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Synthesis, characterization, and POM-protein interactions of a Fe-substituted Krebs-type Sandwich-tungstoantimonate.
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ABSTRACT: Abstract
The novel iron-substituted Krebs-type polyoxotungstate (C12N4H11)4Na2H5[(Fe(H2O)3)2((FeO2)0.5(WO2)0.5)2(?-SbW9O33)2] (Fe-1) has been synthesized using ortho-phenylenediamine (opda) as a precursor for the in situ formation of the counter cation 2,3-diaminophenazinium (C12N4H11)+ (2,3-DAP). Fe-1 has been thoroughly characterized in the solid state by single-crystal X-ray diffraction (SXRD), powder X-ray diffraction (PXRD), IR spectroscopy, and elemental analysis as well as in solution by UV-Vis spectroscopy. The crystal structure of Fe-1 reveals ?-?-interactions between the aromatic systems of the unconventional 2,3-DAP counter cation. POM-protein interaction studies using SDS-PAGE revealed a non-proteolytic behavior of Fe-1 towards Human Serum Albumin (HSA) as a model protein.Graphical abstract
SUBMITTER: Tanuhadi E
PROVIDER: S-EPMC6533222 | biostudies-literature | 2019
REPOSITORIES: biostudies-literature
Publications
Synthesis, characterization, and POM-protein interactions of a Fe-substituted Krebs-type Sandwich-tungstoantimonate.
Monatshefte fur chemie 20190429 5
<h4>Abstract</h4>The novel iron-substituted Krebs-type polyoxotungstate (C<sub>12</sub>N<sub>4</sub>H<sub>11</sub>)<sub>4</sub>Na<sub>2</sub>H<sub>5</sub>[(Fe(H<sub>2</sub>O)<sub>3</sub>)<sub>2</sub>((FeO<sub>2</sub>)<sub>0.5</sub>(WO<sub>2</sub>)<sub>0.5</sub>)<sub>2</sub>(β-SbW<sub>9</sub>O<sub>33</sub>)<sub>2</sub>] (<b>Fe-1</b>) has been synthesized using <i>ortho</i>-phenylenediamine (opda) as a precursor for the in situ formation of the counter cation 2,3-diaminophenazinium (C<sub>12</sub> ...[more]
