Studies on Synthetic and Natural Melanin and Its Affinity for Fe(III) Ion

<table>Interaction distribution curves of a DHI melanin solution containing 2.00 mM of DHI melanin (in a 2.0 : 0.5 ratio of catechol:quinone-imine) and 0.99 mM of Fe(III) ions at 25.0°C.</table>

Bioinorganic Chemistry and Applications

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Figure 4

Figure 4: Studies on Synthetic and Natural Melanin and Its Affinity for Fe(III) Ion 