1
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He Y, Liu H, Ying W. Constructing Stable Polyvinyl Alcohol/Gelatin/Cellulose Nanocrystals Composite Electrospun Membrane with Excellent Filtration Efficiency for PM2.5. Polymers (Basel) 2024; 16:1656. [PMID: 38932006 PMCID: PMC11207967 DOI: 10.3390/polym16121656] [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: 05/11/2024] [Revised: 06/07/2024] [Accepted: 06/07/2024] [Indexed: 06/28/2024] Open
Abstract
Considering the high demand for air quality, the development of biomass-based air filtration membranes with high air filtration efficiency and good stability is an urgent task. In this work, polyvinyl alcohol (PVA), gelatin (GA), and cellulose nanocrystals (CNC) were mixed and prepared into a membrane through an electrospinning method for air filtration. After a hydrophobic modification, the modified PVA/GA/CNC composite membrane showed excellent filtration efficiency for PM2.5 (97.65%) through the internal three-dimensional structure barrier and the electrostatic capture effect of the CNC with a negative charge, as well as a low-pressure drop (only 50 Pa). In addition, the modified PVA/GA/CNC composite membrane had good mechanical properties (maximum tensile fracture rate of 78.3%) and high stability (air filtration efficiency of above 90% after five wash-filter cycles and a high-temperature treatment at 200 °C). It is worth noting that the whole preparation process is completed without organic solvents, putting forward a new strategy for the construction of green air filtration membranes.
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Affiliation(s)
- Yang He
- Jiyang College of Zhejiang Agriculture and Forestry University, Shaoxing 311800, China;
| | | | - Weijun Ying
- Jiyang College of Zhejiang Agriculture and Forestry University, Shaoxing 311800, China;
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2
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Sun F, Zhang X, Xue T, Cheng P, Yu T. The Performance Testing and Analysis of Common New Filter Materials: A Case of Four Filter Materials. MATERIALS (BASEL, SWITZERLAND) 2024; 17:2802. [PMID: 38930172 PMCID: PMC11205087 DOI: 10.3390/ma17122802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2024] [Revised: 06/02/2024] [Accepted: 06/06/2024] [Indexed: 06/28/2024]
Abstract
The complex air environment makes it urgent to build good and safe indoor environments, and the study and application of new materials have become the focus of current research. In this study, we tested and analyzed the structural parameters and filtration performances of the four most commonly used new filter materials in the current market. The results showed that all four new filter materials showed a trend of first increasing and then decreasing their filtration efficiency with an increase in filtration velocity. The filtration efficiency of the materials was as follows: PTFE > glass fiber > nanomaterial > electret. The filtration efficiency of all materials reached its maximum when the filtration velocity was 0.2 m/s. The filtration efficiency of the PTFE for PM10, PM2.5, and PM1.0 was higher than that of the other three materials, with values of 0.87% to 24.93%, 1.21% to 18.69%, and 0.56% to 16.03%, respectively. PTFE was more effective in capturing particles smaller than 1.0 μm. Within the testing velocity range, the resistance of the filter materials was as follows: glass fiber > PTFE > electret > nanomaterial, and the resistance of the four materials showed a good fitting effect. It is also necessary to match the resistance with the filtration efficiency during use, as well as to study the effectiveness of filter materials in blocking microorganisms and absorbing toxic gases. Overall, PTFE showed the best comprehensive performance, as well as providing data support for the selection of related materials or the synthesis and research of filter materials in the future.
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Affiliation(s)
- Fenggang Sun
- School of Resources Engineering, Xi′an University of Architecture and Technology, Xi’an 710055, China; (F.S.); (T.X.); (P.C.)
| | - Xin Zhang
- School of Resources Engineering, Xi′an University of Architecture and Technology, Xi’an 710055, China; (F.S.); (T.X.); (P.C.)
| | - Tao Xue
- School of Resources Engineering, Xi′an University of Architecture and Technology, Xi’an 710055, China; (F.S.); (T.X.); (P.C.)
| | - Ping Cheng
- School of Resources Engineering, Xi′an University of Architecture and Technology, Xi’an 710055, China; (F.S.); (T.X.); (P.C.)
| | - Tao Yu
- Wuhan Second Ship Design and Research Institute, Wuhan 430205, China
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3
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Luan X, Hu H, Sun Z, He P, Zhu D, Xu Y, Liu B, Wei G. Assembling Ag 2S quantum dots onto peptide nanosheet as a biomimetic two-dimensional nanoplatform for synergistic near infrared-II fluorescent imaging and photothermal therapy of tumor. J Colloid Interface Sci 2024; 663:111-122. [PMID: 38394816 DOI: 10.1016/j.jcis.2024.02.163] [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: 12/15/2023] [Revised: 02/16/2024] [Accepted: 02/20/2024] [Indexed: 02/25/2024]
Abstract
Fluorescent bioimaging and photothermal therapy (PTT) techniques have potential significance in cancer diagnosis and treatment and have been widely applied in biomedical and practical clinical trials. This study proposes the molecular design and biofabrication of a two-dimensional (2D) nanoplatform, exhibiting promising prospects for synergistic bioimaging and PTT of tumors. First, biocompatible 2D peptide nanosheets (PNSs) were designed and prepared through peptide self-assembly. These served as a support matrix for assembling polyethylene glycol-modified Ag2S quantum dots (PEG-Ag2SQDs) to form a 2D nanoplatform (PNS/PEG-Ag2SQDs) with unique fluorescent and photothermal properties. The designed 2D nanoplatform not only showed improved photothermal efficacy and an elevated photothermal conversion efficiency of 52.46 %, but also demonstrated significant lethality against tumors in both in vitro and in vivo cases. Additionally, it displays excellent imaging effects in the near-infrared II region, making it suitable for synergistic fluorescent imaging-guided PTT of tumors. This study not only provides a facile approach for devising and synthesizing 2D peptide assemblies but also presents new biomimetic strategies to create functional 2D organic/inorganic nanoplatforms for biomedical applications.
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Affiliation(s)
- Xin Luan
- College of Chemistry & Chemical Engineering, Qingdao University, Qingdao 266071, China
| | - Huiqiang Hu
- The Affiliated Hospital of Qingdao University, Qingdao 266071, China
| | - Zhengang Sun
- Department of Spinal Surgery, Qingdao Huangdao Central Hospital, Qingdao University Medical Group, Qingdao 266555, China
| | - Peng He
- College of Chemistry & Chemical Engineering, Qingdao University, Qingdao 266071, China
| | - Danzhu Zhu
- College of Chemistry & Chemical Engineering, Qingdao University, Qingdao 266071, China
| | - Youyin Xu
- College of Chemistry & Chemical Engineering, Qingdao University, Qingdao 266071, China
| | - Bin Liu
- College of Chemistry & Chemical Engineering, Qingdao University, Qingdao 266071, China
| | - Gang Wei
- College of Chemistry & Chemical Engineering, Qingdao University, Qingdao 266071, China.
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4
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Panigrahi SK, Das S, Majumdar S. Unveiling the potentials of hydrophilic and hydrophobic polymers in microparticle systems: Opportunities and challenges in processing techniques. Adv Colloid Interface Sci 2024; 326:103121. [PMID: 38457900 DOI: 10.1016/j.cis.2024.103121] [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: 12/18/2023] [Revised: 02/24/2024] [Accepted: 02/28/2024] [Indexed: 03/10/2024]
Abstract
Conventional drug delivery systems are associated with various shortcomings, including low bioavailability and limited control over release. Biodegradable polymeric microparticles have emerged as versatile carriers in drug delivery systems addressing all these challenges. This comprehensive review explores the dynamic landscape of microparticles, considering the role of hydrophilic and hydrophobic materials. Within the continuously evolving domain of microparticle preparation methods, this review offers valuable insights into the latest advancements and addresses the factors influencing microencapsulation, which is pivotal for harnessing the full potential of microparticles. Exploration of the latest research in this dynamic field unlocks the possibilities of optimizing microencapsulation techniques to produce microparticles of desired characteristics and properties for different applications, which can help contribute to the ongoing evolution in the field of pharmaceutical science.
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Affiliation(s)
- Subrat Kumar Panigrahi
- Department of Chemical Engineering, Indian Institute of Technology, Hyderabad, Telangana 502285, India
| | - Sougat Das
- Department of Chemical Engineering, Indian Institute of Technology, Hyderabad, Telangana 502285, India
| | - Saptarshi Majumdar
- Department of Chemical Engineering, Indian Institute of Technology, Hyderabad, Telangana 502285, India.
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5
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Zhao Y, Ming J, Cai S, Wang X, Ning X. One-step fabrication of polylactic acid (PLA) nanofibrous membranes with spider-web-like structure for high-efficiency PM 0.3 capture. JOURNAL OF HAZARDOUS MATERIALS 2024; 465:133232. [PMID: 38141315 DOI: 10.1016/j.jhazmat.2023.133232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 11/28/2023] [Accepted: 12/09/2023] [Indexed: 12/25/2023]
Abstract
High-efficiency air filters are in high demand to protect human health from the threat of ultrafine particulate matters (PM). However, most commercial air filters are less effective for PM0.3 capture and/or still suffer from undesirable pressure drops. They are also typically petroleum-based. Herein, a double-jet synchronous electrospinning technology was demonstrated to fabricate spider-web-like polylactic acid (PLA) nanofibrous membranes (SPNM) in one step. The properties of spinning solutions were regulated to construct favorable multi-scale nanofiber and bead structures that mimicked the structural units in spider-webs. The as-prepared SPNM exhibited excellent filtration efficiency (99.87 %) and high quality factor (0.321 Pa-1) against the PM0.3, while presenting an attractively low pressure drop (19 Pa). Additionally, the filtration performance of SPNM was almost completely preserved during 10-cycle tests and the 6-month long-term tests, showing excellent function stability and durability. Benefiting from its good hydrophobicity (WCA = 143.2°), SPNM also presented a satisfactory filtration efficiency (>99.37 %) with low pressure drop (18 Pa) at an environment with humidity at 90 % against PM0.3. Furthermore, the unique structure increased the mechanical strength of SPNM, facilitating the processability for practical applications. Overall, this work may shed light on a promising approach for developing biomass-based, highly efficient filtration materials with hierarchical structures.
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Affiliation(s)
- Yintao Zhao
- Industrial Research Institute of Nonwovens & Technical Textiles, College of Textiles & Clothing, Qingdao University, Qingdao 266071, Shandong, China; Shandong Center for Engineered Nonwovens, Qingdao University, Qingdao 266071, Shandong, China
| | - Jinfa Ming
- Industrial Research Institute of Nonwovens & Technical Textiles, College of Textiles & Clothing, Qingdao University, Qingdao 266071, Shandong, China; Shandong Center for Engineered Nonwovens, Qingdao University, Qingdao 266071, Shandong, China
| | - Shunzhong Cai
- Industrial Research Institute of Nonwovens & Technical Textiles, College of Textiles & Clothing, Qingdao University, Qingdao 266071, Shandong, China; Shandong Center for Engineered Nonwovens, Qingdao University, Qingdao 266071, Shandong, China
| | - Xuefang Wang
- Industrial Research Institute of Nonwovens & Technical Textiles, College of Textiles & Clothing, Qingdao University, Qingdao 266071, Shandong, China; Shandong Center for Engineered Nonwovens, Qingdao University, Qingdao 266071, Shandong, China.
| | - Xin Ning
- Industrial Research Institute of Nonwovens & Technical Textiles, College of Textiles & Clothing, Qingdao University, Qingdao 266071, Shandong, China; Shandong Center for Engineered Nonwovens, Qingdao University, Qingdao 266071, Shandong, China; State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266071, Shandong, China.
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6
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Tao Y, Luo Q, Shen L, Hong F, Pun EYB, Lin H. Swallowed Embedding of Nanopetal-Rich Microflowers in Flexible Photocatalytic and Thermoresponsive Functional Composite Fibers. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:1825-1839. [PMID: 38180481 DOI: 10.1021/acs.langmuir.3c03164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2024]
Abstract
Developing efficient catalysts to degrade pollutants in water is a very important way to alleviate water pollution. However, it is crucial but challenging to broaden the functions of conventional photocatalysts and improve their environmental adaptability. In this paper, Bi(Er3+/Yb3+)OBr/polyacrylonitrile (BOB-EY/PAN) composite fibers with a swallowed-embedded structure assembled with nanopetal-rich microflowers were designed and fabricated, integrating photocatalytic and temperature-monitoring functions simultaneously. Their unique structure brings a large specific surface area, and the doping of rare earth ions improves the separation efficiency of electron-hole pairs, which enhances the photocatalytic efficiency and endows the fibers with a temperature-monitoring function at the same time. Under simulated sunlight irradiation, the nanofibers show a maximum degradation efficiency of 99.2% for tetracycline hydrochloride (TC) with a degradation constant of K as high as 0.078 min-1. Based on the fluorescence intensity ratio (FIR), the two thermally coupled levels of Er3+ in the nanofibers, 2H11/2 and 4S3/2, provide real-time temperature feedback, displaying a maximum relative sensitivity as high as 0.0215 K-1 at 303 K. Dual-functional BOB-EY/PAN composite nanofibers show great potential for industrial wastewater disposition, providing solutions for wastewater purification in special scenarios.
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Affiliation(s)
- Yahui Tao
- School of Textile and Material Engineering, Dalian Polytechnic University, Dalian 116034, P. R. China
| | - Qian Luo
- School of Textile and Material Engineering, Dalian Polytechnic University, Dalian 116034, P. R. China
| | - Lifan Shen
- School of Textile and Material Engineering, Dalian Polytechnic University, Dalian 116034, P. R. China
- College of Microelectronics and Key Laboratory of Optoelectronics Technology, Faculty of Information Technology, Beijing University of Technology, Beijing 100124, P. R. China
| | - Feng Hong
- School of Textile and Material Engineering, Dalian Polytechnic University, Dalian 116034, P. R. China
| | - Edwin Yue Bun Pun
- Department of Electrical Engineering and State Key Laboratory of Terahertz and Millimeter Waves, City University of Hong Kong, Kowloon 999077, Hong Kong Special Administrative Region, P. R. China
| | - Hai Lin
- School of Textile and Material Engineering, Dalian Polytechnic University, Dalian 116034, P. R. China
- Department of Electrical Engineering and State Key Laboratory of Terahertz and Millimeter Waves, City University of Hong Kong, Kowloon 999077, Hong Kong Special Administrative Region, P. R. China
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7
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Vaithilingam S, Thirviyam SK, Muthukaruppan A, Arulanandu JA. CdO-Nanografted Superhydrophobic Hybrid Polymer Composite-Coated Cotton Fabrics for Self-Cleaning and Oil/Water Separation Applications. ACS OMEGA 2023; 8:43163-43177. [PMID: 38024688 PMCID: PMC10652371 DOI: 10.1021/acsomega.3c06790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 10/06/2023] [Accepted: 10/12/2023] [Indexed: 12/01/2023]
Abstract
The current study presents a simple and cost-competitive method for the development of high-performance superhydrophobic and superoleophilic cotton fabrics coated with cadmium oxide/cerotic acid (CdO/CE)-polycaprolactone (PCL)- and cadmium oxide/stearic acid (CdO/ST)-polycaprolactone-grafted hybrid composites. X-ray powder diffraction, scanning electron microscopy, and Fourier transform infrared spectroscopy are used to characterize the CdO/CE-PCL and CdO/ST-PCL and polycaprolactone-modified cotton fabrics. Using an optical contact angle meter, the wetting behavior of corrosive liquids such as coffee, milk, tea, water dyed with methylene blue, strong acids (HCl), strong alkali (NaOH), and saturated salt solution (NaCl) on the CdO-CE/ST/PCL-modified cotton fabrics is assessed as well as the durability of CdO-CE/ST/PCL-modified cotton fabrics in corrosive liquids. Data obtained from the oil-water separation experiment indicate remarkable separation efficiency with oil purity values of ≥99.97 wt %, and high permeation flux values of up to 11,700 ± 300 L m-2 h-1 are observed for surfactant-stabilized water-in-oil emulsions via a gravity-driven technique. From the data obtained, it is concluded that the nano-CdO-grafted superhydrophobic hybrid polymer composite-coated cotton fabrics (CdO-ST/(CE)/PCL/CFs) can be utilized for self-cleaning and oil/water separation applications.
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Affiliation(s)
- Selvaraj Vaithilingam
- Nanotech
Research Lab, Department of Chemistry, University
College of Engineering Villupuram (A Constituent College of Anna University,
Chennai), Kakuppam, Villupuram 605 103, Tamil Nadu, India
| | - Swarna Karthika Thirviyam
- Nanotech
Research Lab, Department of Chemistry, University
College of Engineering Villupuram (A Constituent College of Anna University,
Chennai), Kakuppam, Villupuram 605 103, Tamil Nadu, India
- Dept.
of Chemistry, SDNB Vaishnav College for
Women, Chrompet, Chennai 600 044, India
| | - Alagar Muthukaruppan
- Polymer
Engineering Laboratory, PSG Institute of
Technology and Applied Research, Neelambur, Coimbatore 641 062, India
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8
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Zhu G, Li X, Li XP, Wang A, Li T, Zhu X, Tang D, Zhu J, He X, Li H, Li S, Zhang Y, Wang B, Zhang S, Xu H. Nanopatterned Electroactive Polylactic Acid Nanofibrous MOFilters for Efficient PM 0.3 Filtration and Bacterial Inhibition. ACS APPLIED MATERIALS & INTERFACES 2023; 15:47145-47157. [PMID: 37783451 DOI: 10.1021/acsami.3c11941] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
Biodegradable polylactic acid (PLA) nanofibrous membranes (NFMs) hold great potential to address the increasing airborne particulate matter (PM) and dramatic accumulation of plastic/microplastic pollution. However, the field of PLA NFM-based filters is still in its infancy, frequently dwarfed by the bottlenecks regarding relatively low surface activity, poor electroactivity, and insufficient PM capturing mechanisms. This effort discloses a microwave-assisted approach to minute-level synthesis of dielectric ZIF-8 nanocrystals with high specific surface area (over 1012 m2/g) and ultrasmall size (∼240 nm), which were intimately anchored onto PLA nanofibers (PLA@ZIF-8) by a combined "electrospinning-electrospray" strategy. This endowed the PLA@ZIF-8 NFMs with largely increased electroactivity in terms of elevated dielectric coefficient (an increase of 202%), surface potential (up to 5.8 kV), and triboelectric properties (output voltage of 30.8 V at 10 N, 0.5 Hz). Given the profound control over morphology and electroactivity, the PLA@ZIF-8 NFMs exhibited efficient filtration of PM0.3 (97.1%, 85 L/min) with a decreased air resistance (592.5 Pa), surpassing that of the pure PLA counterpart (88.4%, 650.9 Pa). This was essentially ascribed to realization of multiple filtration mechanisms for PLA@ZIF-8 NFMs, including enhanced physical interception, polar interactions, and electrostatic adsorption, and the unique self-charging function triggered by airflow vibrations. Moreover, perfect antibacterial performance was achieved for PLA@ZIF-8, showing ultrahigh inhibition rates of 99.9 and 100% against E. coli and S. aureus, respectively. The proposed hierarchical structuring strategy, offering the multifunction integration unattainable with conventional methods, may facilitate the development of biodegradable long-term air filters.
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Affiliation(s)
- Guiying Zhu
- School of Materials Science and Physics, China University of Mining and Technology, Xuzhou 221116, China
| | - Xinyu Li
- School of Safety Engineering, China University of Mining and Technology, Xuzhou 221116, China
| | - Xiao-Peng Li
- State Key Laboratory of NBC Protection for Civilian, Institute of Chemical Defense, Beijing 100191, China
| | - An Wang
- School of Materials Science and Physics, China University of Mining and Technology, Xuzhou 221116, China
| | - Tian Li
- School of Materials Science and Physics, China University of Mining and Technology, Xuzhou 221116, China
| | - Xuanjin Zhu
- School of Materials Science and Physics, China University of Mining and Technology, Xuzhou 221116, China
| | - Daoyuan Tang
- Anhui Sentai WPC Group Share Co., Ltd., Guangde 242299, China
| | - Jintuo Zhu
- School of Safety Engineering, China University of Mining and Technology, Xuzhou 221116, China
- Jiangsu Engineering Research Center of Dust Control and Occupational Protection, Xuzhou 221008, China
| | - Xinjian He
- School of Safety Engineering, China University of Mining and Technology, Xuzhou 221116, China
- Jiangsu Engineering Research Center of Dust Control and Occupational Protection, Xuzhou 221008, China
| | - Heguo Li
- State Key Laboratory of NBC Protection for Civilian, Institute of Chemical Defense, Beijing 100191, China
| | - Shihang Li
- Jiangsu Key Laboratory of Coal-based Greenhouse Gas Control and Utilization, Carbon Neutrality Institute, China University of Mining and Technology, Xuzhou 221008, China
- Jiangsu Engineering Research Center of Dust Control and Occupational Protection, Xuzhou 221008, China
| | - Yong Zhang
- Anhui Sentai WPC Group Share Co., Ltd., Guangde 242299, China
| | - Bin Wang
- Anhui Sentai WPC Group Share Co., Ltd., Guangde 242299, China
| | - Shenghui Zhang
- School of Materials Science and Physics, China University of Mining and Technology, Xuzhou 221116, China
| | - Huan Xu
- School of Materials Science and Physics, China University of Mining and Technology, Xuzhou 221116, China
- Jiangsu Engineering Research Center of Dust Control and Occupational Protection, Xuzhou 221008, China
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9
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Chang S, Weng Z, Zhang C, Jiang S, Duan G. Cellulose-Based Intelligent Responsive Materials: A Review. Polymers (Basel) 2023; 15:3905. [PMID: 37835953 PMCID: PMC10575029 DOI: 10.3390/polym15193905] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 09/25/2023] [Accepted: 09/26/2023] [Indexed: 10/15/2023] Open
Abstract
Due to the rapid development of intelligent technology and the pursuit of green environmental protection, responsive materials with single response and actuation can no longer meet the requirements of modern technology for intelligence, diversification, and environmental friendliness. Therefore, intelligent responsive materials have received much attention. In recent years, with the development of new materials and technologies, cellulose materials have become increasingly used as responsive materials due to their advantages of sustainability and renewability. This review summarizes the relevant research on cellulose-based intelligent responsive materials in recent years. According to the stimuli responses, they are divided into temperature-, light-, electrical-, magnetic-, and humidity-responsive types. The response mechanism, application status, and development trend of cellulose-based intelligent responsive materials are summarized. Finally, the future perspectives on the preparation and applications of cellulose-based intelligent responsive materials are presented for future research directions.
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Affiliation(s)
- Sisi Chang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China;
| | - Zhangzhao Weng
- Strait Institute of Flexible Electronics (SIFE, Future Technologies), Fujian Normal University, Fuzhou 350117, China
| | - Chunmei Zhang
- Institute of Materials Science and Devices, School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China;
| | - Shaohua Jiang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China;
| | - Gaigai Duan
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China;
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10
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Ma X, Zhou S, Li J, Xie F, Yang H, Wang C, Fahlman BD, Li W. Natural microfibrils/regenerated cellulose-based carbon aerogel for highly efficient oil/water separation. JOURNAL OF HAZARDOUS MATERIALS 2023; 454:131397. [PMID: 37104952 DOI: 10.1016/j.jhazmat.2023.131397] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 04/01/2023] [Accepted: 04/10/2023] [Indexed: 05/19/2023]
Abstract
Cellulose-based carbon aerogels as biodegradable and renewable biomass materials have presented potential applications in oil/water separation. Herein, a novel carbon aerogel composed of natural microfibrils/regenerated cellulose (NM/RCA) was directly prepared by economical hardwood pulp as raw material using a novel co-solvent composed of deep eutectic solvent (DES) and N-methyl morpholine-N-oxide monohydrate (NMMO·H2O). In addition, the morphology and structure of the filiform natural microfibers could be remained after carbonized at 400 ℃, which resulted in a low density (8-10 mg cm-3), high specific surface area (768.89 m2 g-1) and high sorption capability. In addition, the aerogel exhibited high compressibility, outstanding elasticity, excellent fatigue resistance, and recyclability (80.5% height recovery after repeating 100 cycles at the strain of 80%). Due to the morphology and composition of the carbonized microfiber surface, the superhydrophobic materials with a water contact angle of 151.5°, could sorb various oils and organic solvents with 65-133 times its own weight and maintain 91.9% sorption capacity after 25 cycles. In addition, the aerogels could achieve the continuous separation of carbon tetrachloride (CCl4) from water with a high flux rate of 11,718.8 L m-2 h-1. Therefore, our prepared NM/RCA aerogels are anticipated to have broad potential applications in oil purification and contaminant remediation.
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Affiliation(s)
- Xiang Ma
- School of Materials Science and Engineering, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin 300384, PR China
| | - Shuang Zhou
- School of Materials Science and Engineering, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin 300384, PR China
| | - Junting Li
- School of Materials Science and Engineering, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin 300384, PR China
| | - Fei Xie
- School of Materials Science and Engineering, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin 300384, PR China
| | - Hui Yang
- Zhejiang-California International Nanosystems Institute, Zhejiang University, Hangzhou 310012, PR China
| | - Cheng Wang
- School of Materials Science and Engineering, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin 300384, PR China
| | - Bradley D Fahlman
- Department of Chemistry & Biochemistry, Central Michigan University, Mt. Pleasant, MI 48859, USA
| | - Wenjiang Li
- School of Materials Science and Engineering, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin 300384, PR China.
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11
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Yang Y, Wang H, Wang C, Chen Y, Dang B, Liu M, Zhang X, Li Y, Sun Q. Dual-Network Structured Nanofibrous Membranes with Superelevated Interception Probability for Extrafine Particles. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 36907989 DOI: 10.1021/acsami.3c01385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Airborne particulate matter (PM) pollution has caused a public health threat, including nanoscale particles, especially with emerging infectious diseases and indoor and vehicular environmental pollution. However, most existing indoor air filtration units are expensive, energy-intensive, and bulky, and there is an unavoidable trade-off between low-efficiency PM0.3/pathogen interception, PM removal, and air resistance. Herein, we designed and synthesized a two-dimensional continuous cellulose-sheath/net with a unique dual-network corrugated architecture to manufacture high-efficiency air filters and even N95 particulate face mask. Combined with its sheath/net structured pores (size 100-200 nm) consisting of a cellulose framework (1-100 nm diameter), the cellulose sheath/net filter offers high-efficiency air filtration (>99.5338%, Extrafine particles; >99.9999%, PM2.5), low-pressure drops, and a robustness quality factor of >0.14 Pa-1, utilizing their ultralight weight of 30 mg/m2 and physical adhesion and sieving behaviors. Simultaneously, masks prepared with cellulose-sheath/net filters are more likely to capture and block smaller particles than the N95 standard. The synthesis of such materials with their nanoscale features and designed macrostructures may suggest new design criteria for a novel generation of high-efficiency air filter media for different applications such as personal protection products and industrial dust removal.
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Affiliation(s)
- Yushan Yang
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou 311300, P. R. China
| | - Hanwei Wang
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou 311300, P. R. China
| | - Chao Wang
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou 311300, P. R. China
| | - Yipeng Chen
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou 311300, P. R. China
| | - Baokang Dang
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou 311300, P. R. China
| | - Ming Liu
- Guangxi Fenglin Wood Industry Group Co., Ltd., Nanning 530000, P. R. China
| | - Xiaochun Zhang
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou 311300, P. R. China
| | - Yingying Li
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou 311300, P. R. China
| | - Qingfeng Sun
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou 311300, P. R. China
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12
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Li Z, Wang S, Wen Y, Sun X, Cao B, Kang W, Liu Y. A nanofiber Murray membrane with antibacterial properties for high efficiency oily particulate filtration. Eur Polym J 2023. [DOI: 10.1016/j.eurpolymj.2023.112036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
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13
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Preparation of transparent, amphiphobic and recyclable electrospun window screen air filter for high-efficiency particulate matters capture. J Memb Sci 2023. [DOI: 10.1016/j.memsci.2023.121545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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14
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Gezmis-Yavuz E, Ergon-Can T, Cansoy CE, Koseoglu-Imer DY. Fabrication and Application of Halloysite Nanotube-Embedded Photocatalytic Nanofibers with Antibacterial Properties. ACS OMEGA 2023; 8:1453-1465. [PMID: 36643546 PMCID: PMC9835798 DOI: 10.1021/acsomega.2c06880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 12/12/2022] [Indexed: 06/17/2023]
Abstract
With decreasing indoor air quality, increased time spent at indoors, and especially with the COVID-19 pandemic, the development of new materials for bacteria and viruses has become even more important. Less material consumption due to the electrospinning process, the easy availability/affordability of the halloysite nanotube (HNT), and the antibacterial effect of both TiO2 and ZnO nanoparticles make the study even more interesting. HNTs have attracted research attention in recent years due to their low cost, high mechanical strength, natural and environmentally friendly structure, and non-toxicity to human health and ecosystem. In this study, HNT-embedded composite nanofiber filters were fabricated as filter materials using the electrospinning method. Photocatalysts (TiO2 and ZnO) were incorporated into the composite nanofibers by the electrospraying method. The results showed that the combination of both HNT/TiO2 and HNT/ZnO additives was successfully integrated into the filter structure. The effect of embedding the HNT and spraying photocatalysts enables the fabrication of composite filters with lower pressure drop, high filtration efficiency, improved mechanical properties, and high antibacterial properties against Escherichia coli, making the nanofibers suitable and promising for face masks and air filter materials.
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Affiliation(s)
- Elifnur Gezmis-Yavuz
- Department
of Environmental Engineering, Istanbul Technical
University, Maslak Campus, Istanbul 34469, Turkey
| | - Tulay Ergon-Can
- Department
of Environmental Engineering, Istanbul Technical
University, Maslak Campus, Istanbul 34469, Turkey
| | - C. Elif Cansoy
- Department
of Maritime Transportation Management Engineering, Piri Reis University, Istanbul 34940, Turkey
| | - Derya Y. Koseoglu-Imer
- Department
of Environmental Engineering, Istanbul Technical
University, Maslak Campus, Istanbul 34469, Turkey
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15
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Zhang X, Xu Y, Zeng Y. Efficient, Breathable and Biodegradable Filter Media for Face Masks. FIBERS AND POLYMERS 2023; 24:1613-1621. [PMCID: PMC10071238 DOI: 10.1007/s12221-023-00178-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 03/09/2023] [Accepted: 03/21/2023] [Indexed: 09/03/2023]
Abstract
The global outbreak of COVID-19 results in the surge of disposable sanitary supplies, especially personal protective face masks. However, the charge dissipation of the electret meltblown nonwovens, which predominate in the commercial face mask filters, confines the durability and safety of commercial face masks. Furthermore, most of the face masks are made from nondegradable materials (such as PP) or part of their degradation products are toxic and contaminative to the environment. Herein, a type of face mask with biodegradable and highly effective PLA bi-layer complex fibrous membrane as filter core is reported. The prepared PLA complex membrane possesses a high-filtration efficiency of 99.1% for PM0.3 while providing a favorable pressure drop of 93.2 Pa. With the PLA complex membrane as the filter core, our face mask exhibits comparable or even higher wearability to commercial face masks, which further manifests our designed PLA complex membrane a promising filter media for face masks.
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Affiliation(s)
- Xiaomin Zhang
- College of Textiles, Donghua University, Shanghai, 201620 China
| | - Yuanqiang Xu
- College of Textiles, Donghua University, Shanghai, 201620 China
| | - Yongchun Zeng
- College of Textiles, Donghua University, Shanghai, 201620 China
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16
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Muniz NO, Gabut S, Maton M, Odou P, Vialette M, Pinon A, Neut C, Tabary N, Blanchemain N, Martel B. Electrospun Filtering Membrane Designed as Component of Self-Decontaminating Protective Masks. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 13:9. [PMID: 36615926 PMCID: PMC9823851 DOI: 10.3390/nano13010009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 12/13/2022] [Accepted: 12/15/2022] [Indexed: 06/17/2023]
Abstract
The 2019 coronavirus outbreak and worsening air pollution have triggered the search for manufacturing effective protective masks preventing both particulate matter and biohazard absorption through the respiratory tract. Therefore, the design of advanced filtering textiles combining efficient physical barrier properties with antimicrobial properties is more newsworthy than ever. The objective of this work was to produce a filtering electrospun membrane incorporating a biocidal agent that would offer both optimal filtration efficiency and fast deactivation of entrapped viruses and bacteria. After the eco-friendly electrospinning process, polyvinyl alcohol (PVA) nanofibers were stabilized by crosslinking with 1,2,3,4-butanetetracarboxylic acid (BTCA). To compensate their low mechanical properties, nanofiber membranes with variable grammages were directly electrospun on a meltblown polypropylene (PP) support of 30 g/m2. The results demonstrated that nanofibers supported on PP with a grammage of around only 2 g/m2 presented the best compromise between filtration efficiencies of PM0.3, PM0.5, and PM3.0 and the pressure drop. The filtering electrospun membranes loaded with benzalkonium chloride (ADBAC) as a biocidal agent were successfully tested against E. coli and S. aureus and against human coronavirus strain HCoV-229E. This new biocidal filter based on electrospun nanofibers supported on PP nonwoven fabric could be a promising solution for personal and collective protection in a pandemic context.
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Affiliation(s)
- Nathália Oderich Muniz
- UMET—Unité Matériaux et Transformations, University of Lille, CNRS, INRAE, Centrale Lille, UMR 8207, 59650 Villeneuve d’Ascq, France
| | - Sarah Gabut
- UMET—Unité Matériaux et Transformations, University of Lille, CNRS, INRAE, Centrale Lille, UMR 8207, 59650 Villeneuve d’Ascq, France
| | - Mickael Maton
- University of Lille, INSERM, CHU Lille, U1008—Advanced Drug Delivery Systems, 59000 Lille, France
| | - Pascal Odou
- ULR 7365—GRITA—Groupe de Recherche sur les Formes Injectables et les Technologies Associées, University of Lille, CHU Lille F-59000, 59006 Lille, France
| | - Michèle Vialette
- Institut Pasteur de Lille, Unité de Sécurité Microbiologique, 59000 Lille, France
| | - Anthony Pinon
- Institut Pasteur de Lille, Unité de Sécurité Microbiologique, 59000 Lille, France
| | - Christel Neut
- Institute for Translational Research in Inflammation, University of Lille, INSERM, CHU Lille, U1286, 59045 Lille, France
| | - Nicolas Tabary
- UMET—Unité Matériaux et Transformations, University of Lille, CNRS, INRAE, Centrale Lille, UMR 8207, 59650 Villeneuve d’Ascq, France
| | - Nicolas Blanchemain
- University of Lille, INSERM, CHU Lille, U1008—Advanced Drug Delivery Systems, 59000 Lille, France
| | - Bernard Martel
- UMET—Unité Matériaux et Transformations, University of Lille, CNRS, INRAE, Centrale Lille, UMR 8207, 59650 Villeneuve d’Ascq, France
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