Lyophilization: Why Research Peptides Are Freeze-Dried
What lyophilization (freeze-drying) is and why research peptides are supplied as a freeze-dried powder. A plain-language primer.
Lab & Handling
Reconstitution Math: Calculating Peptide Concentration
How to calculate peptide concentration after reconstitution: the formula, worked examples, and measuring a target amount. For research use.
Understanding Peptide Purity and HPLC Testing
What peptide purity means and how HPLC measures it, plus how purity differs from identity (mass spectrometry). A research primer.
Bacteriostatic vs Sterile Water for Peptide Reconstitution
Bacteriostatic vs sterile water for peptide reconstitution: the difference, when to use each, and how researchers choose a diluent.
Top 5 Peptide Storage Mistakes to Avoid
The top 5 research peptide storage mistakes — heat, freeze-thaw, light, moisture and labeling — and what to do instead to keep material stable.
What Is a Certificate of Analysis (COA) and How to Read It
What a peptide Certificate of Analysis (COA) reports and how to read it: identity by mass spec, purity by HPLC, batch matching, and more.
How to Reconstitute Lyophilized Peptides for Research
How to reconstitute lyophilized peptides for research: diluents, gentle technique, calculating concentration, and storing the solution.