Syringe Volume (ml)
Example: 0.3, 0.5, 1, 2 ml
Total Units on Syringe
Example: 30, 50, 100, 200 units
Peptide Vial Quantity (mg)
Example: 1, 2, 5, 10, 15, 20 mg
Bacteriostatic Water Added (ml)
Total volume you added to the vial
Desired Peptide Dose (mcg)
Enter any dose in micrograms
Your Dosage
Draw to units
Units
Instructions:
Reconstitute your peptide with 1 ml bacteriostatic water Draw to exactly units on your syringe as shown by the red line This provides a dose of mcg Store reconstituted peptide in the refrigerator
Correct Peptide Reconstitution
Peptides are delicate biomolecules that require precise handling and storage to maintain their integrity and effectiveness. Our peptides are delivered as lyophilized (freeze-dried) powders, which offer stability against short-term temperature fluctuations during transit. Even at room temperature, these powdered peptides remain stable for several weeks. However, to maximize their shelf life and ensure consistent results, proper storage and reconstitution methods must be followed.
Storage and Handling Best Practices
Before Reconstitution: Store lyophilized peptides in a dry, cool place, preferably at -20C to -80C for long-term preservation. This prevents degradation and contamination.
After Reconstitution: Once peptides are reconstituted, they become more susceptible to degradation. Store solutions at 4C for short-term use (a few days) or freeze aliquots at -20C for longer periods. Avoid repeated freeze-thaw cycles, as these can reduce the peptide’s bioactivity.
How to Reconstitute Peptides Properly
Choose the Right Solvent: The solvent choice depends on the peptides solubility:
Bacteriostatic water Suitable for many peptides but may not dissolve hydrophobic peptides completely. Acetic acid (0.1%) or dilute HCl Can be used sparingly for highly hydrophobic peptides. Other buffers Used when specific pH conditions are required.
Gently Add the Solvent: Add solvent slowly to the vial (dropwise) to avoid foaming. Mix by gently swirling or tilting; do not vortex or shake aggressively.
Check for Clarity: Ensure the solution is clear and free of undissolved particles. If needed, sonication (brief exposure to ultrasonic waves) can help dissolve stubborn peptides.
Common Mistakes to Avoid
Using tap or non-sterile water, which may introduce contaminants. Shaking the vial aggressively, which can degrade the peptide. Allowing the reconstituted solution to sit at room temperature for extended periods. Not aliquoting solutions for storage, leading to repeated freeze-thaw cycles.
By following these guidelines, researchers can ensure that peptides retain their potency and remain viable for various experimental applications. Proper reconstitution and storage practices contribute significantly to the accuracy and reliability of research results.