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Attenuated total reflectance Fourier Transform Infrared spectroscopy (ATR-FTIR) of residual sepia melanin after LMCS treatment with ABTS/V (blue line), TEMPO/V (orange line), Syr/V (pink line), As/V (blue line), and Va/V (red line). Original Sepia melanin (green line) is reported as a reference.
