EnglishThe medium-range order of phospho-silicate bioactive glasses (with compositions (2 p)SiO2 Æ 1Na2O Æ 1.1CaO Æ pP2O5, in whichp = 0.10, 0.20, 0.26) has been studied by means of a combined-experimental (MAS-NMR, chemical durability measurements) and computational(classical molecular dynamics (MD)) approach. The structural model obtained by MD is showed to be helpful in the interpretationof the NMR spectra. A small amount of Si–O–P link units has been detected in glasses with low P2O5-content, but at high P2O5concentration the percentage of Si–O–P bridges becomes important. However, Qn distributions show that the HP5 (p = 0.20) glass structureis less polymerized with respect to the H (p = 0.10) and HP6.5 (p = 0.26) glasses. These results provide useful explanation of thebehavior of these glasses in water and highlight the influence of the medium-range order on a very important property of potentialbioactive glasses such as the chemical durability.
Medium-range order in phosphosilicate bioactive glasses: Insights from MAS-NMR spectra, chemical durability experiments and molecular dynamics simulations / L., Linati; Lusvardi, Gigliola; Malavasi, Gianluca; Menabue, Ledi; Menziani, Maria Cristina; P., Mustarelli; Pedone, Alfonso; Segre, Ulderico. - In: JOURNAL OF NON-CRYSTALLINE SOLIDS. - ISSN 0022-3093. - ELETTRONICO. - 354(2008), pp. 84-89. [10.1016/j.jnoncrysol.2007.06.076Document]
| Data di pubblicazione: | 2008 | |
| Titolo: | Medium-range order in phosphosilicate bioactive glasses: Insights from MAS-NMR spectra, chemical durability experiments and molecular dynamics simulations | |
| Autore/i: | L., Linati; Lusvardi, Gigliola; Malavasi, Gianluca; Menabue, Ledi; Menziani, Maria Cristina; P., Mustarelli; Pedone, Alfonso; Segre, Ulderico | |
| Autore/i UNIMORE: | ||
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1016/j.jnoncrysol.2007.06.076Document | |
| Rivista: | ||
| Volume: | 354 | |
| Pagina iniziale: | 84 | |
| Pagina finale: | 89 | |
| Codice identificativo ISI: | WOS:000252860800003 | |
| Codice identificativo Scopus: | 2-s2.0-36849017386 | |
| Citazione: | Medium-range order in phosphosilicate bioactive glasses: Insights from MAS-NMR spectra, chemical durability experiments and molecular dynamics simulations / L., Linati; Lusvardi, Gigliola; Malavasi, Gianluca; Menabue, Ledi; Menziani, Maria Cristina; P., Mustarelli; Pedone, Alfonso; Segre, Ulderico. - In: JOURNAL OF NON-CRYSTALLINE SOLIDS. - ISSN 0022-3093. - ELETTRONICO. - 354(2008), pp. 84-89. [10.1016/j.jnoncrysol.2007.06.076Document] | |
| Tipologia | Articolo su rivista |
File in questo prodotto:
| File | Descrizione | Tipologia | |
|---|---|---|---|
| Lusvardi3.pdf | Post-print dell'autore (bozza post referaggio) | Administrator Richiedi una copia |
Pubblicazioni consigliate
http://hdl.handle.net/11380/612473
I metadati presenti in IRIS UNIMORE sono rilasciati con licenza Creative Commons CC0 1.0 Universal, mentre i file delle pubblicazioni sono rilasciati con licenza Attribuzione 4.0 Internazionale (CC BY 4.0), salvo diversa indicazione.
In caso di violazione di copyright, contattare Supporto Iris
Copyright © 2022