a BSL 2 level for biosafety and is a pathogenic strain. Please access the BacDive database for additional information, such as metabolism, genome, and growth medium: https://bacdive.dsmz.de/strain/4907.
CRM09001L
Escherichia coli NCTC 9001 Lenticule® discs
30-120 CFU, suitable for microbiology, certified reference material, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
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Synonym(s):
E. coli NCTC 9001 Lenticule® discs, Escherichia coli NCTC 9001 Lenticule® discs, Certified reference material, Microbiological standards
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About This Item
NACRES:
NA.24
UNSPSC Code:
41116107
Pricing and availability is not currently available.
grade
certified reference material
Quality Segment
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
sustainability
Greener Alternative Product
application(s)
environmental
food and beverages, microbiology
greener alternative category
storage temp.
−20°C
suitability
Escherichia coli, Escherichia spp., coliforms
General description
Escherichia coli NCTC 9001 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 30-120 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.
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.
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Application
Escherichia coli NCTC 9001 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-month shelf life in standard -20 °C freezer
- Complete with comprehensive certificate of analysis
- No maintenance of stock cultures
- No recovery time or pre-enrichment step necessary
- Robust, efficient, and reliable
- Easy-to-use
- Cost-effective
Other Notes
Strain History - Accessioned into the NCTC in 1952 < Dr F. Kauffmann (Statens Seruminstitut, Copenhagen, Denmark). Isolated from human urine (case of cystitis), geographic origin unknown, before 1953.
Strain origin: NCTC 9001
Other cell culture collections:
DSM 30083
ATCC® 11775
CECT 515
Click here to access the BacDive database for more info on metabolism, genome, growth media, and more
Other cell culture collections:
DSM 30083
ATCC® 11775
CECT 515
Click here to access the BacDive database for more info on metabolism, genome, growth media, and more
Legal Information
ATCC is a registered trademark of American Type Culture Collection
Lenticule is a registered trademark of The Secretary of State for Health (United Kingdom)
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This Item | |||
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| description 30-120 CFU, suitable for microbiology, certified reference material, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland | description >100000 CFU, suitable for microbiology, certified reference material, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland | description 500-50000 CFU, suitable for microbiology, certified reference material, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland | description 30-120 CFU, suitable for microbiology, certified reference material, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland |
| grade certified reference material | grade certified reference material | grade certified reference material | grade certified reference material |
| manufacturer/tradename Manufactured by: Sigma-Aldrich Production GmbH, Switzerland | manufacturer/tradename Manufactured by: Sigma-Aldrich Production GmbH, Switzerland | manufacturer/tradename Manufactured by: Sigma-Aldrich Production GmbH, Switzerland | manufacturer/tradename Manufactured by: Sigma-Aldrich Production GmbH, Switzerland |
| agency ISO 17034, ISO/IEC 17025 | agency ISO 17034, ISO/IEC 17025 | agency ISO 17034, ISO/IEC 17025 | agency ISO 17034, ISO/IEC 17025 |
| suitability Escherichia spp., Escherichia coli, coliforms | suitability Escherichia spp., Escherichia coli, coliforms | suitability coliforms, Escherichia coli, Escherichia spp. | suitability coliforms, Escherichia coli |
| application(s) environmental | application(s) microbiology, environmental | application(s) microbiology, environmental | application(s) environmental |
| packaging pack of 10 | packaging pack of 10 | packaging pack of 10 | packaging package of 10 discs |
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Storage Class
11 - Combustible Solids
wgk
WGK 3
Regulatory Listings
Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.
CRM09001L-BULK: + CRM09001L-10EA: + CRM09001L-VAR: + CRM09001L-1VL:
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