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Different studies use different concentrations, delivery systems, endpoints, and model organisms
Although the size of AuNCs is too small to support the SPR effect, AuNCs exhibit unique size-dependent fluorescence and molecule-like optical properties 30 , owing to the ultrasmall size and corresponding electronic structure
Many effective alternatives exist for skin regeneration, including other peptides , wrinkle-targeting compounds , and non-peptide approaches
Studies show that NNMT inhibition by 5-amino-1-methylquinolinium significantly reduces nicotinamide metabolism, increases NAM accumulation, improves NAD+ synthesis efficiency by over 30%, and markedly increases mitochondrial ATP production and cellular energy metabolism
