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Proper peptide storage and handling prove essential, with lyophilized peptides requiring storage at -20C or lower (optimally -80C) away from bright light and moisture, and peptides containing cysteine, methionine, or tryptophan requiring additional protection from oxidation through anaerobic storage conditions to maintain stability and biological activity throughout experimental protocols

Science 370 , 861865 (2020)

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GHK-Cu is a specific tripeptide complexed with Cu(II)

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