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Mohsen Dehnavi S, Barjasteh M, Ahmadi Seyedkhani Project Manager S, Yahya Rahnamaee S, Bagheri Resource R. A Novel Silver-based Metal-Organic Framework Incorporated into Nanofibrous Chitosan Coatings for Bone Tissue Implants. Int J Pharm 2023; 640:123047. [PMID: 37187415 DOI: 10.1016/j.ijpharm.2023.123047] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Revised: 05/07/2023] [Accepted: 05/09/2023] [Indexed: 05/17/2023]
Abstract
In this work, new multilayer nanocomposite coatings comprised of chitosan (CS) nanofibers functionalized using an innovative silver base metal-organic framework (SOF) were developed. The SOFs were produced via a facile process using green and environmental-friendly materials. The CS-SOF nanocomposites were coated on hierarchical oxide (HO) layer fabricated on titanium surfaces by an innovative two-step etching process. X-ray diffraction revealed fruitful production of the SOF NPs and their stable crystalline structure within the nanocomposite coatings. Energy-dispersive x-ray spectroscopy approved uniform SOFs distribution in the CS-SOF nanocomposites. Atomic force microscopy indicated more than 700% increased nanoscale roughness for treated surfaces compared to the bare sample. In vitro MTT assay revealed proper cell viabilities on the samples, however, high SOFs concentration led to less biocompatibility. All coatings indicated positive cell proliferation rates up to 45% after 72 h. Antibacterial studies showed significant inhibition zones against Escherichia coli and Staphylococcus aureus bacteria with 100-200% effective antibacterial activities. Electron microscopy showed excellent cell attachments on the CS-SOF nanocomposites with expanded morphologies and long filopodia. The prepared coatings exhibited high apatite formation capability and bone bioactivity.
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Affiliation(s)
- Seyed Mohsen Dehnavi
- Department of Cell and Molecular Biology, Faculty of Life Science and Biotechnology, Shahid Beheshti University, P.O. Box 19839-69411, Tehran, Iran.
| | - Mahdi Barjasteh
- Institute for Nanoscience and Nanotechnology (INST), Sharif University of Technology, P.O. Box 14588-89694, Tehran, Iran
| | | | - Seyed Yahya Rahnamaee
- Polymeric Materials Research Group (PMRG), Department of Materials Science and Engineering, Sharif University of Technology, P.O. Box 14588-89694, Tehran, Iran
| | - Reza Bagheri Resource
- Polymeric Materials Research Group (PMRG), Department of Materials Science and Engineering, Sharif University of Technology, P.O. Box 14588-89694, Tehran, Iran
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Tailored Polyelectrolyte Multilayer Systems by Variation of Polyelectrolyte Composition and EDC/NHS Cross-Linking: Controlled Drug Release vs. Drug Reservoir Capabilities and Cellular Response for Improved Osseointegration. Polymers (Basel) 2022; 14:polym14204315. [PMID: 36297892 PMCID: PMC9609345 DOI: 10.3390/polym14204315] [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: 09/08/2022] [Revised: 10/05/2022] [Accepted: 10/10/2022] [Indexed: 11/05/2022] Open
Abstract
Polyelectrolyte multilayers (PEM) are versatile tools used to investigate fundamental interactions between material-related parameters and the resulting performance in stem cell differentiation, respectively, in bone tissue engineering. In the present study, we investigate the suitability of PEMs with a varying collagen content for use as drug carriers for the human bone morphogenetic protein 2 (rhBMP-2). We use three different PEM systems consisting either of the positively charged poly-L-lysine or the glycoprotein collagen type I and the negatively charged glycosaminoglycan heparin. For a specific modification of the loading capacity and the release kinetics, the PEMs were stepwise cross-linked before loading with cytokine. We demonstrate the possibility of immobilizing significant amounts of rhBMP-2 in all multilayer systems and to specifically tune its release via cross-linking. Furthermore, we prove that the drug release of rhBMP-2 plays only a minor role in the differentiation of osteoprogenitor cells. We find a significantly higher influence of the immobilized rhBMP-2 within the collagen-rich coatings that obviously represent an excellent mimicry of the native extracellular matrix. The cytokine immobilized in its bioactive form was able to achieve an increase in orders of magnitude both in the early stages of differentiation and in late calcification compared to the unloaded layers.
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Synergistic Wound Healing by Novel Ag@ZIF-8 Nanostructures. Int J Pharm 2022; 629:122339. [DOI: 10.1016/j.ijpharm.2022.122339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Revised: 10/10/2022] [Accepted: 10/22/2022] [Indexed: 11/06/2022]
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Chan NJ, Lentz S, Gurr PA, Tan S, Scheibel T, Qiao GG. Vernetzte Polypeptide durch RAFT‐vermittelte Polymerisation zum kontinuierlichen Aufbau von Polymerfilmen. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202112842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Nicholas J. Chan
- Polymer Science Group Department of Chemical Engineering University of Melbourne Parkville, Melbourne Victoria 3010 Australien
- Lehrstuhl Biomaterialien Universität Bayreuth Prof.-Rüdiger-Bormann-Str. 1 95447 Bayreuth Deutschland
| | - Sarah Lentz
- Polymer Science Group Department of Chemical Engineering University of Melbourne Parkville, Melbourne Victoria 3010 Australien
- Lehrstuhl Biomaterialien Universität Bayreuth Prof.-Rüdiger-Bormann-Str. 1 95447 Bayreuth Deutschland
| | - Paul A. Gurr
- Polymer Science Group Department of Chemical Engineering University of Melbourne Parkville, Melbourne Victoria 3010 Australien
| | - Shereen Tan
- Polymer Science Group Department of Chemical Engineering University of Melbourne Parkville, Melbourne Victoria 3010 Australien
| | - Thomas Scheibel
- Lehrstuhl Biomaterialien Universität Bayreuth Prof.-Rüdiger-Bormann-Str. 1 95447 Bayreuth Deutschland
| | - Greg G. Qiao
- Polymer Science Group Department of Chemical Engineering University of Melbourne Parkville, Melbourne Victoria 3010 Australien
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Chan NJA, Lentz S, Gurr PA, Tan S, Scheibel T, Qiao GG. Crosslinked polypeptide films via RAFT mediated continuous assembly of polymers. Angew Chem Int Ed Engl 2021; 61:e202112842. [PMID: 34861079 PMCID: PMC9305155 DOI: 10.1002/anie.202112842] [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: 09/21/2021] [Indexed: 11/08/2022]
Abstract
Polypeptide coatings are a cornerstone in the field of surface modification due to their widespread biological potential. As their properties are dictated by their structural features, subsequent control thereof using unique fabrication strategies is important. Herein, we report a facile method of precisely creating densely crosslinked polypeptide films with unusually high random coil conformations through continuous assembly polymerization via reversible addition-fragmentation chain transfer (CAP-RAFT). CAP-RAFT was fundamentally investigated using methacrylated poly- L -lysine (PLLMA) and methacrylated poly- L -glutamic acid (PLGMA). Careful technique refinement resulted in films up to 36.1 ± 1.1 nm thick which could be increased to 94.9 ± 8.2 nm after using this strategy multiple times. PLLMA and PLGMA films were found to have 30-50% random coil conformations. Degradation by enzymes present during wound healing reveals potential for applications in drug delivery and tissue engineering.
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Affiliation(s)
- Nicholas Jun-An Chan
- The University of Melbourne, Chemical and Biomolecular Engineering, 154 Masson Rd, Chemistry Building East Wing, 3052, Parkville, AUSTRALIA
| | - Sarah Lentz
- Universität Bayreuth: Universitat Bayreuth, Biomaterialien, Prof.-Rüdiger-Bormann-Str. 1, 95447, Bayreuth, GERMANY
| | - Paul Andrew Gurr
- The University of Melbourne, Chemical and Biomolecular Engineering, 154 Masson Rd, Chemistry Building East Wing, 3052, Parkville, AUSTRALIA
| | - Shereen Tan
- The University of Melbourne, Chemical and Biomolecular Engineering, 154 Masson Rd, Chemistry Building East Wing, 3052, Parkville, AUSTRALIA
| | - Thomas Scheibel
- Universität Bayreuth: Universitat Bayreuth, Biomaterials, Prof.-Rüdiger-Bormann-Str. 1, 95447, Bayreuth, GERMANY
| | - Greg G Qiao
- The University of Melbourne, Department of Chemical and Biomolecular Engineering, The University of Melbourne, 3010, Melbourne, AUSTRALIA
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Encapsulation of Low-Molecular-Weight Drugs into Polymer Multilayer Capsules Templated on Vaterite CaCO 3 Crystals. MICROMACHINES 2020; 11:mi11080717. [PMID: 32722123 PMCID: PMC7463826 DOI: 10.3390/mi11080717] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 07/21/2020] [Accepted: 07/22/2020] [Indexed: 12/17/2022]
Abstract
Polyelectrolyte multilayer capsules (PEMCs) templated onto biocompatible and easily degradable vaterite CaCO3 crystals via the layer-by-layer (LbL) polymer deposition process have served as multifunctional and tailor-made vehicles for advanced drug delivery. Since the last two decades, the PEMCs were utilized for effective encapsulation and controlled release of bioactive macromolecules (proteins, nucleic acids, etc.). However, their capacity to host low-molecular-weight (LMW) drugs (<1–2 kDa) has been demonstrated rather recently due to a limited retention ability of multilayers to small molecules. The safe and controlled delivery of LMW drugs plays a vital role for the treatment of cancers and other diseases, and, due to their tunable and inherent properties, PEMCs have shown to be good candidates for smart drug delivery. Herein, we summarize recent progress on the encapsulation of LMW drugs into PEMCs templated onto vaterite CaCO3 crystals. The drug loading and release mechanisms, advantages and limitations of the PEMCs as LMW drug carriers, as well as bio-applications of drug-laden capsules are discussed based upon the recent literature findings.
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Zhang S, Zhou S, Liu H, Xing M, Ding B, Li B. Pinecone-Inspired Nanoarchitectured Smart Microcages Enable Nano/Microparticle Drug Delivery. ADVANCED FUNCTIONAL MATERIALS 2020; 30:2002434. [PMID: 32684911 PMCID: PMC7357249 DOI: 10.1002/adfm.202002434] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 04/07/2020] [Accepted: 04/08/2020] [Indexed: 05/22/2023]
Abstract
Drug delivery plays a vital role in medicine and health, but the on-demand delivery of large-sized drugs using stimuli-triggered carriers is extremely challenging. Most present capsules consist of polymeric dense shells with nanosized pores (<10 nm), thus typically lack permeability for nano/microparticle drugs. Here, a pinecone-inspired smart microcage with open network shells, assembled from cellulose nanofibrils (CNFs), is reported for nano/microparticle drug delivery. The approach allows the nanoarchitectured, functionalized CNFs to assemble into mechanically robust, haystack-like network shells with tunable large-through pores and polypeptide-anchored points on a large scale. Such open network shells can intelligently open/close triggered by lesion stimuli, making the therapy "always on-demand." The resulting pinecone-inspired microcages exhibit integrated properties of superior structural stability, superhydrophilicity, and pH-triggered, smart across-shell transport of emerging antimicrobial silver nanoparticles and bioactive silicate nanoplatelets (sizes of >100 nm), which enable both extraordinary anti-infection and bone regeneration. This work provides new insights into the design and development of multifunctional encapsulation and delivery carriers for medical and environmental applications.
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Affiliation(s)
- Shichao Zhang
- Department of OrthopedicsSchool of MedicineWest Virginia UniversityMorgantownWV26506USA
| | - Sheng Zhou
- Department of OrthopedicsSchool of MedicineWest Virginia UniversityMorgantownWV26506USA
| | - Hui Liu
- Innovation Center for Textile Science and TechnologyDonghua UniversityShanghai200051China
| | - Malcolm Xing
- Department of Mechanical EngineeringUniversity of ManitobaWinnipegMBR3T 2N2Canada
- The Children's Hospital Research Institute of ManitobaWinnipegMBR3E 3P4Canada
| | - Bin Ding
- Innovation Center for Textile Science and TechnologyDonghua UniversityShanghai200051China
| | - Bingyun Li
- Department of OrthopedicsSchool of MedicineWest Virginia UniversityMorgantownWV26506USA
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Grohmann S, Menne M, Hesse D, Bischoff S, Schiffner R, Diefenbeck M, Liefeith K. Biomimetic multilayer coatings deliver gentamicin and reduce implant-related osteomyelitis in rats. ACTA ACUST UNITED AC 2019; 64:383-395. [PMID: 30173199 DOI: 10.1515/bmt-2018-0044] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Accepted: 07/16/2018] [Indexed: 02/01/2023]
Abstract
Implant-related infections like periprosthetic joint infections (PJI) are still a challenging issue in orthopedic surgery. In this study, we present a prophylactic anti-infective approach based on a local delivery of the antibiotic gentamicin. The local delivery is achieved via a nanoscale polyelectrolyte multilayer (PEM) coating that leaves the bulk material properties of the implant unaffected while tuning the surface properties. The main components of the coating, i.e. polypeptides and sulfated glycosaminoglycans (sGAG) render this coating both biomimetic (matrix mimetic) and biodegradable. We show how adaptions in the conditions of the multilayer assembly process and the antibiotic loading process affect the amount of delivered gentamicin. The highest concentration of gentamicin could be loaded into films composed of polypeptide poly-glutamic acid when the pH of the loading solution was acidic. The concentration of gentamicin on the surface could be tailored with the number of deposited PEM layers. The resulting coatings reveal a bacteriotoxic effect on Staphylococcus cells but show no signs of cytotoxic effects on MC3T3-E1 osteoblasts. Moreover, when multilayer-coated titanium rods were implanted into contaminated medullae of rat tibiae, a reduction in the development of implant-related osteomyelitis was observed. This reduction was more pronounced for the multifunctional, matrix-mimetic heparin-based coatings that only deliver lower amounts of gentamicin.
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Affiliation(s)
- Steffi Grohmann
- Institute for Bioprocessing and Analytical Measurement Techniques (iba) e.V., Department of Biomaterials, 37308 Heilbad Heiligenstadt, Germany
| | - Manuela Menne
- Institute for Bioprocessing and Analytical Measurement Techniques (iba) e.V., Department of Biomaterials, 37308 Heilbad Heiligenstadt, Germany
| | - Diana Hesse
- Institute for Bioprocessing and Analytical Measurement Techniques (iba) e.V., Department of Biomaterials, 37308 Heilbad Heiligenstadt, Germany
| | - Sabine Bischoff
- Institute for Laboratory Animal Science and Welfare, University Hospital, 07743 Jena, Germany
| | - René Schiffner
- Orthopaedic Department, University Hospital, 07743 Jena, Germany
| | - Michael Diefenbeck
- Scientific Consulting in Orthopaedic Surgery and Traumatology, 22081 Hamburg, Germany
| | - Klaus Liefeith
- Institute for Bioprocessing and Analytical Measurement Techniques (iba) e.V., Department of Biomaterials, 37308 Heilbad Heiligenstadt, Germany
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Zhang S, Xing M, Li B. Recent advances in musculoskeletal local drug delivery. Acta Biomater 2019; 93:135-151. [PMID: 30685475 PMCID: PMC6615977 DOI: 10.1016/j.actbio.2019.01.043] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Revised: 12/18/2018] [Accepted: 01/22/2019] [Indexed: 12/17/2022]
Abstract
Musculoskeletal disorders are a significant burden on the global economy and public health. Advanced drug delivery plays a key role in the musculoskeletal field and holds the promise of enhancing the repair of degenerated and injured musculoskeletal tissues. Ideally, drug delivery should have the ability to directly deliver therapeutic agents to the diseased/injured sites with a desirable drug level over a period of time. Here, we present a mini-review of the current state-of-the-art research associated with local drug delivery and its use for the treatment of musculoskeletal disorders. First, an overview of drug delivery strategies, with a focus on issues related to musculoskeletal pathology, potential therapeutic strategies, conventional and non-conventional drugs, and various delivery systems, is introduced. Then, we highlight recent advances in the emerging fields of musculoskeletal local drug delivery, involving therapeutic drugs (e.g., genes, small molecule therapeutics, and stem cells), novel delivery vehicles (e.g., 3D printing and tissue engineering techniques), and innovative delivery approaches (e.g., multi-drug delivery and smart stimuli-responsive delivery). The review concludes with future perspectives and associated challenges for developing local drug delivery for musculoskeletal applications. STATEMENT OF SIGNIFICANCE: Three important aspects are highlighted in this manuscript: 1) The advanced musculoskeletal drug delivery is introduced from the aspects ranging from musculoskeletal disorders, potential therapeutic solutions, and various drug delivery systems. 2) The recent advances in the emerging fields of musculoskeletal local drug delivery, involving therapeutic drugs (e.g., genes, small molecule therapeutics, and stem cells), novel delivery vehicles (e.g., 3D printing and tissue engineering technique), and innovative delivery approaches (e.g., multi-drug delivery and smart stimuli-responsive delivery), are highlighted. 3) The challenges and perspectives of future research directions in the development of musculoskeletal local drug delivery are presented.
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Affiliation(s)
- Shichao Zhang
- Department of Orthopaedics, School of Medicine, West Virginia University, Morgantown, WV 26506-9196, United States
| | - Malcolm Xing
- Department of Mechanical Engineering, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
| | - Bingyun Li
- Department of Orthopaedics, School of Medicine, West Virginia University, Morgantown, WV 26506-9196, United States.
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Zhang S, Xing M, Li B. Capsule-Integrated Polypeptide Multilayer Films for Effective pH-Responsive Multiple Drug Co-Delivery. ACS APPLIED MATERIALS & INTERFACES 2018; 10:44267-44278. [PMID: 30511568 PMCID: PMC6461212 DOI: 10.1021/acsami.8b17264] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Many applications using drug-carrying biomedical materials require on-demand, localized delivery of multiple therapeutic agents in precisely controlled and patient-specific time sequences, especially after assembly of the delivery vehicles; however, creating such materials has proven extremely challenging. Here, we report a novel strategy to create polypeptide multilayer films integrated with capsules as vehicles for co-delivery of multiple drugs using layer-by-layer self-assembly technology. Our approach allows the multilayered polypeptide nanofilms and preimpregnated capsules to assemble into innovative biomedical materials with high and controllable loading of multiple drugs at any time postpreparation and to achieve pH-responsive and sustained release. The resulting capsule-integrated polypeptide multilayer films effectively co-deliver various drugs with very different properties, including proteins (e.g., growth factors) and nanoparticles, achieving bovine serum albumin loading of 80 μg cm-2 and release of 2 weeks, and histone loading of 100 μg cm-2 and release of 6 weeks; which also enable Staphylococcus aureus killing efficacy of 83% while maintaining osteoblast viability of >85% with silver nanoparticle delivery; and >5-fold cell adhesion and proliferation capability with live cell percentage of >90% via human recombinant bone morphogenetic protein 2 delivery. The successful development of such fascinating materials can not only function as advanced nanocoatings to reduce two major complications of orthopedic bone injuries (i.e., infection and delayed bone regeneration) but also provide new insights into the design and development of multifunctional materials for various other biomedical applications.
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Affiliation(s)
- Shichao Zhang
- Department of Orthopaedics, School of Medicine, West Virginia University, Morgantown, West Virginia 26506, United States
| | - Malcolm Xing
- Department of Mechanical Engineering, University of Manitoba, and The Children’s Hospital Research Institute of Manitoba, Winnipeg, Manitoba R3E 3P4, Canada
| | - Bingyun Li
- Department of Orthopaedics, School of Medicine, West Virginia University, Morgantown, West Virginia 26506, United States
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Zhang S, Xing M, Li B. Biomimetic Layer-by-Layer Self-Assembly of Nanofilms, Nanocoatings, and 3D Scaffolds for Tissue Engineering. Int J Mol Sci 2018; 19:E1641. [PMID: 29865178 PMCID: PMC6032323 DOI: 10.3390/ijms19061641] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Revised: 05/29/2018] [Accepted: 05/30/2018] [Indexed: 01/05/2023] Open
Abstract
Achieving surface design and control of biomaterial scaffolds with nanometer- or micrometer-scaled functional films is critical to mimic the unique features of native extracellular matrices, which has significant technological implications for tissue engineering including cell-seeded scaffolds, microbioreactors, cell assembly, tissue regeneration, etc. Compared with other techniques available for surface design, layer-by-layer (LbL) self-assembly technology has attracted extensive attention because of its integrated features of simplicity, versatility, and nanoscale control. Here we present a brief overview of current state-of-the-art research related to the LbL self-assembly technique and its assembled biomaterials as scaffolds for tissue engineering. An overview of the LbL self-assembly technique, with a focus on issues associated with distinct routes and driving forces of self-assembly, is described briefly. Then, we highlight the controllable fabrication, properties, and applications of LbL self-assembly biomaterials in the forms of multilayer nanofilms, scaffold nanocoatings, and three-dimensional scaffolds to systematically demonstrate advances in LbL self-assembly in the field of tissue engineering. LbL self-assembly not only provides advances for molecular deposition but also opens avenues for the design and development of innovative biomaterials for tissue engineering.
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Affiliation(s)
- Shichao Zhang
- Department of Orthopaedics, School of Medicine, West Virginia University, Morgantown, WV 26506, USA.
| | - Malcolm Xing
- Department of Mechanical Engineering, University of Manitoba, Winnipeg, MB R3T 2N2, Canada.
- The Children's Hospital Research Institute of Manitoba, Winnipeg, MB R3E 3P4, Canada.
| | - Bingyun Li
- Department of Orthopaedics, School of Medicine, West Virginia University, Morgantown, WV 26506, USA.
- West Virginia University Cancer Institute, Morgantown, WV 26506, USA.
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Pugliese E, Coentro JQ, Zeugolis DI. Advancements and Challenges in Multidomain Multicargo Delivery Vehicles. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:e1704324. [PMID: 29446161 DOI: 10.1002/adma.201704324] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Revised: 11/05/2017] [Indexed: 06/08/2023]
Abstract
Reparative and regenerative processes are well-orchestrated temporal and spatial events that are governed by multiple cells, molecules, signaling pathways, and interactions thereof. Yet again, currently available implantable devices fail largely to recapitulate nature's complexity and sophistication in this regard. Herein, success stories and challenges in the field of layer-by-layer, composite, self-assembly, and core-shell technologies are discussed for the development of multidomain/multicargo delivery vehicles.
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Affiliation(s)
- Eugenia Pugliese
- Regenerative, Modular and Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Ireland
- Science Foundation Ireland (SFI), Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Ireland
| | - João Q Coentro
- Regenerative, Modular and Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Ireland
- Science Foundation Ireland (SFI), Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Ireland
| | - Dimitrios I Zeugolis
- Regenerative, Modular and Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Ireland
- Science Foundation Ireland (SFI), Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Ireland
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Zigdon-Giladi H, Khutaba A, Elimelech R, Machtei EE, Srouji S. VEGF release from a polymeric nanofiber scaffold for improved angiogenesis. J Biomed Mater Res A 2017; 105:2712-2721. [DOI: 10.1002/jbm.a.36127] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Revised: 05/03/2017] [Accepted: 05/23/2017] [Indexed: 11/09/2022]
Affiliation(s)
- Hadar Zigdon-Giladi
- Department of Periodontology, School of Graduate Dentistry; Rambam Health Care Campus; Haifa Israel
- Research Institute for Bone Repair, Rambam Health Care Campus; Haifa Israel
- The Rappaport Family Faculty of Medicine; Technion, Israel Institute of Technology; Haifa Israel
| | - Alaa Khutaba
- Department of Periodontology, School of Graduate Dentistry; Rambam Health Care Campus; Haifa Israel
- Research Institute for Bone Repair, Rambam Health Care Campus; Haifa Israel
- The Rappaport Family Faculty of Medicine; Technion, Israel Institute of Technology; Haifa Israel
| | - Rina Elimelech
- Department of Periodontology, School of Graduate Dentistry; Rambam Health Care Campus; Haifa Israel
- Research Institute for Bone Repair, Rambam Health Care Campus; Haifa Israel
| | - Eli E. Machtei
- Department of Periodontology, School of Graduate Dentistry; Rambam Health Care Campus; Haifa Israel
- Research Institute for Bone Repair, Rambam Health Care Campus; Haifa Israel
- The Rappaport Family Faculty of Medicine; Technion, Israel Institute of Technology; Haifa Israel
| | - Samer Srouji
- Chief of Oral and Maxillofacial Department; Bone Research Laboratory, Galilee Medical Center; Nahariya Israel
- Faculty of Medicine in the Galilee; Bar-ilan University
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Yan J, Liu X, Li B. Nano-assembled Na2FePO4F/carbon nanotube multi-layered cathodes for Na-ion batteries. Electrochem commun 2015. [DOI: 10.1016/j.elecom.2015.04.009] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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15
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Isotonic sodium bicarbonate-triggered emodin release from borate stabilized emodin nanoparticles-loaded polymeric microgel films. Int J Pharm 2014; 469:80-7. [DOI: 10.1016/j.ijpharm.2014.04.046] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2014] [Revised: 04/11/2014] [Accepted: 04/17/2014] [Indexed: 01/20/2023]
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Wang X, Ding B, Li B. Biomimetic electrospun nanofibrous structures for tissue engineering. MATERIALS TODAY (KIDLINGTON, ENGLAND) 2013; 16:229-241. [PMID: 25125992 PMCID: PMC4130655 DOI: 10.1016/j.mattod.2013.06.005] [Citation(s) in RCA: 433] [Impact Index Per Article: 39.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Biomimetic nanofibrous scaffolds mimicking important features of the native extracellular matrix provide a promising strategy to restore functions or achieve favorable responses for tissue regeneration. This review provides a brief overview of current state-of-the-art research designing and using biomimetic electrospun nanofibers as scaffolds for tissue engineering. It begins with a brief introduction of electrospinning and nanofibers, with a focus on issues related to the biomimetic design aspects. The review next focuses on several typical biomimetic nanofibrous structures (e.g. aligned, aligned to random, spiral, tubular, and sheath membrane) that have great potential for tissue engineering scaffolds, and describes their fabrication, advantages, and applications in tissue engineering. The review concludes with perspectives on challenges and future directions for design, fabrication, and utilization of scaffolds based on electrospun nanofibers.
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Affiliation(s)
- Xianfeng Wang
- Department of Orthopaedics, School of Medicine, West Virginia University, Morgantown, WV 26506, United States
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Bin Ding
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Bingyun Li
- Department of Orthopaedics, School of Medicine, West Virginia University, Morgantown, WV 26506, United States
- WVNano Initiative, Morgantown, WV 26506, United States
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