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Fourier transform infrared spectra for (A) Plectranthus aliciae ethanolic extract (PAE) and Plectranthus aliciae ethanolic extract gold nanoparticles (AuNPPAE); (B) rosmarinic acid (RA) and rosmarinic acid gold nanoparticles (AuNPRA); (C) tetracycline (TET) and tetracycline gold nanoparticles (AuNPTET).
