The increasing need for biomedical devices, required to face dysfunctions of natural tissues and organs caused by traumatic events, diseases and simple ageing, has drawn attention onto new materials, that could be able to positively interact with the human body. Among them, Bioglass1 is ﬁrmly diffused in medical practice, thanks to its high bioactivity. In particular, due to its brittleness, it is mainly applied as a coating onto tougher bionert substrates; nevertheless, its bioactivity may be altered by the crystallization phenomena that could be involved by its processing. With the aim of reducing the tendency to crystallize, a new glass composition, inspired by the 45S5 Bioglass1, was formulated by substituting the sodium oxide with potassium oxide. A parallel characterization of the new glass and the 45S5 Bioglass1 was carried out in order to deﬁne the effect of the potassium oxide on the thermal behaviour, mechanical properties and bioactivity. The results proved that the thermo-mechanical properties, as well as the in vitro response of the two glasses were comparable; however, preliminary tests to produce glass coatings by enamelling evidenced a higher stability of the new glass that, unlike the 45S5 Bioglass1, did not crystallize during processing.
Potassium-based composition for a bioactive glass / Cannillo, Valeria; Sola, Antonella. - In: CERAMICS INTERNATIONAL. - ISSN 0272-8842. - STAMPA. - 35(2009), pp. 3389-3393.
|Data di pubblicazione:||2009|
|Titolo:||Potassium-based composition for a bioactive glass|
|Autore/i:||Cannillo, Valeria; Sola, Antonella|
|Codice identificativo ISI:||WOS:000271368100058|
|Codice identificativo Scopus:||2-s2.0-70349195892|
|Citazione:||Potassium-based composition for a bioactive glass / Cannillo, Valeria; Sola, Antonella. - In: CERAMICS INTERNATIONAL. - ISSN 0272-8842. - STAMPA. - 35(2009), pp. 3389-3393.|
|Tipologia||Articolo su rivista|
File in questo prodotto:
I documenti presenti in Iris Unimore sono rilasciati con licenza Creative Commons Attribuzione - Non commerciale - Non opere derivate 3.0 Italia, salvo diversa indicazione.
In caso di violazione di copyright, contattare Supporto Iris