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Characterization of 20Na₂O·30((1−x)CaO·xSrO)·50P₂O₅ Glasses for a Resorbable Optical Fiber Application

Research output: Contribution to journal › Article › peer-review

Abstract

Resorbable glasses with nominal molar compositions of 20Na 2 O·30[(1−x)CaO·xSrO]·50P 2 O 5 , where x = 0, 0.25, 0.50, 0.75, and 1, were prepared and characterized. With the replacement of CaO by SrO, the molar volume, refractive index, and coefficient of thermal expansion increased, and the glass transition temperature, crystallization temperature, and viscosity decreased. The replacement of CaO by SrO decreased the dissolution rate in 37°C water by nearly an order of magnitude. Resorbable glass fibers drawn from melts of the 20Na 2 O·30CaO·50P 2 O 5 glass exhibited decreasing transmission of laser light (632 nm) in a predictable way as the fiber dissolved in a phosphate buffer solution. This demonstrated that these glasses could be used to produce resorbable fibers for temporary biosensing or therapeutic applications.

Original languageAmerican English
Pages (from-to)378-390
Number of pages13
JournalInternational Journal of Applied Glass Science
Volume10
Issue number3
DOIs
StatePublished - Jul 1 2019

Keywords

  • Biocompatibility
  • optical < Properties
  • optical fibers < Glass Products
  • phosphate < Glass Forming Systems
  • Raman spectroscopy < Characterization
  • thermal < Properties

Disciplines

  • Ceramic Materials
  • Electrical and Computer Engineering

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