http://www.cnr.it/ontology/cnr/individuo/prodotto/ID177900
Microfluidic motion for a direct investigation of the structural dynamics of glass-forming liquids (Articolo in rivista)
- Type
- Label
- Microfluidic motion for a direct investigation of the structural dynamics of glass-forming liquids (Articolo in rivista) (literal)
- Anno
- 2005-01-01T00:00:00+01:00 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Ilenia Viola; Dario Pisignano; Roberto Cingolani; Giuseppe Gigli; (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- INFM- LECCE- NNL - CNR NANO (literal)
- Titolo
- Microfluidic motion for a direct investigation of the structural dynamics of glass-forming liquids (literal)
- Abstract
- Glass-forming liquids, polymer solutions, and biofluids have additional inertial and elastic macroscopic degrees of freedom that are related to the elasticity of the molecular coils and affect the determination of the structural dynamical parameters. In this work, we propose a new approach for the direct evaluation of the fundamental material parameters (viscosity, fragility, glass transition temperature) of a viscoelastic liquid in a capillary flow inside a microfluidic device. The proposed technique substantially reduces the complexity of the theoretical analysis and provides an evaluation of the most relevant functional parameters of the fluid dynamics. Moreover, the approach allows the investigation of localization phenomena in geometrical confined systems, such as those required in miniaturized devices. (literal)
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