Note: this work used full-length T4, not the TB-500 heptapeptide fragment
Ice crystal formation can damage the rubber seal, and benzyl alcohol crystallizes unevenly, compromising preservative distribution throughout the vial
Reconstitute a fresh peptide aliquot using verified diluent as a control
Glutathione and SARS-CoV-2 SARS-CoV-2 infection causes intense inflammation which is associated with damaging systemic events that include excessive ROS production, oxidative stress, ROS-mediated apoptosis/cell death, dysregulation of iron homeostasis, hypercoagulability and thrombus formation (Kernan and Carcillo, 2017
I just faced a similar, although not identical, situation, made the opposite decision, and I can absolutely see why Mike went the other direction