2024
DOI: 10.3390/biomimetics9040213
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Exploring the Impact of Copper Oxide Substitution on Structure, Morphology, Bioactivity, and Electrical Properties of 45S5 Bioglass®

Imen Hammami,
Manuel Pedro Fernandes Graça,
Sílvia Rodrigues Gavinho
et al.

Abstract: In recent decades, the requirements for implantable medical devices have increased, but the risks of implant rejection still exist. These issues are primarily associated with poor osseointegration, leading to biofilm formation on the implant surface. This study focuses on addressing these issues by developing a biomaterial for implant coatings. 45S5 bioglass® has been widely used in tissue engineering due to its ability to form a hydroxyapatite layer, ensuring a strong bond between the hard tissue and the biog… Show more

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“…The spectral deconvolutions for the bioglass modified with 1, and 8% mol of Fe 3 O 4 are illustrated in Figure 2 a and Figure 2 b, respectively. The results show the presence of six vibrational modes located at around 845–860 cm −1 , 905–908 cm −1 , 940–906 cm −1 , 970–985 cm −1 , 1009–1014 cm −1 , and 144–1053 cm −1 , associated with Q 0 Si units, Q 1 Si units, Q 2 Si units, Q 0 P units, Q 1 P units and Q 3 Si units, respectively [ 44 , 51 , 52 , 53 , 54 , 55 ].…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…The spectral deconvolutions for the bioglass modified with 1, and 8% mol of Fe 3 O 4 are illustrated in Figure 2 a and Figure 2 b, respectively. The results show the presence of six vibrational modes located at around 845–860 cm −1 , 905–908 cm −1 , 940–906 cm −1 , 970–985 cm −1 , 1009–1014 cm −1 , and 144–1053 cm −1 , associated with Q 0 Si units, Q 1 Si units, Q 2 Si units, Q 0 P units, Q 1 P units and Q 3 Si units, respectively [ 44 , 51 , 52 , 53 , 54 , 55 ].…”
Section: Resultsmentioning
confidence: 99%
“…Figure 3 b shows that the activation energy E a increases with the increase in Fe 3 O 4 concentration in the bioglass network. This suggests that the glass structure becomes more rigid, creating higher barriers for ion movement and thereby increasing the activation energy [ 51 ].…”
Section: Resultsmentioning
confidence: 99%