The Peptide Confidential journal
Evidence, made clearer.
Practical guides to reading laboratory documents and making better-informed research procurement decisions.
Find the guide you need.
- Analytical evidencePeptide Reference Standards vs Research-Grade PeptidesChoose peptide materials by analytical role. Understand reference standards, certified properties, uncertainty and traceability before selecting a calibrant.
- Analytical evidenceKPV Sequence and Terminal Modifications: Define the Material Before Comparing ItRead KPV as a defined chemical structure: Lys-Pro-Val sequence, terminal groups, stereochemistry and salt form. Resolve naming differences before comparing research materials.
- Analytical evidenceMOTS-c Sequence Verification: What a Mass Match Can EstablishDefine the MOTS-c sequence before reading analytical evidence. Understand mass conventions, sequence coverage and the specific isoleucine/leucine limitation.
- Analytical evidenceEpitalon vs Epithalamin: Two Different Material DescriptionsSeparate Epitalon and Epithalon spelling variants from Epithalamin, an extracted polypeptide complex, before comparing laboratory materials.
- Analytical evidenceCJC-1295 With DAC vs No DAC: Check the Material IdentifiersSeparate DAC modification, peptide sequence, salt form and blend identity when comparing CJC-1295 laboratory materials and analytical records.
- Analytical evidenceHow to Check a Laboratory Accreditation ClaimCheck the laboratory, site, accreditation status and relevant test scope. Keep ISO/IEC 17025, ISO 9001 and GLP claims separate.
- Analytical evidenceSample, Batch and Vial Scope in Laboratory ResultsMap a tested sample to its supplier lot and received vial. Check the sampling basis before extending a laboratory result to a wider group of material.
- Analytical evidenceRead Peptide Blend Evidence One Component at a TimeBuild a component-level record for a peptide blend. Keep amounts, purity, source fields and summary gaps separate without inventing an overall result.
- Analytical evidenceWhat an Additional Peptide Laboratory Check Can ResolvePlan an additional peptide laboratory check around a clear question, sample and comparison basis. Understand what a second result can and cannot resolve.
- Analytical evidenceHow to Read a Peptide Certificate of AnalysisRead a peptide COA by matching the sample to the offered batch, separating analytical findings and recording what the document does not establish.
- Analytical evidencePeptide Purity, Identity and Content ExplainedUnderstand peptide identity, chromatographic purity and content, and keep labelled quantities separate from measured amounts when reading a report.