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Cui Y, Hong S, Jiang W, Li X, Zhou X, He X, Liu J, Lin K, Mao L. Engineering mesoporous bioactive glasses for emerging stimuli-responsive drug delivery and theranostic applications. Bioact Mater 2024; 34:436-462. [PMID: 38282967 PMCID: PMC10821497 DOI: 10.1016/j.bioactmat.2024.01.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 12/17/2023] [Accepted: 01/02/2024] [Indexed: 01/30/2024] Open
Abstract
Mesoporous bioactive glasses (MBGs), which belong to the category of modern porous nanomaterials, have garnered significant attention due to their impressive biological activities, appealing physicochemical properties, and desirable morphological features. They hold immense potential for utilization in diverse fields, including adsorption, separation, catalysis, bioengineering, and medicine. Despite possessing interior porous structures, excellent morphological characteristics, and superior biocompatibility, primitive MBGs face challenges related to weak encapsulation efficiency, drug loading, and mechanical strength when applied in biomedical fields. It is important to note that the advantageous attributes of MBGs can be effectively preserved by incorporating supramolecular assemblies, miscellaneous metal species, and their conjugates into the material surfaces or intrinsic mesoporous networks. The innovative advancements in these modified colloidal inorganic nanocarriers inspire researchers to explore novel applications, such as stimuli-responsive drug delivery, with exceptional in-vivo performances. In view of the above, we outline the fabrication process of calcium-silicon-phosphorus based MBGs, followed by discussions on their significant progress in various engineered strategies involving surface functionalization, nanostructures, and network modification. Furthermore, we emphasize the recent advancements in the textural and physicochemical properties of MBGs, along with their theranostic potentials in multiple cancerous and non-cancerous diseases. Lastly, we recapitulate compelling viewpoints, with specific considerations given from bench to bedside.
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Affiliation(s)
| | | | | | - Xiaojing Li
- Department of Oral & Cranio-Maxillofacial Surgery, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, 200011, China
| | - Xingyu Zhou
- Department of Oral & Cranio-Maxillofacial Surgery, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, 200011, China
| | - Xiaoya He
- Department of Oral & Cranio-Maxillofacial Surgery, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, 200011, China
| | - Jiaqiang Liu
- Department of Oral & Cranio-Maxillofacial Surgery, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, 200011, China
| | - Kaili Lin
- Department of Oral & Cranio-Maxillofacial Surgery, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, 200011, China
| | - Lixia Mao
- Department of Oral & Cranio-Maxillofacial Surgery, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, 200011, China
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De Angelis N, Amaroli A, Lagazzo A, Barberis F, Zarro PR, Cappelli A, Sabbieti MG, Agas D. Multipotent Mesenchymal Cells Homing and Differentiation on Poly(ε-caprolactone) Blended with 20% Tricalcium Phosphate and Polylactic Acid Incorporating 10% Hydroxyapatite 3D-Printed Scaffolds via a Commercial Fused Deposition Modeling 3D Device. BIOLOGY 2023; 12:1474. [PMID: 38132300 PMCID: PMC10740731 DOI: 10.3390/biology12121474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 11/21/2023] [Accepted: 11/24/2023] [Indexed: 12/23/2023]
Abstract
As highlighted by the 'Global Burden of Disease Study 2019' conducted by the World Health Organization, ensuring fair access to medical care through affordable and targeted treatments remains crucial for an ethical global healthcare system. Given the escalating demand for advanced and urgently needed solutions in regenerative bone procedures, the critical role of biopolymers emerges as a paramount necessity, offering a groundbreaking avenue to address pressing medical needs and revolutionize the landscape of bone regeneration therapies. Polymers emerge as excellent solutions due to their versatility, making them reliable materials for 3D printing. The development and widespread adoption of this technology would impact production costs and enhance access to related healthcare services. For instance, in dentistry, the use of commercial polymers blended with β-tricalcium phosphate (TCP) is driven by the need to print a standardized product with osteoconductive features. However, modernization is required to bridge the gap between biomaterial innovation and the ability to print them through commercial printing devices. Here we showed, for the first time, the metabolic behavior and the lineage commitment of bone marrow-derived multipotent mesenchymal cells (MSCs) on the 3D-printed substrates poly(e-caprolactone) combined with 20% tricalcium phosphate (PCL + 20% β-TCP) and L-polylactic acid (PLLA) combined with 10% hydroxyapatite (PLLA + 10% HA). Although there are limitations in printing additive-enriched polymers with a predictable and short half-life, the tested 3D-printed biomaterials were highly efficient in supporting osteoinductivity. Indeed, considering different temporal sequences, both 3D-printed biomaterials resulted as optimal scaffolds for MSCs' commitment toward mature bone cells. Of interest, PLLA + 10% HA substrates hold the confirmation as the finest material for osteoinduction of MSCs.
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Affiliation(s)
- Nicola De Angelis
- Department of Surgical and Diagnostic Sciences (DISC), Unit of Implant and Prosthodontics, University of Genoa, 16132 Genoa, Italy;
- Department of Dentistry, University Trisakti, Jakarta 10110, Indonesia
| | - Andrea Amaroli
- Department of Earth, Environmental and Life Sciences (DISTAV), University of Genoa, 16132 Genoa, Italy
| | - Alberto Lagazzo
- Department of Civil, Chemical and Environmental Engineering (DICCA), University of Genoa, 16100 Genoa, Italy; (A.L.); (F.B.)
| | - Fabrizio Barberis
- Department of Civil, Chemical and Environmental Engineering (DICCA), University of Genoa, 16100 Genoa, Italy; (A.L.); (F.B.)
| | - Pier Raffaele Zarro
- School of Biosciences and Veterinary Medicine, University of Camerino, 62032 Camerino, Italy; (P.R.Z.); (A.C.); (D.A.)
| | - Alessia Cappelli
- School of Biosciences and Veterinary Medicine, University of Camerino, 62032 Camerino, Italy; (P.R.Z.); (A.C.); (D.A.)
| | - Maria Giovanna Sabbieti
- School of Biosciences and Veterinary Medicine, University of Camerino, 62032 Camerino, Italy; (P.R.Z.); (A.C.); (D.A.)
| | - Dimitrios Agas
- School of Biosciences and Veterinary Medicine, University of Camerino, 62032 Camerino, Italy; (P.R.Z.); (A.C.); (D.A.)
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Sui B, Xu Z, Xue Z, Xiang Y, Zhou T, Beltrán AM, Zheng K, Liu X, Boccaccini AR. Mussel-Inspired Polydopamine Composite Mesoporous Bioactive Glass Nanoparticles: An Exploration of Potential Metal-Ion Loading Platform and In Vitro Bioactivity. ACS APPLIED MATERIALS & INTERFACES 2023; 15:29550-29560. [PMID: 37278380 DOI: 10.1021/acsami.3c03680] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Exploring new approaches to realize the possibility of incorporating biologically active elements into mesoporous silicate bioactive glass nanoparticles (MBG NPs) and guaranteeing their meso- structural integrity and dimensional stability has become an attractive and interesting challenge in biomaterials science. We present a postgrafting strategy for introducing different metal elements into MBG NPs. This strategy is mediated by polydopamine (PDA) coating, achieving uniform loading of copper or copper-cobalt on the particles efficiently and ensuring the stability of MBG NPs in terms of particle size, mesoporous structure, and chemical structure. However, the PDA coating reduced the ion-binding free energy of the MBG NPs for calcium and phosphate ions, resulting in the deposition of minimal CaP clusters on the PDA@MBG NP surface when immersed for 7 days in simulated body fluid, indicating the absence of hydroxyapatite mineralization.
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Affiliation(s)
- Baiyan Sui
- Department of Dental Materials, Shanghai Biomaterials Research and Testing Center, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology, No. 639 Zhizaoju Road, 200011 Shanghai, China
- Institute of Biomaterials, University of Erlangen-Nuremberg, Cauerstr. 6, 91058 Erlangen, Germany
| | - Zhiyan Xu
- Institute of Biomaterials, University of Erlangen-Nuremberg, Cauerstr. 6, 91058 Erlangen, Germany
| | - Zhiyu Xue
- School of Materials and Energy, Advanced Energy Research Institute, Sichuan Provincial Engineering Research Center of Flexible Display Material Genome, University of Electronic Science and Technology of China, No.2006, Xiyuan Ave, 610054 Chengdu, China
| | - Yong Xiang
- School of Materials and Energy, Advanced Energy Research Institute, Sichuan Provincial Engineering Research Center of Flexible Display Material Genome, University of Electronic Science and Technology of China, No.2006, Xiyuan Ave, 610054 Chengdu, China
| | - Tian Zhou
- Department of Oral Maxillofacial-Head and Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, No. 639 Zhizaoju Road, 200011 Shanghai, China
| | - Ana M Beltrán
- Departamento de Ingeniería y Ciencia de los Materiales y del Transporte, Escuela Politécnica Superior, Universidad de Sevilla, Virgen de África 7, 41011 Sevilla, Spain
| | - Kai Zheng
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine and Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Hanzhong Rd.136, 210029 Nanjing, China
| | - Xin Liu
- Department of Dental Materials, Shanghai Biomaterials Research and Testing Center, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology, No. 639 Zhizaoju Road, 200011 Shanghai, China
| | - Aldo R Boccaccini
- Institute of Biomaterials, University of Erlangen-Nuremberg, Cauerstr. 6, 91058 Erlangen, Germany
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He L, Yin J, Gao X. Additive Manufacturing of Bioactive Glass and Its Polymer Composites as Bone Tissue Engineering Scaffolds: A Review. Bioengineering (Basel) 2023; 10:672. [PMID: 37370603 DOI: 10.3390/bioengineering10060672] [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: 04/25/2023] [Revised: 05/20/2023] [Accepted: 05/25/2023] [Indexed: 06/29/2023] Open
Abstract
Bioactive glass (BG) and its polymer composites have demonstrated great potential as scaffolds for bone defect healing. Nonetheless, processing these materials into complex geometry to achieve either anatomy-fitting designs or the desired degradation behavior remains challenging. Additive manufacturing (AM) enables the fabrication of BG and BG/polymer objects with well-defined shapes and intricate porous structures. This work reviewed the recent advancements made in the AM of BG and BG/polymer composite scaffolds intended for bone tissue engineering. A literature search was performed using the Scopus database to include publications relevant to this topic. The properties of BG based on different inorganic glass formers, as well as BG/polymer composites, are first introduced. Melt extrusion, direct ink writing, powder bed fusion, and vat photopolymerization are AM technologies that are compatible with BG or BG/polymer processing and were reviewed in terms of their recent advances. The value of AM in the fabrication of BG or BG/polymer composites lies in its ability to produce scaffolds with patient-specific designs and the on-demand spatial distribution of biomaterials, both contributing to effective bone defect healing, as demonstrated by in vivo studies. Based on the relationships among structure, physiochemical properties, and biological function, AM-fabricated BG or BG/polymer composite scaffolds are valuable for achieving safer and more efficient bone defect healing in the future.
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Affiliation(s)
- Lizhe He
- Center for Medical and Engineering Innovation, The First Affiliated Hospital of Ningbo University, Ningbo 315010, China
- The State Key Laboratory of Fluid Power Transmission and Control Systems, Key Laboratory of 3D Printing Process and Equipment of Zhejiang Province, School of Mechanical Engineering, Zhejiang University, Hangzhou 310028, China
| | - Jun Yin
- The State Key Laboratory of Fluid Power Transmission and Control Systems, Key Laboratory of 3D Printing Process and Equipment of Zhejiang Province, School of Mechanical Engineering, Zhejiang University, Hangzhou 310028, China
| | - Xiang Gao
- Department of Neurosurgery, The First Affiliated Hospital of Ningbo University, Ningbo 315010, China
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A Review on Manufacturing Processes of Biocomposites Based on Poly(α-Esters) and Bioactive Glass Fillers for Bone Regeneration. Biomimetics (Basel) 2023; 8:biomimetics8010081. [PMID: 36810412 PMCID: PMC9945144 DOI: 10.3390/biomimetics8010081] [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: 01/15/2023] [Revised: 01/28/2023] [Accepted: 01/31/2023] [Indexed: 02/16/2023] Open
Abstract
The incorporation of bioactive and biocompatible fillers improve the bone cell adhesion, proliferation and differentiation, thus facilitating new bone tissue formation upon implantation. During these last 20 years, those biocomposites have been explored for making complex geometry devices likes screws or 3D porous scaffolds for the repair of bone defects. This review provides an overview of the current development of manufacturing process with synthetic biodegradable poly(α-ester)s reinforced with bioactive fillers for bone tissue engineering applications. Firstly, the properties of poly(α-ester), bioactive fillers, as well as their composites will be defined. Then, the different works based on these biocomposites will be classified according to their manufacturing process. New processing techniques, particularly additive manufacturing processes, open up a new range of possibilities. These techniques have shown the possibility to customize bone implants for each patient and even create scaffolds with a complex structure similar to bone. At the end of this manuscript, a contextualization exercise will be performed to identify the main issues of process/resorbable biocomposites combination identified in the literature and especially for resorbable load-bearing applications.
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Yao H, Luo J, Deng Y, Li Z, Wei J. Alginate-modified mesoporous bioactive glass and its drug delivery, bioactivity, and osteogenic properties. Front Bioeng Biotechnol 2022; 10:994925. [PMID: 36277383 PMCID: PMC9579377 DOI: 10.3389/fbioe.2022.994925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 09/13/2022] [Indexed: 11/13/2022] Open
Abstract
Mesoporous bioactive glass (MBG) is widely used in bone tissue repairing and drug loading. However, burst release of drug and poor compatibility with other materials limited its application. It is an effective way to modify MBG with a polymer brush to improve the properties. Herein, an alginate-modified MBG was prepared, and then, the effects of ALG on the properties of MBG were investigated. The results demonstrate that ALG could improve the drug loading efficiency, prolong drug release times, and make orderly deposition of apatite on the surface of MBG. Furthermore, MBG@ALG significantly promoted the osteogenic differentiation of MC3T3-E1 cells, demonstrating that surface modification of MBG by ALG can improve its properties, which will further broaden the application of MBG in tissue engineering.
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Affiliation(s)
- Haiyan Yao
- School of Stomatology, Nanchang University, Nanchang, China
- College of Chemistry, Nanchang University, Nanchang, China
- Jiangxi Province Key Laboratory of Oral Biomedicine, Nanchang, China
| | - Jun Luo
- School of Stomatology, Nanchang University, Nanchang, China
- Jiangxi Province Key Laboratory of Oral Biomedicine, Nanchang, China
- Jiangxi Province Clinical Research Center for Oral Disease, Nanchang, China
| | - Yunyun Deng
- School of Stomatology, Nanchang University, Nanchang, China
- Jiangxi Province Key Laboratory of Oral Biomedicine, Nanchang, China
| | - Zhihua Li
- School of Stomatology, Nanchang University, Nanchang, China
- Jiangxi Province Key Laboratory of Oral Biomedicine, Nanchang, China
- Jiangxi Province Clinical Research Center for Oral Disease, Nanchang, China
- *Correspondence: Zhihua Li, ; Junchao Wei,
| | - Junchao Wei
- School of Stomatology, Nanchang University, Nanchang, China
- College of Chemistry, Nanchang University, Nanchang, China
- Jiangxi Province Key Laboratory of Oral Biomedicine, Nanchang, China
- Jiangxi Province Clinical Research Center for Oral Disease, Nanchang, China
- *Correspondence: Zhihua Li, ; Junchao Wei,
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Brézulier D, Chaigneau L, Jeanne S, Lebullenger R. The Challenge of 3D Bioprinting of Composite Natural Polymers PLA/Bioglass: Trends and Benefits in Cleft Palate Surgery. Biomedicines 2021; 9:1553. [PMID: 34829782 PMCID: PMC8615666 DOI: 10.3390/biomedicines9111553] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 10/15/2021] [Accepted: 10/19/2021] [Indexed: 11/22/2022] Open
Abstract
Cleft lip and palate is the fourth most common congenital malformation. Its prevalence is about 1 in 750 to 1 in 2000 live births. The consequences of this malformation are major: maxillary growth deficit, unaesthetic appearance, phonation disorders, difficulty in eating, and psycho-social disorders. Cleft palate repair establishes the division between the oral and nasal cavities. The alveolar bone graft is a key step. Different sites of autogenous bone harvesting are used, the most common being the iliac crest. Nevertheless, the large number of complications associated with harvesting has led to the use of substitute biomaterials. Bioactive glasses, discovered in 1969, are a group of synthetic silica-based materials with bone-bonding properties. Although 45S5 granular composition is commonly used in bone surgery to repair critical defects, it is only rarely used in the repair of cleft palates because this galenic form is only moderately adapted. However, advances in bone tissue engineering allow the shaping of three-dimensional scaffolds, which support colonization by host cells. Recent advances in computer-aided design/computer-aided manufacturing (CAD/CAM) have even led to the 3D printing of scaffolds combining 45S5 bioglass with a natural and biocompatible poly-lactic acid matrix. The shape of the parts is customized and adapted to the particular shape of the critical bone defects. The objective of this literature review is to highlight the particularities of alveolar defects subsequent to facial clefts, then to detail the characteristics of the materials and technologies used to elaborate 3D matrices by bioprinting. Finally, we will explore research directions regarding their use in reconstructive surgery of cleft palates.
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Affiliation(s)
- Damien Brézulier
- CNRS, University of Rennes, ISCR-UMR 6226, 35000 Rennes, France; (L.C.); (S.J.); (R.L.)
- Pôle Odontologie, CHU Rennes, University of Rennes, 35043 Rennes, France
| | - Louis Chaigneau
- CNRS, University of Rennes, ISCR-UMR 6226, 35000 Rennes, France; (L.C.); (S.J.); (R.L.)
| | - Sylvie Jeanne
- CNRS, University of Rennes, ISCR-UMR 6226, 35000 Rennes, France; (L.C.); (S.J.); (R.L.)
- Pôle Odontologie, CHU Rennes, University of Rennes, 35043 Rennes, France
| | - Ronan Lebullenger
- CNRS, University of Rennes, ISCR-UMR 6226, 35000 Rennes, France; (L.C.); (S.J.); (R.L.)
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Qian G, Zhang L, Liu X, Wu S, Peng S, Shuai C. Silver-doped bioglass modified scaffolds: A sustained antibacterial efficacy. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 129:112425. [PMID: 34579875 DOI: 10.1016/j.msec.2021.112425] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 08/24/2021] [Accepted: 09/06/2021] [Indexed: 10/20/2022]
Abstract
Implant-related bacterial infection is a serious complication, which even causes implant failure. Silver (Ag) nanoparticles are broadly used antibacterial agents due to their excellent antibacterial ability and broad-spectrum bactericidal property. However, the significance of burst release cannot be entirely ignored. In this study, Ag doped mesoporous bioactive glasses (Ag-MBG) nanospheres were synthesized using modified Stöber method, then incorporated into poly L-lactic acid (PLLA) matrix to prepare the composite scaffolds via selective laser sintering (SLS) technology. Herein, Mesoporous bioactive glasses (MBG) sol had many negatively-charged silicon hydroxyl groups, which could adsorb positively-charged Ag ions by electrostatic interaction and eventually form Si-O-Ag bonds into MBG. Moreover, MBG promoted osteoblast colonization due to its continuous release of Si ions. The results showed the Ag-MBG/PLLA scaffold could sustainedly release Ag ions for 28 days, and exhibited significantly antibacterial ability against Escherichia coli, its bacterial inhibition rate was over 80%. In addition, the composite scaffold also showed good cytocompatibility. It may be concluded that the prepared Ag-MBG/PLLA scaffold has great potential to repair implant-associated bone infection.
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Affiliation(s)
- Guowen Qian
- Institute of Bioadditive Manufacturing, Jiangxi University of Science and Technology, Nanchang 330013, China
| | - Lemin Zhang
- Institute of Bioadditive Manufacturing, Jiangxi University of Science and Technology, Nanchang 330013, China
| | - Xudan Liu
- Department of Periodontics, Xiangya Stomatological Hospital & Xiangya School of Stomatology Central South University, Changsha, Hunan 410013, China
| | - Shengda Wu
- Shenzhen University General Hospital, Shenzhen 518060, China
| | - Shuping Peng
- NHC Key Laboratory of Carcinogenesis, The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, School of Basic Medical Science, Central South University, Changsha 410078, China; School of Energy and Machinery Engineering, Jiangxi University of Science and Technology, Nanchang 330013, China.
| | - Cijun Shuai
- Institute of Bioadditive Manufacturing, Jiangxi University of Science and Technology, Nanchang 330013, China; State Key Laboratory of High Performance Complex Manufacturing, Central South University, Changsha 410083, China; Shenzhen Institute of Information Technology, Shenzhen 518172, China.
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Li P, Yin C, Li M, Li H, Yang B. A dry electroencephalogram electrode for applications in steady-state visual evoked potential-based brain-computer interface systems. Biosens Bioelectron 2021; 187:113326. [PMID: 34004544 DOI: 10.1016/j.bios.2021.113326] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Revised: 05/05/2021] [Accepted: 05/06/2021] [Indexed: 02/02/2023]
Abstract
High-efficiency electroencephalogram (EEG) dry electrodes are a key component of brain-computer interface (BCI) technology because of their direct contact with the scalp. In this study, a semi-flexible polydopamine (PDA)/Pt-TiO2 electrode is prepared for the dry-contact acquisition of EEG signals. The PDA biofilm adheres strongly to the scalp and maintains a dynamic balance of water and ions. The Pt nanoparticles and TiO2 nanotube array together result in fast electron transfer. Therefore, the interface impedance between the dry PDA/Pt-TiO2 electrode and scalp is as low as 19.63-24.53 kΩ. The spontaneous EEG signal collected simultaneously using the dry PDA/Pt-TiO2 and wet Ag/AgCl electrodes had a correlation coefficient of up to 99.9%. In a steady-state visual evoked potential (SSVEP)-based BCI system, the dry electrode was used to collect EEG feedback signals for stimulations at 27 different frequencies in the range of 7-19.25 Hz. For these feedback signals, O1, Oz, and O2 channels in the occipital area exhibited high signal-to-noise ratios of 11.3, 11.8, and 11 dB, respectively. A volunteer wore an EEG headband with three PDA/Pt-TiO2 dry electrodes and successfully controlled the robotic arm of the SSVEP-BCI system in the untrained mode. The dry PDA/Pt-TiO2 electrode-based EEG cap is comfortable to wear, the identification signals of the SSVEP paradigm are accurate, and it is suitable for controlling external devices including a keyboard in the SSVEP-BCI system.
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Affiliation(s)
- Phenghai Li
- Tianjin Key Laboratory of Film Electronic and Communication Devices, Engineering Research Center of Optoelectronic Devices & Communication Technology (Ministry of Education), School of Electrical and Electronic Engineering, Tianjin University of Technology, Tianjin, 300384, PR China
| | - Can Yin
- Tianjin Key Laboratory of Film Electronic and Communication Devices, Engineering Research Center of Optoelectronic Devices & Communication Technology (Ministry of Education), School of Electrical and Electronic Engineering, Tianjin University of Technology, Tianjin, 300384, PR China
| | - Mingji Li
- Tianjin Key Laboratory of Film Electronic and Communication Devices, Engineering Research Center of Optoelectronic Devices & Communication Technology (Ministry of Education), School of Electrical and Electronic Engineering, Tianjin University of Technology, Tianjin, 300384, PR China.
| | - Hongji Li
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, Tianjin Key Laboratory of Drug Targeting and Bioimaging, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin, 300384, PR China.
| | - Baohe Yang
- Tianjin Key Laboratory of Film Electronic and Communication Devices, Engineering Research Center of Optoelectronic Devices & Communication Technology (Ministry of Education), School of Electrical and Electronic Engineering, Tianjin University of Technology, Tianjin, 300384, PR China
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Rizal S, H. P. S. AK, Oyekanmi AA, Gideon ON, Abdullah CK, Yahya EB, Alfatah T, Sabaruddin FA, Rahman AA. Cotton Wastes Functionalized Biomaterials from Micro to Nano: A Cleaner Approach for a Sustainable Environmental Application. Polymers (Basel) 2021; 13:1006. [PMID: 33805242 PMCID: PMC8037842 DOI: 10.3390/polym13071006] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 03/17/2021] [Accepted: 03/22/2021] [Indexed: 12/17/2022] Open
Abstract
The exponential increase in textile cotton wastes generation and the ineffective processing mechanism to mitigate its environmental impact by developing functional materials with unique properties for geotechnical applications, wastewater, packaging, and biomedical engineering have become emerging global concerns among researchers. A comprehensive study of a processed cotton fibres isolation technique and their applications are highlighted in this review. Surface modification of cotton wastes fibre increases the adsorption of dyes and heavy metals removal from wastewater. Cotton wastes fibres have demonstrated high adsorption capacity for the removal of recalcitrant pollutants in wastewater. Cotton wastes fibres have found remarkable application in slope amendments, reinforcement of expansive soils and building materials, and a proven source for isolation of cellulose nanocrystals (CNCs). Several research work on the use of cotton waste for functional application rather than disposal has been done. However, no review study has discussed the potentials of cotton wastes from source (Micro-Nano) to application. This review critically analyses novel isolation techniques of CNC from cotton wastes with an in-depth study of a parameter variation effect on their yield. Different pretreatment techniques and efficiency were discussed. From the analysis, chemical pretreatment is considered the most efficient extraction of CNCs from cotton wastes. The pretreatment strategies can suffer variation in process conditions, resulting in distortion in the extracted cellulose's crystallinity. Acid hydrolysis using sulfuric acid is the most used extraction process for cotton wastes-based CNC. A combined pretreatment process, such as sonication and hydrolysis, increases the crystallinity of cotton-based CNCs. The improvement of the reinforced matrix interface of textile fibres is required for improved packaging and biomedical applications for the sustainability of cotton-based CNCs.
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Affiliation(s)
- Samsul Rizal
- Department of Mechanical Engineering, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia
| | - Abdul Khalil H. P. S.
- School of Industrial Technology, Universiti Sains Malaysia (USM), Penang 11800, Malaysia; (O.N.G.); (C.K.A.); (E.B.Y.); (T.A.); (F.A.S.)
| | - Adeleke A. Oyekanmi
- School of Industrial Technology, Universiti Sains Malaysia (USM), Penang 11800, Malaysia; (O.N.G.); (C.K.A.); (E.B.Y.); (T.A.); (F.A.S.)
| | - Olaiya N. Gideon
- School of Industrial Technology, Universiti Sains Malaysia (USM), Penang 11800, Malaysia; (O.N.G.); (C.K.A.); (E.B.Y.); (T.A.); (F.A.S.)
| | - Che K. Abdullah
- School of Industrial Technology, Universiti Sains Malaysia (USM), Penang 11800, Malaysia; (O.N.G.); (C.K.A.); (E.B.Y.); (T.A.); (F.A.S.)
| | - Esam B. Yahya
- School of Industrial Technology, Universiti Sains Malaysia (USM), Penang 11800, Malaysia; (O.N.G.); (C.K.A.); (E.B.Y.); (T.A.); (F.A.S.)
| | - Tata Alfatah
- School of Industrial Technology, Universiti Sains Malaysia (USM), Penang 11800, Malaysia; (O.N.G.); (C.K.A.); (E.B.Y.); (T.A.); (F.A.S.)
| | - Fatimah A. Sabaruddin
- School of Industrial Technology, Universiti Sains Malaysia (USM), Penang 11800, Malaysia; (O.N.G.); (C.K.A.); (E.B.Y.); (T.A.); (F.A.S.)
| | - Azhar A. Rahman
- School of Physics, Universiti Sains Malaysia (USM), Penang 11800, Malaysia;
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11
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Feng P, Peng S, Shuai C, Gao C, Yang W, Bin S, Min A. In Situ Generation of Hydroxyapatite on Biopolymer Particles for Fabrication of Bone Scaffolds Owning Bioactivity. ACS APPLIED MATERIALS & INTERFACES 2020; 12:46743-46755. [PMID: 32940994 DOI: 10.1021/acsami.0c13768] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Hydroxyapatite (HAP) can endow a biopolymer scaffold with good bioactivity and osteoconductive ability, while the interfacial bonding is fairly weak between HAP and biopolymers. In this study, HAP was in situ generated on poly(l-lactic acid) (PLLA) particles, and then they were used to fabricate a scaffold by selective laser sintering. Detailedly, PLLA particles were first functionalized by dopamine oxide polymerization, which introduced abundance active catechol groups on the particle surface, and subsequently, the catechol groups concentrated Ca2+ ions by chelation in a simulated body fluid solution, and then, Ca2+ ions absorbed PO43- ions through electrostatic interactions for in situ nucleation of HAP. The results indicated that HAP was homogeneously generated on the PLLA particle surface, and HAP and PLLA exhibited good interfacial bonding in the HAP/PLLA scaffolds. Meanwhile, the scaffolds displayed excellent bioactivity by inducing apatite precipitation and provided a good environment for human bone mesenchymal stem cell attachment, proliferation, and osteogenic differentiation. More importantly, the ingrowth of blood vessel and the formation of new bone could be stimulated by the scaffolds in vivo, and the bone volume fraction and bone mineral density increased by 44.44 and 41.73% compared with the pure PLLA scaffolds, respectively. Serum biochemical indexes fell within the normal range, which indicated that there was no harmful effect on the normal functioning of the body after implanting the scaffold.
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Affiliation(s)
- Pei Feng
- State Key Laboratory of High Performance Complex Manufacturing, College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China
| | - Shuping Peng
- NHC Key Laboratory of Carcinogenesis, School of basic Medical Science, Central South University, Changsha 410013, China
- School of Energy and Machinery Engineering, Jiangxi University of Science and Technology, Nanchang 330013, China
| | - Cijun Shuai
- State Key Laboratory of High Performance Complex Manufacturing, College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China
- Institute of Bioadditive Manufacturing, Jiangxi University of Science and Technology, Nanchang 330013, China
| | - Chengde Gao
- State Key Laboratory of High Performance Complex Manufacturing, College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China
| | - Wenjing Yang
- State Key Laboratory of High Performance Complex Manufacturing, College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China
| | - Shizhen Bin
- Department of Oncology, Third Xiangya Hospital of Central South University, Central South University, Changsha 410013, China
| | - Anjie Min
- Department of Oral and Maxillofacial Surgery, Center of Stomatology, Xiangya Hospital, Central South University, Changsha 410078, China
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12
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Guo Q, Chen J, Wang J, Zeng H, Yu J. Recent progress in synthesis and application of mussel-inspired adhesives. NANOSCALE 2020; 12:1307-1324. [PMID: 31907498 DOI: 10.1039/c9nr09780e] [Citation(s) in RCA: 158] [Impact Index Per Article: 39.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The rapid and robust adhesion of marine mussels to diverse solid surfaces in wet environments is mediated by the secreted mussel adhesive proteins which are abundant in a catecholic amino acid, l-3,4-dihydroxyphenylalanine (Dopa). Over the last two decades, enormous efforts have been devoted to the development of synthetic mussel-inspired adhesives with water-resistant adhesion and cohesion properties by modifying polymer systems with Dopa and its analogues. In the present review, an overview of the unique features of various mussel foot proteins is provided in combination with an up-to-date understanding of catechol chemistry, which contributes to the strong interfacial binding via balancing a variety of covalent and noncovalent interactions including oxidative cross-linking, electrostatic interaction, metal-catechol coordination, hydrogen bonding, hydrophobic interactions and π-π/cation-π interactions. The recent developments of novel Dopa-containing adhesives with on-demand mechanical properties and other functionalities are then summarized under four broad categories: viscous coacervated adhesives, soft adhesive hydrogels, smart adhesives, and stiff adhesive polyesters, where their emerging applications in engineering, biological and biomedical fields are discussed. Limitations of the developed adhesives are identified and future research perspectives in this field are proposed.
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Affiliation(s)
- Qi Guo
- School of Materials Science and Engineering, Nanyang Technological University, Singapore.
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13
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Wang S, Jiang D, Zhou Z, Shen Y, Jiang L. A novel photothermo-responsive nanocarrier for the controlled release of low-volatile fragrances. RSC Adv 2020; 10:14867-14876. [PMID: 35497152 PMCID: PMC9052029 DOI: 10.1039/c9ra10662f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Accepted: 04/02/2020] [Indexed: 12/13/2022] Open
Abstract
We herein present a facile approach to create polydopamine (PDA) modified silica-based nanocarriers for use in the encapsulation and photothermally responsive release of the synthetic sandalwood odorant Sandalore (SA) as a low-volatile model fragrance. The method involves impregnating mesoporous silica nanoparticles with an ethanol solution of SA followed by surface functionalization via the in situ self-polymerization of dopamine under alkaline conditions. The resulted nanocomposites have high fragrance loading capacity with up to ∼85% by weight of SA relative to the silica matrix and are capable of effectively preserving the cargo in the dark or indoors. The aroma release was significantly accelerated upon illumination due to the photothermal heating effect of the PDA shell, which is proportional to the coating content and the irradiation intensity. Additionally, the emulated laundry tests showed that the composites exhibited a higher deposition efficiency on the fabric surface and better washing-resistance as compared to the control particles without PDA coating. Polydopamine-modified nanocarriers were constructed for use in the encapsulation and photothermo-responsive release of the low-volatile synthetic odorant Sandalore.![]()
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Affiliation(s)
- Sihang Wang
- Key Laboratory of Macromolecular Synthesis and Functionalization of Ministry of Education
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Dong Jiang
- Key Laboratory of Macromolecular Synthesis and Functionalization of Ministry of Education
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Zhuxian Zhou
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education
- Center for Bionanoengineering
- College of Chemical and Biological Engineering
- Zhejiang University
- Hangzhou 310027
| | - Youqing Shen
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education
- Center for Bionanoengineering
- College of Chemical and Biological Engineering
- Zhejiang University
- Hangzhou 310027
| | - Liming Jiang
- Key Laboratory of Macromolecular Synthesis and Functionalization of Ministry of Education
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
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14
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Shaltooki M, Dini G, Mehdikhani M. Fabrication of chitosan-coated porous polycaprolactone/strontium-substituted bioactive glass nanocomposite scaffold for bone tissue engineering. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 105:110138. [PMID: 31546409 DOI: 10.1016/j.msec.2019.110138] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 08/24/2019] [Accepted: 08/25/2019] [Indexed: 11/25/2022]
Abstract
In the present study, porous (about 70 vol%) nanocomposite scaffolds made of polycaprolactone (PCL) and different amounts (0 to 15 wt%) of 45S bioactive glass (BG) nanoparticles (with a particle size of about 40 nm) containing 7 wt% strontium (Sr) were fabricated by solvent casting technique for bone tissue engineering. Then, a selected optimum scaffold was coated with a thin layer of chitosan containing 15 wt% Sr-substituted BG nanoparticles. Several techniques such as X-ray fluorescence spectroscopy (XRF), X-ray diffraction (XRD), scanning electron microscopy (SEM), dynamic light scattering (DLS), Fourier-transform infrared spectroscopy (FTIR), tensile test, and water contact angle measurement were used to characterize the fabricated samples. In vitro experiments including degradation, bioactivity, and biocompatibility (i.e., cytotoxicity, alkaline phosphate activity, and cell adhesion) tests of the fabricated scaffold were performed. The biomedical behavior of the fabricated PCL-based composite scaffold was interpreted by considering the presence of the porosity, Sr-substituted BG nanoparticles, and the chitosan coating. In conclusion, the fabricated chitosan-coated porous PCL/BG nanocomposite containing 15 wt% BG nanoparticles could be utilized as a good candidate for bone tissue engineering.
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Affiliation(s)
- M Shaltooki
- Department of Nanotechnology Engineering, Faculty of Advanced Sciences and Technologies, University of Isfahan, Isfahan 81746-73441, Iran
| | - G Dini
- Department of Nanotechnology Engineering, Faculty of Advanced Sciences and Technologies, University of Isfahan, Isfahan 81746-73441, Iran.
| | - M Mehdikhani
- Department of Biomedical Engineering, Faculty of Engineering, University of Isfahan, Isfahan 81746-73441, Iran
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15
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Han L, Jiang Y, Lv C, Gan D, Wang K, Ge X, Lu X. Mussel-inspired hybrid coating functionalized porous hydroxyapatite scaffolds for bone tissue regeneration. Colloids Surf B Biointerfaces 2019; 179:470-478. [DOI: 10.1016/j.colsurfb.2019.04.024] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2018] [Revised: 03/20/2019] [Accepted: 04/10/2019] [Indexed: 02/06/2023]
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16
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Gayer C, Ritter J, Bullemer M, Grom S, Jauer L, Meiners W, Pfister A, Reinauer F, Vučak M, Wissenbach K, Fischer H, Poprawe R, Schleifenbaum JH. Development of a solvent-free polylactide/calcium carbonate composite for selective laser sintering of bone tissue engineering scaffolds. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 101:660-673. [PMID: 31029360 DOI: 10.1016/j.msec.2019.03.101] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2018] [Revised: 02/26/2019] [Accepted: 03/26/2019] [Indexed: 11/25/2022]
Abstract
Since large bone defects cannot be healed by the body itself, continuous effort is put into the development of 3D scaffolds for bone tissue engineering. One method to fabricate such scaffolds is selective laser sintering (SLS). However, there is a lack of solvent-free prepared microparticles suitable for SLS. Hence, the aim of this study was to develop a solvent-free polylactide/calcium carbonate composite powder with tailored material properties for SLS. Four composite powders with a composition of approximately 75 wt% polylactide (PLLA as well as PDLLA) and 25 wt% calcium carbonate (calcite) were prepared by a milling process based on GMP standards. Four different grades of polylactide were chosen to cover a broad inherent viscosity range of 1.0-3.6 dl/g. The composite material with the lowest inherent viscosity (1.0 dl/g) showed the best processability by SLS. This was caused by the small polymer particle diameter (50 μm) and the small zero-shear melt viscosity (400 Pa·s), which led to fast sintering. The SLS process parameters were developed to achieve low micro-porosity (approx. 2%) and low polymer degradation (no measurable decrease of the inherent viscosity). A biaxial bending strength of up to 75 MPa was achieved. Cell culture assays indicated good viability of MG-63 osteoblast-like cells on the SLS specimens. Finally, the manufacture of 3D scaffolds with interconnected pore structure was demonstrated. After proving the biocompatibility of the material, the developed scaffolds could have great potential to be used as patient-specific bone replacement implants.
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Affiliation(s)
- Christoph Gayer
- Fraunhofer Institute for Laser Technology ILT, Steinbachstrasse 15, 52074 Aachen, Germany.
| | - Jessica Ritter
- Department of Dental Materials and Biomaterials Research, RWTH Aachen University Hospital, Pauwelsstrasse 30, 52074 Aachen, Germany
| | - Martin Bullemer
- EOS GmbH, Robert-Stirling-Ring 1, 82152 Krailling/Munich, Germany.
| | - Stefanie Grom
- Karl Leibinger Medizintechnik GmbH & Co. KG, Kolbinger Strasse 10, 78570 Mühlheim/Donau, Germany.
| | - Lucas Jauer
- Fraunhofer Institute for Laser Technology ILT, Steinbachstrasse 15, 52074 Aachen, Germany.
| | - Wilhelm Meiners
- Fraunhofer Institute for Laser Technology ILT, Steinbachstrasse 15, 52074 Aachen, Germany.
| | - Andreas Pfister
- EOS GmbH, Robert-Stirling-Ring 1, 82152 Krailling/Munich, Germany.
| | - Frank Reinauer
- Karl Leibinger Medizintechnik GmbH & Co. KG, Kolbinger Strasse 10, 78570 Mühlheim/Donau, Germany.
| | - Marijan Vučak
- SCHAEFER KALK GmbH & Co. KG, Louise-Seher-Strasse 6, 65582 Diez, Germany.
| | - Konrad Wissenbach
- Fraunhofer Institute for Laser Technology ILT, Steinbachstrasse 15, 52074 Aachen, Germany.
| | - Horst Fischer
- Department of Dental Materials and Biomaterials Research, RWTH Aachen University Hospital, Pauwelsstrasse 30, 52074 Aachen, Germany.
| | - Reinhart Poprawe
- RWTH Aachen University - Chair for Laser Technology LLT, Steinbachstrasse 15, 52074 Aachen, Germany.
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17
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Diermann SH, Lu M, Dargusch M, Grøndahl L, Huang H. Akermanite reinforced PHBV scaffolds manufactured using selective laser sintering. J Biomed Mater Res B Appl Biomater 2019; 107:2596-2610. [DOI: 10.1002/jbm.b.34349] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Revised: 02/15/2019] [Accepted: 02/18/2019] [Indexed: 12/30/2022]
Affiliation(s)
- Sven H. Diermann
- School of Mechanical and Mining EngineeringThe University of Queensland Queensland Australia
| | - Mingyuan Lu
- School of Mechanical and Mining EngineeringThe University of Queensland Queensland Australia
| | - Matthew Dargusch
- School of Mechanical and Mining EngineeringThe University of Queensland Queensland Australia
| | - Lisbeth Grøndahl
- School of Chemistry and Molecular BiosciencesThe University of Queensland Queensland Australia
- Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland Queensland Australia
| | - Han Huang
- School of Mechanical and Mining EngineeringThe University of Queensland Queensland Australia
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18
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Feng P, He J, Peng S, Gao C, Zhao Z, Xiong S, Shuai C. Characterizations and interfacial reinforcement mechanisms of multicomponent biopolymer based scaffold. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 100:809-825. [PMID: 30948118 DOI: 10.1016/j.msec.2019.03.030] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2018] [Revised: 03/02/2019] [Accepted: 03/09/2019] [Indexed: 12/20/2022]
Abstract
It is difficult for a single component biopolymer to meet the requirements of scaffold at present. The development of multicomponent biopolymer based scaffold provides an effective method to solve the issue based on the advantages of each kind of the biomaterials. However, the compatibility between different components might be very poor due to the difficulties in forming strong interfacial bonding, and thereby significantly degrading the integrated mechanical properties of the scaffold. In recent years, interface phase introduction, surface modification and in situ growth have been the major strategies for enhancing interfacial bonding. This article presents a comprehensive overview on the research in the area of constructing multicomponent biopolymer based scaffold and reinforcing their interfacial properties, and more importantly, the interfacial bonding mechanisms are systematically summarized. Detailly, interface phase introduction can build a bridge between biopolymer and other components to form strong interface bonding with the two phases under the action of interface phase. Surface modification can graft organic molecules or polymers containing functional groups onto other components to crosslink with biopolymer. In situ growth can directly in situ synthesize other components with the action of nucleating agent serving as an adherent platform for the nucleation and growth of other components to biopolymer surface by chemical bonding. In addition, the mechanical properties (including strength and modulus) and biological properties (including bioactivity, cytocompatibility and biosensing in vitro, and tissue compatibility, bone regeneration capacity in vivo) of multicomponent biopolymer based scaffold after interfacial reinforcing are also reviewed and discussed. Finally, suggestions for further research are given with highlighting the need for specific investigations to assess the interface formation, structure, properties, and more in vivo studies of scaffold before applications.
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Affiliation(s)
- Pei Feng
- State Key Laboratory of High Performance Complex Manufacturing, College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China
| | - Jiyao He
- State Key Laboratory of High Performance Complex Manufacturing, College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China
| | - Shuping Peng
- Hunan Provincial Tumor Hospital and the Affiliated Tumor Hospital of Xiangya School of Medicine, Central South University, Changsha 410013, China
| | - Chengde Gao
- State Key Laboratory of High Performance Complex Manufacturing, College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China
| | - Zhenyu Zhao
- Shenzhen Institute of Information Technology, Shenzhen 518172, China
| | - Shixian Xiong
- Jiangxi University of Science and Technology, Ganzhou 341000, China
| | - Cijun Shuai
- State Key Laboratory of High Performance Complex Manufacturing, College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China; Jiangxi University of Science and Technology, Ganzhou 341000, China; Shenzhen Institute of Information Technology, Shenzhen 518172, China.
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19
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Gritsch L, Conoscenti G, La Carrubba V, Nooeaid P, Boccaccini AR. Polylactide-based materials science strategies to improve tissue-material interface without the use of growth factors or other biological molecules. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 94:1083-1101. [DOI: 10.1016/j.msec.2018.09.038] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Revised: 08/14/2018] [Accepted: 09/11/2018] [Indexed: 01/11/2023]
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