Analytical research briefs written at the bench — compound guides, methodology, purity standards, and receptor pharmacology.
Lab Notes is a free educational resource for researchers working with peptide reagents. The archive covers synthesis methodology, COA interpretation, HPLC purity standards, and compound-specific pharmacology overviews. Each note is written for graduate-level analytical readers and grounded in the in-vitro and animal-model literature.
How to interpret HPLC purity, mass-spectral identity, residual solvent panels, and endotoxin numbers on a peptide COA as analytical evidence rather than marketing copy.
Impurity profiles, synthesis byproducts, and inadequate reference-standard validation quietly degrade analytical reproducibility in peptide research.
Current in-vitro literature on MOTS-c, humanin, the SHLP family, and intersecting NAD+ coenzyme biochemistry in cellular research models.
In-vitro receptor pharmacology of mono-, dual-, and tri-agonist research peptides across the GLP-1, GIP, and glucagon receptor classes.
How chain-of-custody documentation and digital COAs close the gap between synthesis batch and bench delivery for analytical peptide reagents.
Angiogenic signaling, actin sequestration, and extracellular matrix pathway analysis across recent in-vitro and animal-model literature.
An analytical overview of TRZ-2 as a research-grade dual incretin receptor reagent for in-vitro pharmacology studies of GLP-1R and GIP-R signaling cascades.
Analytical overview of RT-3 as a research-grade tri-agonist peptide reagent across GLP-1, GIP, and glucagon receptor classes for in-vitro pharmacology.
Analytical overview of semaglutide as a long-acting GLP-1 receptor reference peptide for in-vitro pharmacology research and dual/tri-agonist comparison.
Analytical overview of BPC-157 as a research-grade pentadecapeptide for in-vitro angiogenic, extracellular matrix, and growth-factor signaling studies.
Analytical overview of TB-500 as a research-grade synthetic fragment for in-vitro studies of actin sequestration, cytoskeletal dynamics, and migration assays.
Analytical overview of NAD+ and its precursor pool (NMN, NR) in cellular signaling, sirtuin biochemistry, and mitochondrial proteostasis research.
Analytical overview of MOTS-c as a research-grade mitochondrial-derived peptide for in-vitro AMPK pathway, glucose-handling biochemistry, and signaling studies.
Research overview of BPC-157, a 15-residue pentadecapeptide reagent used in in vitro studies of angiogenic and cytoprotective cellular signaling pathways.
Research overview of Semaglutide, a 31-residue GLP-1 receptor analog used as an analytical reference compound in in vitro incretin receptor pharmacology studies.
Research overview of TB-500, a synthetic Thymosin Beta-4 active fragment used in in vitro cytoskeletal signaling and actin-binding kinetics research.
Research overview of NAD+, a pyridine nucleotide coenzyme used in in vitro studies of cellular redox biochemistry and sirtuin-dependent enzyme kinetics.
Research overview of Ipamorelin, a selective pentapeptide ghrelin-receptor reagent used in in vitro GHS-R1a receptor pharmacology research.
Research overview of GHK-Cu, a copper-binding tripeptide reagent used in in vitro studies of copper-ion biochemistry and cellular signal transduction.
Research overview of Tesamorelin, a 44-residue GHRH receptor analog used as an analytical reference compound in in vitro GHRH receptor binding research.
Research overview of CJC-1295 without DAC, a 30-residue GHRH analog used in in vitro studies of GHRH receptor pharmacology and signaling kinetics.
Research overview of MOTS-c, a 16-residue mitochondrial-derived peptide used in in vitro studies of AMPK pathway activation and mitochondrial-nuclear signaling.
Research overview of AOD-9604, a synthetic 16-residue hGH C-terminal fragment used as an analytical reagent in in vitro biochemistry studies.
Research overview of TRZ-2, a 39-residue dual incretin receptor research peptide used as an analytical reagent in in vitro GLP-1 and GIP receptor pharmacology.
Research overview of RT-3, a 39-residue triple receptor research peptide used as an analytical reagent in in vitro multi-receptor incretin signaling research.
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