http://www.cnr.it/ontology/cnr/individuo/prodotto/ID282216
Influence of gamma-irradiation on thermally-induced mesoscopic gelation of degalactosylated xyloglucans (Articolo in rivista)
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- Influence of gamma-irradiation on thermally-induced mesoscopic gelation of degalactosylated xyloglucans (Articolo in rivista) (literal)
- Anno
- 2014-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.radphyschem.2013.05.055 (literal)
- Alternative label
Todaro, S.; Sabatino, M. A.; Walo, M.; Mangione, M. R.; Bulone, D.; Dispenza, C. (2014)
Influence of gamma-irradiation on thermally-induced mesoscopic gelation of degalactosylated xyloglucans
in Radiation physics and chemistry (1993); PERGAMON-ELSEVIER SCIENCE LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD (Regno Unito)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Todaro, S.; Sabatino, M. A.; Walo, M.; Mangione, M. R.; Bulone, D.; Dispenza, C. (literal)
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- http://www.sciencedirect.com/science/article/pii/S0969806X13003678 (literal)
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- University of Palermo - Italy; Inst Nucl Chem & Technol; Consiglio Nazionale delle Ricerche (CNR) (literal)
- Titolo
- Influence of gamma-irradiation on thermally-induced mesoscopic gelation of degalactosylated xyloglucans (literal)
- Abstract
- Thermoresponsive degalactosylated xyloglucans have been already proposed as in situ gelling scaffolds for tissue engineering, due to their reversible macroscopic thermal gelation at body temperature and biodegradability. The highly branched, hydroxyl group-rich molecular structure renders xyloglucans interesting raw materials also in the form of micro/nanoparticles for application as nanoscalar drug delivery devices in cosmetic and pharmaceutical formulations. Owing to their natural source, xyloglucans show high average molecular weight, broad molecular weight distribution and poor water solubility, as large and compact aggregates usually form via inter-molecular hydrogen bonding. Co-60 gamma-irradiation has been here applied to reduce the molecular weight. The aqueous solutions of irradiated xyloglucan were characterized by dynamic light scattering measurements and gel filtration chromatography. The aggregation kinetics at 37 C were studied by dynamic light scattering measurements to confirm the temperature-responsive behavior of this polymer even when dispersed in water at low concentration after gamma-irradiation. Irradiation dose-molecular properties relationship has been sought. (C) 2013 Elsevier Ltd. All rights reserved. (literal)
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