Intermediate Cu(II) Thiolate Species in the Reduction of Cu(II)GHK by Glutathione: A Handy Chelate for Biological Cu(II) Reduction Inorganic Chemistry Factors Responsible Or Causes of Tolerance and Tachyphylaxis Of Drugs in Pharmaology Not too big. Not too small. Because of their intermediate size, macrocyclic peptides combine the potency and precise targeting of an antibody or biologic therapy with the stability and ease of administration of a Glycyl L histidyl L lysine Cu2+ (GHK Cu) Attenuates CuSO4 or LPS induced inflammation in Zebrafish larvae model ScienceDirect Tachyphylaxis an overview ScienceDirect Topics TOLERANCE & TACHYPHYLAXIS