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doi: 10.1097/00042737-200411000-00005 6
Ultrapure water (18.2 M cm resistivity, Arium Comfort H2O-I-1-UV-T from Sartorius, Goettingen, Germany) or LC-MS grade water (LiChrosolv, Merck KGaA) was used throughout
they are peptide complexes formed by copper ions combined with tripeptides (GHK-Cu or AHK-Cu)
The good news is that H
