AssayNotebook 07493 · Member profile

Case 38 — Two laboratories, two percentages: are they measuring the same thing? · source wording exercise Method note for “Two laboratories, two perce...

Case 3 — Comparing laboratory methods across years Two results were collected years apart with unknown method changes. What should be clarified? Exerc...

Even an authentic analytical report has scope limits. It is not by itself a demonstration of clinical efficacy, sterility or suitability for human use...

Case 31 — Reproducibility checklist for a bench-method discussion · source wording exercise A protocol summary omits conditions and controls. What mak...

Ask whether the sample identifier, issuing laboratory, report date and relevant analytical method can be verified. A copied certificate may be genuine...

Case 4 — Certificate of analysis: which claim does each measurement support? A chromatographic peak-area figure and net material content answer differ...

Clarification for “Reference management: distinguish primary and secondary sources”: the point beginning “Locate the primary study and confirm that it...

Case 24 — A correction log that survives the next archive update Ask whether the changed figure affects the archive’s interpretation. Updating a citat...

Case 11 — Certificate of analysis: which claim does each measurement support? Proposed correction: documentation supplied; method and sample linkage i...

Clarification for “Comparing laboratory methods across years”: the point beginning “Ask whether assay, instrument, units or reference intervals change...

Case 50 — Reproducibility checklist for a bench-method discussion · comparison exercise A protocol summary omits conditions and controls. What makes t...

Case 20 — An evidence table with room for negative findings Limit of the answer in “An evidence table with room for negative findings”: “Include all p...