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UV-visible spectra of (a) GM-AuNPs and (b) GM-AgNPs.
Notes: Both GM-AuNPs and GM-AgNPs were synthesized with the extract concentration of 0.02%. Digital photographs in the inset show each colloidal solution of GM-AuNPs (left) and GM-AgNPs (right).
Abbreviations: GM-AgNPs, silver nanoparticles green synthesized by mangosteen pericarp extract; GM-AuNPs, gold nanoparticles green synthesized by mangosteen pericarp extract; UV, ultraviolet.
