Superoxide dismutase mimicking Cu(II)–mixed amino acid complexes covalently grafted onto silica gel—an FT-IR study |
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Authors: | Zita Csendes Valéria Bugris Linda Lackó Imre Labádi János T Kiss István Pálinkó |
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Institution: | 1. Department of Organic Chemistry, University of Szeged, Dóm tér 8, Szeged, 6720, Hungary 2. Department of Inorganic and Analytical Chemistry, University of Szeged, Dóm tér 7, Szeged, 6720, Hungary
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Abstract: | Our recent work concerning the synthesis, characterisation and testing of bioinspired electron transfer catalysts is described
in this contribution. The catalysts were various Cu(II) complexes having mixed C- or N-protected amino acids (l-histidine and l-tyrosine) as ligands covalently grafted onto surface-modified silica gel. The resulting materials were structurally characterised
by FT-IR spectroscopy, and their superoxide dismutase activities were tested. The covalently anchored Cu(II) complexes displayed
appreciable activities in the test reaction; thus, they may be considered as promising candidates as durable electron transfer
catalysts approaching the efficiency of the enzyme mimicked. |
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