Phosphate precipitation at surface of bioactive glasses

A1 Originalartikel i en vetenskaplig tidskrift (referentgranskad)


Interna författare/redaktörer


Publikationens författare: Karlsson KH, Hupa M, Backman R
Förläggare: Trans Tech Publications
Publiceringsår: 2000
Tidskrift: Key Engineering Materials
Tidskriftsakronym: KEY ENG MAT
Volym: 192-195
Artikelns första sida, sidnummer: 219
Artikelns sista sida, sidnummer: 222
Antal sidor: 4
ISSN: 1013-9826


Abstrakt

The bioactivity of low silica glasses is contributed to the surface layer of highly hydrated silica gel formed in vivo. Phosphate precipitation in and at time gel is a complex process involving amorphous and metastable precursors to hydroxyapatite (HAP). In the gel the pH value increases towards time glass, while the molar Ca/P ratio decreases going from 1.5 close to bone to 1 at glass surface. In the present paper time formation of different calcium phosphate compounds is calculated as function of pH.

Senast uppdaterad 2020-03-04 vid 03:17