Simon V, Spinu M, Stefan R
Babes-Bolyai University, Faculty of Physics, Cluj-Napoca, Romania.
J Mater Sci Mater Med. 2007 Mar;18(3):507-12. doi: 10.1007/s10856-007-2011-3.
Quaternary Ag(2)O-CaO-Bi(2)O(3)-B(2)O(3) glasses and glassceramics are investigated with regard to release behaviour and local structure. The dissolution behaviour in water and physiological serum shows that the cations are released rapidly or gradually and points out a multi-step process, generally characterised by higher rates in water than in physiological serum. The structural effect of silver addition to bismuth-borate glasses is observed from infrared spectroscopic data. The antibacterial activity of the investigated samples was tested on six bacterial media.
对四元Ag(2)O-CaO-Bi(2)O(3)-B(2)O(3)玻璃及玻璃陶瓷的释放行为和局部结构进行了研究。其在水和生理血清中的溶解行为表明,阳离子快速或逐渐释放,指出这是一个多步过程,一般其在水中的释放速率高于生理血清中的释放速率。从红外光谱数据观察到向铋硼酸盐玻璃中添加银的结构效应。在所研究的六种细菌培养基上测试了样品的抗菌活性。