The high affinity of GHK for copper(II) ions (binding constant K = 10^16.44 M) ensures that copper is transported in a bound, controlled form rather than as a free ion causing oxidative stress
The Cronbach alpha internal consistency coefficient of the scale was found to be 0.75, and the reliability coefficient according to the Spearman-Brown formula was found to be 0.76 (29)
Liquid forms require strict storage control to preserve structural integrity
Scenario 3: A user expects 6 doses from a vial but sees 5 in the calculator
Frontiers in Bioengineering and Biotechnology, 7 , Article 205
casei by PCR using a pair of primer SOD_LC2W-F71/SOD_LC2W-R97 and inserted into pKLH71 and pKLH81 (digestion by Bam HI and Bgl II) to obtain pKLH295 and pKLH303, respectively, by the ClonExpress MultiS one-step cloning kit (Vazyme, Nanjing, China)