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Jamoussi B, Al-Sharif MNM, Gzara L, Organji H, Almeelbi TB, Chakroun R, Al-Mur BA, Al Makishah NHM, Madkour MHF, Aloufi FA, Halawani RF. Hybrid Zinc Phthalocyanine/PVDF-HFP System for Reducing Biofouling in Water Desalination: DFT Theoretical and MolDock Investigations. Polymers (Basel) 2024; 16:1738. [PMID: 38932087 PMCID: PMC11207365 DOI: 10.3390/polym16121738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2024] [Revised: 06/13/2024] [Accepted: 06/17/2024] [Indexed: 06/28/2024] Open
Abstract
Fouling and biofouling remain significant challenges in seawater desalination plants. One practical approach to address these issues is to develop anti-biofouling membranes. Therefore, novel hybrid zinc phthalocyanine/polyvinylidene fluoride-co-hexafluoropropylene (Zn(4-PPOx)4Pc/PVDF-HFP) membranes were prepared by electrospinning to evaluate their properties against biofouling. The hybrid nanofiber membrane was characterized by atomic force microscopy (AFM), attenuated total reflectance-Fourier transform infrared (ATR-FTIR) spectroscopy, and contact angle measurements. The theoretical calculations of PVDF-HFP, Zn(4-PPOx)4Pc), and Zn(4-PPOx)4Pc/PVDF-HFP nanofibers were performed using a hybrid functional RB3LYP and the 6-31 G (d,p) basis set, employing Gaussian 09. DFT calculations illustrated that the calculated physical and electronic parameters ensured the feasibility of the interaction of PVDF-HFP with Zn(4-PPOx)4Pc via a halogen-hydrogen bond, resulting in a highly stable and remarkably reactive structure. Moreover, molecular electrostatic potential (MEP) maps were drawn to identify the reactive regions of the Zn(4-PPOx)4Pc and PVDF-HFP/Zn(4-PPOx)4Pc nanofibers. Molecular docking analysis revealed that Zn(4-PPOx)4Pc has highest binding affinity (-8.56 kcal/mol) with protein from S. aureus (1N67) mainly with ten amino acids (ASP405, LYS374, GLU446, ASN406, ALA441, TYR372, LYS371, TYR448, LYS374, and ALA442). These findings highlight the promising potential of Zn(4-PPOx) 4Pc/PVDF-HFP nanocomposite membranes in improving the efficiency of water desalination by reducing biofouling and providing antibacterial properties.
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Affiliation(s)
- Bassem Jamoussi
- Department of Environment, Faculty of Environmental Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (M.N.M.A.-S.); (T.B.A.); (R.C.); (B.A.A.-M.); (N.H.M.A.M.); (M.H.F.M.); (F.A.A.); (R.F.H.)
| | - Mohhamed Naif M. Al-Sharif
- Department of Environment, Faculty of Environmental Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (M.N.M.A.-S.); (T.B.A.); (R.C.); (B.A.A.-M.); (N.H.M.A.M.); (M.H.F.M.); (F.A.A.); (R.F.H.)
| | - Lassaad Gzara
- Center of Excellence in Desalination Technology, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (L.G.); (H.O.)
| | - Hussam Organji
- Center of Excellence in Desalination Technology, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (L.G.); (H.O.)
| | - Talal B. Almeelbi
- Department of Environment, Faculty of Environmental Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (M.N.M.A.-S.); (T.B.A.); (R.C.); (B.A.A.-M.); (N.H.M.A.M.); (M.H.F.M.); (F.A.A.); (R.F.H.)
| | - Radhouane Chakroun
- Department of Environment, Faculty of Environmental Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (M.N.M.A.-S.); (T.B.A.); (R.C.); (B.A.A.-M.); (N.H.M.A.M.); (M.H.F.M.); (F.A.A.); (R.F.H.)
| | - Bandar A. Al-Mur
- Department of Environment, Faculty of Environmental Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (M.N.M.A.-S.); (T.B.A.); (R.C.); (B.A.A.-M.); (N.H.M.A.M.); (M.H.F.M.); (F.A.A.); (R.F.H.)
| | - Naief H. M. Al Makishah
- Department of Environment, Faculty of Environmental Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (M.N.M.A.-S.); (T.B.A.); (R.C.); (B.A.A.-M.); (N.H.M.A.M.); (M.H.F.M.); (F.A.A.); (R.F.H.)
| | - Mohamed H. F. Madkour
- Department of Environment, Faculty of Environmental Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (M.N.M.A.-S.); (T.B.A.); (R.C.); (B.A.A.-M.); (N.H.M.A.M.); (M.H.F.M.); (F.A.A.); (R.F.H.)
| | - Fahed A. Aloufi
- Department of Environment, Faculty of Environmental Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (M.N.M.A.-S.); (T.B.A.); (R.C.); (B.A.A.-M.); (N.H.M.A.M.); (M.H.F.M.); (F.A.A.); (R.F.H.)
| | - Riyadh F. Halawani
- Department of Environment, Faculty of Environmental Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (M.N.M.A.-S.); (T.B.A.); (R.C.); (B.A.A.-M.); (N.H.M.A.M.); (M.H.F.M.); (F.A.A.); (R.F.H.)
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Malara A. Environmental concerns on the use of the electrospinning technique for the production of polymeric micro/nanofibers. Sci Rep 2024; 14:8293. [PMID: 38594337 PMCID: PMC11004186 DOI: 10.1038/s41598-024-58936-5] [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: 01/11/2024] [Accepted: 04/04/2024] [Indexed: 04/11/2024] Open
Abstract
The production of micro and nanofibers through the electrospinning technique is a well assessed technology that finds application in a variety of fields. Indeed, the specific features of electrospun fibers, as well as the possibility to be modelled and functionalized, ensure their great versatility. In the last decades, the widespread use of electrospun fibers promoted studies related to the evaluation of both human health and environmental risks associated to their handling and exposure. However, to date, the environmental impact strictly related to the use of the manufacturing process has been barely considered. Therefore, the present work aims to assess the environmental impacts of the electrospinning technology used to produce micro and nanofibers. To this purpose, a model polymer was systematically electrospun, varying the main system, process and external parameters, that control the electrospinning technique. A simplified life cycle assessment analysis was finally used to evaluate how the fibrous morphology, closely linked to the choice of the technological parameters, intrinsically affected the environmental impacts.
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Affiliation(s)
- Angela Malara
- Department of Civil, Energy, Environment and Material Engineering, University Mediterranea of Reggio Calabria, Via Zehender, Loc. Feo di Vito, 89124, Reggio Calabria, Italy.
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Dzolkifle NAN, Wan Nawawi WMF. A review on chitin dissolution as preparation for electrospinning application. Int J Biol Macromol 2024; 265:130858. [PMID: 38490398 DOI: 10.1016/j.ijbiomac.2024.130858] [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] [Received: 12/31/2023] [Revised: 03/05/2024] [Accepted: 03/12/2024] [Indexed: 03/17/2024]
Abstract
Electrospinning has been acknowledged as an efficient technique for the fabrication of continuous nanofibers from polymeric based materials such as polyvinyl alcohol (PVA), cellulose acetate (CA), chitin nanocrystals and others. These nanofibers exhibit chemical and mechanical stability, high porosity, functionality, high surface area and one-dimensional orientation which make it extremely beneficial in industrial application. In recent years, research on chitin - a biopolymer derived from crustacean and fungal cell wall - had gained interest due to its unique structural arrangement, excellent physical and chemical properties, in which make it biodegradable, non-toxic and biocompatible. Chitin has been widely utilized in various applications such as wound dressings, drug delivery, tissue engineering, membranes, food packaging and others. However, chitin is insoluble in most solvents due to its highly crystalline structure. An appropriate solvent system is required for dissolving chitin to maximize its application and produce a fine and smooth electrospun nanofiber. This review focuses on the preparation of chitin polymer solution through dissolution process using different types of solvent system for electrospinning process. The effect of processing parameters also discussed by highlighting some representative examples. Finally, the perspectives are presented regarding the current application of electrospun chitin nanofibers in selected fields.
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Affiliation(s)
- Nurul Alia Nabilah Dzolkifle
- Department of Chemical Engineering and Sustainability, International Islamic University Malaysia, P.O. Box 10, 50728 Kuala Lumpur, Malaysia
| | - Wan Mohd Fazli Wan Nawawi
- Department of Chemical Engineering and Sustainability, International Islamic University Malaysia, P.O. Box 10, 50728 Kuala Lumpur, Malaysia.
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Taheri M. Advances in Nanohybrid Membranes for Dye Reduction: A Comprehensive Review. GLOBAL CHALLENGES (HOBOKEN, NJ) 2024; 8:2300052. [PMID: 38223886 PMCID: PMC10784202 DOI: 10.1002/gch2.202300052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 09/18/2023] [Indexed: 01/16/2024]
Abstract
Separating valuable materials such as dyes from wastewater using membranes and returning them to the production line is a desirable environmental and economical procedure. However, sometimes, besides filtration, adsorption, and separation processes, pollutant destruction also can be suitable using photocatalytic membranes. The art of producing nanohybrid materials in contrast with nanocomposites encompasses nanomaterial synthesis as a new product with different properties from raw materials for nanohybrids versus the composition of nanomaterials for nanocomposites. According to the findings of this research, confirming proper synthesis of nanohybrid is one challenge that can be overcome by different analyses, other researchers' reports, and the theoretical assessment of physical or chemical reactions. The application of organic-inorganic nanomaterials and frameworks is another challenge that is discussed in the present work. According to the findings, Nanohybrid Membranes (NHMs) can achieve 100% decolorization, but cannot eliminate salts and dyes, although the removal efficiency is notable for some salts, especially divalent salts. Hydrophilicity, antifouling properties, flux, pressure, costs, usage frequency, and mechanical, chemical, and thermal stabilities of NHMs should be considered.
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Affiliation(s)
- Mahsa Taheri
- Civil and Environmental Engineering DepartmentAmirkabir University of Technology (AUT)Hafez Ave.Tehran15875‐4413Iran
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Arik N, Elcin E, Tezcaner A, Oktem HA. Biosensing of arsenic by whole-cell bacterial bioreporter immobilized on polycaprolactone (PCL) electrospun fiber. ENVIRONMENTAL TECHNOLOGY 2023:1-13. [PMID: 37965791 DOI: 10.1080/09593330.2023.2283405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 09/19/2023] [Indexed: 11/16/2023]
Abstract
In recent years, heavy metals derived from several anthropogenic sources have both direct and indirect detrimental effects on the health of the environment and living organisms. Whole-cell bioreporters (WCBs) that can be used to monitor the levels of heavy metals in drinking and natural spring waters are important. In this study, whole-cell arsenic bacterial bioreporters were immobilized using polycaprolactone (PCL) electrospun fibers as the support material. The aim is to determine the properties of this immobilized bioreporter system by evaluating its performance in arsenic detection. Within the scope of the study, different growth media and fiber immobilization times were tested to determine the parameters affecting the fluorescent signals emitted by the immobilized bioreporter system in the presence of two dominant forms of arsenic, namely arsenite (As(III)) and arsenate (As(V)). In addition, the sensitivity, selectivity, response time, and shelf-life of the developed bioreporter system were evaluated. As far as the literature is concerned, this is the first study to investigate the potential of using PCL-electrospun fiber-immobilized fluorescent bacterial bioreporter for arsenic detection. This study will open new avenues in environmental arsenic monitoring.
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Affiliation(s)
- Nehir Arik
- Department of Molecular Biology and Genetics, Middle East Technical University, Ankara, Türkiye
| | - Evrim Elcin
- Department of Agricultural Biotechnology, Aydın Adnan Menderes University, Aydın, Türkiye
| | - Aysen Tezcaner
- Department of Engineering Sciences, Middle East Technical University, Ankara, Türkiye
- Center of Excellence in Biomaterials and Tissue Engineering (METU BIOMATEN), Ankara, Türkiye
| | - Huseyin A Oktem
- Department of Molecular Biology and Genetics, Middle East Technical University, Ankara, Türkiye
- Department of Biological Sciences, Middle East Technical University, Ankara, Türkiye
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Wang S, Yang L, Ren X, Tong W, Li W, Li H, Huo J. A new strategy to prepare high-performance copper azide film for micro-initiator. NANOTECHNOLOGY 2023; 34:455701. [PMID: 37541220 DOI: 10.1088/1361-6528/aced55] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Accepted: 08/04/2023] [Indexed: 08/06/2023]
Abstract
Copper azide (CA) has gradually become the chosen priming agent for microexplosive devices as a lead-free green priming agent. However, charge loading is challenging due to its high electrostatic sensitivity, severely limiting its practical application. In this study, copper hydroxide particles were evenly coated on the surface of carbon fiber using electrospinning and quick hot-pressing, and CA-based composites with uniform load were created using thein situazide technique while keeping good film characteristics. The produced CA-HP film has an electroostatic sensitivity of 3.8 mJ, which is much higher than the raw material of 0.05 mJ. The flame sensitivity has also been increased from 45 to 51 cm, and the use safety has been considerably enhanced. Furthermore, hot-pressed CA-HP films can improve the film's qualities, such as easy cutting and processing into the required shape, compatibility with MEMS processes, and the ability to successfully detonate secondary explosives with only 1 mg. This novel coupling technology expands the possibilities for developing high-safety primers for micro-initiator.
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Affiliation(s)
- Shuang Wang
- State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing, 100081, People's Republic of China
- Beijing Institute of Technology Chongqing Innovation Center Chongqing, 401120, People's Republic of China
| | - Li Yang
- State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing, 100081, People's Republic of China
- Science and Technology on Aerospace Chemical Power Laboratory, Hubei Institute of Aerospace Chemotechnology, Xiangyang, 441003, People's Republic of China
| | - Xiaoting Ren
- Science and Technology on Aerospace Chemical Power Laboratory, Hubei Institute of Aerospace Chemotechnology, Xiangyang, 441003, People's Republic of China
| | - Wenchao Tong
- State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing, 100081, People's Republic of China
| | - Wei Li
- Science and Technology on Aerospace Chemical Power Laboratory, Hubei Institute of Aerospace Chemotechnology, Xiangyang, 441003, People's Republic of China
| | - Haojie Li
- State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing, 100081, People's Republic of China
| | - Junda Huo
- State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing, 100081, People's Republic of China
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Ji K, Liu C, He H, Mao X, Wei L, Zhou F, Sun R. Green-Solvent-Processable Composite Micro/Nanofiber Membrane with Gradient Asymmetric Structure for Efficient Microfiltration. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2207330. [PMID: 37078831 DOI: 10.1002/smll.202207330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 03/29/2023] [Indexed: 05/03/2023]
Abstract
Electrospinning technology has attracted extensive attention in recent decades and is widely used to prepare nanofiber membranes from hundreds of polymers. Polyvinyl formal acetal (PVFA), as a polymer with excellent properties such as high strength and heat resistance, is not reported on the electrospun water treatment membrane. In this paper, the preparation process of electrospun PVFA nanofiber membrane is optimized, and the effect of sodium chloride (NaCl) addition on the physical and mechanical properties and microfiltration performance of nanofiber membrane is also explored. And the hydrophobic PVFA nanofiber filter layer is then combined with a hydrophilic nonwoven support layer to construct a composite micro/nanofiber membrane with a pore-size gradient structure and a hydrophilic/hydrophobic asymmetric structure. Finally, unidirectional water transport and water treatment performance are further investigated. The results show that the tensile breaking strength of the composite membrane can reach up to 37.8 MPa, the retention rate for particles with the size of 0.1-0.3 µm is 99.7%, and the water flux is 513.4 L m-2 h-1 under the hydrostatic pressure. Moreover, it still has a retention of more than 98% after three repeated uses. Therefore, the electrospun PVFA composite membrane has a great potential in microfiltration.
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Affiliation(s)
- Keyu Ji
- School of Textile Science and Engineering, Xi'an Polytechnic University, Xi'an, 710048, China
- Key Laboratory of Functional Textile Material and Product, Ministry of Education, Xi'an Polytechnic University, Xi'an, 710048, China
- Shaanxi College Engineering Research Center of Functional Micro/Nano Textile Materials, Xi'an Polytechnic University, Xi'an, Shaanxi, 710048, China
| | - Chengkun Liu
- School of Textile Science and Engineering, Xi'an Polytechnic University, Xi'an, 710048, China
- Key Laboratory of Functional Textile Material and Product, Ministry of Education, Xi'an Polytechnic University, Xi'an, 710048, China
- Shaanxi College Engineering Research Center of Functional Micro/Nano Textile Materials, Xi'an Polytechnic University, Xi'an, Shaanxi, 710048, China
| | - Haijun He
- Engineering Research Center for Knitting Technology, Ministry of Education, Jiangnan University, Wuxi, 214000, China
| | - Xue Mao
- School of Textile Science and Engineering, Xi'an Polytechnic University, Xi'an, 710048, China
- Key Laboratory of Functional Textile Material and Product, Ministry of Education, Xi'an Polytechnic University, Xi'an, 710048, China
- Shaanxi College Engineering Research Center of Functional Micro/Nano Textile Materials, Xi'an Polytechnic University, Xi'an, Shaanxi, 710048, China
| | - Liang Wei
- School of Textile Science and Engineering, Xi'an Polytechnic University, Xi'an, 710048, China
- Key Laboratory of Functional Textile Material and Product, Ministry of Education, Xi'an Polytechnic University, Xi'an, 710048, China
- Shaanxi College Engineering Research Center of Functional Micro/Nano Textile Materials, Xi'an Polytechnic University, Xi'an, Shaanxi, 710048, China
| | - Fenglei Zhou
- Centre for Medical Image Computing, Department of Medical Physics and Biomedical Engineering, University College London, London, WC1E 6BT, UK
- College of Textiles and Clothing, Qingdao University, Qingdao, 266071, China
| | - Runjun Sun
- School of Textile Science and Engineering, Xi'an Polytechnic University, Xi'an, 710048, China
- Key Laboratory of Functional Textile Material and Product, Ministry of Education, Xi'an Polytechnic University, Xi'an, 710048, China
- Shaanxi College Engineering Research Center of Functional Micro/Nano Textile Materials, Xi'an Polytechnic University, Xi'an, Shaanxi, 710048, China
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Solis-Rios D, Villarreal-Gómez LJ, Goyes CE, Fonthal Rico F, Cornejo-Bravo JM, Fong-Mata MB, Calderón Arenas JM, Martínez Rincón HA, Mejía-Medina DA. A Neural Network Approach to Reducing the Costs of Parameter-Setting in the Production of Polyethylene Oxide Nanofibers. MICROMACHINES 2023; 14:1410. [PMID: 37512721 PMCID: PMC10386166 DOI: 10.3390/mi14071410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 05/21/2023] [Accepted: 07/06/2023] [Indexed: 07/30/2023]
Abstract
Nanofibers, which are formed by the electrospinning process, are used in a variety of applications. For this purpose, a specific diameter suited for each application is required, which is achieved by varying a set of parameters. This parameter adjustment process is empirical and works by trial and error, causing high input costs and wasting time and financial resources. In this work, an artificial neural network model is presented to predict the diameter of polyethylene nanofibers, based on the adjustment of 15 parameters. The model was trained from 105 records from data obtained from the literature and was then validated with nine nanofibers that were obtained and measured in the laboratory. The average error between the actual results was 2.29%. This result differs from those taken in an evaluation of the dataset. Therefore, the importance of increasing the dataset and the validation using independent data is highlighted.
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Affiliation(s)
- Daniel Solis-Rios
- Grupo de Investigación en Ingeniería Biomédica, Universidad Autónoma de Occidente, Cali 760030, Colombia
| | - Luis Jesús Villarreal-Gómez
- Facultad de Ciencias de la Ingeniería y Tecnología, Universidad Autónoma de Baja California, Tijuana 21500, Baja California, Mexico
- Facultad de Ciencias Químicas e Ingeniería, Universidad Autónoma de Baja California, Tijuana 21500, Baja California, Mexico
| | - Clara Eugenia Goyes
- Grupo de Investigación en Ingeniería Biomédica, Universidad Autónoma de Occidente, Cali 760030, Colombia
| | - Faruk Fonthal Rico
- Grupo de Investigación en Ingeniería Biomédica, Universidad Autónoma de Occidente, Cali 760030, Colombia
| | - José Manuel Cornejo-Bravo
- Facultad de Ciencias Químicas e Ingeniería, Universidad Autónoma de Baja California, Tijuana 21500, Baja California, Mexico
| | - María Berenice Fong-Mata
- Facultad de Ciencias de la Ingeniería y Tecnología, Universidad Autónoma de Baja California, Tijuana 21500, Baja California, Mexico
| | | | | | - David Abdel Mejía-Medina
- Facultad de Ciencias de la Ingeniería y Tecnología, Universidad Autónoma de Baja California, Tijuana 21500, Baja California, Mexico
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Huang H, Trentle M, Liu Z, Xiang K, Higgins W, Wang Y, Xue B, Yang S. Polymer Complex Fiber: Property, Functionality, and Applications. ACS APPLIED MATERIALS & INTERFACES 2023; 15:7639-7662. [PMID: 36719982 DOI: 10.1021/acsami.2c19583] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Polymer complex fibers (PCFs) are a novel kind of fiber material processed from polymer complexes that are assembled through noncovalent interactions. These can realize the synergy of functional components and miscibility on the molecular level. The dynamic character of noncovalent interactions endows PCFs with remarkable properties, such as reversibility, stimuli responsiveness, self-healing, and recyclability, enabling them to be applied in multidisciplinary fields. The objective of this article is to provide a review of recent progress in the field of PCFs. The classification based on chain interactions will be first introduced followed by highlights of the fabrication technologies and properties of PCFs. The effects of composition and preparation method on fiber properties are also discussed, with some emphasis on utilizing these for rational design. Finally, we carefully summarize recent advanced applications of PCFs in the fields of energy storage and sensors, water treatment, biomedical materials, artificial actuators, and biomimetic platforms. This review is expected to deepen the comprehension of PCF materials and open new avenues for developing PCFs with tailor-made properties for advanced application.
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Affiliation(s)
- Hao Huang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for Advanced Low-dimension Materials, College of Materials Science and Engineering, Donghua University, Shanghai201620, P. R. China
| | - Miranda Trentle
- Department of Chemistry, The University of Alabama at Birmingham, Birmingham, Alabama35294, United States
| | - Zexin Liu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for Advanced Low-dimension Materials, College of Materials Science and Engineering, Donghua University, Shanghai201620, P. R. China
| | - Kehui Xiang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for Advanced Low-dimension Materials, College of Materials Science and Engineering, Donghua University, Shanghai201620, P. R. China
| | - William Higgins
- Department of Chemistry, The University of Alabama at Birmingham, Birmingham, Alabama35294, United States
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials and College of Biomedical Engineering, Sichuan University, Chengdu610064, P. R. China
| | - Bing Xue
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for Advanced Low-dimension Materials, College of Materials Science and Engineering, Donghua University, Shanghai201620, P. R. China
| | - Shuguang Yang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for Advanced Low-dimension Materials, College of Materials Science and Engineering, Donghua University, Shanghai201620, P. R. China
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10
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Malczewska B, Lochyński P, Charazińska S, Sikora A, Farnood R. Electrospun Silica-Polyacrylonitrile Nanohybrids for Water Treatments. MEMBRANES 2023; 13:membranes13010072. [PMID: 36676879 PMCID: PMC9861717 DOI: 10.3390/membranes13010072] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 12/30/2022] [Accepted: 01/03/2023] [Indexed: 06/12/2023]
Abstract
In this work, the removal of NOM (natural organic matter) as represented by humic acid by means of electrospun nanofiber adsorptive membranes (ENAMs) is described. Polyacrylonitrile (PAN) was used for the preparation of ENAMs incorporating silica nanoparticles as adsorbents. The addition of silica to the polymer left visible changes on the structural morphology and fibers' properties of the membrane. The membrane samples were characterized by pure water permeability, contact angle measurement, SEM, XPS, and XRD. This study assesses the preliminary performance of PAN-Si membranes for the removal of natural organic matter (NOM). The membrane rejected the humic acid, a surrogate of NOM, from 69.57% to 87.5%.
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Affiliation(s)
- Beata Malczewska
- Institute of Environmental Engineering, Wrocław University of Environmental and Life Sciences, pl. Grunwaldzki 24, 50-365 Wroclaw, Poland
| | - Paweł Lochyński
- Institute of Environmental Engineering, Wrocław University of Environmental and Life Sciences, pl. Grunwaldzki 24, 50-365 Wroclaw, Poland
| | - Sylwia Charazińska
- Institute of Environmental Engineering, Wrocław University of Environmental and Life Sciences, pl. Grunwaldzki 24, 50-365 Wroclaw, Poland
| | - Andrzej Sikora
- Department of Nanometrology, Faculty of Electronics, Photonics and Microsystems, Wroclaw University of Science and Technology, 50-372 Wroclaw, Poland
| | - Ramin Farnood
- Department of Chemical Engineering & Applied Chemistry, Faculty of Applied Science & Engineering, University of Toronto, 200 College St, Toronto, ON M5S 3E5, Canada
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Freestanding Activated Carbon Nanocomposite Electrodes for Capacitive Deionization of Water. Polymers (Basel) 2022; 14:polym14142891. [PMID: 35890666 PMCID: PMC9319057 DOI: 10.3390/polym14142891] [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: 05/30/2022] [Revised: 07/06/2022] [Accepted: 07/13/2022] [Indexed: 02/01/2023] Open
Abstract
Freshwater reserves are being polluted every day due to the industrial revolution. Man-made activities have adverse effects upon the ecosystem. It is thus the hour of need to explore newer technologies to save and purify water for the growing human population. Capacitive deionization (CDI) is being considered as an emerging technique for removal of excess ions to produce potable water including desalination. Herein, cost-effective activated carbon incorporated with carbon nanotubes (CNT) was used as a freestanding electrode. Further, the desalination efficiency of the designed electrodes was tuned by varying binder concentration, i.e., polyvinylidene difluoride (PVDF) in the activated carbon powder and CNT mixture. PVDF concentration of 5, 7.5, 10, and 12.5 wt% was selected to optimize the freestanding electrode formation and further applied for desalination of water. PVDF content affected the surface morphology, specific surface area, and functional groups of the freestanding electrodes. Moreover, the electrical conductivity and specific surface area changed with PVDF concentration, which ultimately affected the desalination capacity using the freestanding electrodes. This study paves the way to produce cost effective carbon-based freestanding electrodes for capacitive deionization and other applications including battery electrodes.
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