Investigation of sol-gel derived silicate glasses loaded with vitamin C

被引：0
|
作者：
Laszloffi, E.
Vulpoi, A.
Simon, V. [1 ]
机构：
[1] Univ Babes Bolyai, Fac Phys, Cluj Napoca 400084, Romania
来源：
JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS | 2013年 / 15卷 / 7-8期
关键词：
Silicate glasses; Sol-gel; Vitamin C; BIOACTIVE GLASSES; SYSTEM; STABILITY;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This study is focused on entrapping the vitamin C (ascorbate) into silicate matrices prepared via sot-gel method, and on evaluation of ascorbate influence on the glass matrices and conversely. Silicate glasses of SiO2 and 56SiO(2)-40CaO-4P(2)O(5) compositions were loaded with vitamin C for potential application as biomaterials in tissue regeneration. The changes induced in vitamin C and in glass matrices by loading with vitamin C were analyzed using DTA, XRD, BET methods, and FTIR spectroscopy. Surface area and pore volume diminish in both samples as loaded with vitamin C, while the thermal stability of vitamin C is increased by entrapment in sol-gel derived silicate.
引用
收藏
页码：883 / 887
页数：5
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