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Inorganic Chemistry
Volumn 47, Issue 7, 2008, Pages 2897-2908
Tuning the redox properties of manganese(II) and its implications to the electrochemistry of manganese and iron superoxide dismutases
Author keywords

[No Author keywords available]
Indexed keywords

MANGANESE; SUPEROXIDE DISMUTASE;
EID: 42449093709     PISSN: 00201669     EISSN: None     Source Type: Journal    
DOI: 10.1021/ic702428s     Document Type: Article
Times cited : (59)
References (77)
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    • (2001) Handbook of Metalloproteins , vol.2 , pp. 668-682
    • Miller, A.-F.1
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    • Absolute quotients of the oxidation- and reduction peak currents (ip(Ox, ip(Red), at a scan rate of 0.1 V s-1 for the respective complexes (in parenthesis) were 1.2, Fe(terpy)2]2, 1.0, Fe(4′-Cl-terpy) 2]2, 1.0([Fe(4′-CH3Ph-terpy) 2]2, 1.0([Fe(4′-OH-terpy)2] 2, 1.0, Fe(4′-pyrr-terpy)2]2, 1.0, Fe(4′-DMA-terpy)2]2, 0.9, Mn-(terpy) 2]2, 1.0, Mn(4′-Cl-terpy)2] 2, 1.2, Mn(4′-CH3Ph-terpy)2] 2, 1.3, Mn(4′-OH-terpy)2]2, and 1.0, Mn(4′-pyrr-terpy)2]2
    • 2+).
  • 63
    • 42449107169 scopus 로고    scopus 로고
    • Peak splits between the oxidation- and the reduction peak (ΔEp) at a scan rate of 0.1 V s-1 for the respective complexes (in parenthesis) were 121 mV, Fe(terpy)2] 2, 74 mV, Fe(4′-Cl-terpy)2]2, 77 mV, Fe(4′-CH3Ph-terpy)2]2, 67 mV, Fe(4′-OH-terpy)2]2, 76 mV, Fe(4′-pyrr- terpy)2]2, 71 mV, Fe(4′-DMA-terpy) 2]2, 236 mV, Mn(terpy)]2]2, 283 mV, Mn(4′-Cl-terpy)2]2, 151 mV, Mn(4′-CH3Ph-terpy)2]2, 256 mV, Mn(4′-OH-terpy)2]2, and 108 mV, Mn(4′-pyrr-terpy)2]2
    • 2+).
  • 64
    • 42449127310 scopus 로고    scopus 로고
    • Absolute values of the separation between the peak potential and the half-peak potential |Ep(Ox, Ep1/2(Ox, at a scan rate of 0.1 V s-1 for the respective complexes (in parenthesis) were 73 mV, Fe(terpy)2]2, 61 mV, Fe(4′-Cl-terpy) 2]2, 62 mV, Fe(4′-CH3Ph-terpy) 2]2, 57 mV, Fe(4′-OH-terpy)2] 2, 61 mV, Fe(4′-pyrr-terpy)2]2, 59 mV, Fe(4′-DMA-terpy)2]2, 107 mV, Mn(terpy) 2]2, 123 mV, Mn(4′-Cl-terpy)2] 2, 79 mV, Mn(4′-CH3Ph-terpy)2] 2, 109 mV, Mn(4′-OH-terpy)2]2, and 69 mV, Mn(4′-pyrr-terpy)2]2
    • 2+).
  • 66
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    • 2+,two ligand reductions were observed, but they produced no reoxidation peak on scan reversal. For the iron complex, the response was reproducible on consecutive scans, while reduction of the manganese complex caused degradation of the electrode surface.
    • 2+,two ligand reductions were observed, but they produced no reoxidation peak on scan reversal. For the iron complex, the response was reproducible on consecutive scans, while reduction of the manganese complex caused degradation of the electrode surface.

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