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- W2078561311 abstract "The compounds 2,9,25,32-tetraoxo-4,7,27,30-tetrakis(carboxymethyl)-1,4,7,10,24,27,30,33-octaaza-17,40-dioxa[10.1.10.1]paracyclophane and 2,9,25,32-tetraoxo-4,7,27,30-tetrakis(carboxymethyl)-1,4,7,10,24,27,30,33-octaaza[10.1.10.1]paracyclophane binuclear copper complexes (Cu2PO and Cu2PC, respectively) were studied by determining their antioxidant capacity using the TROLOX equivalent antioxidant capacity (TEAC) assay, and their cytotoxicity on cultured cells, as well as the superoxide dismutase (SOD)-like activity. Cu2PO had an antioxidant capacity (0.1 g eq TROLOX mol−1) within the order of magnitude of ascorbic acid, and both, Cu2PO and Cu2PC were nontoxic to cultured peripheral mononuclear blood cells. The SOD-like activity was evaluated using the nitroblue tetrazolium assay, and both compounds presented an excellent activity: for Cu2PO, the IC50 was 52 nM and for Cu2PC an IC50 of 0.5 μM was obtained comparable to CuZn SOD IC50 17 nM (Fernandes et al., J Inorg Biochem 2007;101:849–858). These results suggest that synthetic binuclear macrocycles are good candidates to be used as synthetic bioactive molecules with applications in biomedicine. © 2010 Wiley Periodicals, Inc. J Biochem Mol Toxicol 24:379–383, 2010; View this article online at wileyonlinelibrary.com. DOI 10.1002/jbt.20350" @default.
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- W2078561311 date "2010-11-01" @default.
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- W2078561311 title "Antioxidant capacity of binuclear Cu(II)-cyclophanes, insights from two synthetic bioactive molecules" @default.
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- W2078561311 doi "https://doi.org/10.1002/jbt.20350" @default.
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