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Lee MK, Lee H, Kang MH, Hwang C, Kim HE, Oudega M, Jang TS, Jung HD. Bioinspired Nanotopography for Combinatory Osseointegration and Antibacterial Therapy. ACS APPLIED MATERIALS & INTERFACES 2024; 16:30967-30979. [PMID: 38857475 DOI: 10.1021/acsami.4c06351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2024]
Abstract
The ongoing global health has highlighted the critical issue of secondary infections, particularly antibiotic-resistant bacterial infections, which have been significant contributors to mortality rates. Orthopedic implants, while essential for trauma and orthopedic surgeries, are particularly susceptible to these infections, leading to severe complications and economic burdens. The traditional use of antibiotics in treating these infections poses further challenges including the risk of developing antibiotic-resistant bacteria. This study introduces a novel approach to combat this issue by developing nanostructured surfaces for orthopedic implants using target ion-induced plasma sputtering. Inspired by the natural design of dragonfly wings, these surfaces aim to prevent bacterial adhesion while promoting preosteoblast activity, offering a dual-function solution to the problems of bacterial infection and implant integration without relying on antibiotics. The in vitro results demonstrate the effectiveness of these bioinspired surfaces in eradicating bacteria and supporting cell proliferation and differentiation, presenting a promising alternative for the development of biomedical implants.
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Affiliation(s)
- Min-Kyu Lee
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, Illinois 60208, United States
- Shirley Ryan AbilityLab, Chicago, Illinois 60611, United States
- Department of Physical Medicine and Rehabilitation, Northwestern University, Chicago, Illinois 60611, United States
| | - Hyun Lee
- Department of Biomedical-Chemical Engineering, The Catholic University of Korea, 43 Jibong-ro, Bucheon-si, Gyeonggi-do 14662, Republic of Korea
- Department of Biotechnology, The Catholic University of Korea, 43 Jibong-ro, Bucheon-si, Gyeonggi-do 14662, Republic of Korea
| | - Min-Ho Kang
- Department of Biomedical-Chemical Engineering, The Catholic University of Korea, 43 Jibong-ro, Bucheon-si, Gyeonggi-do 14662, Republic of Korea
- Department of Biotechnology, The Catholic University of Korea, 43 Jibong-ro, Bucheon-si, Gyeonggi-do 14662, Republic of Korea
| | - Changha Hwang
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Hyoun-Ee Kim
- Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Martin Oudega
- Shirley Ryan AbilityLab, Chicago, Illinois 60611, United States
- Department of Physical Therapy and Human Movement Sciences, Northwestern University, Chicago, Illinois 60611, United States
- Edward Hines Jr. VA Hospital, Hines, Illinois 60141, United States
- Department of Neuroscience, Northwestern University, Chicago, Illinois 60611, United States
| | - Tae-Sik Jang
- School of Biomedical Convergence Engineering, Pusan National University, Yangsan 50612, Republic of Korea
| | - Hyun-Do Jung
- Division of Materials Science and Engineering, Hanyang University, Seoul 04763, Republic of Korea
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Lee JW, Chae S, Oh S, Kim DH, Kim SH, Kim SJ, Choi JY, Lee JH, Song SY. Bioessential Inorganic Molecular Wire-Reinforced 3D-Printed Hydrogel Scaffold for Enhanced Bone Regeneration. Adv Healthc Mater 2023; 12:e2201665. [PMID: 36213983 DOI: 10.1002/adhm.202201665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 09/24/2022] [Indexed: 01/18/2023]
Abstract
Materials with physicochemical properties and biological activities similar to those of the natural extracellular matrix are in high demand in tissue engineering. In particular, Mo3 Se3 - inorganic molecular wire (IMW) is a promising material composed of bioessential minerals and possess nanometer-scale diameters, negatively charged surfaces, physical flexibility, and nanotopography characteristics, which are essential for interactions with cell membrane proteins. Here, an implantable 3D Mo3 Se3 - IMW enhanced gelatin-GMA/silk-GMA hydrogel (IMW-GS hydrogel) is developed for osteogenesis and bone formation, followed by biological evaluations. The mechanical properties of the 3D printed IMW-GS hydrogel are improved by noncovalent interactions between the Mo3 Se3 - IMWs and the positively charged residues of the gelatin molecules. Long-term biocompatibility with primary human osteoblast cells (HOBs) is confirmed using the IMW-GS hydrogel. The proliferation, osteogenic gene expression, collagen accumulation, and mineralization of HOBs improve remarkably with the IMW-GS hydrogel. In in vivo evaluations, the IMW-GS hydrogel implantation exhibits a significantly improved new bone regeneration of 87.8 ± 5.9% (p < 0.05) for 8 weeks, which is higher than that from the gelatin-GMA/silk-GMA hydrogel without Mo3 Se3 - IMW. These results support a new improved strategy with in vitro and in vivo performance of 3D IMW enhanced scaffolds in tissue engineering.
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Affiliation(s)
- Jin Woong Lee
- School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea.,Research Center for Advanced Materials Technology, Core Research Institute, 16419, Suwon, Republic of Korea
| | - Sudong Chae
- School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Seungbae Oh
- School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Dai-Hwan Kim
- School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Si Hyun Kim
- SKKU Advanced Institute of Nanotechnology, SKKU, Suwon, 16419, Republic of Korea
| | - Seung Jae Kim
- Department of Orthopaedic Surgery, Hallym University Dongtan Sacred Heart Hospital, Hwaseong, 18450, Republic of Korea
| | - Jae-Young Choi
- School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea.,SKKU Advanced Institute of Nanotechnology, SKKU, Suwon, 16419, Republic of Korea
| | - Jung Heon Lee
- School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea.,Research Center for Advanced Materials Technology, Core Research Institute, 16419, Suwon, Republic of Korea.,SKKU Advanced Institute of Nanotechnology, SKKU, Suwon, 16419, Republic of Korea.,Biomedical Institute for Convergence at SKKU (BICS), SKKU, Suwon, 16419, Republic of Korea
| | - Si Young Song
- Department of Orthopaedic Surgery, Hallym University Dongtan Sacred Heart Hospital, Hwaseong, 18450, Republic of Korea
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Lee H, Jeon HJ, Jung A, Kim J, Kim JY, Lee SH, Kim H, Yeom MS, Choe W, Gweon B, Lim Y. Improvement of osseointegration efficacy of titanium implant through plasma surface treatment. Biomed Eng Lett 2022; 12:421-432. [PMID: 36238369 PMCID: PMC9551159 DOI: 10.1007/s13534-022-00245-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Revised: 06/30/2022] [Accepted: 08/17/2022] [Indexed: 11/27/2022] Open
Abstract
A novel plasma treatment source for generating cylindrical plasma on the surface of titanium dental implants is developed herein. Using the titanium implant as an electrode and the packaging wall as a dielectric barrier, a dielectric barrier discharge (DBD) plasma was generated, allowing the implant to remain sterile. Numerical and experimental investigations were conducted to determine the optimal discharge conditions for eliminating hydrocarbon impurities, which are known to degrade the bioactivity of the implant. XPS measurement confirmed that plasma treatment reduced the amount of carbon impurities on the implant surface by approximately 60%. Additionally, in vitro experiments demonstrated that the surface treatment significantly improved cell adhesion, proliferation, and differentiation. Collectively, we proposed a plasma treatment source for dental implants that successfully removes carbon impurities and facilitate the osseointegration of SLA implants.
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Affiliation(s)
- Hyungyu Lee
- Department of Nuclear and Quantum Engineering, Korea Advanced Institute of Science and Technology (KAIST), 34141 Daejeon, Republic of Korea
| | - Hyun Jeong Jeon
- Plasmapp Co., Ltd, 372 Dongbu-daero, 18151 Osan-si, Gyeonggi-do Republic of Korea
| | - Ara Jung
- Department of Mechanical Engineering, Sejong University, 05006 Seoul, Republic of Korea
| | - Jinwoo Kim
- Department of Nuclear and Quantum Engineering, Korea Advanced Institute of Science and Technology (KAIST), 34141 Daejeon, Republic of Korea
| | - Jun Young Kim
- Plasmapp Co., Ltd, 372 Dongbu-daero, 18151 Osan-si, Gyeonggi-do Republic of Korea
| | - Seung Hun Lee
- Plasmapp Co., Ltd, 372 Dongbu-daero, 18151 Osan-si, Gyeonggi-do Republic of Korea
| | - Hosu Kim
- Plasmapp Co., Ltd, 372 Dongbu-daero, 18151 Osan-si, Gyeonggi-do Republic of Korea
| | - Moon Seop Yeom
- Seoul Top Dental Clinic, 345 Omok-ro, Yangchun-gu, 07999 Seoul, Republic of Korea
| | - Wonho Choe
- Department of Nuclear and Quantum Engineering, Korea Advanced Institute of Science and Technology (KAIST), 34141 Daejeon, Republic of Korea
| | - Bomi Gweon
- Department of Mechanical Engineering, Sejong University, 05006 Seoul, Republic of Korea
| | - Youbong Lim
- Plasmapp Co., Ltd, 372 Dongbu-daero, 18151 Osan-si, Gyeonggi-do Republic of Korea
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Customizable design of multiple-biomolecule delivery platform for enhanced osteogenic responses via ‘tailored assembly system’. Biodes Manuf 2022. [DOI: 10.1007/s42242-022-00190-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Wei X, Zhang Y, Feng H, Cao X, Ding Q, Lu Z, Zhang G. Bio-Tribology and Corrosion Behaviors of a Si- and N-Incorporated Diamond-like Carbon Film: A New Class of Protective Film for Ti6Al4V Artificial Implants. ACS Biomater Sci Eng 2022; 8:1166-1180. [PMID: 35195404 DOI: 10.1021/acsbiomaterials.1c01370] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Ti6Al4V artificial implants are increasingly demanded for addressing human dysfunction caused by an aging population and major diseases. However, they are restricted due to the release of vanadium and aluminum ions in the process of corrosion and wear. This work is aimed to provide a protective film for Ti6Al4V artificial implants, and then, a Si-incorporated diamond-like carbon (Si-DLC) film and Si- and N-incorporated DLC (SiN-DLC) film were deposited on the surface of Ti6Al4V by plasma-enhanced chemical vapor deposition. Results suggest that the thickness of the as-deposited DLC film is approximately 2 μm, and the SiN-DLC film shows the lowest surface roughness (53.0 ± 3.6 nm) compared with the Ti6Al4V and DLC films. The above DLC film possesses high mechanical properties compared with Ti6Al4V, and the SiN-DLC film shows the best resistance to plastic deformation. In addition, the DLC film exhibits high adhesive strength (>13 N) with Ti6Al4V, which is a prerequisite for service in liquid environments. Whether in SBF solution or SBF + BSA solution, the friction coefficient and wear rate of the above DLC film are much lower than those of Ti6Al4V, and the SiN-DLC film displays the optimal tribological properties (0.072 and 1.82 × 10-7 mm3·N-1·m-1, respectively). Moreover, Si-DLC and SiN-DLC films possess similar corrosion resistance but are far better than Ti6Al4V. Cytotoxicity test results show that the SiN-DLC film can significantly improve cell viability and promote cell proliferation to a certain extent. Consequently, the SiN-DLC film is a protective film with more potential for artificial implants.
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Affiliation(s)
- Xubing Wei
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China.,Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yujue Zhang
- Liaocheng People's Hospital, Medical College of Liaocheng University, Liaocheng 252000, P. R. China.,Beijing Advanced Innovation Centre for Materials Genome Engineering, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Haiyan Feng
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China.,Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xueqian Cao
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Qi Ding
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Zhibin Lu
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China.,Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Guangan Zhang
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China.,Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
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Accelerated biodegradation of iron-based implants via tantalum-implanted surface nanostructures. Bioact Mater 2021; 9:239-250. [PMID: 34820568 PMCID: PMC8586574 DOI: 10.1016/j.bioactmat.2021.07.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 04/28/2021] [Accepted: 07/03/2021] [Indexed: 12/18/2022] Open
Abstract
In recent years, pure iron (Fe) has attracted significant attention as a promising biodegradable orthopedic implant material due to its excellent mechanical and biological properties. However, in physiological conditions, Fe has an extremely slow degradation rate with localized and irregular degradation, which is problematic for practical applications. In this study, we developed a novel combination of a nanostructured surface topography and galvanic reaction to achieve uniform and accelerated degradation of an Fe implant. The target-ion induced plasma sputtering (TIPS) technique was applied on the Fe implant to introduce biologically compatible and electrochemically noble tantalum (Ta) onto its surface and develop surface nano-galvanic couples. Electrochemical tests revealed that the uniformly distributed nano-galvanic corrosion cells of the TIPS-treated sample (nano Ta–Fe) led to relatively uniform and accelerated surface degradation compared to that of bare Fe. Furthermore, the mechanical properties of nano Ta–Fe remained almost constant during a long-term in vitro immersion test (~40 weeks). Biocompatibility was also assessed on surfaces of bare Fe and nano Ta–Fe using in vitro osteoblast responses through direct and indirect contact assays and an in vivo rabbit femur medullary cavity implantation model. The results revealed that nano Ta–Fe not only enhanced cell adhesion and spreading on its surface, but also exhibited no signs of cellular or tissue toxicity. These results demonstrate the immense potential of Ta-implanted surface nanostructures as an effective solution for the practical application of Fe-based orthopedic implants, ensuring long-term biosafety and clinical efficacy. The degradation rate of nanostructured Fe implants was accelerated by TIPS technique. Ta ions were accelerated strongly toward the Fe surface by TIPS process. Nano Ta–Fe showed long-term mechanical stability and accelerated degradation rate. Nanostructured Ta–Fe surface showed enhanced in vitro and in vivo cellular responses. Ta-implanted Fe is a promising material for biodegradable orthopedic implants.
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Octacalcium Phosphate Bone Substitute (Bontree®): From Basic Research to Clinical Case Study. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11177921] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Bone grafts used in alveolar bone regeneration can be categorized into autografts, allografts, xenografts, and synthetic bones, depending on their origin. The purpose of this study was to evaluate the effect of a commercialized octacalcium phosphate (OCP)-based synthetic bone substitute material (Bontree®) in vitro, in vivo, and in clinical cases. Material characterization of Bontree® granules (0.5 mm and 1.0 mm) using scanning electron microscopy and X-ray diffraction showed that both 0.5 mm and 1.0 mm Bontree® granules were uniformly composed mainly of OCP. The receptor activator of NF-κB ligand (RANKL) and alkaline phosphatase (ALP) activities of MG63 cells were assessed and used to compare Bontree® with a commercial biphasic calcium phosphate ceramic (MBCP+TM). Compared with MBCP+TM, Bontree® suppressed RANKL and increased ALP activity. A rabbit tibia model used to examine the effects of granule size of Bontree® grafts showed that 1.0 mm Bontree® granules had a higher new bone formation ability than 0.5 mm Bontree® granules. Three clinical cases using Bontree® for ridge or sinus augmentation are described. All eight implants in the three patients showed a 100% success rate after 1 year of functional loading. This basic research and clinical application demonstrated the safety and efficacy of Bontree® for bone regeneration.
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