等级
certified reference material
质量水平
Agency
ISO 17034
ISO/IEC 17025
表单
disc (hydrosoluble)
solid
保质期
limited shelf life, expiry date on the label
包装
package of 10 discs
制造商/商品名称
Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
sustainability
Greener Alternative Product
应用
environmental
food and beverages
microbiology
环保替代产品分类
储存温度
−20°C
适用性
Bacillus cereus
Bacillus spp.
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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 30-120 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 for maintaining control strains in the test laboratory and guarantee the use of 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 for maintaining control strains in the test laboratory and guarantee the use of 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.
We are committed to bringing you Greener Alternative Products. This product is a Design for Sustainability (DfS) developed product, which belongs to one of our four categories of greener alternatives. Click here to view its DfS scorecard.
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:
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.
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
11 - Combustible Solids
WGK
WGK 3
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