How to Read an HPLC Chromatogram: A Peptide Buyer’s Guide
How to read an HPLC chromatogram: retention time, peak area, baseline and purity, what impurity peaks usually mean, and red flags on a peptide COA.
Archive
Tag: Laboratory Methods
Laboratory methods and calculations used when working with research peptides in vitro.
Clinical Trial Phases Explained: From Phase 0 to Phase IV
Clinical trial phases explained: what each phase tests, how often drugs pass each stage, how Canada authorizes trials, and what it means for peptides.
How to Read a Peptide Study: Cell, Animal and Human Evidence Explained
How to read peptide research: what cell, animal and human studies can and can't show, why mouse results often fail in people, how to read a paper, and red flags in peptide claims.
How to Read a Peptide Mass Spectrum: Charge States, Isotopes and Adducts
How to read a peptide mass spectrum: what m/z means, why one peptide shows several peaks, isotope spacing, deconvolution, adducts, and what mass spec can't tell you.
Peptide Calculator: Concentration, Molarity and Dilution
Free peptide calculator for lab solutions: work out concentration, molarity and dilutions from mass, molecular weight and volume, with worked examples.
