Laboratory journal
Analytical methodology, scientific history and how to read a certificate of analysis. Filter by category to jump straight to your topic.
RUO, marketing authorization, unlicensed practice of pharmacy: what the French regulatory framework actually says about research peptides, and where retatrutide stands.
Read the article →An endogenous copper-peptide complex capable of modulating the expression of several thousand genes in vitro: an overview of the literature devoted to GHK-Cu.
Read the article →A GHRH analog paired with a selective GH secretagogue: what the pharmacological literature documents on this widely studied combination in research.
Read the article →A heptapeptide devoid of corticotropic activity, studied for its influence on BDNF and NGF: an overview of the research literature on Semax.
Read the article →MC1R selectivity versus non-selective MC1R/MC3R/MC4R activation: an editorial comparison of two analogs of the melanotropic hormone studied in research.
Read the article →Major intracellular redox buffer, enzymatic cofactor, oxidative stress marker: glutathione is one of the most studied tripeptides in cell biology.
Read the article →GHK-Cu, BPC-157, TB-500 and KPV combined in a single protocol: why the literature studies these four mechanisms as complementary rather than redundant.
Read the article →An acylated, stabilized analog of human amylin, cagrilintide is studied for its non-selective activation of AMY receptors and its half-life compatible with weekly protocols.
Read the article →An active fragment of the KISS1 protein, this decapeptide is described in the literature as the upstream trigger of pulsatile GnRH secretion.
Read the article →A triple GLP-1/GIP/glucagon agonist still in phase 3 clinical trials: editorial synthesis of what the published pharmacological literature documents on retatrutide.
Read the article →Angiogenesis, cell migration, rodent models: what the published preclinical literature documents on BPC-157 and TB-500 — two peptides frequently studied together.
Read the article →Less well known than its cousin GHK-Cu, AHK-Cu is studied for its action on the hair follicle and the extracellular matrix: an overview of the research literature.
Read the article →Protected against DPP-IV degradation, this GHRH analog has been the subject of published clinical trials on visceral adipose tissue: a review of the literature.
Read the article →An obligatory substrate for sirtuins and PARPs, NAD+ declines with age: a review of the research literature on this central coenzyme of energy metabolism.
Read the article →Derived from Melanotan II but designed to reduce the pigmentary effect, PT-141 illustrates the logic of receptor selectivity in melanocortin pharmacology.
Read the article →Beyond its role in social behavior, oxytocin also acts on the uterus, mammary glands, and bone metabolism: an overview of the research literature.
Read the article →With no direct affinity for the GABA-A receptor but capable of potentiating GABAergic transmission: what the literature documents about Selank.
Read the article →Originally isolated from the blood of rabbits in deep sleep, DSIP is studied for its influence on delta waves, the stress axis, and oxidative stress.
Read the article →Inspired by a pineal extract, this four-amino-acid tetrapeptide is studied for its influence on telomerase expression and cellular senescence.
Read the article →Three amino acids, no melanocortin affinity, but a reported action on the inflammatory NF-κB pathway: what the literature documents about KPV.
Read the article →From Emil Fischer's early work to Merrifield's solid-phase synthesis: a scientific overview of peptides used in basic research.
Read the article →Encoded not by the nucleus but by mitochondrial DNA itself, MOTS-c illustrates a recent discovery in metabolic biology: the mitochondrion as a source of signaling peptides.
Read the article →By mimicking a fragment of the SNAP-25 protein, this synthetic peptide is studied for its interference with calcium-dependent neuronal exocytosis.
Read the article →Concentration, solvent volume, graduated syringe units: the methodology behind the dilution calculation for reconstituting a lyophilized peptide, without dosage recommendations.
Read the article →N-terminal acetylation and C-terminal amidation: two classic chemical modifications applied to Selank to extend its half-life in in vitro protocols.
Read the article →Chromatography, mass spectrometry, independent verification key: what a Janoshik CoA actually demonstrates and why it matters.
Read the article →Why a lyophilized peptide remains stable for months while a solution degrades within weeks. A physicochemical look at preservation.
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