The Lab Notes
Weekly summaries of the peer-reviewed peptide research literature — biochemistry, receptor pharmacology, and preclinical models. Written at the research-education level for qualified researchers and the wider scientific community.
A fresh peptide-research article every week, plus the top 3 Lab Notes each Monday. Unsubscribe anytime.
How to Read a Certificate of Analysis for Peptides: HPLC and Mass Spec Explained
A line-by-line guide to interpreting a peptide COA — reading HPLC purity peaks, verifying molecular weight by mass spectrometry, and checking water, counterion, and endotoxin data.
CJC-1295 and Ipamorelin: A Comparative Review of Research Applications
A technical review of the CJC-1295 and Ipamorelin research blend — receptor pharmacology, synergy in bench models, chemical properties, and stability requirements.
Retatrutide Phase 3 Update: Triple-Agonist Class Advances
Second-quarter 2026 readouts on the GLP-1/GIP/glucagon tri-agonist and what it means for incretin pharmacology research.
CagriSema: The Amylin/GLP-1 Co-Formulation Research Landscape
A June 2026 look at cagrilintide and semaglutide co-formulation research and dual-hormone pharmacology.
Tesamorelin and GHRH-Analog Research: 2026 Preclinical Updates
Recent preclinical work on GHRH analogs and the growing focus on central nervous system endpoints in animal models.
Kisspeptin and the HPG Axis: A 2026 Research Review
How the kisspeptin/KISS1R system continues to shape reproductive neuroendocrinology research this year.
Melanocortin MC4R Ligand Research: What's New in 2026
The MC4R-agonist research field in early 2026, from selective analogs to biased signaling studies.
GHK-Cu Copper Peptide: 2026 Research Literature Roundup
New in-vitro work on the tripeptide-copper complex published in the last three months.
Peptide Reconstitution Basics
How bacteriostatic water and proper aseptic technique impact your research vial's stability.
How To Read a Certificate of Analysis
The four numbers on every COA that separate a real supplier from a fake one.
Why Cold-Chain Shipping Matters
Temperature excursions during shipping can degrade sensitive peptides before they reach your bench.
The GLP Peptide Family Explained
GLP-1, GLP-2, and the emerging class of tri-agonists — a plain-language overview.
BPC-157: A Research Literature Summary
Key preclinical findings on the pentadecapeptide and open research questions.
Storing Lyophilized Peptides Long-Term
Freezer, fridge, or bench? The correct storage protocol for each state.
Bacteriostatic vs. Sterile Water: Diluent Selection for Peptide Reconstitution
How diluent choice affects peptide stability, sterility, and multi-use vial lifetime in laboratory work.
HPLC Purity vs. Mass Balance: What a COA Number Actually Means
Why a 99% HPLC purity figure is not the same as 99% peptide content — and how to read a COA correctly.