BiosistoStandard has the answer to your practical microbiological quality issues.

BiosistoStandard is a guide that quickly helps you find the necessary Certified Reference Materials for your quality program. The website gives you also a lot of practical information, photos, tips & tricks that can help you optimize the quality of the analysis.

The recommended Certified Reference Materials for performance testing suggestions are a Biosisto interpretation of the ISO 11133 and the corresponding analysis standard. The suggested strain(s) has to be used as a minimum.

Do you have helpful information that other labs should know? Feel free to share this on this website so that other laboratories can take advantage of this.

Latest articles

Horizontal method for the detection, enumeration and serotyping of Salmonella Part 1: Detection of Salmonella spp. Part 2: Enumeration by a miniaturized most probable number technique …

The property value on the Certificate of Analysis is, in most cases, performed according to a standard like ISO or NEN. Sometimes is no standard available, and a total count of micro-organisms is displayed using a non-selective media. This is the case with quality products and CRM with low concentrations, whereby besides the standard method …

Microorganisms can be divided and analyzed into the following categories and standards:   Category Treatment Min.°C Optimum.°C Max. °C Standard Psychrophilic cell – -15 10 20 – Psychrotrophic cell – -5 25 35 ISO 6222,  ISO 21527-1,  ISO 21527-2 Mesophilic cell Mesophilic spore – 10 min 80°C 10 35 45 ISO 4833-1,  4833-2 NEN 6813 …

Horizontal method for the detection of pathogenic Yersinia enterocolitica …

CRM-ABR.00053MM

Enumeration of yeasts and moulds using Symphony agar. …

Enumeration of colony-forming units of yeasts and/or moulds – Colony-count technique at 25 degrees C …

Horizontal method for the enumeration of yeasts and moulds – Part 2: Colony count technique in products with water activity less than or equal to 0,95 …

Horizontal method for the enumeration of yeasts and moulds – Part 1: Colony count technique in products with water activity greater than 0,95 …

1. Light sensitive When quality control shows less growth on the DRBC plates than expected, it can happen that the DRBC plates have been in the light for too long. When DRBC is exposed to light, this will result in the formulation of inhibitory compounds. Therefore keep the DRBC media in a dark and cool …

Horizontal method for the detection and enumeration of Listeria monocytogenes and of Listeria spp. Part 1: Detection method Part 2: Enumeration method …

The 3M Petrifilm E. coli/Coliform Count Plate is a sample-ready-culture-medium system …

The 3M Petrifilm Enterobacteriaceae is a sample-ready-culture-medium system …

Quality in Control

Microbiological laboratories should be able to receive reliable analysis without much overhead. A microbiological analyst must be able to focus on the primary activities, for example analysis of the sample material. Quality control should support the analyst in a logical and simple manner. By using modern information technology, process control and quality assurance are designed smarter and more effective.

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