Building, characterising and catalytic activity testing of Co-C-protected amino acid complexes covalently grafted onto chloropropylated silica gel

Summary, in English

Co-C-protected amino acid (C-protected L-histidine, L-tyrosine, L-cysteine and L-cystine) complexes were covalently grafted onto chloropropylated silica gel, and the materials thus obtained were structurally characterised by mid/far IR and X-ray absorption spectroscopies. The superoxide dismutase-like activities of the substances were determined via the Beauchamp-Fridovich test reaction. It was found that covalent grafting and the preparation of the anchored complexes were successful in most cases. The coordinating groups varied upon changing the conditions of the syntheses. All materials displayed catalytic activity, although catalytic activities differed widely. (C) 2014 Elsevier B.V. All rights reserved.

• Author: G. Varga; Z. Timar; Z. Csendes; E. G. Bajnoczi; Stefan Carlson; Sophie Canton; L. Bagi; P. Sipos; I. Palinko
• Department/s: MAX IV Laboratory
• Publishing year: 2015
• Language: English
• Pages: 138-143
• Publication/Series: Journal of Molecular Structure
• Volume: 1090
• Links: http://dx.doi.org/10.1016/j.molstruc.2014.11.039
• Document type: Journal article
• Publisher: Elsevier
• Topic: Natural Sciences; Physical Sciences
• Keywords: Co(II) amino acid complexes; Covalent grafting; FT-IR spectroscopy; X-ray absorption spectroscopy; Superoxide dismutase activity
• Status: Published
• ISBN/ISSN/Other: ISSN: 0022-2860