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Cheng K, Jiang D, Cai S, Li S, Wang Y. Bamboo-like nitrogen-doped carbon supported chlorine-doped Fe 2P as an antibacterial oxygen reduction catalyst. Nanoscale 2024; 16:8462-8469. [PMID: 38578632 DOI: 10.1039/d4nr00133h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/06/2024]
Abstract
Bio-inspiration and biomimetics offer guidance for designing and synthesizing advanced catalysts for the oxygen reduction reaction (ORR) in microbial fuel cells (MFCs). Herein, a chlorine-doped Fe2P supported by nitrogen-doped carbon (Cl-Fe2P/NC) catalyst was designed and prepared based on imitating the bamboo structure. The electronegative chlorine captured the electron transfer from Fe2P and transferred it to NC through carbon nanotubes (CNTs). The antibacterial chlorine inhibited the cathode biofilm formation to enhance the ion transport. Cl-Fe2P/NC achieved a half-wave potential of 0.91 V and an onset potential of 0.99 V versus a reversible hydrogen electrode. After 500 h of reaction, the MFCs assembled by the Cl-Fe2P/NC cathode achieved a maximum power density of 1505 mW m-2. This work provides insights into the design of advanced materials through bio-inspiration and biomimicry.
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Affiliation(s)
- Kai Cheng
- Research Center for Nano Photoelectrochemistry and Devices, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China.
- Yangtze River Delta Carbon Neutrality Strategy Development Institute, Southeast University, Nanjing 210096, China
| | - Demin Jiang
- Research Center for Nano Photoelectrochemistry and Devices, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China.
- Yangtze River Delta Carbon Neutrality Strategy Development Institute, Southeast University, Nanjing 210096, China
| | - Sainan Cai
- Research Center for Nano Photoelectrochemistry and Devices, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China.
- Yangtze River Delta Carbon Neutrality Strategy Development Institute, Southeast University, Nanjing 210096, China
| | - Shikuo Li
- School of Material Science and Engineering, Anhui University, Hefei, 230601, China.
| | - Yuqiao Wang
- Research Center for Nano Photoelectrochemistry and Devices, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China.
- Yangtze River Delta Carbon Neutrality Strategy Development Institute, Southeast University, Nanjing 210096, China
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Yang L, Wang K, Guo L, Hu X, Zhou M. Unveiling the potential of HKUST-1: synthesis, activation, advantages and biomedical applications. J Mater Chem B 2024; 12:2670-2690. [PMID: 38411271 DOI: 10.1039/d3tb02929h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/28/2024]
Abstract
Metal-organic frameworks (MOFs) have emerged as a unique class of nanostructured materials, resulting from the self-assembly of metal ions or clusters with organic ligands, offering a wide range of applications in fields such as drug delivery, gas catalysis, and electrochemical sensing. Among them, HKUST-1, a copper-based MOF, has gained substantial attention due to its remarkable three-dimensional porous structure. Comprising copper ions and benzene-1,3,5-tricarboxylic acid, HKUST-1 exhibits an extraordinary specific surface area and pronounced porosity, making it a promising candidate in biomedicine. Notably, the incorporation of copper ions endows HKUST-1 with noteworthy activities, including antitumor, antibacterial, and wound healing-promoting properties. In this comprehensive review, we delve into the various synthesis methods and activation pathways employed in the preparation of HKUST-1. We also explore the distinct advantages of HKUST-1 in terms of its structural properties and functionalities. Furthermore, we investigate the exciting and rapidly evolving biomedical applications of HKUST-1. From its role in tumor treatment to its antibacterial effects and its ability to promote wound healing, we showcase the multifaceted potential of HKUST-1 in addressing critical challenges in biomedicine.
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Affiliation(s)
- Liuxuan Yang
- Department of Pharmacy, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China.
- Department of Clinical Pharmacy, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China
| | - Ke Wang
- Department of Pharmacy, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China.
- Department of Clinical Pharmacy, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China
| | - Ling Guo
- National Engineering Technology Research Center for Miao Medicine, Guizhou Engineering Technology Research Center for Processing and Preparation of Traditional Chinese Medicine and Ethnic Medicine, College of Pharmaceutical Sciences, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou, China
| | - Xiao Hu
- Department of Clinical Pharmacy, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China
| | - Meiling Zhou
- Department of Pharmacy, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China.
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Wei HX, Qiu R, Li AY, Liang LJ, Feng YN, Li SH, Li N. Facilely Prepared Carbon Dots as Effective Anode Modifier for Enhanced Performance of Microbial Fuel Cells. Appl Biochem Biotechnol 2024:10.1007/s12010-024-04864-z. [PMID: 38386144 DOI: 10.1007/s12010-024-04864-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/12/2024] [Indexed: 02/23/2024]
Abstract
Microbial fuel cells (MFCs) are a promising technology for obtaining energy in wastewater. Effective extracellular electron transfer is one of the key factors for its practical application. In this work, carbon dots (CDs) enriched with oxygen-containing groups on the surface were synthesized as an efficient anode modifier using a simple hydrothermal method and common reactants. The experimental findings indicated that anodes modified with CDs exhibited increased electrical conductivity and greater hydrophilicity. These modifications facilitated increased microorganism loading and contributed to enhancing electrochemical processes within the anode biofilm. The CD-modified MFCs exhibited higher maximum power density (661.1 ± 42.6 mW·m-2) and open-circuit voltage (534.50 ± 6.4 mV), which were significantly better than those of the blank group MFCs (484.1 ± 14.1 mW·m-2 and 447.50 ± 12.1 mV). The use of simple carbon materials to improve the microbial loading on the MFCs anode and the electron transfer between the microbial-electrode may provide a new idea for the design of efficient MFCs.
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Affiliation(s)
- Hui-Xu Wei
- School of Chemistry and Chemical Engineering, Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou, 510006, China
| | - Rui Qiu
- School of Chemistry and Chemical Engineering, Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou, 510006, China
| | - Ai-Yi Li
- School of Chemistry and Chemical Engineering, Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou, 510006, China
| | - Liu-Jie Liang
- School of Chemistry and Chemical Engineering, Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou, 510006, China
| | - Yan-Nan Feng
- School of Chemistry and Chemical Engineering, Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou, 510006, China
| | - Shu-Hua Li
- School of Chemistry and Chemical Engineering, Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou, 510006, China
| | - Nan Li
- School of Chemistry and Chemical Engineering, Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou, 510006, China.
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Wang Z, Gao M, Peng J, Miao L, Chen W, Ao T. Nanoarchitectonics of heteroatom-doped hierarchical porous carbon derived from carboxymethyl cellulose carbon aerogel and metal-organic framework for capacitive deionization. Int J Biol Macromol 2023; 241:124596. [PMID: 37116842 DOI: 10.1016/j.ijbiomac.2023.124596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 04/19/2023] [Accepted: 04/21/2023] [Indexed: 04/30/2023]
Abstract
Capacitive deionization (CDI) using porous materials offers a sustainable solution for providing affordable freshwater, but the low salt adsorption rate of benchmark carbon materials significantly limit the practical implementation. Herein, we utilized carboxymethyl cellulose sodium (CMC) as the carbon skeleton to produce a composite carbon aerogel loaded with ZIF-8 (ZIF-8/CMC-CA). The presence of ZIF-8 nanoparticles improved the pore structure of the material and provides a certain pseudo capacitance by introducing N. Compared with ZIF-8 derived carbons (ZIF-8-C), the CMC provided a good three-dimensional structure for the dispersion of ZIF-8 nanoparticles, reduced the agglomeration of particles. Furthermore, numerous carboxyl and hydroxyl groups on CMC enhanced the hydrophilicity of materials. Due to the interconnected structure, ZIF-8/CMC-CA exhibited excellent conductivity, a high specific surface area, and offered suitable channels for the rapid entry and exit of ions. In a three-electrode system, the total specific capacitance of the ZIF-8/CMC-CA electrode was 357.14 F g-1. The adsorption rate of ZIF-8/CMC-CA was 2.02 mg g-1 min-1 in a 500 mg L-1 NaCl solution. This study may provide new insight for modifying and fabricating electrode materials for practical CDI applications.
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Affiliation(s)
- Zhen Wang
- Institute for Disaster Management and Reconstruction, Sichuan University-The Hong Kong Polytechnic University, Chengdu 610065, China
| | - Ming Gao
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China
| | - Jie Peng
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China
| | - Luwei Miao
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China
| | - Wenqing Chen
- Institute for Disaster Management and Reconstruction, Sichuan University-The Hong Kong Polytechnic University, Chengdu 610065, China; College of Architecture and Environment, Sichuan University, Chengdu 610065, China.
| | - Tianqi Ao
- State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu 610065, China; College of Water Resource and Hydropower, Sichuan University, Chengdu 610065, China
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