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Other Peptides in Skin Research UK researchers frequently compare GHK-Cu with other peptides used in dermatological contexts

Digestive enzymes break down protein-based compounds before absorption

[5] Kwon DR, Park GY

Enzyme expression was induced by the addition of 100 M isopropyl -d-1-thiogalactopyranoside, the cultures were incubated for another 3.5 h at 30 C, 140 rpm using a 5 cm shaking diameter, and the final OD 600 (optical density at 600 nm) was determined using a CO8000 cell density meter (WPA biowave)

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Transformants were plated on 7H10-ADC-Kan plates and recombinants were confirmed by PCR using specific primers (Supplementary Table 2 and Fig