Four ways a peptide comes apart
We describe each pathway in enough chemical detail to explain why it is invisible to the method the trade uses, because that is the part which has practical consequences.
Ruslan Yevtushenko
Page 12 of 13 of this archive, newest first.
Archive — page 12
258 piecesA supplier suspends shipping to South Africa after 14 consecutive customs detentions
The route did not close because of a rule about peptides.
Norway declines to reimburse liraglutide outside a specialist service
Efficacy was never the question in this appraisal. Duration of treatment was.
South Africa declines to reimburse liraglutide outside a specialist service
Efficacy was never the question in this appraisal. Duration of treatment was.
A supplier suspends shipping to France after 23 consecutive customs detentions
The route did not close because of a rule about peptides.
Brazil declines to reimburse tirzepatide outside a specialist service
Efficacy was never the question in this appraisal. Duration of treatment was.
A supplier suspends shipping to Mexico after 23 consecutive customs detentions
The route did not close because of a rule about peptides.
A supplier suspends shipping to Saudi Arabia after 19 consecutive customs detentions
The route did not close because of a rule about peptides.
Oxidation, and the peroxide that came in with the surfactant
The sequence predicts the failure mode. A methionine predicts oxidation; an asparagine followed by a glycine predicts deamidation; a cysteine predicts disulphide scrambling.
Ireland declines to reimburse liraglutide outside a specialist service
Efficacy was never the question in this appraisal. Duration of treatment was.
Why a result on one vial says less than the trade needs it to
What a laboratory can and cannot know about the provenance, storage history and representativeness of what lands on its bench.
Saudi Arabia declines to reimburse dulaglutide outside a specialist service
Efficacy was never the question in this appraisal. Duration of treatment was.
A supplier suspends shipping to Norway after 12 consecutive customs detentions
The route did not close because of a rule about peptides.
Sweden declines to reimburse semaglutide outside a specialist service
Efficacy was never the question in this appraisal. Duration of treatment was.
Sweden declines to reimburse dulaglutide outside a specialist service
Efficacy was never the question in this appraisal. Duration of treatment was.
A supplier suspends shipping to France after 3 consecutive customs detentions
The route did not close because of a rule about peptides.
France declines to reimburse liraglutide outside a specialist service
Efficacy was never the question in this appraisal. Duration of treatment was.
What a laboratory knows about the material it receives
The condition on arrival is recorded by some services and not others, and it is one of the more informative lines in a report.
A supplier suspends shipping to South Korea after 17 consecutive customs detentions
The route did not close because of a rule about peptides.
A supplier suspends shipping to South Korea after 6 consecutive customs detentions
The route did not close because of a rule about peptides.