Analysis of the absorbance (ABS) spectra of melanin and different substances. Shown are the absorbance spectra of melanin (A), itraconazole (B), amphotericin B (C), TBO (D), TBO treated with an LED dose of 60 J/cm2 (E), itraconazole and melanin (F), amphotericin B and melanin (G), TBO and melanin (H), andTBO and melanin treated with an LED dose of 60 J/cm2 (I).