Merck
CN

VT000213

Millipore

Listeria monocytogenes serovar 4b WDCM 00021 Vitroids

80-130 CFU mean value range, certified reference material, suitable for microbiology, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

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别名:
Certified reference material, Microbiological standards, Listeria WDCM 00021 Vitroids
NACRES:
NA.24

等级

certified reference material

质量水平

Agency

ISO 17034
ISO/IEC 17025

形式

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

应用

environmental
food and beverages

microbiology

储存温度

−20°C

适用性

Listeria monocytogenes
Listeria spp.

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一般描述

Listeria monocytogenes serovar 4b WDCM 00021 Vitroids 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 80-130 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 CECT®. 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.

Vitroids are derived from a traceable culture obtained freeze-dried from CECT®.

应用

Listeria monocytogenes serovar 4b WDCM 00021 Vitroids 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
  • 2-3 years 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: CECT® 935

Other cell culture collections:

  • DSM 27575
  • ATCC® 13932
  • NCTC 10527
Click here to access BacDive database for more info on metabolism, genome, growth media and more
Strain History: < CIP, 1959 < H. Seeliger

法律信息

Derived from CECT® strains
ATCC is a registered trademark of American Type Culture Collection
CECT is a registered trademark of Universitat de Valencia
Vitroids is a trademark of Merck KGaA, Darmstadt, Germany

储存分类代码

6.2 - Infectious substances

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

法规信息

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