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Research Library

Methodology, trial data, and compound reference. Indexed to the primary literature. Free to read.

Testing & Methods

P-Values and Effect Sizes in Peptide Research, Explained

P-values explained: what they mean, common misreadings, effect sizes, confidence intervals, and why this matters when evaluating peptide research studies.

Jul 2026 · 13 min read
Testing & Methods

In Vitro vs. In Vivo Research: What It Means

In vitro vs. in vivo research: what each model can prove, why cell-assay potency does not equal in-vivo efficacy, and how to read peptide evidence correctly.

Jul 2026 · 10 min read
Testing & Methods

HPLC Purity Testing: How Peptide Purity Is Measured

How reverse-phase HPLC measures peptide purity via peak area %, what 98% purity means, and why mass spec confirms identity. Analytical-chemistry reference.

Jul 2026 · 8 min read
Testing & Methods

Amino Acid Sequencing: Edman Degradation vs MS/MS

COA & Testing Amino Acid Sequencing: Edman Degradation vs MS/MS Evidence-Tiered5 min readResearch use only Quick AnswerTwo methods read a peptide's amino acid sequence. Edman degradation…

Jul 2026 · 4 min read
Testing & Methods

HPLC Purity vs Mass Spec Identity: What Each Proves

COA & Testing HPLC Purity vs Mass Spec Identity: What Each Proves Evidence-Tiered5 min readResearch use only Quick AnswerHPLC and mass spectrometry are not interchangeable. HPLC…

Jul 2026 · 4 min read
Testing & Methods

How to Read a Peptide Certificate of Analysis (COA)

COA & Testing How to Read a Peptide Certificate of Analysis (COA) Evidence-Tiered4 min readResearch use only Quick AnswerA peptide Certificate of Analysis documents the results…

Jul 2026 · 4 min read