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安全信息

CRM07464M

Millipore

Bacillus cereus NCTC 7464 Lenticule® discs

500-50000 CFU, suitable for microbiology, certified reference material, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

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别名:
B. cereus NCTC 7464 Lenticule® discs, Bacillus cereus NCTC 7464 Lenticule® discs, Certified reference material, Microbiological standards

等级

certified reference material

质量水平

300

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

manufacturer/tradename

Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

application(s)

environmental
food and beverages
microbiology

储存温度

−20°C

适用性

Bacillus cereus
Bacillus spp.

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相关类别

一般描述

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.

应用

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.

特点和优势

  • 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

其他说明

Strain origin: NCTC 7464

Other cell culture collections:
  • DSM 9378
  • ATCC® 10876
  • CECT® 131
Click here to access the BacDive database for more info on metabolism, genome, growth media, and more
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.

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)

储存分类代码

6.2 - Infectious substances

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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Sucrose octa(N-ethyl)carbamate was synthesized directly from sucrose and ethyl isocyanate, and its structure was confirmed by various analytical methods, such as (1)H and (13)C NMR, FTIR, m.p., MS, and optical rotation. Its antibacterial, antifungal and cytotoxic activities were investigated. It
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