Why VendorInvestigate can tell you the mass is right and not that the sequence is
The Journal’s standing position: a mass that matches is necessary evidence of identity and nowhere near sufficient.
Laboratory Notebook in 2026
Page 3 of 3 of this archive, newest first.
Reading HbA1c in the presence of anaemia
HbA1c integrates roughly three months of glycaemia with the most recent weeks weighted most heavily. Almost every misreading of it is a misreading of that weighting.
Why TFC can be entirely straightforward and still tell you nothing about bioburden
The Journal has read several hundred certificates from twenty companies. We set out what the documents actually cover, and what a reader is filling in from imagination.
What changed after we published the first version of this
None of what this piece asks for is commercially sensitive, and all of it is already known to whoever released the batch.
A reference interval is not a target, and a result outside one is not a diagnosis
A twelve-analyte panel in a perfectly healthy person has roughly even odds of producing at least one flagged result.