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Liofilchem® NCTC ® derived CultiControl™ Liophilised Organisms, 5 pellets
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Specifications:
| Application | Microbiology | ||
| Storage Temperature | Room Temperature | ||
| Product Type | Reference Strains | Forms | Pellets |
| Product Brand | Liofilchem | ||
| Product Grade | Microbiology grade | ||
Liofilchem® NCTC® CultiControl™ Lyophilized Organisms provide a convenient and reliable solution for microbiological quality control. Derived from certified strains listed in the National Collection of Type Cultures (NCTC®), these lyophilized pellets are designed to meet the stringent requirements of laboratories performing diagnostic, pharmaceutical, food safety, and environmental testing.
Key Features
- High-Quality Lyophilized Format:
- Organisms are freeze-dried for extended shelf life, ensuring viability and stability during storage and transport.
- Ready-to-use pellets minimize preparation time and reduce the risk of contamination.
- Authenticity:
- Derived directly from NCTC® strains, guaranteeing traceability and compliance with international standards.
- Applications:
- Designed for method validation, proficiency testing, and routine quality control across various industries.
- Compatible with media testing, antimicrobial susceptibility testing, and environmental monitoring.
- Packaging:
- Each vial contains 5 pellets of a single strain, ensuring ease of use and controlled dosing.
- Wide Organism Range:
- Includes clinically relevant and environmental organisms such as Salmonella spp., Escherichia coli, Staphylococcus aureus, and Pseudomonas aeruginosa.
- Selective strains for specialized testing, including antibiotic resistance studies and Gram-staining protocols.
- Storage Requirements:
- Powder is highly stable and hygroscopic, stored at 10-30°C in a dry, sealed environment to ensure long-term viability.
- Compliance:
- Follows ISO, FDA, and EU guidelines for microbiological testing and quality control.
How to Use
- Rehydration:
- Rehydrate one pellet in sterile water, saline, or appropriate growth medium.
- Cultivation:
- Plate the suspension onto growth media or inoculate into a liquid culture for incubation under recommended conditions.
- Testing:
- Use for testing, including media validation, identification assays, and susceptibility evaluations.
Comparison Between NCTC® and ATCC® Strains
| Feature | NCTC® (National Collection of Type Cultures) | ATCC® (American Type Culture Collection) |
|---|---|---|
| Origin | United Kingdom, established by Public Health England (PHE). | United States, non-profit repository for biological materials. |
| Primary Focus | Emphasis on pathogens and clinically significant organisms for diagnostic labs. | Broader scope, including environmental, industrial, and plant strains. |
| Regulatory Alignment | Meets UK and EU guidelines for medical microbiology and clinical diagnostics. | Frequently cited in FDA and US regulatory guidelines. |
| Range of Strains | Specializes in pathogenic and clinically relevant bacteria and fungi. | Offers a diverse range, including microorganisms for biotechnology and research. |
| Authentication | Strains are certified for use in clinical and public health applications. | Comprehensive certification for clinical, industrial, and research applications. |
| Availability | Widely used in Europe and regions following ISO standards. | Globally recognized and often preferred in the Americas. |
| Applications | Primarily for clinical diagnostics, proficiency testing, and antimicrobial studies. | Broader applications including environmental and pharmaceutical industries. |
Key Differences
- Regional Preference:
- NCTC®: Primarily used in laboratories adhering to European or UK standards.
- ATCC®: Preferred in North America and research-based applications.
- Strain Specialization:
- NCTC®: Strong focus on pathogenic organisms, particularly for clinical relevance.
- ATCC®: Offers a broader organism collection, including industrial and environmental strains.
- Cost:
- ATCC strains are generally more expensive compared to NCTC strains, which are tailored for specific diagnostic needs.
Benefits of Using NCTC® Strains in Liofilchem® CultiControl™
- High specificity for clinical applications.
- Ready-to-use lyophilized format eliminates preparation complexity.
- Compliance with ISO standards ensures robust quality control for global regulatory requirements.
- Trusted in clinical and diagnostic labs for reliable, reproducible results.
For labs requiring a broader range of strains for industrial or environmental studies, ATCC® strains may be preferable. However, for clinical diagnostics or proficiency testing under ISO or EU guidelines, NCTC® strains in the Liofilchem® CultiControl™ line offer unparalleled reliability and ease of use.
- Organism: Bacillus cereus NCTC 10320 Escherichia coli NCTC 11954 Neisseria gonorrhoeae NCTC 12700 Neisseria gonorrhoeae NCTC 8375 Neisseria meningitidis NCTC 10026 Streptococcus pyogenes NCTC 12696 Streptococcus salivarius subsp. thermophilus NCTC 12958 Micrococcus luteus NCTC 2665 Micrococcus luteus NCTC 7743 Moraxella (Branhamella) catarrhalis NCTC 11020 Campylobacter coli NCTC 11366
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