The effect of tris-buffer on the leaching behaviour of bioactive glass-ceramics.
| Autor: | Hlaváč, Jan, 1926-2018 |
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| Další autoři: |
Helebrant, Aleš, 1961-
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| Jazyk: | angličtina |
| Předmět: | |
| Druh dokumentu: | Non-fiction |
| ISSN: | 0862-5468 |
| Abstrakt: | Abstract: The leaching of bioactive glass-ceramics of the apatite-wollastonite type in water and in a simulated body fluid was studied using standard tests with granular specimens and exposures at 37°C. The solutions were analyzed for Ca and SiO2 and the evolution of both concentrations with time was examined in comparison with the CaO/SiO2 ratio. A considerable increase in the rate of leaching was found in buffered solutions due to the effect of TRIS on the conditions for the deposition of a hydroxyapatite protective layer on the leached surface. |
| Databáze: | Katalog Knihovny AV ČR |
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