Analyzes not linked to a standard on the Certificate of Analysis

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 …

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ISO 19344 flow cytometry method

ISO 19344 Starter cultures, probiotics, and fermented products – Quantification of lactic acid bacteria by flow cytometry. For different applications Biosisto measures alive and dead cells according to ISO 19344 protocol B using SYTO® 24 (green fluorescent cell-permeant nucleic acid stain) and PI (Propidium iodide is a red-fluorescent nuclear and chromosome counterstain. According to ISO …

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Instruction how to use CRM-BRETT using the Cyflow BrettCount kit from Sysmex

The CRM-BRETT is designed for internal quality control for the analysis of Brettanomyces bruxellensis in wine using the Cyflow BrettCount kit from Sysmex. The reference material contains alive Brettanomyces bruxellensis. With this Certified Reference Material, the entire analysis is checked for correctness, such as the work-up, staining, and the final analysis with the flow cytometry. …

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Biosisto - 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.

Biosisto b.v.
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