Hydrolysis and oxidation
In solution, peptide bonds are susceptible to hydrolysis, and residues such as methionine and cysteine are susceptible to oxidation. Both processes are slow when cold and dark, and much faster when warm and lit.
Adsorption to surfaces
At low concentrations, a measurable fraction of peptide can adsorb to glass and plastic surfaces. Low-bind tubes and avoiding unnecessary transfers both help preserve your working concentration.
Practical mitigation
Reconstitute immediately before use where possible, aliquot into single-use volumes, store at 2–8°C protected from light, and record the reconstitution date on the vial.
Research use only
All materials referenced here are supplied by Aura Peptide Co. strictly for in-vitro laboratory and research use. Nothing on this page is guidance for human or animal use.