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Article

A Structural Comparison of Ordered and Non-Ordered Ion Doped Silicate Bioactive Glasses

1
Institute of Biomaterials, University of Erlangen-Nuremberg, Cauerstrasse 6, 91058 Erlangen, Germany
2
Department of Materials and Transport Science Engineering, University of Seville, 41011 Seville, Spain
3
Lucideon Ltd., Queens Road, Stoke-on-Trent ST4 7LQ, UK
*
Author to whom correspondence should be addressed.
Materials 2020, 13(4), 992; https://doi.org/10.3390/ma13040992
Received: 21 January 2020 / Revised: 20 February 2020 / Accepted: 20 February 2020 / Published: 22 February 2020
(This article belongs to the Special Issue Spotlight on Bioactive Glasses 2020)
One of the key benefits of sol-gel-derived glasses is the presence of a mesoporous structure and the resulting increase in surface area. This enhancement in textural properties has a significant effect on the physicochemical properties of the materials. In this context the aim of this study was to investigate how sol-gel synthesis parameters can influence the textural and structural properties of mesoporous silicate glasses. We report the synthesis and characterization of metal ion doped sol-gel derived glasses with different dopants in the presence or absence of a surfactant (Pluronic P123) used as structure-directing templating agent. Characterization was done by several methods. Using a structure directing agent led to larger surface areas and highly ordered mesoporous structures. The chemical structure of the non-ordered glasses was modified to a larger extent than the one of the ordered glasses due to increased incorporation of dopant ions into the glass network. The results will help to further understand how the properties of sol-gel glasses can be controlled by incorporation of metal dopants, in conjunction with control over the textural properties, and will be important to optimize the properties of sol-gel glasses for specific applications, e.g., drug delivery, bone regeneration, wound healing, and antibacterial materials. View Full-Text
Keywords: mesoporous; ordered; non-ordered; bioactive glass; sol-gel method mesoporous; ordered; non-ordered; bioactive glass; sol-gel method
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MDPI and ACS Style

Schmitz, S.; Beltrán, A.M.; Cresswell, M.; Boccaccini, A.R. A Structural Comparison of Ordered and Non-Ordered Ion Doped Silicate Bioactive Glasses. Materials 2020, 13, 992. https://doi.org/10.3390/ma13040992

AMA Style

Schmitz S, Beltrán AM, Cresswell M, Boccaccini AR. A Structural Comparison of Ordered and Non-Ordered Ion Doped Silicate Bioactive Glasses. Materials. 2020; 13(4):992. https://doi.org/10.3390/ma13040992

Chicago/Turabian Style

Schmitz, Seray, Ana M. Beltrán, Mark Cresswell, and Aldo R. Boccaccini 2020. "A Structural Comparison of Ordered and Non-Ordered Ion Doped Silicate Bioactive Glasses" Materials 13, no. 4: 992. https://doi.org/10.3390/ma13040992

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