1
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Zhang H, Wen N, Gong X, Li X. Application of triboelectric nanogenerator (TENG) in cancer prevention and adjuvant therapy. Colloids Surf B Biointerfaces 2024; 242:114078. [PMID: 39018914 DOI: 10.1016/j.colsurfb.2024.114078] [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: 04/10/2024] [Revised: 06/15/2024] [Accepted: 07/04/2024] [Indexed: 07/19/2024]
Abstract
Cancer is a malignant tumor that kills about 940,000 people worldwide each year. In addition, about 30-77 % of cancer patients will experience cancer metastasis and recurrence, which can increase the cancer mortality rate without prompt treatment. According to the US Food and Drug Administration, wearable devices can detect several physiological indicators of patients to reflect their health status and adjuvant cancer treatment. Based on the triboelectric effect and electrostatic induction phenomenon, triboelectric nanopower generation (TENG) technology can convert mechanical energy into electricity and drive small electronic devices. This article reviewed the research status of TENG in the areas of cancer prevention and adjuvant therapy. TENG can be used for cancer prevention with advanced sensors. At the same time, electrical stimulation generated by TENG can also be used to help inhibit the growth of cancer cells to reduce the proliferation, recurrence, and metastasis of cancer cells. This review will promote the practical application of TENG in healthcare and provide clean and sustainable energy solutions for wearable bioelectronic systems.
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Affiliation(s)
- Haohao Zhang
- Nanjing Institute of Technology, Jiangning District, Nanjing City, Jiangsu Province 211167, China
| | - Ning Wen
- National Engineering Research Center for Colloidal Materials, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China
| | - Xiaoran Gong
- Nanjing Institute of Technology, Jiangning District, Nanjing City, Jiangsu Province 211167, China
| | - Xue Li
- Nanjing Institute of Technology, Jiangning District, Nanjing City, Jiangsu Province 211167, China.
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2
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Liu G, Liu L, Wang X, Yu J, Ding B. A Fiber Sliding-Orientation Based Micromechanics Failure Model for Melt-Blown Nonwovens. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:14616-14625. [PMID: 37795881 DOI: 10.1021/acs.langmuir.3c01853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/06/2023]
Abstract
The mechanical model of melt-blown nonwovens (MNs) serves as the foundation for performance optimization, which can offer helpful guidance for product material selection, structural design, and cost control. However, it is challenging to describe the micromechanics failure mechanism of MNs using the traditional mechanical model, which aims to match the model curve with the experimental result at the macrolevel. Herein, a micromechanics failure model for MNs based on sliding-orientation competition is developed. Through in situ observations of fiber position changes and the fluctuation of stress-strain curves, fiber sliding and orientation are introduced into the failure process of MNs. Due to fiber bonding and static friction, only orientation happens during the first stage of stretching. In dramatic contrast, the fibers will slide and orient in the second stage of stretching to change their positions in response to the external force. Sliding friction, fiber bonding, and static friction make up the stress of MNs, and the conflict of fiber sliding and orientation causes variations in the stress. The model has been successfully applied to polylactic acid (PLA) MNs, which proves the effectiveness of the model in MNs.
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Affiliation(s)
- Gaohui Liu
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles, Donghua University, Shanghai 201620, China
| | - Li Liu
- Tianfangbiao Standardization Certification and Testing Co., Ltd., Tianjin 300300, China
| | - Xianfeng Wang
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles, Donghua University, Shanghai 201620, China
| | - Jianyong Yu
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles, Donghua University, Shanghai 201620, China
| | - Bin Ding
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles, Donghua University, Shanghai 201620, China
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3
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Li A, Cui H, Sheng Y, Qiao J, Li X, Huang H. Global plastic upcycling during and after the COVID-19 pandemic: The status and perspective. JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING 2023; 11:110092. [PMID: 37200549 PMCID: PMC10167783 DOI: 10.1016/j.jece.2023.110092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 04/10/2023] [Accepted: 05/08/2023] [Indexed: 05/20/2023]
Abstract
Plastic pollution has become one of the most pressing environmental issues worldwide since the vast majority of post-consumer plastics are hard to degrade in the environment. The coronavirus disease (COVID-19) pandemic had disrupted the previous effort of plastic pollution mitigation to a great extent due to the overflow of plastic-based medical waste. In the post-pandemic era, the remaining challenge is how to motivate global action towards a plastic circular economy. The need for one package of sustainable and systematic plastic upcycling approaches has never been greater to address such a challenge. In this review, we summarized the threat of plastic pollution during COVID-19 to public health and ecosystem. In order to solve the aforementioned challenges, we present a shifting concept, regeneration value from plastic waste, that provides four promising pathways to achieve a sustainable circular economy: 1) Increasing reusability and biodegradability of plastics; 2) Transforming plastic waste into high-value products by chemical approaches; 3) The closed-loop recycling can be promoted by biodegradation; 4) Involving renewable energy into plastic upcycling. Additionally, the joint efforts from different social perspectives are also encouraged to create the necessary economic and environmental impetus for a circular economy.
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Affiliation(s)
- Anni Li
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing 210009, People's Republic of China
| | - Haiyang Cui
- RWTH Aachen University, Templergraben 55, 52062 Aachen, Germany
| | - Yijie Sheng
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing 210009, People's Republic of China
| | - Jie Qiao
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing 210009, People's Republic of China
| | - Xiujuan Li
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing 210009, People's Republic of China
| | - He Huang
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing 210009, People's Republic of China
- School of Pharmaceutical Sciences, Nanjing Tech University, No. 30 South Puzhu Road, Nanjing 211816, People's Republic of China
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4
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Yang Y, Yang Y, Huang J, Li S, Meng Z, Cai W, Lai Y. Electrospun Nanocomposite Fibrous Membranes for Sustainable Face Mask Based on Triboelectric Nanogenerator with High Air Filtration Efficiency. ADVANCED FIBER MATERIALS 2023; 5:1-14. [PMID: 37361106 PMCID: PMC10184097 DOI: 10.1007/s42765-023-00299-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Accepted: 05/02/2023] [Indexed: 06/28/2023]
Abstract
Abstract Air pollution caused by the rapid development of industry has always been a great issue to the environment and human being's health. However, the efficient and persistent filtration to PM0.3 remains a great challenge. Herein, a self-powered filter with micro-nano composite structure composed of polybutanediol succinate (PBS) nanofiber membrane and polyacrylonitrile (PAN) nanofiber/polystyrene (PS) microfiber hybrid mats was prepared by electrospinning. The balance between pressure drop and filtration efficiency was achieved through the combination of PAN and PS. In addition, an arched TENG structure was created using the PAN nanofiber/PS microfiber composite mat and PBS fiber membrane. Driven by respiration, the two fiber membranes with large difference in electronegativity achieved contact friction charging cycles. The open-circuit voltage of the triboelectric nanogenerator (TENG) can reach to about 8 V, and thus the high filtration efficiency for particles was achieved by the electrostatic capturing. After contact charging, the filtration efficiency of the fiber membrane for PM0.3 can reach more than 98% in harsh environments with a PM2.5 mass concentration of 23,000 µg/m3, and the pressure drop is about 50 Pa, which doesn't affect people's normal breathing. Meanwhile, the TENG can realize self-powered supply by continuously contacting and separating the fiber membrane driven by respiration, which can ensure the long-term stability of filtration efficiency. The filter mask can maintain a high filtration efficiency (99.4%) of PM0.3 for 48 consecutive hours in daily environments. Graphical abstract Supplementary Information The online version contains supplementary material available at 10.1007/s42765-023-00299-z.
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Affiliation(s)
- Yue Yang
- College of Chemical Engineering, Fuzhou University, 350116 Fuzhou, People’s Republic of China
| | - Yuchen Yang
- College of Chemical Engineering, Fuzhou University, 350116 Fuzhou, People’s Republic of China
- Qingyuan Innovation Laboratory, 362801 Quanzhou, People’s Republic of China
| | - Jianying Huang
- College of Chemical Engineering, Fuzhou University, 350116 Fuzhou, People’s Republic of China
- Qingyuan Innovation Laboratory, 362801 Quanzhou, People’s Republic of China
| | - Shuhui Li
- Department of Chemistry, University College London, London, WC1H 0AJ UK
- Wenzhou Institute, University of Chinese Academy of Science, Zhejiang 325000 Wenzhou, People’s Republic of China
| | - Zheyi Meng
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, 201620 Shanghai, People’s Republic of China
| | - Weilong Cai
- College of Chemical Engineering, Fuzhou University, 350116 Fuzhou, People’s Republic of China
- Qingyuan Innovation Laboratory, 362801 Quanzhou, People’s Republic of China
| | - Yuekun Lai
- College of Chemical Engineering, Fuzhou University, 350116 Fuzhou, People’s Republic of China
- Qingyuan Innovation Laboratory, 362801 Quanzhou, People’s Republic of China
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5
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Vázquez-López A, Del Río Saez JS, de la Vega J, Ao X, Wang DY. All-Fabric Triboelectric Nanogenerator (AF-TENG) Smart Face Mask: Remote Long-Rate Breathing Monitoring and Apnea Alarm. ACS Sens 2023; 8:1684-1692. [PMID: 36976959 DOI: 10.1021/acssensors.2c02825] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
Abstract
Since the beginning of the COVID-19 pandemic, the use of face masks has become not only mandatory in several countries but also an acceptable approach for combating the pandemic. In the quest for designing an effective and useful face mask, triboelectric nanogenerators (TENGs) have been recently proposed. Novel functionalities are provided with the use of TENGs in face masks due to the induced triboelectrification generated by the exhaled and inhaled breath, allowing their use as an energy sensor. Nonetheless, within the face mask, the presence of nontextile plastics or other common triboelectric (TE) materials can be undesired. Herein, we propose the use of an all-fabric TENG (AF-TENG) with the use of high molecular weight polyethylene (UHMWPE) and cotton fabric as negative and positive triboelectric layers, respectively. With these materials, it is possible to detect the breathing of the patient, which in the case of not detecting a signal over a few minutes can trigger an alarm locally, providing valuable time. Also, in this article, we have sent breathing signals locally and remotely to distances up to 20 km via Wi-Fi and LoRa, the same as warning signals in the case of detecting anomalies. This work reveals the use of TENGs in smart face masks as an important tool to be used in difficult epidemiological periods to the general public, bringing much more comfort and relaxation to patients and elderly in today's society, and based on pristine eco-friendly materials.
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Affiliation(s)
- Antonio Vázquez-López
- IMDEA Materials Institute, C/Eric Kandel, 2, Getafe, 28906 Madrid, Spain
- Materials Science and Engineering Area, Escuela Superior de Ciencias Experimentales y Tecnología, Universidad Rey Juan Carlos, C/Tulipán s/n, 28933 Madrid, Spain
| | - José Sánchez Del Río Saez
- IMDEA Materials Institute, C/Eric Kandel, 2, Getafe, 28906 Madrid, Spain
- Departamento de Ingeniería Eléctrica, Electrónica Automática y Física Aplicada, ETSIDI, Universidad Politécnica de Madrid, Ronda de Valencia 3, 28012 Madrid, Spain
- Institute for Research in Technology, ICAI School of Engineering, Pontifical Comillas University, Madrid, C/Santa Cruz de Marcenado, 26, 28015 Madrid, Spain
| | - Jimena de la Vega
- IMDEA Materials Institute, C/Eric Kandel, 2, Getafe, 28906 Madrid, Spain
| | - Xiang Ao
- IMDEA Materials Institute, C/Eric Kandel, 2, Getafe, 28906 Madrid, Spain
| | - De-Yi Wang
- IMDEA Materials Institute, C/Eric Kandel, 2, Getafe, 28906 Madrid, Spain
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6
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Su C, Zhang L, Zhang Y, Huang X, Ye Y, Xia Y, Gong Z, Qin X, Liu Y, Guo S. P(VDF-TrFE)/BaTiO 3 Nanofibrous Membrane with Enhanced Piezoelectricity for High PM 0.3 Filtration and Reusable Face Masks. ACS APPLIED MATERIALS & INTERFACES 2023; 15:5845-5855. [PMID: 36652453 DOI: 10.1021/acsami.2c19569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
In the background of air pollution and regular COVID-19 prevention, personal protective masks are necessary for our daily life. However, protective masks with high PM0.3 filtration usually have poor air permeability and are mostly disposable, leading to a heavy burden on the environment. In this work, a reusable membrane based on piezoelectric poly(vinylidene fluoride-trifluoroethylene) [P(VDF-TrFE)] nanofibers embedded with BaTiO3 nanoparticles (BTO NPs) was developed. The P(VDF-TrFE)/BTO composite nanofibers not only have enhanced piezoelectricity and surface polarity but also have reduced diameters that could be beneficial for electrostatic adhesion, pole-polar interactions, and mechanical sieving to increase the PM0.3 capture capacity. Moreover, the BTO NPs also improved the charge storage capacity of the composite membrane, which could further enhance the PM0.3 filtration efficiency after corona treatment. The piezoelectric mask based on P(VDF-TrFE)/BTO composite nanofibers has high filtration efficiencies of 96% for PM0.3 and 98% for bacteria, while the pressure drop was only 182 Pa, which is lower than the commercial N95 standard of 343.2 Pa. Furthermore, the piezoelectric mask has a long and stable filtration performance after 5 cycles of 75% alcohol disinfection, demonstrating that the P(VDF-TrFE)/BTO composite membrane has a potential application in personal protective masks with comfortable and reusable properties.
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Affiliation(s)
- Cuicui Su
- Center for Evidence-Based and Translational Medicine, Zhongnan Hospital of Wuhan University, Wuhan430071, China
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, School of Physics and Technology, Wuhan University, Wuhan430072, China
| | - Lingling Zhang
- Center for Evidence-Based and Translational Medicine, Zhongnan Hospital of Wuhan University, Wuhan430071, China
| | - Yuanzheng Zhang
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, School of Physics and Technology, Wuhan University, Wuhan430072, China
| | - Xiaocheng Huang
- Department of Materials Science and Engineering, Faculty of Materials Science and Chemical Engineering, Ningbo University, Ningbo315211, China
| | - Yumin Ye
- Department of Materials Science and Engineering, Faculty of Materials Science and Chemical Engineering, Ningbo University, Ningbo315211, China
| | - Yu Xia
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, School of Physics and Technology, Wuhan University, Wuhan430072, China
| | - Zhiyi Gong
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, School of Physics and Technology, Wuhan University, Wuhan430072, China
| | - Xiaojuan Qin
- Department of Materials and Chemical Engineering, Taiyuan University, Taiyuan030032, China
| | - Yichao Liu
- Center for Evidence-Based and Translational Medicine, Zhongnan Hospital of Wuhan University, Wuhan430071, China
| | - Shishang Guo
- Hubei Yangtze Memory Laboratories, Wuhan430205, China
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, School of Physics and Technology, Wuhan University, Wuhan430072, China
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7
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Liu H, Zhang F, Lin X, Wu J, Huang J. A hierarchical integrated 3D carbon electrode derived from gingko leaves via hydrothermal carbonization of H 3PO 4 for high-performance supercapacitors. NANOSCALE ADVANCES 2023; 5:786-795. [PMID: 36756496 PMCID: PMC9890899 DOI: 10.1039/d2na00758d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 05/02/2023] [Accepted: 12/06/2022] [Indexed: 05/20/2023]
Abstract
Electrochemical ultracapacitors derived from green and sustainable materials could demonstrate superior energy output and an ultra-long cycle life owing to large accessible surface area and obviously shortened ion diffusion pathways. Herein, we have established an efficient strategy to fabricate porous carbon (GLAC) from sustainable gingko leaf precursors by a facile hydrothermal activation of H3PO4 and low-cost pyrolysis. In this way, GLAC with a hierarchically porous structure exhibits extraordinary adaptability toward a high energy/power supercapacitor (∼709 F g-1 at 1 A g-1) in an aqueous electrolyte (1 M KOH). Notably, the GLAC-2-based supercapacitor displays an ultra-high stability of ∼98.24% even after 10 000 cycles (10 A g-1) and an impressive energy density as large as ∼71 W h kg-1 at a power density of 1.2 kW kg-1. The results provide new insights that the facile synthetic procedure coupled with the excellent performance contributes to great potential for future application in the electrochemical energy storage field.
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Affiliation(s)
- Han Liu
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile and Biomass Sciences, Westa College, Southwest University Chongqing 400715 PR China
| | - Fumin Zhang
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile and Biomass Sciences, Westa College, Southwest University Chongqing 400715 PR China
| | - Xinyu Lin
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile and Biomass Sciences, Westa College, Southwest University Chongqing 400715 PR China
| | - Jinggao Wu
- Key Laboratory of Rare Earth Optoelectronic Materials & Devices, College of Chemistry and Materials Engineering, Huaihua University Huaihua 418000 PR China
| | - Jing Huang
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile and Biomass Sciences, Westa College, Southwest University Chongqing 400715 PR China
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8
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Huang D, Sun Q, Liu Z, Xu S, Yang R, Yue Y. Ballistic Thermal Transport at Sub-10 nm Laser-Induced Hot Spots in GaN Crystal. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2204777. [PMID: 36394164 PMCID: PMC9839872 DOI: 10.1002/advs.202204777] [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: 08/22/2022] [Revised: 11/02/2022] [Indexed: 05/31/2023]
Abstract
Ballistic thermal transport at nanoscale hotspots will greatly reduce the performance of a Gallium nitride (GaN) device when its characteristic length reaches the nanometer scale. In this work, the authors develop a tip-enhanced Raman thermometry approach to study ballistic thermal transport within the range of 10 nm in GaN, simultaneously achieving laser heating and measuring the local temperature. The Raman results show that the temperature increase from an Au-coated tip-focused hotspot up to two times higher (40 K) than that in a bare tip-focused region (20 K). To further investigate the possible mechanisms behind this temperature difference, the authors perform electromagnetic simulations to generate a highly focused heating field, and observe a highly localized optical penetration, within a range of 10 nm. The phonon mean free path (MFP) of the GaN substrate can thus be determined by comparing the numerical simulation results with the experimentally measured temperature increase which is in good agreement with the average MFP weighted by the mode-specific thermal conductivity, as calculated from first-principles simulations. The results demonstrate that the phonon MFP of a material can be rapidly predicted through a combination of experiments and simulations, which can find wide application in the thermal management of GaN-based electronics.
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Affiliation(s)
- Dezhao Huang
- School of Power and Mechanical EngineeringWuhan UniversityWuhanHubei430072China
| | - Qiangsheng Sun
- School of Power and Mechanical EngineeringWuhan UniversityWuhanHubei430072China
| | - Zeyu Liu
- Department of Applied PhysicsSchool of Physics and ElectronicsHunan UniversityChangshaHunan410082China
| | - Shen Xu
- School of Mechanical and Automotive EngineeringShanghai University of Engineering ScienceShanghai201620China
| | - Ronggui Yang
- School of Energy and Power EngineeringHuazhong University of Science and TechnologyWuhan430074China
| | - Yanan Yue
- School of Power and Mechanical EngineeringWuhan UniversityWuhanHubei430072China
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9
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Chou S, Lu H, Liu T, Chen Y, Fu Y, Shieh Y, Lai Y, Chen S. An Environmental-Inert and Highly Self-Healable Elastomer Obtained via Double-Terminal Aromatic Disulfide Design and Zwitterionic Crosslinked Network for Use as a Triboelectric Nanogenerator. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2202815. [PMID: 36453583 PMCID: PMC9839881 DOI: 10.1002/advs.202202815] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 08/11/2022] [Indexed: 06/17/2023]
Abstract
Due to the ongoing development of portable/mobile electronics, sources to power have received widespread attention. Compared to chemical batteries as power sources, triboelectric nanogenerators (TENGs) possess lots of advantages, including the ability to harvest energy via human motions, flexible structures, environment-friendliness, and long-life characteristics. Although many self-healable TENGs are reported, the achievement of a muscle-like elasticity and the ability to recover from inevitable damage under extreme conditions (such as a high/low temperature and/or humidity) remain a challenge. Herein, a "double-terminal aromatic disulfide" on a structure with zwitterions as branched chains is reported to engineer the high-efficient self-healable elastomer for application in a flexible TENG. The as-designed material exhibits a repeatable elastic recovery (at 250% elongation) and a self-healing efficiency with an ultimate tensile stress of 96% over 2 h, representing an improvement on previously reported disulfide-based elastomers. The elastomer can autonomously recover by 50% even at a subzero temperature of -30 °C within 24 h. The elastomer-based TENG, as a self-driven sensor for detecting human behavior, is demonstrated to exhibit stable outputs and self-healing in the temperature range of -30 to 60 °C, and so is expected to promote the development of self-powered electronics for next-generation human-machine communications.
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Affiliation(s)
- Syun‐Hong Chou
- Department of Materials Science and EngineeringNational Yang Ming Chiao Tung UniversityHsinchu30010Taiwan
| | - Hong‐Wei Lu
- Department of Materials Science and EngineeringNational Chung Hsing UniversityTaichung40227Taiwan
| | - Ta‐Chung Liu
- Department of Biomedical EngineeringNational Yang Ming Chiao Tung UniversityTaipei112304Taiwan
| | - Yi‐Ting Chen
- Department of Materials Science and EngineeringNational Chung Hsing UniversityTaichung40227Taiwan
| | - Yen‐Lin Fu
- Department of Materials Science and EngineeringNational Yang Ming Chiao Tung UniversityHsinchu30010Taiwan
| | - Yung‐Hsin Shieh
- Department of Materials Science and EngineeringNational Tsing Hua UniversityHsinchu300044Taiwan
| | - Ying‐Chih Lai
- Department of Materials Science and EngineeringNational Chung Hsing UniversityTaichung40227Taiwan
- Innovation and Development Center of Sustainable Agriculturei‐Center for Advanced Science and TechnologyNational Chung Hsing UniversityTaichung40227Taiwan
| | - San‐Yuan Chen
- Department of Materials Science and EngineeringNational Yang Ming Chiao Tung UniversityHsinchu30010Taiwan
- Graduate Institute of Biomedical ScienceChina Medical UniversityTaichung City406040Taiwan
- Frontier Research Centre on Fundamental and Applied Sciences of MattersNational Tsing Hua UniversityHsinchu300044Taiwan
- School of DentistryCollege of Dental MedicineKaohsiung Medical UniversityKaohsiung City80708Taiwan
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10
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Su L, Xiong Q, Wang H, Zi Y. Porous-Structure-Promoted Tribo-Induced High-Performance Self-Powered Tactile Sensor toward Remote Human-Machine Interaction. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2203510. [PMID: 36073821 PMCID: PMC9661844 DOI: 10.1002/advs.202203510] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 08/26/2022] [Indexed: 06/01/2023]
Abstract
Self-powered tactile sensor with versatile functions plays a significant role in the development of an intelligent human-machine interaction (HMI) system. Herein, a hybrid self-powered porous-structured tactile sensor (SPTS) is proposed by monolithically integrating a porous triboelectrification-induced electroluminescence (TIEL) component and a single-electrode triboelectric nanogenerator with the high charge generation in the bulk volume. At a low pressure of 10 kPa, TIEL intensity can be significantly improved by three times, which is superior to that in previous reports, with enhanced triboelectricity. Based on the enhancement brought by the porous structure and optimized parameters, the SPTS achieves significant sensing performance in both optical and electrical modes. To demonstrate the potential of practical applications, a programmable optical and electrical dual-mode HMI system is established based on SPTS to remotely control an intelligent vehicle and operate a computer game through identifying finger touch trajectories. This work not only contributes a new economical-effective methodology toward a high-performance tribo-induced self-powered tactile sensor but also facilitates the remote control of HMI with dual-mode functionality, which has broad potential applications in the fields of intelligent robots, augmented reality, flexible wearable electronics, and smart home.
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Affiliation(s)
- Li Su
- Hebei Key Laboratory of Micro‐Nano Precision Optical Sensing and Measurement TechnologySchool of Control EngineeringNortheastern University at QinhuangdaoQinhuangdaoHebei066004China
| | - Quan Xiong
- Department of Biomedical EngineeringNational University of SingaporeSingapore117583Singapore
| | - Haoyu Wang
- Department of Mechanical and Automation EngineeringThe Chinese University of Hong KongShatin, New TerritoriesHong KongChina
| | - Yunlong Zi
- Department of Mechanical and Automation EngineeringThe Chinese University of Hong KongShatin, New TerritoriesHong KongChina
- Thrust of Sustainable Energy and EnvironmentThe Hong Kong University of Science and Technology (Guangzhou)NanshaGuangdong511400China
- HKUST Shenzhen‐Hong Kong Collaborative Innovation Research InstituteFutianShenzhenGuangdong518048China
- Department of Mechanical and Aerospace EngineeringThe Hong Kong University of Science and TechnologyClear Water BayHong Kong SARChina
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11
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Khan J, E N, Mariatti M, Vilay V, Todo M. A comprehensive review on facemask manufacturing, testing, and its environmental impacts. JOURNAL OF INDUSTRIAL TEXTILES 2022; 52:15280837221111175. [PMID: 36249720 PMCID: PMC9548449 DOI: 10.1177/15280837221111175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
The coronavirus pandemic (COVID-19) is currently the biggest threat to human lives due to its rapid transmission rate causing severe damage to human health and economy. The transmission of viral diseases can be minimized at its early stages with proper planning and preventive practices. The use of facemask has proved to be most effective measure to curb the spread of virus along with social distancing and good hygiene practices. This necessitates more research on facemask technology to increase its filtration efficiencies and proper disposal, which can be accelerated with knowledge of the current manufacturing process and recent research in this field. This review article provides an overview of the importance of facemask, fundamentals of nonwoven fabrics, and its manufacturing process. It also covers topics related to recent research reported for improved facemask efficiencies and testing methods to evaluate the performance of facemask. The plastic waste associated with the facemask and measures to minimize its effect are also briefly described. A systematic understanding is given in order to trigger future research in this field to ensure that we are well equipped for any future pandemic.
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Affiliation(s)
- Junaid Khan
- School of Materials and Mineral Resources Engineering, Universiti Sains Malaysia, Nibong Tebal Penang, Malaysia
| | - Netnapa E
- School of Materials and Mineral Resources Engineering, Universiti Sains Malaysia, Nibong Tebal Penang, Malaysia
| | - M Mariatti
- School of Materials and Mineral Resources Engineering, Universiti Sains Malaysia, Nibong Tebal Penang, Malaysia
| | - V Vilay
- Department of Mechanical Engineering, Faculty of Engineering, Sokpaluang Campus, National University of Laos, Vientiane, Laos
| | - M Todo
- Renewable Energy Center, Research Institute for Applied Mechanics, Kyushu University, Fukuoka, Japan
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12
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Liu L, Li W, Feng X, Guo C, Zhang H, Wei H, Yang B. Energy Transfer Assisted Fast X-ray Detection in Direct/Indirect Hybrid Perovskite Wafer. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2103735. [PMID: 35319817 PMCID: PMC9130882 DOI: 10.1002/advs.202103735] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 02/05/2022] [Indexed: 05/28/2023]
Abstract
Metal halide perovskite scintillators encounter unprecedented opportunities in indirect ionizing radiation detection due to their high quantum yields. However, the long scintillation lifetime of microseconds upon irradiation, known as the afterglow phenomenon, obviously limits their fast development. Here, a new type of hybrid X-ray detector wafer combining direct methylamine lead iodide (MAPbI3 ) semiconductor and indirect zero-dimensional cesium copper iodide (Cs3 Cu2 I5 ) scintillator through low-cost fast tableting processes is reported. Due to the fast energy transfer from Cs3 Cu2 I5 to MAPbI3 , the device response time to X-rays is dramatically reduced by nearly 30 times to 36.6 ns, which enables fast X-ray detection capability by a large area detector arrays within 1 s. Moreover, Cs3 Cu2 I5 exists at the grain boundaries of MAPbI3 crystals, and blocks the paths of mobile ions of perovskite, leading to the lowest detectable dose rate of hybrid X-ray detector is thus reduced by 1.5 times compared with control MAPbI3 direct-type semiconductor, and 10 times compared with the Cs3 Cu2 I5 indirect-type scintillator. The direct/indirect hybrid wafer also exhibits improved operation stability at ambient conditions without any encapsulation. This new kind of hybrid X-ray detectors provides strong competitiveness by combining the advantages of both direct perovskite semiconductors and indirect perovskite scintillators for next-generation products.
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Affiliation(s)
- Lulu Liu
- State Key Laboratory of Supramolecular Structure and MaterialsCollege of ChemistryJilin UniversityChangchun130012P. R. China
| | - Weijun Li
- State Key Laboratory of Supramolecular Structure and MaterialsCollege of ChemistryJilin UniversityChangchun130012P. R. China
| | - Xiaopeng Feng
- State Key Laboratory of Supramolecular Structure and MaterialsCollege of ChemistryJilin UniversityChangchun130012P. R. China
| | - Chunjie Guo
- Department of RadiologyThe First Hospital of Jilin UniversityChangchun130061P. R. China
| | - Huimao Zhang
- Department of RadiologyThe First Hospital of Jilin UniversityChangchun130061P. R. China
| | - Haotong Wei
- State Key Laboratory of Supramolecular Structure and MaterialsCollege of ChemistryJilin UniversityChangchun130012P. R. China
- Optical Functional Theranostics Joint Laboratory of Medicine and ChemistryThe First Hospital of Jilin UniversityChangchun130012P. R. China
| | - Bai Yang
- State Key Laboratory of Supramolecular Structure and MaterialsCollege of ChemistryJilin UniversityChangchun130012P. R. China
- Optical Functional Theranostics Joint Laboratory of Medicine and ChemistryThe First Hospital of Jilin UniversityChangchun130012P. R. China
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13
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Chen D, Tang L, Wang Y, Tan Y, Fu Y, Cai W, Yu Z, Sun S, Zheng J, Cui J, Wang G, Liu Y, Zhou H. Speaking-Induced Charge-Laden Face Masks with Durable Protectiveness and Wearing Breathability. ACS APPLIED MATERIALS & INTERFACES 2022; 14:17774-17782. [PMID: 35362941 PMCID: PMC8982734 DOI: 10.1021/acsami.2c01077] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 03/22/2022] [Indexed: 05/17/2023]
Abstract
Face masks, which serve as personal protection equipment, have become ubiquitous for combating the ongoing COVID-19. However, conventional electrostatic-based mask filters are disposable and short-term effective with high breathing resistance, causing respiratory ailments and massive consumption (129 billion monthly), intensifying global environmental pollution. In an effort to address these challenges, the introduction of a piezoelectric polymer was adopted to realize the charge-laden melt-blown via the melt-blowing method. The charge-laden melt-blown could be applied to manufacture face masks and to generate charges triggered by mechanical and acoustic energy originated from daily speaking. Through an efficient and scalable industrial melt-blown process, our charge-laden mask is capable of overcoming the inevitable electrostatic attenuation, even in a high-humidity atmosphere by long-wearing (prolonging from 4 to 72 h) and three-cycle common decontamination methods. Combined with outstanding protective properties (PM2.5 filtration efficiency >99.9%), breathability (differential pressure <17 Pa/cm2), and mechanical strength, the resultant charge-laden mask could enable the decreased replacement of masks, thereby lowering to 94.4% of output masks worldwide (∼122 billion monthly) without substituting the existing structure or assembling process.
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Affiliation(s)
- Dan Chen
- State Key Laboratory of Materials Processing and Die
& Mould Technology, School of Materials Science and Engineering, Huazhong
University of Science and Technology, Wuhan 430074,
China
| | - Lianwei Tang
- State Key Laboratory of Materials Processing and Die
& Mould Technology, School of Materials Science and Engineering, Huazhong
University of Science and Technology, Wuhan 430074,
China
| | - Yunming Wang
- State Key Laboratory of Materials Processing and Die
& Mould Technology, School of Materials Science and Engineering, Huazhong
University of Science and Technology, Wuhan 430074,
China
| | - Yongyao Tan
- Department of Ophthalmology, Tongji Hospital, Tongji
Medical College, Huazhong University of Science and Technology,
Wuhan 430074, China
| | - Yue Fu
- State Key Laboratory of Materials Processing and Die
& Mould Technology, School of Materials Science and Engineering, Huazhong
University of Science and Technology, Wuhan 430074,
China
| | - Weihao Cai
- State Key Laboratory of Materials Processing and Die
& Mould Technology, School of Materials Science and Engineering, Huazhong
University of Science and Technology, Wuhan 430074,
China
| | - Zhaohan Yu
- State Key Laboratory of Materials Processing and Die
& Mould Technology, School of Materials Science and Engineering, Huazhong
University of Science and Technology, Wuhan 430074,
China
| | - Shuang Sun
- State Key Laboratory of Materials Processing and Die
& Mould Technology, School of Materials Science and Engineering, Huazhong
University of Science and Technology, Wuhan 430074,
China
| | - Jiaqi Zheng
- State Key Laboratory of Materials Processing and Die
& Mould Technology, School of Materials Science and Engineering, Huazhong
University of Science and Technology, Wuhan 430074,
China
| | - Jingqiang Cui
- Henan Key Laboratory of Medical Polymer
Materials Technology and Application, TuoRen Medical Device Research & Development
Institute Co., Ltd., Health Technology Industry Park Changyuan County,
Changyuan, Henan 453000, China
| | - Guosheng Wang
- Henan Key Laboratory of Medical Polymer
Materials Technology and Application, TuoRen Medical Device Research & Development
Institute Co., Ltd., Health Technology Industry Park Changyuan County,
Changyuan, Henan 453000, China
| | - Yang Liu
- State Key Laboratory of Materials Processing and Die
& Mould Technology, School of Materials Science and Engineering, Huazhong
University of Science and Technology, Wuhan 430074,
China
| | - Huamin Zhou
- State Key Laboratory of Materials Processing and Die
& Mould Technology, School of Materials Science and Engineering, Huazhong
University of Science and Technology, Wuhan 430074,
China
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14
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Tao K, Chen Z, Yu J, Zeng H, Wu J, Wu Z, Jia Q, Li P, Fu Y, Chang H, Yuan W. Ultra-Sensitive, Deformable, and Transparent Triboelectric Tactile Sensor Based on Micro-Pyramid Patterned Ionic Hydrogel for Interactive Human-Machine Interfaces. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2104168. [PMID: 35098703 PMCID: PMC8981453 DOI: 10.1002/advs.202104168] [Citation(s) in RCA: 62] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 01/02/2022] [Indexed: 05/19/2023]
Abstract
Rapid advances in wearable electronics and mechno-sensational human-machine interfaces impose great challenges in developing flexible and deformable tactile sensors with high efficiency, ultra-sensitivity, environment-tolerance, and self-sustainability. Herein, a tactile hydrogel sensor (THS) based on micro-pyramid-patterned double-network (DN) ionic organohydrogels to detect subtle pressure changes by measuring the variations of triboelectric output signal without an external power supply is reported. By the first time of pyramidal-patterned hydrogel fabrication method and laminated polydimethylsiloxane (PDMS) encapsulation process, the self-powered THS shows the advantages of remarkable flexibility, good transparency (≈85%), and excellent sensing performance, including extraordinary sensitivity (45.97 mV Pa-1 ), fast response (≈20 ms), very low limit of detection (50 Pa) as well as good stability (36 000 cycles). Moreover, with the LiBr immersion treatment method, the THS possesses excellent long-term hyper anti-freezing and anti-dehydrating properties, broad environmental tolerance (-20 to 60 °C), and instantaneous peak power density of 20 µW cm-2 , providing reliable contact outputs with different materials and detecting very slight human motions. By integrating the signal acquisition/process circuit, the THS with excellent self-power sensing ability is utilized as a switching button to control electric appliances and robotic hands by simulating human finger gestures, offering its great potentials for wearable and multi-functional electronic applications.
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Affiliation(s)
- Kai Tao
- Ministry of Education Key Laboratory of Micro and Nano Systems for Aerospace Northwestern Polytechnical UniversityXi'an710072P. R. China
| | - Zhensheng Chen
- Ministry of Education Key Laboratory of Micro and Nano Systems for Aerospace Northwestern Polytechnical UniversityXi'an710072P. R. China
| | - Jiahao Yu
- Ministry of Education Key Laboratory of Micro and Nano Systems for Aerospace Northwestern Polytechnical UniversityXi'an710072P. R. China
| | - Haozhe Zeng
- Ministry of Education Key Laboratory of Micro and Nano Systems for Aerospace Northwestern Polytechnical UniversityXi'an710072P. R. China
| | - Jin Wu
- State Key Laboratory of Optoelectronic Materials and Technologies and the Guangdong Province Key Laboratory of Display Material and TechnologySchool of Electronics and Information TechnologySun Yat‐sen UniversityGuangzhou510275P. R. China
| | - Zixuan Wu
- State Key Laboratory of Optoelectronic Materials and Technologies and the Guangdong Province Key Laboratory of Display Material and TechnologySchool of Electronics and Information TechnologySun Yat‐sen UniversityGuangzhou510275P. R. China
| | - Qingyan Jia
- Frontiers Science Center for Flexible Electronics (FSCFE)Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials and Engineering (IBME)Northwestern Polytechnical UniversityXi'an710072P. R. China
| | - Peng Li
- Frontiers Science Center for Flexible Electronics (FSCFE)Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials and Engineering (IBME)Northwestern Polytechnical UniversityXi'an710072P. R. China
| | - Yongqing Fu
- Faculty of Engineering and EnvironmentNorthumbria UniversityNewcastle upon TyneNE1 8STUK
| | - Honglong Chang
- Ministry of Education Key Laboratory of Micro and Nano Systems for Aerospace Northwestern Polytechnical UniversityXi'an710072P. R. China
| | - Weizheng Yuan
- Ministry of Education Key Laboratory of Micro and Nano Systems for Aerospace Northwestern Polytechnical UniversityXi'an710072P. R. China
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15
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Naragund VS, Panda PK. Electrospun nanofiber-based respiratory face masks-a review. EMERGENT MATERIALS 2022; 5:261-278. [PMID: 35098033 PMCID: PMC8788396 DOI: 10.1007/s42247-022-00350-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 01/19/2022] [Indexed: 05/05/2023]
Abstract
The severe acute respiratory syndrome coronavirus (SARS-CoV-2) pandemic of 2019 forced widespread use of face coverings as a mandatory step towards reducing infection by the virus. The face mask acts as a barrier for transmission of infected aerosols among its user and surrounding people. This has propelled pace of research and development of face masks around the world. This short review is an effort to present advances in materials and designs used for face masks. Details available in scientific literature and company brochures have been accessed and the use of nanomaterials and designs for the new generation of face masks have been discussed. Special attention was given to the face masks based on electrospun nanofiber-based membrane materials due to their nano-sized pores, light weight, and high filtration efficiency; therefore, they are commercially viable and popular among various products available in the market. Incorporation of metal organic framework (MOFs) and graphene have opened avenues to more advanced/multi-functional, reusable, and high capacity adsorption filtration membranes. Rapid prototyping/3-dimensional (3-D) printing techniques have been applied to shorten the time of manufacture of face masks. This review is expected to be very helpful for engineers, scientists, and entrepreneurs working on development of novel face masks required in plenty during this pandemic period.
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Affiliation(s)
- Veereshgouda S. Naragund
- Materials Science Division, CSIR – National Aerospace Laboratories, HAL Old Airport Road, Kodihalli, Bengaluru, 560017 India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002 India
| | - P. K. Panda
- Materials Science Division, CSIR – National Aerospace Laboratories, HAL Old Airport Road, Kodihalli, Bengaluru, 560017 India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002 India
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16
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Tavares JL, Cavalcanti IDL, Santos Magalhães NS, Lira Nogueira MCDB. Nanotechnology and COVID-19: quo vadis?. JOURNAL OF NANOPARTICLE RESEARCH : AN INTERDISCIPLINARY FORUM FOR NANOSCALE SCIENCE AND TECHNOLOGY 2022; 24:62. [PMID: 35283662 PMCID: PMC8901091 DOI: 10.1007/s11051-022-05452-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 03/01/2022] [Indexed: 05/02/2023]
Abstract
The pandemic COVID-19 has worried everyone due to the high mortality rate and the high number of people hospitalized with severe acute respiratory syndrome caused by SARS-CoV-2. Given the seriousness of this disease, several companies and research institutions have sought alternative treatment and/or prevention methods for COVID-19. Due to its versatility, nanotechnology has allowed the development of protective equipment and vaccines to prevent the disease and reduce the number of severe COVID-19 cases. Thus, this article combined the main works and products developed in a nanotechnological field for COVID-19. We performed a literature search using the keywords "COVID-19," "SARS-CoV-2," "nanoparticles," "nanotechnology," and "liposomes" in the SciELO, Scifinder, PubMed, Sciencedirect, ClinicalTrials, and Nanotechnology Products databases Database. The data survey indicated 48 articles, 62 products, and 32 patents. The use of nanotechnology against COVID-19 has brought benefits in several parameters of this disease, helping develop rapid diagnostic tests that release the result in 10 min, as well as developing vaccines containing genetic material from SARS-CoV-2 (DNA, mRNA, and protein subunits). Nanotechnology is an exceptional ally against COVID-19, contributing to the most diverse areas, helping both prevent, diagnose, and treat COVID-19.
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Affiliation(s)
- João Lima Tavares
- Laboratório de Imunopatologia Keizo-Asami (LIKA), Universidade Federal de Pernambuco (UFPE), Av. Prof. Moraes Rego, Cidade Universitária, Recife, PE 123550670-901 Brazil
- Laboratório de Nanotecnologia, Biotecnologia e Cultura de Células, Centro Acadêmico de Vitória, Universidade Federal de Pernambuco (CAV/UFPE), Recife, Brazil
| | - Iago Dillion Lima Cavalcanti
- Laboratório de Imunopatologia Keizo-Asami (LIKA), Universidade Federal de Pernambuco (UFPE), Av. Prof. Moraes Rego, Cidade Universitária, Recife, PE 123550670-901 Brazil
- Laboratório de Nanotecnologia, Biotecnologia e Cultura de Células, Centro Acadêmico de Vitória, Universidade Federal de Pernambuco (CAV/UFPE), Recife, Brazil
| | - Nereide Stela Santos Magalhães
- Laboratório de Imunopatologia Keizo-Asami (LIKA), Universidade Federal de Pernambuco (UFPE), Av. Prof. Moraes Rego, Cidade Universitária, Recife, PE 123550670-901 Brazil
| | - Mariane Cajubá de Britto Lira Nogueira
- Laboratório de Imunopatologia Keizo-Asami (LIKA), Universidade Federal de Pernambuco (UFPE), Av. Prof. Moraes Rego, Cidade Universitária, Recife, PE 123550670-901 Brazil
- Laboratório de Nanotecnologia, Biotecnologia e Cultura de Células, Centro Acadêmico de Vitória, Universidade Federal de Pernambuco (CAV/UFPE), Recife, Brazil
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17
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Deng W, Sun Y, Yao X, Subramanian K, Ling C, Wang H, Chopra SS, Xu BB, Wang J, Chen J, Wang D, Amancio H, Pramana S, Ye R, Wang S. Masks for COVID-19. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2102189. [PMID: 34825783 PMCID: PMC8787406 DOI: 10.1002/advs.202102189] [Citation(s) in RCA: 57] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 07/18/2021] [Indexed: 05/08/2023]
Abstract
Sustainable solutions on fabricating and using a face mask to block the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spread during this coronavirus pandemic of 2019 (COVID-19) are required as society is directed by the World Health Organization (WHO) toward wearing it, resulting in an increasingly huge demand with over 4 000 000 000 masks used per day globally. Herein, various new mask technologies and advanced materials are reviewed to deal with critical shortages, cross-infection, and secondary transmission risk of masks. A number of countries have used cloth masks and 3D-printed masks as substitutes, whose filtration efficiencies can be improved by using nanofibers or mixing other polymers into them. Since 2020, researchers continue to improve the performance of masks by adding various functionalities, for example using metal nanoparticles and herbal extracts to inactivate pathogens, using graphene to make masks photothermal and superhydrophobic, and using triboelectric nanogenerator (TENG) to prolong mask lifetime. The recent advances in material technology have led to the development of antimicrobial coatings, which are introduced in this review. When incorporated into masks, these advanced materials and technologies can aid in the prevention of secondary transmission of the virus.
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Affiliation(s)
- Wei Deng
- Department of Mechanical EngineeringCity University of Hong KongHong Kong999077China
| | - Yajun Sun
- Department of Mechanical EngineeringCity University of Hong KongHong Kong999077China
| | - Xiaoxue Yao
- Department of Mechanical EngineeringCity University of Hong KongHong Kong999077China
| | - Karpagam Subramanian
- School of Energy and EnvironmentCity University of Hong KongHong Kong999077China
| | - Chen Ling
- Department of Mechanical EngineeringCity University of Hong KongHong Kong999077China
| | - Hongbo Wang
- Department of Mechanical EngineeringCity University of Hong KongHong Kong999077China
| | - Shauhrat S. Chopra
- School of Energy and EnvironmentCity University of Hong KongHong Kong999077China
| | - Ben Bin Xu
- Department of Mechanical and Construction EngineeringNorthumbria UniversityNewcastle upon TyneNE1 8STUK
| | - Jie‐Xin Wang
- State Key Laboratory of Organic Inorganic CompositesBeijing University of Chemical TechnologyBeijing100029China
| | - Jian‐Feng Chen
- State Key Laboratory of Organic Inorganic CompositesBeijing University of Chemical TechnologyBeijing100029China
| | - Dan Wang
- State Key Laboratory of Organic Inorganic CompositesBeijing University of Chemical TechnologyBeijing100029China
| | - Honeyfer Amancio
- Department of Chemical Engineering and BiotechnologyCambridge UniversityCambridgeCB2 1TNUK
| | - Stevin Pramana
- School of EngineeringNewcastle UniversityNewcastle upon TyneNE1 7RUUK
| | - Ruquan Ye
- Department of ChemistryCity University of Hong KongHong Kong999077China
| | - Steven Wang
- Department of Mechanical EngineeringCity University of Hong KongHong Kong999077China
- School of Energy and EnvironmentCity University of Hong KongHong Kong999077China
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18
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Babaahmadi V, Amid H, Naeimirad M, Ramakrishna S. Biodegradable and multifunctional surgical face masks: A brief review on demands during COVID-19 pandemic, recent developments, and future perspectives. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 798:149233. [PMID: 34329934 PMCID: PMC8302485 DOI: 10.1016/j.scitotenv.2021.149233] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2021] [Revised: 07/19/2021] [Accepted: 07/20/2021] [Indexed: 05/14/2023]
Abstract
Providing the greater public with the current coronavirus (SARS-CoV-2) vaccines is time-consuming and research-intensive; intermediately, some essential ways to reduce the transmission include social distancing, personal hygiene, testing, contact tracing, and universal masking. The data suggests that universal masking, especially using multilayer surgical face masks, offers a powerful efficacy for indoor places. These layers have different functions including antiviral/antibacterial, fluid barrier, particulate and bacterial filtration, and fit and comfort. However, universal masking poses a serious environmental threat since billions of them are disposed on a daily basis; the current coronavirus disease (COVID-19) has put such demands and consequences in perspective. This review focuses on surgical face mask structures and classifications, their impact on our environment, some of their desirable functionalities, and the recent developments around their biodegradability. The authors believe that this review provides an insight into the fabrication and deployment of effective surgical face masks, and it discusses the utilization of multifunctional structures along with biodegradable materials to deal with future demands in a more eco-friendly fashion.
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Affiliation(s)
- Vahid Babaahmadi
- Department of Materials and Textile Engineering, Faculty of Engineering, Razi University, Kermanshah 6714414971, Iran.
| | - Hooman Amid
- Saint-Gobain Inc., Research and Development Supervisor, Nonwoven Abrasives, McAllen, TX 78503, United States of America
| | - Mohammadreza Naeimirad
- Department of Materials and Textile Engineering, Faculty of Engineering, Razi University, Kermanshah 6714414971, Iran
| | - Seeram Ramakrishna
- Centre for Nanofibers and Nanotechnology, Department of Mechanical Engineering, National University of Singapore, Singapore 117575, Singapore
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19
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Liu T, Cai C, Ma R, Deng Y, Tu L, Fan Y, Lu D. Super-hydrophobic Cellulose Nanofiber Air Filter with Highly Efficient Filtration and Humidity Resistance. ACS APPLIED MATERIALS & INTERFACES 2021; 13:24032-24041. [PMID: 33978395 DOI: 10.1021/acsami.1c04258] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
High-air humidity, especially condensation into droplets under the influence of temperature, can pose a serious threat to air purification filters. This report introduces the use of methyltrimethoxysilane (MTMS) for the silanization hydrophobic modification of cellulose nanofibers (CNFs) and obtains an air filter with super-hydrophobicity (CA = 152.4°) and high-efficiency filtration of particulate matter (PM) through the freeze-drying technology. The antihumidity performance of CNFs filters that undergo hydrophobic modification in high-humidity air is improved. Especially in the case of high-humidity air forming condensed water droplets, the increase in the rate of filtration resistance of the hydrophobically modified CNFs filter is much lower than that of the unmodified filter. In addition, the water-vapor-transmission rate of the hydrophobically modified filter is improved. More importantly, adding MTMS can regulate the porous structure of CNFs filters and improve the filtration performance. The specific surface area and the porosity of the filter are 26.54 m2/g and 99.21%, respectively, and the filtering effects of PM1.0 and PM2.5 reach 99.31 and 99.75%, respectively, while a low-filtration resistance (42 Pa) and a quality factor of up to 0.122 Pa-1 are achieved. This work has improved the application potential of high-performance air-purification devices to remove particulate pollution and may provide useful insights to design next-generation air filters suitable for application in high-air humidity.
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Affiliation(s)
- Tao Liu
- School of Light Industry and Food Engineering, Guangxi University, Nanning 530004, China
| | - Chenchen Cai
- School of Light Industry and Food Engineering, Guangxi University, Nanning 530004, China
| | - Ruijia Ma
- School of Light Industry and Food Engineering, Guangxi University, Nanning 530004, China
| | - Yongfei Deng
- School of Light Industry and Food Engineering, Guangxi University, Nanning 530004, China
| | - Lingyun Tu
- School of Light Industry and Food Engineering, Guangxi University, Nanning 530004, China
| | - Yifeng Fan
- School of Light Industry and Food Engineering, Guangxi University, Nanning 530004, China
| | - Dengjun Lu
- School of Light Industry and Food Engineering, Guangxi University, Nanning 530004, China
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20
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Mariello M, Qualtieri A, Mele G, De Vittorio M. Metal-Free Multilayer Hybrid PENG Based on Soft Electrospun/-Sprayed Membranes with Cardanol Additive for Harvesting Energy from Surgical Face Masks. ACS APPLIED MATERIALS & INTERFACES 2021; 13:20606-20621. [PMID: 33896167 DOI: 10.1021/acsami.1c01740] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Disposable surgical face masks are usually used by medical/nurse staff but the current Covid-19 pandemic has caused their massive use by many people. Being worn closely attached to the people's face, they are continuously subjected to routine movements, i.e., facial expressions, breathing, and talking. These motional forces represent an unusual source of wasted mechanical energy that can be rather harvested by electromechanical transducers and exploited to power mask-integrated sensors. Typically, piezoelectric and triboelectric nanogenerators are exploited to this aim; however, most of the current devices are too thick or wide, not really conformable, and affected by humidity, which make them hardly embeddable in a mask, in contact with skin. Different from recent attempts to fabricate smart energy-harvesting cloth masks, in this work, a wearable energy harvester is rather enclosed in the mask and can be reused and not disposed. The device is a metal-free hybrid piezoelectric nanogenerator (hPENG) based on soft biocompatible materials. In particular, poly(vinylidene fluoride) (PVDF) membranes in the pure form and with a biobased plasticizer (cardanol oil, CA) are electrospun onto a laser-ablated polyimide flexible substrate attached on a skin-conformable elastomeric blend of poly(dimethylsiloxane) (PDMS) and Ecoflex. The multilayer structure of the device harnesses the piezoelectricity of the PVDF nanofibers and the friction triboelectric effects. The ultrasensitive mechanoelectrical transduction properties of the composite device are determined by the strong electrostatic behavior of the membranes and the plasticization effect of cardanol. In addition, encapsulation based on PVDF, PDMS, CA, and parylene C is used, allowing the hPENG to exhibit optimal reliability and resistance against the wet and warm atmosphere around the face mask. The proposed device reveals potential applications for the future development of smart masks with coupled energy-harvesting devices, allowing to use them not only for anti-infective protection but also to supply sensors or active antibacterial/viral devices.
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Affiliation(s)
- Massimo Mariello
- Center for Biomolecular Nanotechnologies, Istituto Italiano di Tecnologia, 73010 Arnesano (Lecce), Italy
- Dipartimento di Ingegneria dell'Innovazione, Università del Salento, 73100 Lecce, Italy
| | - Antonio Qualtieri
- Center for Biomolecular Nanotechnologies, Istituto Italiano di Tecnologia, 73010 Arnesano (Lecce), Italy
| | - Giuseppe Mele
- Dipartimento di Ingegneria dell'Innovazione, Università del Salento, 73100 Lecce, Italy
| | - Massimo De Vittorio
- Center for Biomolecular Nanotechnologies, Istituto Italiano di Tecnologia, 73010 Arnesano (Lecce), Italy
- Dipartimento di Ingegneria dell'Innovazione, Università del Salento, 73100 Lecce, Italy
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