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Merck
CN

CRM09001H

Millipore

Escherichia coli NCTC 9001 Lenticule® discs

>100000 CFU, suitable for microbiology, certified reference material, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

别名:

E. coli NCTC 9001 Lenticule® discs, Escherichia coli NCTC 9001 Lenticule® discs, Certified reference material, Microbiological standards

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About This Item

UNSPSC代码:
41116107
NACRES:
NA.24

等级

certified reference material

质量水平

Agency

ISO 17034
ISO/IEC 17025

形式

disc (hydrosoluble)
solid

保质期

limited shelf life, expiry date on the label

包装

pack of 10

制造商/商品名称

Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

应用

environmental
food and beverages

microbiology

储存温度

−20°C

适用性

Escherichia coli
Escherichia spp.
coliforms

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一般描述

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 >100000 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.

应用

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 research studies and educational purposes.

特点和优势

  • Ready-to-use at convenient CFU ranges
  • No dilution required
  • Quick rehydration in 10 minutes
  • At least 16-month 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

其他说明

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
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.

法律信息

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)

WGK

WGK 3

法规信息

高风险级别生物产品--病毒,疫苗等

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