If a vial has been opened or the seal is compromised, the powder may absorb ambient moisture, effectively changing the amount of "dry" peptide before you even add water
Sikiric P, Sever M, Krezic I, Vranes H, Kalogjera L, Smoday IM, Vukovic V, Oroz K, Coric L, Skoro M, Kavelj I, Zubcic S, Sikiric S, Beketic Oreskovic L, Oreskovic I, Blagaic V, Brcic K, Strbe S, Staresinic M, Boban Blagaic A, Skrtic A, Seiwerth S
[1] Additionally, the authors indicate that there is still a requirement for successful human trials to be completed prior to clinical translation as there are important differences between rodent and human physiology that could have a significant impact on the efficacy and safety of any agent
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