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Biological Indicators

A selection of resources to help you understand how a biological indicator works.

Reading a D-value

Bioquell shows how the D-value is used to test the resistance/performance of the Bioquell HPV-BI biological indicators




A Day in the Life of a Bioquell Laboratory Technician

Our lab technician is key to ensuring product quality remains high with good levels of stock, find out more about a… Read more

What is a D-value and why is it important?

Biological Indicator (BI) D-value is a measure of the time (in minutes) it takes to cause a 1 log reduction in the… Read more

What makes a gold standard biological indicator

Biological indicators use live bacterial and as such there are many factors which can affect the quality of the products… Read more

How easy is it to enumerate your biological indicator?

To enumerate a biological indicator is to ascertain the number of spores or microbes present and can be a process as… Read more