INSIGHTS / PEPTIDE ANALYTICS
A clearer view of peptide testing.
Practical sample guidance, result interpretation and notes on analytical methods. References stay close to the facts.
Methods reading note: the different roles of Q2(R2) and Q14
Separating method validation from method development helps frame better analytical questions. This is a reading note on existing guidance, not a new regulatory announcement.
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Reading a peptide COA: verify the sample before the numbers
Check identifiers, methods, units, issue date and revision in order to keep the results in context.
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A practical checklist before submitting a peptide sample
Clear sample identifiers, modification details and handling records help the laboratory agree the method and shipping requirements.
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Peptide purity and content: why one percentage is not enough
Chromatographic purity, net peptide content and target-peptide mass describe different properties. Start with the definition, method and units.
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