subject: Is peptide stable? [print this page] The general ways to prevent or minimize peptide degradation is to store the peptide in lyophilized form at -20oC or preferably at -80oC (if available). If the peptide is in solution, freeze-thaw cycles should be avoided by freezing individual aliquots. Exposure to pH>8 should be avoided. However, if it is necessary to dissolve peptides at pH>8, its exposure should be minimized and solutions should be chilled. Finally, prolonged exposure of lyophilized peptides and solutions (especially at high pH) to atmospheric oxygen should be minimized
