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22
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78651280552
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note
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3), δ/ppm: 8.23 (m, 4H), 7.90 (m, 4H), 7.62 (m, 4H), 4.06 (s, 6H).
-
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25
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10844286210
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J. Kaizer, J. Pap, G. Speier, M. Reglier, and M. Giorgi Trans. Met. Chem. 29 2004 630
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Kaizer, J.1
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28
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78651293277
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note
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4 (CCDC 756935).
-
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30
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78651290014
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note
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max, nm (logε)] 493 (4.28), 453 (4.49), 389 (4.40), 367 (4.45), 319 (3.29).
-
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-
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33
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78651284140
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note
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50 values.
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34
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78651278079
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note
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In separate test reactions the inhibition of the xanthine/xanthine oxidase system by the iron(II) complexes was excluded. The reduction of NBT by superoxide anion takes place in a one-electron process giving tetrazolinyl radical, that disproportionates to formazan, which gives indicator colour and NBT. Under assay conditions with 1 mM/min superoxide anion production, where the concentration of the complex and NBT is higher than that of the substrate, a mixture of the reduced and oxidised form of the complex is present simultaneously. This way, there is a possibility of cross reaction between the oxidised form of the putative SOD mimic complex, and the tetrazolinyl radical that leads to overestimation of the SOD activity. To elucidate this problem, the SOD-like activity was tested in three cases (1, 2 and 5, Table 4) with cytochrome c indicator, too. No significant difference in the kcat values was found using cytochrome c compared to the results from the NBT assays, therefore the above depicted cross reaction does not interfere with the superoxide scavenging reactions.
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35
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0040156545
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Z.-R. Liao, X.-F. Zheng, B.-S. Luo, L.-R. Shen, D.-F. Li, H.-L. Liu, and W. Zhao Polyhedron 20 2001 2813
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Zhao, W.7
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37
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0027375792
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R.H. Weiss, A.G. Flickinger, W.J. Rivers, M.M. Hardy, K.W. Aston, U.S. Ryan, and D.P. Riley J. Biol. Chem. 268 1993 23049
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40
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78651291296
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Originates from the thiocyanate to iron(II) charge transfer band. This ligand was chosen because there is no overlap between the 460 nm band and other absorption bands of 2
-
Originates from the thiocyanate to iron(II) charge transfer band. This ligand was chosen because there is no overlap between the 460 nm band and other absorption bands of 2.
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42
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70350322976
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