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Chen M, Wang Y, Yuan P, Wang L, Li X, Lei B. Multifunctional bioactive glass nanoparticles: surface-interface decoration and biomedical applications. Regen Biomater 2024; 11:rbae110. [PMID: 39323748 PMCID: PMC11422188 DOI: 10.1093/rb/rbae110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2024] [Revised: 07/30/2024] [Accepted: 08/27/2024] [Indexed: 09/27/2024] Open
Abstract
Developing bioactive materials with multifunctional properties is crucial for enhancing their biomedical applications in regenerative medicine. Bioactive glass nanoparticle (BGN) is a new generation of biomaterials that demonstrate high biocompatibility and tissue-inducing capacity. However, the hard nanoparticle surface and single surface property limited their wide biomedical applications. In recent years, the surface functional strategy has been employed to decorate the BGN and improve its biomedical applications in bone tissue repair, bioimaging, tumor therapy and wound repair. This review summarizes the progress of surface-interface design strategy, customized multifunctional properties and biomedical applications in detail. We also discussed the current challenges and further development of multifunctional BGN to meet the requirements of various biomedical applications.
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Affiliation(s)
- Mi Chen
- Shaanxi Key Laboratory of Biomedical Metallic Materials, Northwest Institute for Non-Ferrous Metal Research, Xi'an 710016, China
| | - Yidan Wang
- Shaanxi Key Laboratory of Biomedical Metallic Materials, Northwest Institute for Non-Ferrous Metal Research, Xi'an 710016, China
| | - Pingyun Yuan
- Shaanxi Key Laboratory of Biomedical Metallic Materials, Northwest Institute for Non-Ferrous Metal Research, Xi'an 710016, China
| | - Lan Wang
- Shaanxi Key Laboratory of Biomedical Metallic Materials, Northwest Institute for Non-Ferrous Metal Research, Xi'an 710016, China
| | - Xiaocheng Li
- Shaanxi Key Laboratory of Biomedical Metallic Materials, Northwest Institute for Non-Ferrous Metal Research, Xi'an 710016, China
| | - Bo Lei
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi'an Jiaotong University, Xi'an 710000, China
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an 710000, China
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García G, Moreno-Serna V, Saavedra M, Cordoba A, Canales D, Alfaro A, Guzmán-Soria A, Orihuela P, Zapata S, Grande-Tovar CD, Valencia-Llano CH, Zapata PA. Electrospun scaffolds based on a PCL/starch blend reinforced with CaO nanoparticles for bone tissue engineering. Int J Biol Macromol 2024; 273:132891. [PMID: 38848852 DOI: 10.1016/j.ijbiomac.2024.132891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 05/27/2024] [Accepted: 06/02/2024] [Indexed: 06/09/2024]
Abstract
Electrospun nanocomposite scaffolds with improved bioactive and biological properties were fabricated from a blend of polycaprolactone (PCL) and starch, and then combined with 5 wt% of calcium oxide (CaO) nanoparticles sourced from eggshells. SEM analyses showed scaffolds with fibrillar morphology and a three-dimensional structure. The hydrophilicity of scaffolds was improved with starch and CaO nanoparticles, which was evidenced by enhanced water absorption (3500 %) for 7 days. In addition, PCL/Starch/CaO scaffolds exhibited major degradation, with a mass loss of approximately 60 % compared to PCL/Starch and PCL/CaO. The PCL/Starch/CaO scaffolds decreased in crystallinity as intermolecular interactions between the nanoparticles retarded the mobility of the polymeric chains, leading to a significant increase in Young's modulus (ca. 60 %) and a decrease in tensile strength and elongation at break, compared to neat PCL. SEM-EDS, FT-IR, and XRD analyses indicated that PCL/Starch/CaO scaffolds presented a higher biomineralization capacity due to the ability to form hydroxyapatite (HA) in their surface after 28 days. The PCL/Starch/CaO scaffolds showed attractive biological performance, allowing cell adhesion and viability of M3T3-E1 preosteoblastic cells. In vivo analysis using a subdermal dorsal model in Wistar rats showed superior biocompatibility and improved resorption process compared to a pure PCL matrix. This biological analysis suggested that the PCL/Starch/CaO electrospun mats are suitable scaffolds for guiding the regeneration of bone tissue.
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Affiliation(s)
- Gabriel García
- Universidad de Santiago de Chile (USACH), Facultad de Química y Biología, Departamento de Ciencias del Ambiente, Grupo Polímeros, Chile
| | - Viviana Moreno-Serna
- Laboratorio de Química Medicinal, Facultad de Ciencias de la Salud, Universidad Arturo Prat, Casilla 121, Iquique 1100000, Chile
| | - Marcela Saavedra
- Universidad de Santiago de Chile (USACH), Facultad de Química y Biología, Departamento de Ciencias del Ambiente, Grupo Polímeros, Chile
| | - Alexander Cordoba
- Universidad de Santiago de Chile (USACH), Facultad de Química y Biología, Departamento de Ciencias del Ambiente, Grupo Polímeros, Chile
| | - Daniel Canales
- Instituto de Ciencias Naturales, Facultad de Medicina Veterinaria y Agronomía, Universidad de Las Américas, Manuel Montt 948, Santiago 7500975, Chile
| | - Aline Alfaro
- Laboratorio de Inmunología de la Reproducción, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile; Centro para el Desarrollo en Nanociencia y Nanotecnología-CEDENNA, Universidad de Santiago de Chile, Santiago, Chile
| | - Aldo Guzmán-Soria
- Universidad de Santiago de Chile (USACH), Facultad de Química y Biología, Departamento de Ciencias del Ambiente, Grupo Polímeros, Chile; Laboratorio de Inmunología de la Reproducción, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
| | - Pedro Orihuela
- Laboratorio de Inmunología de la Reproducción, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile; Centro para el Desarrollo en Nanociencia y Nanotecnología-CEDENNA, Universidad de Santiago de Chile, Santiago, Chile
| | - Sebastián Zapata
- Universidad EIA, Escuela de Ingeniería y Ciencias Básicas. Departamento de Ingeniería de Sistemas y Computación, Grupo GIICA, Envigado, Colombia
| | - Carlos David Grande-Tovar
- Grupo de Investigación en Fotoquímica y Fotobiología, Universidad del Atlántico, Carrera 30 # 8-49, Puerto Colombia 081008, Colombia
| | | | - Paula A Zapata
- Universidad de Santiago de Chile (USACH), Facultad de Química y Biología, Departamento de Ciencias del Ambiente, Grupo Polímeros, Chile
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Álvarez-Carrasco F, Varela P, Sarabia-Vallejos MA, García-Herrera C, Saavedra M, Zapata PA, Zárate-Triviño D, Martínez JJ, Canales DA. Development of Bioactive Hybrid Poly(lactic acid)/Poly(methyl methacrylate) (PLA/PMMA) Electrospun Fibers Functionalized with Bioglass Nanoparticles for Bone Tissue Engineering Applications. Int J Mol Sci 2024; 25:6843. [PMID: 38999953 PMCID: PMC11241163 DOI: 10.3390/ijms25136843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2024] [Revised: 06/15/2024] [Accepted: 06/17/2024] [Indexed: 07/14/2024] Open
Abstract
Hybrid scaffolds that are based on PLA and PLA/PMMA with 75/25, 50/50, and 25/75 weight ratios and functionalized with 10 wt.% of bioglass nanoparticles (n-BG) were developed using an electrospinning technique with a chloroform/dimethylformamide mixture in a 9:1 ratio for bone tissue engineering applications. Neat PLA and PLA/PMMA hybrid scaffolds were developed successfully through a (CF/DMF) solvent system, obtaining a random fiber deposition that generated a porous structure with pore interconnectivity. However, with the solvent system used, it was not possible to generate fibers in the case of the neat PMMA sample. With the increase in the amount of PMMA in PLA/PMMA ratios, the fiber diameter of hybrid scaffolds decreases, and the defects (beads) in the fiber structure increase; these beads are associated with a nanoparticle agglomeration, that could be related to a low interaction between n-BG and the polymer matrix. The Young's modulus of PLA/PMMA/n-BG decreases by 34 and 80%, indicating more flexible behavior compared to neat PLA. The PLA/PMMA/n-BG scaffolds showed a bioactive property related to the presence of hydroxyapatite crystals in the fiber surface after 28 days of immersion in a Simulated Body Fluids solution (SBF). In addition, the hydrolytic degradation process of PLA/PMMA/n-BG, analyzed after 35 days of immersion in a phosphate-buffered saline solution (PBS), was less than that of the pure PLA. The in vitro analysis using an HBOF-1.19 cell line indicated that the PLA/PMMA/n-BG scaffold showed good cell viability and was able to promote cell proliferation after 7 days. On the other hand, the in vivo biocompatibility evaluated via a subdermal model in BALC male mice corroborated the good behavior of the scaffolds in avoiding the generation of a cytotoxic effect and being able to enhance the healing process, suggesting that the materials are suitable for potential applications in tissue engineering.
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Affiliation(s)
- Fabián Álvarez-Carrasco
- Laboratorio de Biomecánica y Biomateriales, Departamento de Ingeniería Mecánica, Facultad de Ingeniería, Universidad de Santiago de Chile, Santiago 9160000, Chile
| | - Pablo Varela
- Laboratorio de Biomecánica y Biomateriales, Departamento de Ingeniería Mecánica, Facultad de Ingeniería, Universidad de Santiago de Chile, Santiago 9160000, Chile
| | | | - Claudio García-Herrera
- Laboratorio de Biomecánica y Biomateriales, Departamento de Ingeniería Mecánica, Facultad de Ingeniería, Universidad de Santiago de Chile, Santiago 9160000, Chile
| | - Marcela Saavedra
- Grupo Polímeros, Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile, Casilla 40, Correo 33, Santiago 9160000, Chile
| | - Paula A Zapata
- Grupo Polímeros, Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile, Casilla 40, Correo 33, Santiago 9160000, Chile
| | - Diana Zárate-Triviño
- Laboratorio de Inmunología y Virología, Facultad de Ciencias Biológicas, Universidad Autónoma de Nuevo León, San Nicolás de los Garza 66455, Mexico
| | - Juan José Martínez
- Centro de Ingeniería y Desarrollo Industrial, Av. Playa Pie de la Cuesta No. 702, Desarrollo San Pablo, Santiago de Querétaro 76125, Mexico
| | - Daniel A Canales
- Instituto de Ciencias Naturales, Facultad de Medicina Veterinaria y Agronomía, Universidad de Las Américas, Manuel Montt 948, Santiago 7500975, Chile
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Loyo C, Cordoba A, Palza H, Canales D, Melo F, Vivanco JF, Baier RV, Millán C, Corrales T, Zapata PA. Effect of Gelatin Coating and GO Incorporation on the Properties and Degradability of Electrospun PCL Scaffolds for Bone Tissue Regeneration. Polymers (Basel) 2023; 16:129. [PMID: 38201794 PMCID: PMC10780398 DOI: 10.3390/polym16010129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 12/22/2023] [Accepted: 12/28/2023] [Indexed: 01/12/2024] Open
Abstract
Polymer-based nanocomposites such as polycaprolactone/graphene oxide (PCL/GO) have emerged as alternatives for bone tissue engineering (BTE) applications. The objective of this research was to investigate the impact of a gelatin (Gt) coating on the degradability and different properties of PCL nanofibrous scaffolds fabricated by an electrospinning technique with 1 and 2 wt% GO. Uniform PCL/GO fibers were obtained with a beadless structure and rough surface. PCL/GO scaffolds exhibited an increase in their crystallization temperature (Tc), attributed to GO, which acted as a nucleation agent. Young's modulus increased by 32 and 63% for the incorporation of 1 and 2 wt% GO, respectively, in comparison with neat PCL. A homogeneous Gt coating was further applied to these fibers, with incorporations as high as 24.7 wt%. The introduction of the Gt coating improved the hydrophilicity and degradability of the scaffolds. Bioactivity analysis revealed that the hydroxyapatite crystals were deposited on the Gt-coated scaffolds, which made them different from their uncoated counterparts. Our results showed the synergic effect of Gt and GO in enhancing the multifunctionality of the PCL, in particular the degradability rate, bioactivity, and cell adhesion and proliferation of hGMSC cells, making it an interesting biomaterial for BTE.
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Affiliation(s)
- Carlos Loyo
- Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile (USACH), Grupo Polímeros, Santiago 9160000, Chile; (C.L.); (A.C.)
- School of Chemical Sciences and Engineering, Yachay Tech University, Hda. San José s/n y Proyecto Yachay, Urcuquí 100119, Ecuador
| | - Alexander Cordoba
- Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile (USACH), Grupo Polímeros, Santiago 9160000, Chile; (C.L.); (A.C.)
| | - Humberto Palza
- Departamento de Ingeniería Química, Biotecnología y Materiales, Facultad de Ciencias Físicas y Matemáticas, Universidad de Chile, Beauchef 851, Casilla 277, Santiago 8370459, Chile;
| | - Daniel Canales
- Departamento de Ingeniería Mecánica, Facultad de Ingeniería, Universidad de Santiago de Chile (USACH), Santiago 9160000, Chile;
| | - Francisco Melo
- Departamento de Física y Soft Matter Research Center (SMAT-C), Universidad de Santiago de Chile (USACH), Av. Victor Jara 3493, Santiago 9160000, Chile;
| | - Juan F. Vivanco
- Facultad de Ingeniería y Ciencias, Universidad Adolfo Ibáñez, Viña del Mar 2580335, Chile;
| | - Raúl Vallejos Baier
- Facultad Artes Liberales, Universidad Adolfo Ibáñez, Santiago 7911328, Chile
| | - Carola Millán
- Facultad Artes Liberales, Universidad Adolfo Ibáñez, Viña del Mar 2580335, Chile;
| | - Teresa Corrales
- Grupo de Fotoquímica, Departamento de Química Macromolecular Aplicada, Instituto de Ciencia y Tecnología de Polímeros, C.S.I.C., Juan de la Cierva 3, 28006 Madrid, Spain;
| | - Paula A. Zapata
- Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile (USACH), Grupo Polímeros, Santiago 9160000, Chile; (C.L.); (A.C.)
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Chen PH, Chen CW, Mao HI, Dai CA, Su CS, Tsai JC, Lin FH. Bio-Based PLA/PBS/PBAT Ternary Blends with Added Nanohydroxyapatite: A Thermal, Physical, and Mechanical Study. Polymers (Basel) 2023; 15:4585. [PMID: 38232012 PMCID: PMC10708084 DOI: 10.3390/polym15234585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 11/22/2023] [Accepted: 11/28/2023] [Indexed: 01/19/2024] Open
Abstract
The physical and mechanical properties of novel bio-based polymer blends of polylactic acid (PLA), poly(butylene succinate) (PBS), and poly (butylene adipate-co-terephthalate) (PBAT) with various added amounts of nanohydroxyapatite (nHA) were investigated in this study. The formulations of PLA/PBS/PBAT/nHA blends were divided into two series, A and B, containing 70 or 80 wt% PLA, respectively. Samples of four specimens per series were prepared using a twin-screw extruder, and different amounts of nHA were added to meet the regeneration needs of bone graft materials. FTIR and XRD analyses were employed to identify the presence of each polymer and nHA in the various blends. The crystallization behavior of these blends was examined using DSC. Tensile and impact strength tests were performed on all samples to screen feasible formulations of polymer blends for bone graft material applications. Surface morphology analyses were conducted using SEM, and the dispersion of nHA particles in the blends was further tested using TEM. The added nHA also served as a nucleating agent aimed at improving the crystallinity and mechanical properties of the blends. Through the above analyses, the physical and mechanical properties of the polymer blends are reported and the most promising bone graft material formulations are suggested. All blends were tested for thermal degradation analysis using TGA and thermal stability was confirmed. The water absorption experiments carried out in this study showed that the addition of nHA could improve the hydrophilicity of the blends.
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Affiliation(s)
- Pei-Hua Chen
- Department of Biomedical Engineering, National Taiwan University, Taipei 106319, Taiwan;
- Department of Orthopedics, Shuang Ho Hospital, Taipei Medical University, New Taipei City 235041, Taiwan
| | - Chin-Wen Chen
- Department of Molecular Science and Engineering, Institute of Organic and Polymeric Materials, Research and Development Center of Smart Textile Technology, National Taipei University of Technology, Taipei 106344, Taiwan;
| | - Hsu-I Mao
- Department of Molecular Science and Engineering, Institute of Organic and Polymeric Materials, Research and Development Center of Smart Textile Technology, National Taipei University of Technology, Taipei 106344, Taiwan;
| | - Chi-An Dai
- Department of Chemical Engineering, Institute of Polymer Science and Engineering, National Taiwan University, Taipei 106319, Taiwan;
| | - Chie-Shaan Su
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei 106344, Taiwan;
| | - Jung-Chin Tsai
- Department of Chemical Engineering, Ming Chi University of Technology, New Taipei City 243303, Taiwan;
| | - Feng-Huei Lin
- Department of Biomedical Engineering, National Taiwan University, Taipei 106319, Taiwan;
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Salaris V, San Félix García-Obregón I, López D, Peponi L. Fabrication of PLA-Based Electrospun Nanofibers Reinforced with ZnO Nanoparticles and In Vitro Degradation Study. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2236. [PMID: 37570553 PMCID: PMC10420940 DOI: 10.3390/nano13152236] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 07/28/2023] [Accepted: 07/30/2023] [Indexed: 08/13/2023]
Abstract
In this work, electrospun nanofibers based on polylactic acid, PLA, reinforced with ZnO nanoparticles have been studied, considering the growing importance of electrospun mats based on biopolymers for their applications in different fields. Specifically, electrospun nanofibers based on PLA have been prepared by adding ZnO nanoparticles at different concentrations, such as 0.5, 1, 3, 5, 10 and 20 wt%, with respect to the polymer matrix. The materials have been characterized in terms of their morphological, mechanical, and thermal properties, finding 3 wt% as the best concentration to produce PLA nanofibers reinforced with ZnO nanoparticles. In addition, hydrolytic degradation in phosphate buffer solution (PBS) was carried out to study the effect of ZnO nanoparticles on the degradation behavior of PLA-based electrospun nanofiber mats, obtaining an acceleration in the degradation of the PLA electrospun mat.
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Affiliation(s)
| | | | - Daniel López
- Instituto de Ciencia y Tecnología de Polímeros (ICTP-CSIC), C/Juan de la Cierva 3, 28006 Madrid, Spain; (V.S.); (I.S.F.G.-O.)
| | - Laura Peponi
- Instituto de Ciencia y Tecnología de Polímeros (ICTP-CSIC), C/Juan de la Cierva 3, 28006 Madrid, Spain; (V.S.); (I.S.F.G.-O.)
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