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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Alford, N. M.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (5/5 displayed)
- 2015Obtaining strong ferromagnetism in diluted Gd-doped ZnO thin films through controlled Gd-defect complexescitations
- 2015Defect-band mediated ferromagnetism in Gd-doped ZnO thin filmscitations
- 2012Spectroscopic ellipsometry as an optical probe of strain evolution in ferroelectric thin filmscitations
- 2011Microwave Debye relaxation analysis of dissolved proteinscitations
- 2009Development of novel multiferroic composites based on BaTiO3 and hexagonal ferrites
Places of action
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article
Microwave Debye relaxation analysis of dissolved proteins
Abstract
<p>Aqueous solutions of a variety of proteins at different concentrations are examined through microwave spectroscopy and compared to sodium chloride and polystyrene nanospheres. The complex permittivity is analysed in terms of the Debye model and the Stokes-Einstein-Debye relation in conjunction with the Maxwell-Garnett equation. According to Einstein's classical theory of viscosity with Brenner's adaptation [H. Brenner, Chem. Eng. Sci. 27, 1069 (1972)] for arbitrary solute shapes, the ratio of the alterations of static permittivity and relaxation time of low concentration solutions is found to be independent of concentration and determined by the molecular shape. Our results represent a route towards free-solution identification through molecular finger-printing.</p>