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Szczodra A, Houaoui A, Agniel R, Sicard L, Miettinen S, Massera J, Gorin C. Boron substitution in silicate bioactive glass scaffolds to enhance bone differentiation and regeneration. Acta Biomater 2024:S1742-7061(24)00436-7. [PMID: 39098444 DOI: 10.1016/j.actbio.2024.07.053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2024] [Revised: 07/12/2024] [Accepted: 07/29/2024] [Indexed: 08/06/2024]
Abstract
Commercially available bioactive glasses (BAGs) are exclusively used in powder form, due to their tendency to crystallize. Silicate BAG 1393 was developed to allow fiber drawing and scaffold sintering, but its slow degradation limits its potential. To enable scaffold manufacturing while maintaining glass dissolution rate close to that of commercially available BAGs, the borosilicate glass 1393B20 was developed. This study investigates the potential of 1393B20 scaffolds to support bone regeneration and mineralization in vitro and in vivo, in comparison to silicate 1393. Both scaffolds supported human adipose stem cells proliferation, either in direct contact for the 1393, or mainly around for the 1393B20. Similarly, both BAGs induced osteogenesis and angiogenesis in vitro, with a better pro-angiogenic influence of the 1393B20. In addition, these scaffolds supported bone regeneration and osteoclast/osteoblast activity in vivo in critical-sized rat calvarial defect. Nevertheless, mineralization and collagen formation were significantly enhanced for the 1393B20, at 3-months post-implantation, assigned to faster and more complete dissolution of the scaffolds. Thus, 1393B20 demonstrates greater promise for bone tissue engineering certainly due to its time-controlled release of boron and silicon. STATEMENT OF SIGNIFICANCE: Bioactive glasses (BAGs) show great promise in bone tissue engineering as they effectively bond with bone tissue, fostering integration and regeneration. Silicate BAG 1393 was developed to allow fiber drawing and scaffold sintering, but its slow degradation limits its potential. To enable scaffold manufacturing while maintaining glass dissolution rate close to that of commercially available BAGs, the borosilicate glass 1393B20 was developed. Both BAGs induced osteogenesis and angiogenesis in vitro, with a better pro-angiogenic influence of the 1393B20. The presence of boron in the 1393B20 enhanced mineralization and collagen formation in vivo compared to 1393, probably due to its faster dissolution rate. Here, 1393B20 demonstrated greater promise for bone tissue engineering compared to the well-known 1393 BAG.
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Affiliation(s)
- Agata Szczodra
- Tampere University, Faculty of Medicine and Health Technology, Tampere, Finland
| | - Amel Houaoui
- Tampere University, Faculty of Medicine and Health Technology, Tampere, Finland; CY Cergy Paris Université, Biomaterials for Health group, ERRMECe, Neuville sur Oise, France
| | - Rémy Agniel
- CY Cergy Paris Université, Biomaterials for Health group, ERRMECe, Neuville sur Oise, France
| | - Ludovic Sicard
- Laboratory URP2496 Orofacial Pathologies, Imaging and Biotherapies, Faculty of Odontology, Université Paris Cité, Montrouge, France; Oral Medicine Service, Prosthetics Department, AP-HP/GH Nord, Paris, France
| | - Susanna Miettinen
- Tampere University, Faculty of Medicine and Health Technology, Tampere, Finland; Research Services, Wellbeing Services County of Pirkanmaa, Tampere University Hospital, Tampere, Finland
| | - Jonathan Massera
- Tampere University, Faculty of Medicine and Health Technology, Tampere, Finland
| | - Caroline Gorin
- Laboratory URP2496 Orofacial Pathologies, Imaging and Biotherapies, Faculty of Odontology, Université Paris Cité, Montrouge, France; Oral Medicine Service, Prosthetics Department, AP-HP/GH Nord, Paris, France.
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In vitro biomineralization potential in simulated wound fluid and antibacterial efficacy of biologically-active glass nanoparticles containing B 2O 3/ZnO. Colloids Surf B Biointerfaces 2022; 212:112338. [PMID: 35051791 DOI: 10.1016/j.colsurfb.2022.112338] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 12/29/2021] [Accepted: 01/12/2022] [Indexed: 11/23/2022]
Abstract
In the present study, SiO2-CaO-B2O3-ZnO (SCBZ), SiO2-CaO-B2O3 (SCB), SiO2-CaO-ZnO (SCZ) and SiO2-CaO (SC) silicate-based glasses were synthesized by the sol-gel method to elucidate the influence of B2O3 and ZnO substitution on glass characteristics aiming to further use in wound healing applications. The amorphous nature, spherical-shaped morphology and nano-sized primary particles of glasses were revealed by XRD and SEM analysis. Moreover, investigating the antibacterial activity of glasses against E.coli and S.aureus bacteria indicated the improved antibacterial properties of SCBZ glass against both bacterial strains compared with SCB and SCZ glasses. Assessment of ion release revealed that the incorporation of zinc induces a more stable glass network with a lower tendency to dissolution contrary to the incorporation of boron, which facilitated the dissolution of glass by the formation of more reactive SiOB and BO bonds. Glasses were immersed in Simulated Wound Fluid (SWF) to predict their mineralization susceptibility. Morphological studies and FTIR analysis showed the formation of cauliflower-like hydroxy-carbonated apatite on the surface of SCB and SC glasses after 14 days. In contrast, the presence of Zn in SCBZ and SCZ glasses inhibited the formation of crystalline apatite and induced the deposition of spherical-shaped amorphous apatite. Our study suggests that the co-incorporation of B and Zn in SCBZ glass make this material a potential multifunctional candidate for accelerating the healing of skin wounds.
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Hussein S, Roshdy R, El-sadek MA, Ezzeldien M. Effect of Al2O3 on the structural, optical and mechanical properties of B2O3- CaO-SiO2-P2O5-Na2O glass system. OPTIK 2022; 250:168281. [DOI: 10.1016/j.ijleo.2021.168281] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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Lu X, Deng L, Saslow SA, Liu H, Benmore CJ, Parruzot BP, Reiser JT, Kim SH, Ryan JV, Vienna JD, Du J. Vanadium Oxidation States and Structural Role in Aluminoborosilicate Glasses: An Integrated Experimental and Molecular Dynamics Simulation Study. J Phys Chem B 2021; 125:12365-12377. [PMID: 34726409 DOI: 10.1021/acs.jpcb.1c07134] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Vanadium-containing glasses have aroused interest in several fields such as electrodes for energy storage, semiconducting glasses, and nuclear waste disposal. The addition of V2O5, even in small amounts, can greatly alter the physical properties and chemical durability of glasses; however, the structural role of vanadium in these multicomponent glasses and the structural origins of these property changes are still poorly understood. We present a comprehensive study that integrates advanced characterizations and atomistic simulations to understand the composition-structure-property relationships of a series of vanadium-containing aluminoborosilicate glasses. UV-vis spectroscopy, X-ray photoelectron spectroscopy, and X-ray absorption near-edge structure (XANES) have been used to investigate the complex distribution of vanadium oxidation states as a function of composition in a series of six-component aluminoborosilicate glasses. High-energy X-ray diffraction and molecular dynamics simulations were performed to extract the detailed short- and medium-range atomistic structural information such as bond distance, coordination number, bond angle, and network connectivity, based on recently developed vanadium potential parameters. It was found that vanadium mainly exists in two oxidation states: V5+ and V4+, with the former being dominant (∼80% from XANES) in most compositions. V5+ ions were found to exist in 4-, 5-, and 6-fold coordination, while V4+ ions were mainly in 4-fold coordination. The percentage of 4-fold-coordinated boron and network connectivity initially increased with increasing V2O5 up to around 5 mol % but then decreased with higher V2O5 contents. The structural role of vanadium and the effect on glass structure and properties are discussed, providing insights into future studies of sophisticated structural descriptors to predict glass properties from composition and/or structure and aiding the formulation of borosilicate glasses for nuclear waste disposal and other applications.
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Affiliation(s)
- Xiaonan Lu
- Energy and Environment Directorate, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Lu Deng
- Department of Materials Science and Engineering, University of North Texas, Denton, Texas 76203, United States
| | - Sarah A Saslow
- Energy and Environment Directorate, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Hongshen Liu
- Department of Chemical Engineering, Materials Research Institute, Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - Chris J Benmore
- Advanced Photon Source Facility, Argonne National Laboratory, Argonne, Illinois 60439, United States
| | - Benjamin P Parruzot
- Energy and Environment Directorate, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Joelle T Reiser
- Energy and Environment Directorate, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Seong H Kim
- Department of Chemical Engineering, Materials Research Institute, Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - Joseph V Ryan
- Energy and Environment Directorate, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - John D Vienna
- Energy and Environment Directorate, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Jincheng Du
- Department of Materials Science and Engineering, University of North Texas, Denton, Texas 76203, United States
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Zhao Y, Du J, Cao X, Zhang C, Xu G, Qiao X, Liu Y, Peng S, Han G. A modified random network model for P 2O 5-Na 2O-Al 2O 3-SiO 2 glass studied by molecular dynamics simulations. RSC Adv 2021; 11:7025-7036. [PMID: 35423197 PMCID: PMC8694886 DOI: 10.1039/d0ra10810c] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Accepted: 01/25/2021] [Indexed: 11/21/2022] Open
Abstract
We investigated the short- and medium-range structural features of sodium aluminosilicate glasses with various P2O5 (0–7 mol%) content and Al/Na ratios ranging from 0.667 to 2.000 by using molecular dynamics simulations. The local environment evolution of network former cations (Si, Al, P) and the extent of clustering behavior of modifiers (Na+) is determined through pair distribution function (PDF), total correlation function (TDF), coordination number (CN), Qxn distribution and oxygen speciation analysis. We show that Al–O–P and Si–O–Al linkage is preferred over other connections as compared to a random model and that Si–O–Si linkage is promoted by the P2O5 addition, which is related to structural heterogeneity and generates well-separated silicon-rich and aluminum–phosphorus-rich regions. Meanwhile, due to the relatively high propensity of Al to both Si and P, heterogeneity can be partly overcome with high Al content. A small amount of Si–O–P linkages have been detected at the interface of separated regions. Clustering of Na+ is also observed and intensified with the addition of P2O5. Based on the simulated structural information, a modified random network model for P2O5-bearing sodium aluminosilicate glass has been proposed, which could be useful to optimize the mobility of sodium ions and design novel functional glass compositions. (A) A modified structural model proposed for P2O5-bearing sodium aluminosilicate glasses. (B) Degree of preferred connection (DPC) of different T–O–T network linkage for LAP, MAP and HAP glass compositions with various P2O5 content.![]()
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Affiliation(s)
- Yaxian Zhao
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University Hangzhou 310027 China +86 571 87951842 +86 571 87951842
| | - Jincheng Du
- Department of Materials Science and Engineering, University of North Texas Denton Texas 76203-5017 USA
| | - Xin Cao
- (CNBM) Bengbu Design & Research Institute for Glass Industry Co., Ltd. No. 1047, Tushan Road Bengbu City Anhui Province China
| | - Chong Zhang
- (CNBM) Bengbu Design & Research Institute for Glass Industry Co., Ltd. No. 1047, Tushan Road Bengbu City Anhui Province China
| | - Gang Xu
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University Hangzhou 310027 China +86 571 87951842 +86 571 87951842
| | - Xvsheng Qiao
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University Hangzhou 310027 China +86 571 87951842 +86 571 87951842
| | - Yong Liu
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University Hangzhou 310027 China +86 571 87951842 +86 571 87951842
| | - Shou Peng
- (CNBM) Bengbu Design & Research Institute for Glass Industry Co., Ltd. No. 1047, Tushan Road Bengbu City Anhui Province China
| | - Gaorong Han
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University Hangzhou 310027 China +86 571 87951842 +86 571 87951842
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Kim Y, Park H. Estimation of TiO 2-FeO-Na 2O slag viscosity through molecular dynamics simulations for an energy efficient ilmenite smelting process. Sci Rep 2019; 9:17338. [PMID: 31758043 PMCID: PMC6874600 DOI: 10.1038/s41598-019-53961-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Accepted: 10/30/2019] [Indexed: 01/19/2023] Open
Abstract
Along with the increasing demand for the TiO2 pigment, the ilmenite smelting process has also become significant because it can utilize both rock- and sand-type ilmenite. However, due to the high liquidus temperature of the TiO2 slag system, the smelting process is highly energy consuming. In the present study, the viscosity of molten ilmenite slag was estimated using molecular dynamic simulations at a high temperature to achieve an appropriate and efficient slag design. To verify the validity of the simulation technique, experimental measurements were performed in parallel and their results were compared. The effects of FeO and Na2O addition on viscosity of TiO2 slag were also investigated. The addition of Na2O as a flux enhanced the ilmenite smelting process by not only lowering the liquidus temperature but also slowing the drastic viscosity increase. Statistical information obtained from the molecular dynamic simulations revealed a three-dimensional TiO6 octahedral network structure. The relationship between viscosity and structural change with varying FeO and Na2O concentrations was explored considering the coordination number of Ti and various bonding types.
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Affiliation(s)
- Youngjae Kim
- Mineral Resource Research Division, Korea Institute of Geoscience and Mineral Resources (KIGAM), Daejeon, 34132, Republic of Korea
| | - Hyunsik Park
- Mineral Resource Research Division, Korea Institute of Geoscience and Mineral Resources (KIGAM), Daejeon, 34132, Republic of Korea.
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Prasad S, Gaddam A, Jana A, Kant S, Sinha PK, Tripathy S, Annapurna K, Ferreira JMF, Allu AR, Biswas K. Structure and Stability of High CaO- and P 2O 5-Containing Silicate and Borosilicate Bioactive Glasses. J Phys Chem B 2019; 123:7558-7569. [PMID: 31403295 DOI: 10.1021/acs.jpcb.9b02455] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The present work elucidates about the structure of bioactive glasses having chemical compositions expressed as (mol %) (50.0 - x)SiO2-xB2O3-9.3Na2O-37CaO-3.7P2O5, where x = 0.0, 12.5, 25, and 37.5, and establishes a correlation between the structure and thermal stability. The structural modifications in the parent boron-free glass (B0) with the gradual substitutions of B2O3 for SiO2 are assessed by Raman and 29Si, 31P, 11B, and 23Na magic angle spinning (MAS)-nuclear magnetic resonance (NMR) spectroscopies. The structural studies reveal the presence of QSi2 and QSi3 structural units in both silicate and borosilicate glasses. However, QSi4(3B) units additionally form upon incorporating B2O3 in B0 glass. B-containing silicate glasses exhibit both three-coordinated boron (BIII) and four-coordinated boron (BIV) units. The 31P MAS-NMR studies reveal that the majority of phosphate species exist as isolated orthophosphate (QP0) units. The incorporation of B2O3 in B0 glass increases the cross-linking between the SiO4 and BO4 structural units. However, incorporation of B2O3 lowers the glass thermal stability (ΔT), as shown by differential scanning calorimetry. Although both silicate and borosilicate glasses exhibit good in vitro apatite-forming ability and cell compatibility, the bactericidal action against Escherichia coli bacteria is more evident in borosilicate glass in comparison to silicate base glass. The controlled release of (BO3)3- ions from boron-modified bioactive glasses improves both the cell proliferation and the antibacterial properties, making them promising for hard tissue engineering applications.
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Affiliation(s)
| | - Anuraag Gaddam
- Department of Materials and Ceramic Engineering, CICECO, University of Aveiro, 3810-193 Aveiro, Portugal
| | | | | | | | | | | | - José M F Ferreira
- Department of Materials and Ceramic Engineering, CICECO, University of Aveiro, 3810-193 Aveiro, Portugal
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Lu X, Deng L, Gin S, Du J. Quantitative Structure–Property Relationship (QSPR) Analysis of ZrO2-Containing Soda-Lime Borosilicate Glasses. J Phys Chem B 2019; 123:1412-1422. [DOI: 10.1021/acs.jpcb.8b11108] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Xiaonan Lu
- Department of Materials Science and Engineering, University of North Texas, Denton, Texas 76203, United States
| | - Lu Deng
- Department of Materials Science and Engineering, University of North Texas, Denton, Texas 76203, United States
| | - Stéphane Gin
- CEA, DEN, DE2D, SEVT, F-30207 Bagnols sur Cèze, France
| | - Jincheng Du
- Department of Materials Science and Engineering, University of North Texas, Denton, Texas 76203, United States
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