Table 1: Electrochemical properties of ferritins with different core minerals.

ReactionFerritin CoremVpH

Fe(OH)3 + e = Fe(OH)2 + OHNative HoSFa−190 to −4207.0–9.0
Co(OH)3 + e = Co(OH)2 + OHSynthetic HoSFb+507.0
Mn(OH)3 + e = Mn(OH)2 + OHSynthetic HoSFb+357.0
Fe(OH)2(PO4) + e = Fe(OH)(PO4) + OHNative bacterialc ferritin−4307.0–9.0
Fe(OH)2(PO4) + e = Fe(OH)(PO4) + OHSynthetic HoSF−3007.0
Ni(OH)3 + e = Ni(OH)2 + OHSynthetic HoSF−10007.0

a: [20]; b: [22]; c: [24].