What is "lyophilization"?
Lyophilization (freeze-drying) is a dehydration process that preserves peptides by removing water, extending their stability and shelf life.
Lyophilization is a technical term for freeze-drying—a preservation method used for peptides and many other biological compounds.
How It Works
The process removes water from a peptide solution in three steps:
- Freezing: The liquid is frozen solid
- Primary Drying: Ice turns directly to vapor under vacuum (sublimation)
- Secondary Drying: Remaining bound water is removed
The result is a dry powder or “cake” that can be stored for extended periods.
Why It Matters for Peptides
Lyophilized peptides:
- Last longer than liquid formulations (months to years vs. days to weeks)
- Are more stable at various temperatures
- Reconstitute easily for use in research
Many research peptides are supplied lyophilized because they would degrade too quickly in solution.
Important Note
Lyophilized peptides must be reconstituted (dissolved in liquid) before they can be used in experiments. This site’s calculator is designed to help with the math for concentration calculations after reconstitution—not to provide guidance on reconstitution procedures.
Reminder: This site provides educational content and a calculator for concentration math. It does not provide instructions on handling, reconstituting, or storing peptides.