elisa
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Gluten Testing: Where the Twenty Parts Per Million Came From
The twenty parts per million limit is not a measure of zero gluten. It comes from dose-response research and from the practical limits of the assays…
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Allergen Testing and the May Contain Label Problem
A may contain warning is not a test result. In most places it is a voluntary sentence a manufacturer chose to print, with no required measurement…
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ELISA: The Workhorse Immunoassay Explained Step by Step
Four ELISA formats share the same plate and the same colour change but measure quite different things, and knowing which one a kit uses changes how…
