Canada health authority warns on falsified liraglutide pens
Reported from the analysis, not from a warning notice.
Purity
Page 30 of 51 of this archive, newest first.
Holograms, QR codes and other things that are not verification
Reported from the analysis, not from a warning notice.
Nought point nine eight of a dalton: the modification that hides in plain sight
What would be needed to catch each of these, and what it would cost.
Holograms, QR codes and other things that are not verification
Reported from the analysis, not from a warning notice.
Bacteriostatic water, sterile water, and the 0.9 per cent that makes the difference
Every degradation pathway accelerates by orders of magnitude on reconstitution, because the solvent that lyophilisation removed is the reagent most of them need.
A number without a suitability record is a number from an unknown instrument
System suitability is the set of checks demonstrating that the instrument and method were performing adequately when your sample was injected. It is recorded as a matter of…
Independent analysis puts a WWB survodutide lot at 99.0%, against 97.4% on the certificate
The Journal submitted the sample and paid for the analysis. The vendor was told in advance.
Janoshik result on a Suzhou semaglutide lot lands 0.7 points below the supplier’s figure
The result is unremarkable. What the report omits is not.
Reproducibility, measured rather than assumed
The Journal submitted split samples from single lots to three assay services, under names unconnected to this publication, and published each method alongside each result.
Holograms, QR codes and other things that are not verification
Reported from the analysis, not from a warning notice.
Why a result on one vial says less than the trade needs it to
A result on one vial generalises to a batch only if the vial was drawn in a way that makes it representative — and nobody records how it was drawn.
Holograms, QR codes and other things that are not verification
Reported from the analysis, not from a warning notice.
Resolution, tailing, repeatability: the arithmetic before the result
System suitability is the set of checks demonstrating that the instrument and method were performing adequately when your sample was injected. It is recorded as a matter of…
Saudi Arabia health authority warns on falsified semaglutide pens
Reported from the analysis, not from a warning notice.
SGN declines, for the 17th time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Six words a verification badge would need to mean anything
What a verification mark would have to carry to be checkable: a date, a lot, a method, a submitter and a link to the report.
Counter-ion, water, salt: three masses with no chromatogram
An orthogonal method separates on a different physical principle, so that species co-eluting in the first are likely to resolve in the second. Two runs of the same method at…
GL Biochem declines, for the 14th time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Why a dead-clean sterile filter can pass pyrogen straight through
Bacterial endotoxin is a heat-stable lipopolysaccharide from the outer membrane of Gram-negative organisms. It survives sterilisation, passes a sterilising filter, and is…
Independent analysis puts a WWB mazdutide lot at 98.5%, against 97.3% on the certificate
The Journal submitted the sample and paid for the analysis. The vendor was told in advance.