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Peptide storage 101: How to store research peptides

How to Safely Store Peptides.

Storing research peptides correctly is an important part of making sure they remain stable and usable for research purposes. When stored improperly, peptides can easily become degraded and affect the accuracy and reliability of your studies. To make sure that doesn’t happen, let’s dive into the best practices for storing dry peptides. 

Understanding Peptide Sensitivity

As you probably know, peptides are short chains of amino acids linked by peptide bonds. They can be very sensitive to environmental factors like temperature, humidity and light, making it especially important to understand proper storage practices.

The Importance of Proper Storage

Here’s a few reasons why you don’t want to mess around when storing your research peptides. Storing peptides incorrectly can destroy their structural integrity and make them less effective or even unusable when conducting research. It can also lead to peptide hydrolosis, oxidation, and aggregation, all of which can have serious negative impacts on your research results.

Best Practices for Storing Dry Peptides

  1. Temperature
    • Short-Term: For short-term storage, peptides should be refrigerated at 4°C (39.2°F). Storing peptides at this temperature will ensure they don’t undergo any unwanted chemical reactions for a few weeks.
    • Long-Term: For long-term storage, peptides should be frozen at -20°C to -80°C. Freezing helps slow down any degradation that could occur in warmer temperatures and ensures your peptides remain stable (NCBI).
  2. Humidity Control
    • Keep it Dry: It’s important that your research peptides are stored in a dry environment. That means using desiccants in your storage containers to absorb any unwanted moisture and prevent peptide hydrolysis (NIBSC).
  3. Light Protection
    • Opaque Containers: Light is another variable to be aware of when storing peptides. Too much exposure to light can cause peptides to degrade, so it’s important to store peptides in dark, opaque containers. 
  4. Proper Sealing
    • Airtight Containers: Make sure you always use airtight containers to prevent any unnecessary exposure to air, which can lead to oxidization and degredation of your research peptides. 
  5. Handling and Usage
    • Minimal Exposure: A final expert tip – you can minimize how much exposure your research peptides get to air, moisture, and light by quickly resealing your storage container returning them to storage conditions immediately after use. It’s also important to always use clean, dry tools to avoid any contamination.

FAQ

Q: How long can peptides be stored in a freezer? 

A: Research peptides can be stored in a freezer at -4°F (-20°C) to -112°F (-80°C) for months up to years, depending on the specific peptide (NCBI).

Q: Can peptides be stored at room temperature? 

A: It is not recommended to store peptides at room temperature for extended periods of time, as this can speed up degradation and quickly reduce your research peptide’s usefulness. The ideal way to store peptides is in a cool, dry place – ideally refrigerated or frozen!

Q: What should I do if my peptides get exposed to moisture before I conduct my research? 

A: If your research peptides get exposed to moisture, conduct your research as soon as possible and be sure to monitor any changes in research results. To avoid the negative impacts of excess moisture, always store your peptides in airtight containers with desiccants (NIBSC).

Q: Are there any specific handling precautions for peptides? 

A: Yes, absolutely! Always handle research peptides with clean, dry tools to avoid contamination, and remember to minimize their exposure to air, light, and moisture by returning them to their storage container as quickly as possible. 

Q: How can I verify the quality of my peptides? 

A: Arctic Peptides provides detailed independent lab test results for every batch of research peptides. These results ensure the purity and quality of our products, giving you full confidence in your research materials.

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