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Zhang Y, Chen J, Sun Y, Wang M, Liu H, Zhang W. Endogenous Tissue Engineering for Chondral and Osteochondral Regeneration: Strategies and Mechanisms. ACS Biomater Sci Eng 2024; 10:4716-4739. [PMID: 39091217 DOI: 10.1021/acsbiomaterials.4c00603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/04/2024]
Abstract
Increasing attention has been paid to the development of effective strategies for articular cartilage (AC) and osteochondral (OC) regeneration due to their limited self-reparative capacities and the shortage of timely and appropriate clinical treatments. Traditional cell-dependent tissue engineering faces various challenges such as restricted cell sources, phenotypic alterations, and immune rejection. In contrast, endogenous tissue engineering represents a promising alternative, leveraging acellular biomaterials to guide endogenous cells to the injury site and stimulate their intrinsic regenerative potential. This review provides a comprehensive overview of recent advancements in endogenous tissue engineering strategies for AC and OC regeneration, with a focus on the tissue engineering triad comprising endogenous stem/progenitor cells (ESPCs), scaffolds, and biomolecules. Multiple types of ESPCs present within the AC and OC microenvironment, including bone marrow-derived mesenchymal stem cells (BMSCs), adipose-derived mesenchymal stem cells (AD-MSCs), synovial membrane-derived mesenchymal stem cells (SM-MSCs), and AC-derived stem/progenitor cells (CSPCs), exhibit the ability to migrate toward injury sites and demonstrate pro-regenerative properties. The fabrication and characteristics of scaffolds in various formats including hydrogels, porous sponges, electrospun fibers, particles, films, multilayer scaffolds, bioceramics, and bioglass, highlighting their suitability for AC and OC repair, are systemically summarized. Furthermore, the review emphasizes the pivotal role of biomolecules in facilitating ESPCs migration, adhesion, chondrogenesis, osteogenesis, as well as regulating inflammation, aging, and hypertrophy-critical processes for endogenous AC and OC regeneration. Insights into the applications of endogenous tissue engineering strategies for in vivo AC and OC regeneration are provided along with a discussion on future perspectives to enhance regenerative outcomes.
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Affiliation(s)
- Yanan Zhang
- School of Medicine, Southeast University, 210009 Nanjing, China
| | - Jialin Chen
- School of Medicine, Southeast University, 210009 Nanjing, China
- Jiangsu Key Laboratory for Biomaterials and Devices, Southeast University, 210096 Nanjing, China
- China Orthopedic Regenerative Medicine Group (CORMed), 310058 Hangzhou, China
| | - Yuzhi Sun
- Department of Orthopaedic Surgery, Institute of Digital Medicine, Nanjing First Hospital, Nanjing Medical University, 210006 Nanjing, China
| | - Mingyue Wang
- School of Medicine, Southeast University, 210009 Nanjing, China
| | - Haoyang Liu
- School of Medicine, Southeast University, 210009 Nanjing, China
| | - Wei Zhang
- School of Medicine, Southeast University, 210009 Nanjing, China
- Jiangsu Key Laboratory for Biomaterials and Devices, Southeast University, 210096 Nanjing, China
- China Orthopedic Regenerative Medicine Group (CORMed), 310058 Hangzhou, China
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Zhou R, Lv Y, Du T, Bi J. Numerical Investigation on Thermal Conductivity of Graphene Foam Composite for Thermal Management Applications. MATERIALS (BASEL, SWITZERLAND) 2024; 17:3300. [PMID: 38998381 PMCID: PMC11243155 DOI: 10.3390/ma17133300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2024] [Revised: 06/28/2024] [Accepted: 07/02/2024] [Indexed: 07/14/2024]
Abstract
Graphene foam prepared by the chemical vapor deposition method is a promising thermal interfacial material. However, the thermal properties of graphene foam highly depend on the experimental fabrication conditions during the chemical vapor deposition process. Aiming to reveal how to prepare the appropriate graphene foam for the various thermal management scenarios, the influence of experimental conditions on thermal properties of graphene foam was investigated. Furthermore, the contribution of thermal conductivity and thermal radiation to the effective thermal coefficient of graphene foam was carried out for comparison. The research results showed that the porosity and the cross-section shape of the struts of the growth template were two critical factors affecting the thermal transport of graphene foam, especially with the increase of temperature. In addition, the deposition time of graphene determined the wall thickness and affected the thermal conductivity directly. The thermal radiation contributed more than thermal conductivity when the temperature climbed continuously. Comparatively, the effective thermal coefficient of graphene foam composite with high porosity and circular-shape struts was much superior to that of others at high temperature. The research findings provide important guidance for graphene foam fabrication and its applications in the field of thermal management.
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Affiliation(s)
- Rongyao Zhou
- School of Mechanical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
- Shandong Institute of Mechanical Design and Research, Jinan 250031, China
| | - Yuexia Lv
- School of Mechanical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
- Shandong Institute of Mechanical Design and Research, Jinan 250031, China
| | - Tingting Du
- School of Energy and Power Engineering, Shandong University, Jinan 250061, China
- Shenzhen Research Institute of Shandong University, Shenzhen 518057, China
| | - Jinpeng Bi
- School of Mechanical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
- Shandong Institute of Mechanical Design and Research, Jinan 250031, China
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Sanap KK, Mali SS, Tyagi D, Shirsat AN, Phapale SB, Waghmode SB, Varma S. Development of a Simple Electroless Method for Depositing Metallic Pt-Pd Nanoparticles over Wire Gauge Support for Removal of Hydrogen in a Nuclear Reactor. MATERIALS (BASEL, SWITZERLAND) 2023; 16:6541. [PMID: 37834681 PMCID: PMC10573480 DOI: 10.3390/ma16196541] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Revised: 09/19/2023] [Accepted: 09/28/2023] [Indexed: 10/15/2023]
Abstract
Electroless noble metal deposition on the conducting substrate is widely used to obtain the desired film or coating on the substrate of interest. Wire-gauge-based Pt/Pd/Pt-Pd (individually, sequentially, and simultaneously deposited) catalysts have been developed using formaldehyde and sodium formate as reducing agents. Various surface pretreatment methods like SnCl2 + PdCl2 seeding, oxalic acid etching, and HCl activation (etching) have been employed to obtain the desired noble metal coating. Minimum time duration was observed for simultaneously deposited catalysts using formaldehyde as a reducing agent. Prepared catalysts were characterized for noble metal deposition, coating kinetics, surface morphology, and binding energy. The catalyst was found to be active for H2 and O2 recombination reactions for hydrogen mitigation applications in nuclear reactors.
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Affiliation(s)
- Kiran K. Sanap
- Shri Guru Gobind Singhji Institute of Engineering and Technology, Nanded 431606, India
- Chemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400085, India (S.B.P.); (S.V.)
| | - Sawanta S. Mali
- Polymer Energy Materials Laboratory, School of Chemical Engineering, Chonnam National University, Gwangju 61186, Republic of Korea;
| | - Deepak Tyagi
- Chemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400085, India (S.B.P.); (S.V.)
- Homi Bhabha National Institute, Mumbai 400094, India
| | - Ajit N. Shirsat
- Chemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400085, India (S.B.P.); (S.V.)
| | - Suhas B. Phapale
- Chemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400085, India (S.B.P.); (S.V.)
| | - Suresh B. Waghmode
- Department of Chemistry, Savitribai Phule Pune University, Pune 411007, India;
| | - Salil Varma
- Chemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400085, India (S.B.P.); (S.V.)
- Homi Bhabha National Institute, Mumbai 400094, India
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Zhang C, Lai Q, Chen W, Zhang Y, Mo L, Liu Z. Three-Dimensional Electrochemical Sensors for Food Safety Applications. BIOSENSORS 2023; 13:bios13050529. [PMID: 37232890 DOI: 10.3390/bios13050529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 05/04/2023] [Accepted: 05/05/2023] [Indexed: 05/27/2023]
Abstract
Considering the increasing concern for food safety, electrochemical methods for detecting specific ingredients in the food are currently the most efficient method due to their low cost, fast response signal, high sensitivity, and ease of use. The detection efficiency of electrochemical sensors is determined by the electrode materials' electrochemical characteristics. Among them, three-dimensional (3D) electrodes have unique advantages in electronic transfer, adsorption capacity and exposure of active sites for energy storage, novel materials, and electrochemical sensing. Therefore, this review begins by outlining the benefits and drawbacks of 3D electrodes compared to other materials before going into more detail about how 3D materials are synthesized. Next, different types of 3D electrodes are outlined together with common modification techniques for enhancing electrochemical performance. After this, a demonstration of 3D electrochemical sensors for food safety applications, such as detecting components, additives, emerging pollutants, and bacteria in food, was given. Finally, improvement measures and development directions of electrodes with 3D electrochemical sensors are discussed. We think that this review will help with the creation of new 3D electrodes and offer fresh perspectives on how to achieve extremely sensitive electrochemical detection in the area of food safety.
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Affiliation(s)
- Chi Zhang
- Hunan Key Laboratory of Super Microstructure and Ultrafast Process, School of Physics and Electronics, Central South University, Changsha 410083, China
| | - Qingteng Lai
- Hunan Key Laboratory of Super Microstructure and Ultrafast Process, School of Physics and Electronics, Central South University, Changsha 410083, China
| | - Wei Chen
- Department of Clinical Laboratory, Xiangya Hospital of Central South University, Changsha 410008, China
| | - Yanke Zhang
- Hunan Key Laboratory of Super Microstructure and Ultrafast Process, School of Physics and Electronics, Central South University, Changsha 410083, China
| | - Long Mo
- Department of Cardiology, Xiangya Hospital of Central South University, Changsha 410008, China
| | - Zhengchun Liu
- Hunan Key Laboratory of Super Microstructure and Ultrafast Process, School of Physics and Electronics, Central South University, Changsha 410083, China
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Su H, Hu YH. 3D graphene: synthesis, properties, and solar cell applications. Chem Commun (Camb) 2023; 59:6660-6673. [PMID: 37144412 DOI: 10.1039/d3cc01004j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
Three-dimensional (3D) graphene is one of the most important nanomaterials. This feature article highlights the advancements, with an emphasis on contributions from our group, in the synthesis of 3D graphene-based materials and their utilization in solar cells. Chemistries of graphene oxides, hydrocarbons, and alkali metals are discussed for the synthesis of 3D graphene materials. Their performances in dye-sensitized solar cells and perovskite solar cells (as counter electrodes, photoelectrodes, and electron extracting layers) were correlatively analyzed with their properties/structures (accessible surface area, electrical conductivity, defects, and functional groups). The challenges and prospects for their applications in photovoltaic solar cells are outlined.
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Affiliation(s)
- Hanrui Su
- Department of Materials Science and Engineering, Michigan Technological University, Houghton, Michigan 49931-1295, USA.
| | - Yun Hang Hu
- Department of Materials Science and Engineering, Michigan Technological University, Houghton, Michigan 49931-1295, USA.
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Liang W, Yang W, Sakib S, Zhitomirsky I. Magnetic CuFe 2O 4 Nanoparticles with Pseudocapacitive Properties for Electrical Energy Storage. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27165313. [PMID: 36014550 PMCID: PMC9413230 DOI: 10.3390/molecules27165313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 08/14/2022] [Accepted: 08/18/2022] [Indexed: 11/16/2022]
Abstract
This investigation is motivated by increasing interest in the development of magnetically ordered pseudocapacitors (MOPC), which exhibit interesting magnetocapacitive effects. Here, advanced pseudocapacitive properties of magnetic CuFe2O4 nanoparticles in negative potential range are reported, suggesting that CuFe2O4 is a promising MOPC and advanced negative electrode material for supercapacitors. A high capacitance of 2.76 F cm-2 is achieved at a low electrode resistance in a relatively large potential window of 0.8 V. The cyclic voltammograms and galvanostatic charge-discharge data show nearly ideal pseudocapacitive behavior. Good electrochemical performance is achieved at a high active mass loading due to the use of chelating molecules of ammonium salt of purpuric acid (ASPA) as a co-dispersant for CuFe2O4 nanoparticles and conductive multiwalled carbon nanotube (MCNT) additives. The adsorption of ASPA on different materials is linked to structural features of ASPA, which allows for different interaction and adsorption mechanisms. The combination of advanced magnetic and pseudocapacitive properties in a negative potential range in a single MOPC material provides a platform for various effects related to the influence of pseudocapacitive/magnetic properties on magnetic/pseudocapacitive behavior.
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