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Chen D, Wang Y, Zhou H, Huang Z, Zhang Y, Guo CF, Zhou H. Current and Future Trends for Polymer Micro/Nanoprocessing in Industrial Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2200903. [PMID: 35313049 DOI: 10.1002/adma.202200903] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 03/16/2022] [Indexed: 06/14/2023]
Abstract
Polymers are widely used in optical devices, electronic devices, energy-harvesting/storage devices, and sensors, owing to their low weight, excellent flexibility, and simple fabrication process. With advancements in micro/nanoprocessing techniques and more demanding application requirements, it is becoming necessary to realize high-resolution fabrication of polymers to prepare miniaturized devices. This is particularly because conventional processing technologies suffer from high thermal stress and strong adhesion/friction, which can irreversibly damage the micro/nanostructures of miniaturized devices. In addition, although the use of advanced fabrication methods to prepare high-resolution micro/nanostructures is explored, these methods are limited to laboratory research or small-batch production. This review focuses on the micro/nanoprocessing of polymeric materials and devices with high spatial precision and replication accuracy for industrial applications. Specifically, the current state-of-the-art techniques and future trends for micro/nanomolding, high-energy beam processing, and micro/nanomachining are discussed. Moreover, an overview of the fabrication and applications of various polymer-based elements and devices such as microlenses, biosensors, and transistors is provided. These techniques are expected to be widely applied for multiscale and multimaterial processing as well as for multifunction integration in next-generation integrated devices, such as photoelectric, smart, and biodegradable devices.
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Affiliation(s)
- Dan Chen
- School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Yunming Wang
- School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Helezi Zhou
- School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Zhigao Huang
- School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Yun Zhang
- School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Chuan Fei Guo
- Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, 518055, China
| | - Huamin Zhou
- School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
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Liu Y, Li X, Liang A. Current research progress of local drug delivery systems based on biodegradable polymers in treating chronic osteomyelitis. Front Bioeng Biotechnol 2022; 10:1042128. [PMID: 36507256 PMCID: PMC9729283 DOI: 10.3389/fbioe.2022.1042128] [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: 09/12/2022] [Accepted: 11/14/2022] [Indexed: 11/25/2022] Open
Abstract
Chronic osteomyelitis is one of the most challenging diseases in orthopedic treatment. It is usually treated with intravenous antibiotics and debridement in clinical practice, which also brings systemic drug side effects and bone defects. The local drug delivery system of antibiotics has the characteristics of targeted slow release to the lesion site, replacing systemic antibiotics and reducing the toxic and side effects of drugs. It can also increase the local drug concentration, achieve sound bacteriostatic effects, and promote bone healing and formation. Currently, PMMA beads are used in treating chronic osteomyelitis at home and abroad, but the chain beads need to be removed after a second operation, inconveniences patients. Biodegradable materials have been extensively studied as optimal options for antibiotic encapsulation and delivery, bringing new hope for treating chronic osteomyelitis. This article reviews the research progress of local drug delivery systems based on biodegradable polymers, including natural and synthetic ones, in treating chronic osteomyelitis.
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Affiliation(s)
- Yixiu Liu
- Department of Orthopaedics, The Central Hospital Affiliated to Shenyang Medical College, Shenyang, China,Shenyang Clinical Research Center for Hand and Foot, Shenyang, China
| | - Xu Li
- Department of Orthopaedics, The Central Hospital Affiliated to Shenyang Medical College, Shenyang, China,Shenyang Clinical Research Center for Hand and Foot, Shenyang, China
| | - A. Liang
- Department of Orthopaedics, The Central Hospital Affiliated to Shenyang Medical College, Shenyang, China,Shenyang Clinical Research Center for Hand and Foot, Shenyang, China,*Correspondence: A. Liang,
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Kirillova A, Yeazel TR, Asheghali D, Petersen SR, Dort S, Gall K, Becker ML. Fabrication of Biomedical Scaffolds Using Biodegradable Polymers. Chem Rev 2021; 121:11238-11304. [PMID: 33856196 DOI: 10.1021/acs.chemrev.0c01200] [Citation(s) in RCA: 94] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Degradable polymers are used widely in tissue engineering and regenerative medicine. Maturing capabilities in additive manufacturing coupled with advances in orthogonal chemical functionalization methodologies have enabled a rapid evolution of defect-specific form factors and strategies for designing and creating bioactive scaffolds. However, these defect-specific scaffolds, especially when utilizing degradable polymers as the base material, present processing challenges that are distinct and unique from other classes of materials. The goal of this review is to provide a guide for the fabrication of biodegradable polymer-based scaffolds that includes the complete pathway starting from selecting materials, choosing the correct fabrication method, and considering the requirements for tissue specific applications of the scaffold.
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Affiliation(s)
- Alina Kirillova
- Thomas Lord Department of Mechanical Engineering and Materials Science, Duke University, Durham, North Carolina 27708, United States
| | - Taylor R Yeazel
- Thomas Lord Department of Mechanical Engineering and Materials Science, Duke University, Durham, North Carolina 27708, United States
| | - Darya Asheghali
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States
| | - Shannon R Petersen
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States
| | - Sophia Dort
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States
| | - Ken Gall
- Thomas Lord Department of Mechanical Engineering and Materials Science, Duke University, Durham, North Carolina 27708, United States
| | - Matthew L Becker
- Thomas Lord Department of Mechanical Engineering and Materials Science, Duke University, Durham, North Carolina 27708, United States.,Department of Chemistry, Duke University, Durham, North Carolina 27708, United States.,Departments of Biomedical Engineering and Orthopaedic Surgery, Duke University, Durham, North Carolina 27708, United States
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Mendibil X, González-Pérez F, Bazan X, Díez-Ahedo R, Quintana I, Rodríguez FJ, Basnett P, Nigmatullin R, Lukasiewicz B, Roy I, Taylor CS, Glen A, Claeyssens F, Haycock JW, Schaafsma W, González E, Castro B, Duffy P, Merino S. Bioresorbable and Mechanically Optimized Nerve Guidance Conduit Based on a Naturally Derived Medium Chain Length Polyhydroxyalkanoate and Poly(ε-Caprolactone) Blend. ACS Biomater Sci Eng 2021; 7:672-689. [DOI: 10.1021/acsbiomaterials.0c01476] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Xabier Mendibil
- Tekniker, Basque Research and Technology Alliance (BRTA), C/ Iñaki Goenaga 5, 20600 Eibar, Spain
| | - Francisco González-Pérez
- Laboratory of Molecular Neurology, Hospital Nacional de Parapléjicos, Finca La Peraleda S/n, 45071 Toledo, Spain
| | - Xabier Bazan
- Tekniker, Basque Research and Technology Alliance (BRTA), C/ Iñaki Goenaga 5, 20600 Eibar, Spain
| | - Ruth Díez-Ahedo
- Tekniker, Basque Research and Technology Alliance (BRTA), C/ Iñaki Goenaga 5, 20600 Eibar, Spain
| | - Iban Quintana
- Tekniker, Basque Research and Technology Alliance (BRTA), C/ Iñaki Goenaga 5, 20600 Eibar, Spain
| | - Francisco Javier Rodríguez
- Laboratory of Molecular Neurology, Hospital Nacional de Parapléjicos, Finca La Peraleda S/n, 45071 Toledo, Spain
| | - Pooja Basnett
- School of Life Sciences, College of Liberal Arts and Sciences, University of Westminster, 115 New Cavendish Street, London W1W 6UW, U.K
| | - Rinat Nigmatullin
- School of Life Sciences, College of Liberal Arts and Sciences, University of Westminster, 115 New Cavendish Street, London W1W 6UW, U.K
| | - Barbara Lukasiewicz
- School of Life Sciences, College of Liberal Arts and Sciences, University of Westminster, 115 New Cavendish Street, London W1W 6UW, U.K
| | - Ipsita Roy
- Department of Materials Science and Engineering, The University of Sheffield, Sheffield S3 7HQ, U.K
| | - Caroline S. Taylor
- Department of Materials Science and Engineering, The University of Sheffield, Sheffield S3 7HQ, U.K
| | - Adam Glen
- Department of Materials Science and Engineering, The University of Sheffield, Sheffield S3 7HQ, U.K
| | - Frederik Claeyssens
- Department of Materials Science and Engineering, The University of Sheffield, Sheffield S3 7HQ, U.K
| | - John W. Haycock
- Department of Materials Science and Engineering, The University of Sheffield, Sheffield S3 7HQ, U.K
| | - Wandert Schaafsma
- Histocell S.L., Parque Tecnológico de Bizkaia, 801 A, 2, 48160 Derio, Spain
| | - Eva González
- Histocell S.L., Parque Tecnológico de Bizkaia, 801 A, 2, 48160 Derio, Spain
| | - Begoña Castro
- Histocell S.L., Parque Tecnológico de Bizkaia, 801 A, 2, 48160 Derio, Spain
| | - Patrick Duffy
- Ashland Specialties Ireland, Synergy Centre, Dublin Road, Petitswood Mullingar, Co. Westmeath N91 F6PD, Ireland
| | - Santos Merino
- Tekniker, Basque Research and Technology Alliance (BRTA), C/ Iñaki Goenaga 5, 20600 Eibar, Spain
- Departamento de Electricidad y Electrónica, Universidad del País Vasco UPV/EHU, 48940 Leioa, Spain
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Diez-Ahedo R, Mendibil X, Márquez-Posadas MC, Quintana I, González F, Rodríguez FJ, Zilic L, Sherborne C, Glen A, Taylor CS, Claeyssens F, Haycock JW, Schaafsma W, González E, Castro B, Merino S. UV-Casting on Methacrylated PCL for the Production of a Peripheral Nerve Implant Containing an Array of Porous Aligned Microchannels. Polymers (Basel) 2020; 12:E971. [PMID: 32331241 PMCID: PMC7240584 DOI: 10.3390/polym12040971] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 04/14/2020] [Accepted: 04/17/2020] [Indexed: 02/07/2023] Open
Abstract
Peripheral nerves are basic communication structures guiding motor and sensory information from the central nervous system to receptor units. Severed peripheral nerve injuries represent a large clinical problem with relevant challenges to successful synthetic nerve repair scaffolds as substitutes to autologous nerve grafting. Numerous studies reported the use of hollow tubes made of synthetic polymers sutured between severed nerve stumps to promote nerve regeneration while providing protection for external factors, such as scar tissue formation and inflammation. Few approaches have described the potential use of a lumen structure comprised of microchannels or microfibers to provide axon growth avoiding misdirection and fostering proper healing. Here, we report the use of a 3D porous microchannel-based structure made of a photocurable methacrylated polycaprolactone, whose mechanical properties are comparable to native nerves. The neuro-regenerative properties of the polymer were assessed in vitro, prior to the implantation of the 3D porous structure, in a 6-mm rat sciatic nerve gap injury. The manufactured implants were biocompatible and able to be resorbed by the host's body at a suitable rate, allowing the complete healing of the nerve. The innovative design of the highly porous structure with the axon guiding microchannels, along with the observation of myelinated axons and Schwann cells in the in vivo tests, led to a significant progress towards the standardized use of synthetic 3D multichannel-based structures in peripheral nerve surgery.
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Affiliation(s)
- Ruth Diez-Ahedo
- Tekniker, C/Iñaki Goenaga 5, 20600 Eibar, Spain; (R.D.-A.); (X.M.); (M.C.M.-P.); (I.Q.)
| | - Xabier Mendibil
- Tekniker, C/Iñaki Goenaga 5, 20600 Eibar, Spain; (R.D.-A.); (X.M.); (M.C.M.-P.); (I.Q.)
| | | | - Iban Quintana
- Tekniker, C/Iñaki Goenaga 5, 20600 Eibar, Spain; (R.D.-A.); (X.M.); (M.C.M.-P.); (I.Q.)
| | - Francisco González
- Laboratory of Molecular Neurology, Hospital Nacional de Parapléjicos, Finca. la Peraleda s/n, 45071 Toledo, Spain; (F.G.); (F.J.R.)
| | - Francisco Javier Rodríguez
- Laboratory of Molecular Neurology, Hospital Nacional de Parapléjicos, Finca. la Peraleda s/n, 45071 Toledo, Spain; (F.G.); (F.J.R.)
| | - Leyla Zilic
- Department of Materials Science & Engineering, University of Sheffield, Sheffield S3 7HQ, UK; (L.Z.); (C.S.); (A.G.); (C.S.T.); (F.C.); (J.W.H.)
| | - Colin Sherborne
- Department of Materials Science & Engineering, University of Sheffield, Sheffield S3 7HQ, UK; (L.Z.); (C.S.); (A.G.); (C.S.T.); (F.C.); (J.W.H.)
| | - Adam Glen
- Department of Materials Science & Engineering, University of Sheffield, Sheffield S3 7HQ, UK; (L.Z.); (C.S.); (A.G.); (C.S.T.); (F.C.); (J.W.H.)
| | - Caroline S. Taylor
- Department of Materials Science & Engineering, University of Sheffield, Sheffield S3 7HQ, UK; (L.Z.); (C.S.); (A.G.); (C.S.T.); (F.C.); (J.W.H.)
| | - Frederik Claeyssens
- Department of Materials Science & Engineering, University of Sheffield, Sheffield S3 7HQ, UK; (L.Z.); (C.S.); (A.G.); (C.S.T.); (F.C.); (J.W.H.)
| | - John W. Haycock
- Department of Materials Science & Engineering, University of Sheffield, Sheffield S3 7HQ, UK; (L.Z.); (C.S.); (A.G.); (C.S.T.); (F.C.); (J.W.H.)
| | - Wandert Schaafsma
- Histocell S.L., Parque Tecnológico de Bizkaia, 801 A, 2, 48160 Derio, Spain; (W.S.); (E.G.); (B.C.)
| | - Eva González
- Histocell S.L., Parque Tecnológico de Bizkaia, 801 A, 2, 48160 Derio, Spain; (W.S.); (E.G.); (B.C.)
| | - Begoña Castro
- Histocell S.L., Parque Tecnológico de Bizkaia, 801 A, 2, 48160 Derio, Spain; (W.S.); (E.G.); (B.C.)
| | - Santos Merino
- Tekniker, C/Iñaki Goenaga 5, 20600 Eibar, Spain; (R.D.-A.); (X.M.); (M.C.M.-P.); (I.Q.)
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