Research library

Written for the person running the assay

Chemistry, methodology and handling detail that changes results. Everything here stays on the laboratory side of the line — we publish no dosing guidance and make no health claims.

All articles Compliance1 Purity & Testing3 Peptide Science3 Lab Fundamentals4

Purity & Testing

How to Read a Peptide Certificate of Analysis (Without Taking It on Faith)

A COA is only as good as your ability to interrogate it. Here is what each section actually tells you — and the four red flags that should stop an order.

Aug 2, 20264 min read

Lab Fundamentals

Peptide Reconstitution: A Step-by-Step Laboratory Protocol

Most peptide is lost before the experiment starts. A careful reconstitution protocol — and knowing why each step exists — prevents it.

Jul 27, 20264 min read

Peptide Science

Why Research Peptides Ship as Powder: Lyophilization Explained

Freeze-drying is not a shipping convenience. It is the difference between a peptide with a two-year shelf life and one with a two-week one.

Jul 21, 20263 min read

Purity & Testing

HPLC and Mass Spectrometry: How Peptide Purity Is Actually Measured

Two techniques, two different questions. Knowing which answers which is the difference between reading a COA and understanding one.

Jul 15, 20263 min read

Lab Fundamentals

Storage and Stability: Keeping Research Peptides Viable

Temperature, light, oxygen, pH and freeze-thaw cycles. Five variables, one shelf life — and a storage decision tree you can pin above the freezer.

Jul 9, 20263 min read

Peptide Science

Peptide Nomenclature: Reading Sequences, Modifications and Names

Ac-, -NH2, D-Phe, Aib, PEG. The shorthand on a spec sheet encodes real chemistry — here is how to decode it.

Jul 3, 20264 min read

Lab Fundamentals

Bacteriostatic vs Sterile Water: Choosing the Right Diluent

One contains benzyl alcohol and one does not. That single difference decides how many times you can enter the vial — and whether your assay survives.

Jun 27, 20263 min read

Peptide Science

GLP-1, GIP and Glucagon: Understanding Incretin Receptor Pharmacology

Mono-, dual- and triple-agonists are the most active area in metabolic research. Here is the receptor biology that makes them interesting.

Jun 21, 20264 min read

Compliance

Research Use Only: What RUO Actually Means

RUO is not a disclaimer suppliers add for decoration. It is a regulatory classification with real obligations on both sides of the transaction.

Jun 15, 20264 min read

Lab Fundamentals

Cold Chain for Peptide Shipping: What Actually Matters

Dry peptides are more travel-tolerant than most people assume — but the exceptions are the expensive ones.

Jun 9, 20264 min read

Purity & Testing

Designing a Dose-Response Study for Peptides In Vitro

Concentration ranges, vehicle controls, adsorption losses and the curve-fitting decisions that quietly determine your EC50.

Jun 3, 20264 min read