| People | Locations | Statistics |
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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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Kasapis, Stefan
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2020Swelling behaviour and glass transition in genipin-crosslinked chitosan systemscitations
- 2019Structural relaxation and glass transition in high-solid gelatin systems crosslinked with genipincitations
- 2017Modeling and fundamental aspects of structural relaxation in high-solid hydrocolloid systemscitations
- 2012Fundamental considerations in the effect of molecular weight on the glass transition of the gelatin/cosolute systemcitations
- 2011Combined use of the free volume and coupling theories in the glass transition of polysaccharide/co-solute systemscitations
- 2007Effect of aging and ice structuring proteins on the morphology of frozen hydrated gluten networkscitations
- 2006Effect of barley β-glucan concentration on the microstructural and mechanical behaviour of acid-set sodium caseinate gelscitations
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article
Modeling and fundamental aspects of structural relaxation in high-solid hydrocolloid systems
Abstract
<p>The structural relaxation properties of high-solid gelling polysaccharides, gelatin and whey protein with small-molecule co-solute have been reviewed focusing on the glass transition region and glassy state of the mechanical master curve. Compliance with the principle of thermorheological simplicity is established allowing horizontal superposition of viscoelastic functions in the form of small-deformation stress relaxation or dynamic oscillation modulus. Numerical calculations via the Tikhonov regularization yield smooth stress relaxation spectra over a broad timescale that encompasses the isothermal process of vitrification in these systems. Next, the molecular coupling theory addressed the polymer chain dynamics of the local segmental motions that determine the glass transition temperature (T <sub> g </sub>) of condensed matrices. Thus a more complete picture of the physics of intermolecular interactions in the short-time region of the glass dispersion has emerged. It allows estimation of the relaxation time for local segmental motions at T <sub> g </sub>, and the extent of cooperativity between adjacent chemical moieties governing kinetics of viscoelastic relaxation in hydrocolloid based systems at the glass transition region.</p>