Luminescence Sensing Method for Degradation Analysis of Bioactive Glass Fibers

被引：10

作者：

Baranowska, Agata ^{[1
]}

Kochanowicz, Marcin ^{[2
]}

Wajda, Aleksandra ^{[3
]}

Lesniak, Magdalena ^{[3
]}

Zmojda, Jacek M. ^{[2
]}

Miluski, Piotr ^{[2
]}

Zglobicka, Izabela ^{[1
]}

Kurzydlowski, Krzysztof J. ^{[1
]}

Dorosz, Dominik ^{[3
]}

机构：

[1] Bialystok Tech Univ, Fac Mech Engn, 45C Wiejska St, PL-15351 Bialystok, Poland

[2] Bialystok Tech Univ, Fac Elect Engn, 45D Wiejska St, PL-15351 Bialystok, Poland

[3] AGH Univ Sci & Technol, Fac Mat Sci & Ceram, 30 Mickiewicza, PL-30059 Krakow, Poland

来源：

SENSORS | 2021年 / 21卷 / 06期

关键词：

bioactive glass fibers; luminescence; degradation; rare-earth; biomaterials; IN-VITRO; PHOSPHATE; SPECTROSCOPY;

D O I：

10.3390/s21062054

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The effects of Sm3+ content on the optical properties and bioactivity of 13-93 bioactive glass were presented. Sm3+ doped glass fibers drawn from bioactive glass were analyzed in simulated body fluid (SBF) for the determination of ion release. Optical analysis of the Sm3+ ions in bioactive glass fibers was used for degradation monitoring. While the fibers were immersed in SBF solution, changes in their luminescence spectra under 405 nm laser excitation were measured continuously for 48 h. The morphology of the fibers after the immersion process was determined by SEM/EDS. It was shown that the proposed approach to the analysis of changes in Sm3+ ion luminescence is a sensitive method for the monitoring of degradation processes and the formation of hydroxycarbonate-apatite (HCA) layers on glass fiber surfaces. SEM/EDS measurements showed a significant deterioration on the surface of the fibers and the formation of HCA on 13-93_02Sm bioactive glass. The optical analysis of the time constant indicated that bioactive glass fibers doped with 2 %mol Sm3+ degrade at a rate almost five times slower than 13-93_02Sm.

引用

页码：1 / 13

页数：13

共 30 条

[1] CALCIUM-PHOSPHATE FORMATION AT THE SURFACE OF BIOACTIVE GLASS INVIVO [J].