Storing Peptides

Peptide Storage & Handling

Proper peptide storage helps preserve integrity and reproducibility in laboratory work by reducing degradation pathways such as moisture uptake, oxidation, and repeated temperature cycling. :contentReference[oaicite:0]{index=0}

Important: Content on this page is provided for informational and educational purposes only. All materials offered on this site are intended strictly for in vitro laboratory research use. Not for human or animal consumption, clinical use, diagnostic use, or therapeutic use.

Quick Reference

  • Keep dry, cool, and protected from light. :contentReference[oaicite:1]{index=1}
  • Avoid freeze–thaw cycles. Aliquot for routine use. :contentReference[oaicite:2]{index=2}
  • For long-term storage, keep lyophilized material frozen. :contentReference[oaicite:3]{index=3}
  • If stored in solution, use sterile conditions and aliquots; refrigerate short-term. :contentReference[oaicite:4]{index=4}

[Image placeholder: “Peptide Storage Overview” infographic]

Best Practices for Storing Lyophilized Peptides

For most research workflows, storing peptides as a dry (lyophilized) solid in a tightly closed container is preferred. For short periods, refrigeration can be acceptable; for longer durations, frozen storage is generally recommended. :contentReference[oaicite:5]{index=5}

Recommended approach

  1. Store dry material cold and protected. Keep vials sealed; limit humidity and light exposure.
  2. Let vials warm before opening. When removing a vial from cold storage, allow it to equilibrate to room temperature before opening to reduce condensation and moisture uptake.
  3. Work quickly and reseal tightly. Dispense what you need, recap promptly, and return to storage.
  4. Plan aliquots to avoid repeated opening. If you expect frequent use, pre-portion into multiple vials.

Preventing Oxidation and Moisture Contamination


Two common causes of peptide loss over time are moisture exposure (hygroscopic uptake/condensation) and
oxidation (air exposure). :contentReference[oaicite:10]{index=10}:contentReference[oaicite:11]{index=11}