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Enzymes and mediators hosted together in lipidic mesophases for the construction of biodevices |
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| Authors: | Ewa Nazaruk Ewa Górecka Renata Bilewicz |
| Affiliation: | a Laboratoire de Réactivité et Chimie des Solides, CNRS UMR 7314, Université de Picardie Jules Verne, 33 Rue Saint Leu, Amiens, France b Laboratoire des Glucides, CNRS FRE 3517, UFR de Pharmacie, Université de Picardie Jules Verne, 1 Rue des Louvels, Amiens, France c Laboratoire de Chimie de la Matière Condensée de Paris, UMR CNRS 7574, UPMC Univ. Paris 06, Collège de France, 11, place Marcelin-Berthelot, 75231 Paris Cedex 05, France d Institut de Chimie de Picardie, CNRS FR3085 CNRS, Université de Picardie Jules Verne, 33 Rue Saint Leu, 80039 Amiens Cedex, France |
| Abstract: | The formation of a new hybrid material based on titanium dioxide as inorganic support and containing an iron organochelator (ICL670) is described. An organophosphorous coupling agent was used to graft the organic molecule on the oxide surface. The attachment of the organic substrate was well-confirmed by FTIR (DRIFT), solid-state 31P and 13C CPMAS NMR, thermal analysis and the integrity of the structural and morphological parameters were verified using XRD and TEM analyses. The interaction between the material and dissolved iron(III) was also investigated through potentiometric measurements and demonstrated the interest of this new non-siliceous based hybrid material. The obtained linear evolution of the open circuit potential from 10−2 to 10−6 mol L−1 can be used for the analytical detection of iron(III). |
| Keywords: | Hybrid material Titanium oxide Organophosphorous coupling agent Potentiometric detection Iron(III) |
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