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Latest Articles
Educational and research-focused writing from the HPLC Peps blog.
Peptide Reconstitution Maths: Calculating Concentration and Reconstitution Volumes
A practical laboratory guide to calculating peptide concentration after reconstitution, working out injection-equivalent research volumes, and avoiding the most common dilution errors.
Read article Lab VerificationLyophilisation Explained: Why Research Peptides Ship as Freeze-Dried Powder
An overview of the freeze-drying process used to stabilise research peptides, why it preserves integrity better than liquid storage, and what happens at the molecular level during sublimation.
Read article Lab GuidesThe Peptide Cold Chain: Temperature Stability From Synthesis to Bench
How temperature is controlled across the peptide supply chain, why cold-chain logistics preserve research-grade integrity, and what to check when a shipment arrives at your laboratory.
Read article Lab VerificationReading an HPLC Chromatogram: Peaks, Retention Times, and Purity
A laboratory guide to interpreting the HPLC chromatogram on a peptide certificate of analysis — what the main peak, retention time, and impurity peaks tell you about purity.
Read article Lab VerificationPeptide Batch-to-Batch Variability: Why Lot Numbers Matter
Why every batch of a research peptide is unique, how lot numbers link a vial to its certificate of analysis, and why researchers should record batch identifiers for reproducibility.
Read article Lab GuidesBacteriostatic Water vs Sterile Water: Why 0.9% Benzyl Alcohol Matters
The difference between bacteriostatic water and plain sterile water for reconstitution, what 0.9% benzyl alcohol does, and how to choose the right diluent for laboratory peptide work.
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