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Lee MMS, Yu EY, Chau JHC, Lam JWY, Kwok RTK, Tang BZ. Expanding Our Horizons: AIE Materials in Bacterial Research. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2407707. [PMID: 39246197 DOI: 10.1002/adma.202407707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2024] [Revised: 08/11/2024] [Indexed: 09/10/2024]
Abstract
Bacteria share a longstanding and complex relationship with humans, playing a role in protecting gut health and sustaining the ecosystem to cause infectious diseases and antibiotic resistance. Luminogenic materials that share aggregation-induced emission (AIE) characteristics have emerged as a versatile toolbox for bacterial studies through fluorescence visualization. Numerous research efforts highlight the superiority of AIE materials in this field. Recent advances in AIE materials in bacterial studies are categorized into four areas: understanding bacterial interactions, antibacterial strategies, diverse applications, and synergistic applications with bacteria. Initial research focuses on visualizing the unseen bacteria and progresses into developing strategies involving electrostatic interactions, amphiphilic AIE luminogens (AIEgens), and various AIE materials to enhance bacterial affinity. Recent progress in antibacterial strategies includes using photodynamic and photothermal therapies, bacterial toxicity studies, and combined therapies. Diverse applications from environmental disinfection to disease treatment, utilizing AIE materials in antibacterial coatings, bacterial sensors, wound healing materials, etc., are also provided. Finally, synergistic applications combining AIE materials with bacteria to achieve enhanced outcomes are explored. This review summarizes the developmental trend of AIE materials in bacterial studies and is expected to provide future research directions in advancing bacterial methodologies.
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Affiliation(s)
- Michelle M S Lee
- Department of Chemistry, The Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction State Key Laboratory of Molecular Neuroscience, and Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, 999077, China
| | - Eric Y Yu
- Department of Chemistry, The Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction State Key Laboratory of Molecular Neuroscience, and Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, 999077, China
| | - Joe H C Chau
- Department of Chemistry, The Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction State Key Laboratory of Molecular Neuroscience, and Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, 999077, China
| | - Jacky W Y Lam
- Department of Chemistry, The Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction State Key Laboratory of Molecular Neuroscience, and Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, 999077, China
| | - Ryan T K Kwok
- Department of Chemistry, The Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction State Key Laboratory of Molecular Neuroscience, and Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, 999077, China
| | - Ben Zhong Tang
- Department of Chemistry, The Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction State Key Laboratory of Molecular Neuroscience, and Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, 999077, China
- School of Science and Engineering, Shenzhen Institute of Aggregate Science and Technology, The Chinese University of Hong Kong (CUHK-Shenzhen), Shenzhen, Guangdong, 518172, China
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2
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Hu L, Han H, Xu Z, Hou X, Wang F, Song K. Multimodal integrated and broadband light-driven antibacterial cellulose fabric based on π-π coupling enhanced intermolecular FRET. Int J Biol Macromol 2024; 277:134466. [PMID: 39209594 DOI: 10.1016/j.ijbiomac.2024.134466] [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: 06/05/2024] [Revised: 07/16/2024] [Accepted: 08/02/2024] [Indexed: 09/04/2024]
Abstract
Fabrication of antimicrobial photodynamic therapy (aPDT) materials based on organic photosensitizers has garnered considerable attention within functional textiles. However, the UV- or narrow-band absorption range of the photosensitizers results in poor photon utilization of the fabrics, limiting the photodynamic efficiency and wasting solar energy. In this study, a broadband light-driven antibacterial cellulose fabric (CF-ZnPc/NAD) was developed by loading carboxyl-modified zinc(II) phthalocyanine photosensitizer (CAZnPc) and cationic 1,8-naphthalimide fluorescent molecule (NAD) on the fabric via covalent binding and electrostatic adsorption assembly, facilitating the intermolecular π-π coupling and fluorescence resonance energy transfer (FRET) process. There is a 2.54-fold increase in photo-induced ROS generation capacity of CF-ZnPc/NAD via the FRET process compared to that of CF-ZnPc, and it also exhibited a strong photothermal effect (PTT), wherein the temperature of the fabric increased from 24.5 to 53.5 °C within 80 s of illumination (λ > 400 nm, 75 mW/cm2). CF-ZnPc/NAD exhibited strong light-harvesting capacity and a combination of aPDT and PTT, achieving excellent antibacterial performance against Staphylococcus aureus (Gram-positive, S. aureus) and Escherichia coli (Gram-negative, E.coli) with 99.99 % bacterial reduction under 90 min of illumination (λ > 400 nm, 10 ± 1 mW/cm2). This study demonstrates a novel and facile strategy for successfully fabricating high-performance antibacterial cellulose fabrics with potential biomedical prospects.
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Affiliation(s)
- Liu Hu
- Engineering Research Center for Eco-Dyeing and Finishing of Textiles, College of Textile Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, PR China; Key Laboratory of Intelligent Textile and Flexible Interconnection of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou 310018, PR China.
| | - Huayu Han
- Engineering Research Center for Eco-Dyeing and Finishing of Textiles, College of Textile Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, PR China
| | - Zihan Xu
- Engineering Research Center for Eco-Dyeing and Finishing of Textiles, College of Textile Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, PR China
| | - Xuebin Hou
- Engineering Research Center for Eco-Dyeing and Finishing of Textiles, College of Textile Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, PR China
| | - Fu Wang
- Engineering Research Center for Eco-Dyeing and Finishing of Textiles, College of Textile Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, PR China
| | - Kaili Song
- Engineering Research Center for Eco-Dyeing and Finishing of Textiles, College of Textile Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, PR China
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3
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Razaviamri F, Singh S, Manuel J, Zhang Z, Manchester LM, Heldt CL, Lee BP. Utilizing Rapid Hydrogen Peroxide Generation from 6-Hydroxycatechol to Design Moisture-Activated, Self-Disinfecting Coating. ACS APPLIED MATERIALS & INTERFACES 2024; 16:26998-27010. [PMID: 38748642 DOI: 10.1021/acsami.4c00213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2024]
Abstract
A coating that can be activated by moisture found in respiratory droplets could be a convenient and effective way to control the spread of airborne pathogens and reduce fomite transmission. Here, the ability of a novel 6-hydroxycatechol-containing polymer to function as a self-disinfecting coating on the surface of polypropylene (PP) fabric was explored. Catechol is the main adhesive molecule found in mussel adhesive proteins. Molecular oxygen found in an aqueous solution can oxidize catechol and generate a known disinfectant, hydrogen peroxide (H2O2), as a byproduct. However, given the limited amount of moisture found in respiratory droplets, there is a need to enhance the rate of catechol autoxidation to generate antipathogenic levels of H2O2. 6-Hydroxycatechol contains an electron donating hydroxyl group on the 6-position of the benzene ring, which makes catechol more susceptible to autoxidation. 6-Hydroxycatechol-coated PP generated over 3000 μM of H2O2 within 1 h when hydrated with a small amount of aqueous solution (100 μL of PBS). The generated H2O2 was three orders of magnitude higher when compared to the amount generated by unmodified catechol. 6-Hydroxycatechol-containing coating demonstrated a more effective antimicrobial effect against both Gram-positive (Staphylococcus aureus and Staphylococcus epidermidis) and Gram-negative (Pseudomonas aeruginosa and Escherichia coli) bacteria when compared to unmodified catechol. Similarly, the self-disinfecting coating reduced the infectivity of both bovine viral diarrhea virus and human coronavirus 229E by as much as a 2.5 log reduction value (a 99.7% reduction in viral load). Coatings containing unmodified catechol did not generate sufficient H2O2 to demonstrate significant virucidal effects. 6-Hydroxycatechol-containing coating can potentially function as a self-disinfecting coating that can be activated by the moisture present in respiratory droplets to generate H2O2 for disinfecting a broad range of pathogens.
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Affiliation(s)
- Fatemeh Razaviamri
- Department of Biomedical Engineering, Michigan Technological University, Houghton, Michigan 49931, United States
| | - Sneha Singh
- Department of Chemical Engineering, Michigan Technological University, Houghton, Michigan 49931, United States
| | - James Manuel
- Department of Biomedical Engineering, Michigan Technological University, Houghton, Michigan 49931, United States
| | - Zhongtian Zhang
- Department of Biomedical Engineering, Michigan Technological University, Houghton, Michigan 49931, United States
| | - Lynn M Manchester
- Department of Chemical Engineering, Michigan Technological University, Houghton, Michigan 49931, United States
| | - Caryn L Heldt
- Department of Chemical Engineering, Michigan Technological University, Houghton, Michigan 49931, United States
| | - Bruce P Lee
- Department of Biomedical Engineering, Michigan Technological University, Houghton, Michigan 49931, United States
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4
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Xia G, Lam Y, Fan S, Bian X, Qi P, Qiao Z, Ma K, Xin JH. Recent advances in cotton fabric-based photocatalytic composites for the degradation of organic contaminants. Carbohydr Polym 2024; 332:121872. [PMID: 38431388 DOI: 10.1016/j.carbpol.2024.121872] [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: 11/07/2023] [Revised: 01/02/2024] [Accepted: 01/24/2024] [Indexed: 03/05/2024]
Abstract
Cotton is one of the oldest and most widely used natural fibers in the world. It enables a wide range of applications due to its excellent moisture absorption, thermal insulation, heat resistance, and durability. Benefiting from current developments in textile technology and materials science, people are constantly seeking more comfortable, more beautiful and more versatile cotton fabrics. As the second skin of body, clothing not only provides the basic needs of wear but also increases the protection of body against different environmental stimuli. In this article, a comprehensive review is proposed regarding research activities of systematically summarise the development and research of cotton fabric-based photocatalytic composites for the degradation of organic contaminants in the area of self-cleaning, degradation of gaseous contaminants, pathogenic bacteria or viruses, and chemical warfare agents. Specifically, we begin with a brief exposition of the background and significance of cotton fabric-based photocatalytic composites. Next, a systematical review on cotton fabric-based photocatalytic composites is provided according to their mechanisms and advanced applications. Finally, a simple summary and analysis concludes the current limitations and future directions in these composites for the degradation of organic contaminants.
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Affiliation(s)
- Gang Xia
- Research Institute for Intelligent Wearable Systems, School of Fashion and Textiles, The Hong Kong Polytechnic University, Hung Hom, Hong Kong
| | - Yintung Lam
- Research Institute for Intelligent Wearable Systems, School of Fashion and Textiles, The Hong Kong Polytechnic University, Hung Hom, Hong Kong
| | - Suju Fan
- Research Institute for Intelligent Wearable Systems, School of Fashion and Textiles, The Hong Kong Polytechnic University, Hung Hom, Hong Kong
| | - Xueyan Bian
- Research Institute for Intelligent Wearable Systems, School of Fashion and Textiles, The Hong Kong Polytechnic University, Hung Hom, Hong Kong
| | - Peng Qi
- Research Institute for Intelligent Wearable Systems, School of Fashion and Textiles, The Hong Kong Polytechnic University, Hung Hom, Hong Kong
| | - Zhiwei Qiao
- Guangzhou Key Laboratory for New Energy and Green Catalysis, School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, China
| | - Kaikai Ma
- Research Institute for Intelligent Wearable Systems, School of Fashion and Textiles, The Hong Kong Polytechnic University, Hung Hom, Hong Kong.
| | - John H Xin
- Research Institute for Intelligent Wearable Systems, School of Fashion and Textiles, The Hong Kong Polytechnic University, Hung Hom, Hong Kong.
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5
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Wang Y, Zhao WB, Li FK, Chang SL, Cao Q, Guo R, Song SY, Liu KK, Shan CX. Engineering Sizable and Broad-Spectrum Antibacterial Fabrics through Hydrogen Bonding Interaction and Electrostatic Interaction. ACS APPLIED MATERIALS & INTERFACES 2024; 16:8321-8332. [PMID: 38330195 DOI: 10.1021/acsami.3c15754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/10/2024]
Abstract
Long-lasting and highly efficient antibacterial fabrics play a key role in public health occurrences caused by bacterial and viral infections. However, the production of antibacterial fabrics with a large size, highly efficient, and broad-spectrum antibacterial performance remains a great challenge due to the complex processes. Herein, we demonstrate sizable and highly efficient antibacterial fabrics through hydrogen bonding interaction and electrostatic interaction between surface groups of ZnO nanoparticles and fabric fibers. The production process can be carried out at room temperature and achieve a production rate of 300 × 1 m2 within 1 h. Under both visible light and dark conditions, the bactericidal rate against Gram-positive (S. aureus), Gram-negative (E. coli), and multidrug-resistant (MRSA) bacteria can reach an impressive 99.99%. Furthermore, the fabricated ZnO nanoparticle-decorated antibacterial fabrics (ZnO@fabric) show high stability and long-lasting antibacterial performance, making them easy to develop into variable antibacterial blocks for protection suits.
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Affiliation(s)
- Yong Wang
- Henan Key Laboratory of Diamond Optoelectronic Materials and Devices, Key Laboratory of Material Physics, Ministry of Education, School of Physics and Microelectronics, Zhengzhou University, Zhengzhou 450052, China
| | - Wen-Bo Zhao
- Henan Key Laboratory of Diamond Optoelectronic Materials and Devices, Key Laboratory of Material Physics, Ministry of Education, School of Physics and Microelectronics, Zhengzhou University, Zhengzhou 450052, China
| | - Fu-Kui Li
- Henan Key Laboratory of Diamond Optoelectronic Materials and Devices, Key Laboratory of Material Physics, Ministry of Education, School of Physics and Microelectronics, Zhengzhou University, Zhengzhou 450052, China
| | - Shu-Long Chang
- Henan Key Laboratory of Diamond Optoelectronic Materials and Devices, Key Laboratory of Material Physics, Ministry of Education, School of Physics and Microelectronics, Zhengzhou University, Zhengzhou 450052, China
| | - Qing Cao
- Henan Key Laboratory of Diamond Optoelectronic Materials and Devices, Key Laboratory of Material Physics, Ministry of Education, School of Physics and Microelectronics, Zhengzhou University, Zhengzhou 450052, China
| | - Rui Guo
- Henan Key Laboratory of Diamond Optoelectronic Materials and Devices, Key Laboratory of Material Physics, Ministry of Education, School of Physics and Microelectronics, Zhengzhou University, Zhengzhou 450052, China
| | - Shi-Yu Song
- Henan Key Laboratory of Diamond Optoelectronic Materials and Devices, Key Laboratory of Material Physics, Ministry of Education, School of Physics and Microelectronics, Zhengzhou University, Zhengzhou 450052, China
| | - Kai-Kai Liu
- Henan Key Laboratory of Diamond Optoelectronic Materials and Devices, Key Laboratory of Material Physics, Ministry of Education, School of Physics and Microelectronics, Zhengzhou University, Zhengzhou 450052, China
- Institute of Quantum Materials and Physics, Henan Academy of Sciences, Zhengzhou 450046, China
| | - Chong-Xin Shan
- Henan Key Laboratory of Diamond Optoelectronic Materials and Devices, Key Laboratory of Material Physics, Ministry of Education, School of Physics and Microelectronics, Zhengzhou University, Zhengzhou 450052, China
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6
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Haghighat Bayan MA, Rinoldi C, Rybak D, Zargarian SS, Zakrzewska A, Cegielska O, Põhako-Palu K, Zhang S, Stobnicka-Kupiec A, Górny RL, Nakielski P, Kogermann K, De Sio L, Ding B, Pierini F. Engineering surgical face masks with photothermal and photodynamic plasmonic nanostructures for enhancing filtration and on-demand pathogen eradication. Biomater Sci 2024; 12:949-963. [PMID: 38221844 DOI: 10.1039/d3bm01125a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2024]
Abstract
The shortage of face masks and the lack of antipathogenic functions has been significant since the recent pandemic's inception. Moreover, the disposal of an enormous number of contaminated face masks not only carries a significant environmental impact but also escalates the risk of cross-contamination. This study proposes a strategy to upgrade available surgical masks into antibacterial masks with enhanced particle and bacterial filtration. Plasmonic nanoparticles can provide photodynamic and photothermal functionalities for surgical masks. For this purpose, gold nanorods act as on-demand agents to eliminate pathogens on the surface of the masks upon near-infrared light irradiation. Additionally, the modified masks are furnished with polymer electrospun nanofibrous layers. These electrospun layers can enhance the particle and bacterial filtration efficiency, not at the cost of the pressure drop of the mask. Consequently, fabricating these prototype masks could be a practical approach to upgrading the available masks to alleviate the environmental toll of disposable face masks.
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Affiliation(s)
- Mohammad Ali Haghighat Bayan
- Department of Biosystems and Soft Matter, Institute of Fundamental Technological Research, Polish Academy of Sciences, Warsaw 02-106, Poland.
| | - Chiara Rinoldi
- Department of Biosystems and Soft Matter, Institute of Fundamental Technological Research, Polish Academy of Sciences, Warsaw 02-106, Poland.
| | - Daniel Rybak
- Department of Biosystems and Soft Matter, Institute of Fundamental Technological Research, Polish Academy of Sciences, Warsaw 02-106, Poland.
| | - Seyed Shahrooz Zargarian
- Department of Biosystems and Soft Matter, Institute of Fundamental Technological Research, Polish Academy of Sciences, Warsaw 02-106, Poland.
| | - Anna Zakrzewska
- Department of Biosystems and Soft Matter, Institute of Fundamental Technological Research, Polish Academy of Sciences, Warsaw 02-106, Poland.
| | - Olga Cegielska
- Laboratory of Polymers and Biomaterials, Institute of Fundamental Technological Research Polish Academy of Sciences, Warsaw 02-106, Poland
| | - Kaisa Põhako-Palu
- Institute of Pharmacy, Faculty of Medicine University of Tartu, Nooruse 1, 50411 Tartu, Estonia
| | - Shichao Zhang
- Innovation Center for Textile Science and Technology, College of Textiles, Donghua University, Shanghai 201620, China
| | - Agata Stobnicka-Kupiec
- Laboratory of Biohazards, Department of Chemical, Aerosol and Biological Hazards, Central Institute for Labour Protection - National Research Institute, Warsaw 00-701, Poland
| | - Rafał L Górny
- Laboratory of Biohazards, Department of Chemical, Aerosol and Biological Hazards, Central Institute for Labour Protection - National Research Institute, Warsaw 00-701, Poland
| | - Paweł Nakielski
- Department of Biosystems and Soft Matter, Institute of Fundamental Technological Research, Polish Academy of Sciences, Warsaw 02-106, Poland.
| | - Karin Kogermann
- Institute of Pharmacy, Faculty of Medicine University of Tartu, Nooruse 1, 50411 Tartu, Estonia
| | - Luciano De Sio
- Department of Medico-Surgical Sciences and Biotechnologies, Research Center for Biophotonics, Sapienza University of Rome, Latina 04100, Italy
| | - Bin Ding
- Innovation Center for Textile Science and Technology, College of Textiles, Donghua University, Shanghai 201620, China
| | - Filippo Pierini
- Department of Biosystems and Soft Matter, Institute of Fundamental Technological Research, Polish Academy of Sciences, Warsaw 02-106, Poland.
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He X, Shi P, Wu T, Yu B, Cong H, Shen Y. Preparation and Application of High-Efficiency, Antibacterial, and Antiviral PET-PTHP Fibers. ACS APPLIED MATERIALS & INTERFACES 2023; 15:48660-48672. [PMID: 37797239 DOI: 10.1021/acsami.3c10788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/07/2023]
Abstract
Transmission through the respiratory tract is one of the most important ways for bacteria and viruses to infect the human body; the use of high-performance antibacterial and antiviral protective equipment is the most effective way to prevent the spread of respiratory diseases. However, at present, most personal protective equipment lacks the ability to kill pathogens. In this paper, a kind of polytetrahydropyrimidine-polyethylene terephthalate functional fiber (PET-PTHP fibers) with highly sustained antibacterial and antiviral properties was prepared. The inactivation rate of the fibers against Staphylococcus aureus and Escherichia coli was as high as 99.99%, and the antibacterial time was more than 72 h. The fibers have an obvious destructive effect on lentiviruses and can reduce the infection rate of lentiviruses in BxPC-3 cells from 25.4 to 9.7%. The cytotoxicity test, cell live/dead staining test, and cell proliferation test all confirmed that PET-PTHP fibers have no obvious cytotoxicity and good cytocompatibility. By applying the functional fibers to the inner layer of the masks, a new type of mask with adsorption, filtration, and killing properties against pathogens was prepared. The filtration efficiency of the new masks was 99.3%, and the pressure drop was 104 Pa. The new masks have excellent air permeability and filtration effect, meet the practical application conditions, and are of grade A; therefore, these masks provide medical protection as well as kill pathogens at the same time, further reducing the risk of human infection.
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Affiliation(s)
- Xiangqiong He
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Institute of Biomedical Materials and Engineering, Qingdao University, Qingdao 266071, China
| | - Pengbao Shi
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Institute of Biomedical Materials and Engineering, Qingdao University, Qingdao 266071, China
| | - Taixia Wu
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Institute of Biomedical Materials and Engineering, Qingdao University, Qingdao 266071, China
| | - Bing Yu
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Institute of Biomedical Materials and Engineering, Qingdao University, Qingdao 266071, China
- State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266071, China
| | - Hailin Cong
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Institute of Biomedical Materials and Engineering, Qingdao University, Qingdao 266071, China
- State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266071, China
- School of Materials Science and Engineering, Shandong University of Technology, Zibo 255000, China
| | - Youqing Shen
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Institute of Biomedical Materials and Engineering, Qingdao University, Qingdao 266071, China
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, Center for Bionanoengineering, and Department of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
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Xue Y, Zhao Z, Huang W, Qiu Z, Li X, Zhao Y, Wang C, Cui R, Shen S, Tian H, Fang L, Zhou R, Zhu B. Highly active nanoparticle enhanced rapid adsorption-killing mechanism to combat multidrug-resistant bacteria. J Mater Chem B 2023; 11:7750-7765. [PMID: 37475586 DOI: 10.1039/d3tb01105d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/22/2023]
Abstract
Contact-killing surfaces with the ability to rapidly adsorb and kill microorganisms are desperately needed since the rapid outbreak of multidrug-resistant (MDR) bacteria poses a serious threat to human health. Therefore, a series of amphiphilic nanoengineered polyquaterniums (ANPQs) were synthesized, and immobilizing ANPQs onto equipment surfaces provided a simple method for preventing microbial infections. The strong charge-positive property of ANPQ offered the possibility of rapid adsorption and efficient killing, such that all bacteria are adsorbed after 10 seconds of contact with ANPQ-treated fabrics, and more than 99.99% of pathogens are killed within 30 seconds. Surprisingly, the adsorption-killing mechanism made it difficult for bacteria to develop resistance to ANPQ coating, even after long-term repeated treatment. Importantly, in a Methicillin-resistant Staphylococcus aureus infection model, ANPQ-treated fabrics exhibited a potent anti-infectious performance while remaining nontoxic. It is envisaged that the strategy of using ANPQ coating undoubtedly provides a promising candidate for fighting MDR strains.
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Affiliation(s)
- Yunyun Xue
- Department of Polymer Science and Engineering, ERC of Membrane and Water Treatment (MOE), Key Laboratory of Macromolecular Synthesis and Functionalization (MOE), Zhejiang University, Hangzhou, 310027, China.
- Center of Healthcare Materials, Shaoxing Institute, Zhejiang University, Shaoxing, 312000, China.
| | - Zihao Zhao
- Department of Polymer Science and Engineering, ERC of Membrane and Water Treatment (MOE), Key Laboratory of Macromolecular Synthesis and Functionalization (MOE), Zhejiang University, Hangzhou, 310027, China.
- Center of Healthcare Materials, Shaoxing Institute, Zhejiang University, Shaoxing, 312000, China.
| | - Wenbo Huang
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou 510182, China.
| | - Zelin Qiu
- Department of Polymer Science and Engineering, ERC of Membrane and Water Treatment (MOE), Key Laboratory of Macromolecular Synthesis and Functionalization (MOE), Zhejiang University, Hangzhou, 310027, China.
| | - Xiao Li
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou 510182, China.
| | - Yu Zhao
- Department of Polymer Science and Engineering, ERC of Membrane and Water Treatment (MOE), Key Laboratory of Macromolecular Synthesis and Functionalization (MOE), Zhejiang University, Hangzhou, 310027, China.
| | - Chuyao Wang
- Department of Polymer Science and Engineering, ERC of Membrane and Water Treatment (MOE), Key Laboratory of Macromolecular Synthesis and Functionalization (MOE), Zhejiang University, Hangzhou, 310027, China.
| | - Ronglu Cui
- Department of Polymer Science and Engineering, ERC of Membrane and Water Treatment (MOE), Key Laboratory of Macromolecular Synthesis and Functionalization (MOE), Zhejiang University, Hangzhou, 310027, China.
| | - Shuyang Shen
- Department of Polymer Science and Engineering, ERC of Membrane and Water Treatment (MOE), Key Laboratory of Macromolecular Synthesis and Functionalization (MOE), Zhejiang University, Hangzhou, 310027, China.
| | - Hua Tian
- Department of Polymer Science and Engineering, ERC of Membrane and Water Treatment (MOE), Key Laboratory of Macromolecular Synthesis and Functionalization (MOE), Zhejiang University, Hangzhou, 310027, China.
| | - Lifeng Fang
- Department of Polymer Science and Engineering, ERC of Membrane and Water Treatment (MOE), Key Laboratory of Macromolecular Synthesis and Functionalization (MOE), Zhejiang University, Hangzhou, 310027, China.
| | - Rong Zhou
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou 510182, China.
- Guangzhou Laboratory, Guangzhou 510182, China
| | - Baoku Zhu
- Department of Polymer Science and Engineering, ERC of Membrane and Water Treatment (MOE), Key Laboratory of Macromolecular Synthesis and Functionalization (MOE), Zhejiang University, Hangzhou, 310027, China.
- Center of Healthcare Materials, Shaoxing Institute, Zhejiang University, Shaoxing, 312000, China.
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9
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Shen Z, Zhu W, Huang Y, Zhang J, Wu Y, Pan Y, Yang G, Wang D, Li Y, Tang BZ. Visual Multifunctional Aggregation-Induced Emission-Based Bacterial Cellulose for Killing of Multidrug-Resistant Bacteria. Adv Healthc Mater 2023; 12:e2300045. [PMID: 37042250 DOI: 10.1002/adhm.202300045] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 03/18/2023] [Indexed: 04/13/2023]
Abstract
Multidrug-resistant (MDR) bacteria-related wound infections are a thorny issue. It is urgent to develop new antibacterial wound dressings that can not only prevent wounds from MDR bacteria infection but also promote wound healing. Herein, an aggregation-induced emission (AIE) molecule BITT-composited bacterial cellulose (BC) is presented as wound dressings. BC-BITT composites have good transparency, making it easy to monitor the wound healing process through the composite membrane. The BC-BITT composites retain the advantages of biocompatible BC, and display photodynamic and photothermal synergistic antibacterial effects under irradiation of a 660 nm laser. Furthermore, the BC-BITT composites show excellent wound healing performance in a mouse full-thickness skin wound model infected by MDR bacteria, simultaneously with negligible toxicity. This work paves a way for treating clinically troublesome wound infections.
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Affiliation(s)
- Zipeng Shen
- Center for AIE Research, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Wei Zhu
- Key Laboratory of Advanced Textile Materials and Manufacturing Technology and Engineering Research Center for Eco-Dyeing and Finishing of Textiles, Ministry of Education, Zhejiang Provincial Engineering Research Center for Green and Low-carbon Dyeing and Finishing, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Yajia Huang
- CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Jiangjiang Zhang
- Department of Biomedical Engineering, Southern University of Science and Technology Shenzhen, Guangdong, 518055, China
| | - Yifan Wu
- Center for AIE Research, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Yinzhen Pan
- Center for AIE Research, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Guang Yang
- Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Dong Wang
- Center for AIE Research, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Ying Li
- Center for AIE Research, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
- Innovation Research Center for AIE Pharmaceutical Biology, Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target and Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Ben Zhong Tang
- Shenzhen Institute of Molecular Aggregate Science and Engineering, School of Science and Engineering, The Chinese University of Hong Kong, Shenzhen, 518172, China
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10
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Zhang F, Lin J, Yang M, Wang Y, Ye Z, He J, Shen J, Zhou X, Guo Z, Zhang Y, Wang B. High-breathable, antimicrobial and water-repellent face mask for breath monitoring. CHEMICAL ENGINEERING JOURNAL (LAUSANNE, SWITZERLAND : 1996) 2023; 466:143150. [PMID: 37138814 PMCID: PMC10122566 DOI: 10.1016/j.cej.2023.143150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 04/03/2023] [Accepted: 04/21/2023] [Indexed: 05/05/2023]
Abstract
Face masks with multiple functionalities and exceptional durability have attracted increasing interests during the COVID-19 pandemic. How to integrate the antibacterial property, comfortability during long-time wearing, and breath monitoring capability together on a face mask is still challenging. Here we developed a kind of face mask that assembles the particles-free water-repellent fabric, antibacterial fabric, and hidden breath monitoring device together, resulting in the highly breathable, water-repellent, and antibacterial face mask with breath monitoring capability. Based on the rational design of the functional layers, the mask shows exceptional repellency to micro-fogs generated during breathing while maintaining high air permeability and inhibiting the passage of bacteria-containing aerogel. More importantly, the multi-functional mask can also monitor the breath condition in a wireless and real-time fashion, and collect the breath information for epidemiological analysis. The resultant mask paves the way to develop multi-functional breath-monitoring masks that can aid the prevention of the secondary transmission of bacteria and viruses while preventing potential discomfort and face skin allergy during long-period wearing.
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Affiliation(s)
- Fangfei Zhang
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518055, China
| | - Junzhu Lin
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518055, China
| | - Mingwan Yang
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518055, China
| | - Yun Wang
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518055, China
| | - Zhicheng Ye
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518055, China
| | - Jiajun He
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518055, China
| | - Jie Shen
- Shenzhen Key Laboratory of Spine Surgery, Department of Spine Surgery, Peking University Shenzhen Hospital, Shenzhen, China
| | - Xuechang Zhou
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518055, China
| | - Zhiguang Guo
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials and Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei University, Wuhan 430062, China
| | - Yabin Zhang
- State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures, MOE Key Laboratory of New Processing Technology for Nonferrous Metals and Materials, and School of Resources, Environment and Materials, Guangxi University, Nanning 530004, China
| | - Ben Wang
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518055, China
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11
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Fu J, Liu T, Binte Touhid SS, Fu F, Liu X. Functional Textile Materials for Blocking COVID-19 Transmission. ACS NANO 2023; 17:1739-1763. [PMID: 36683285 PMCID: PMC9885531 DOI: 10.1021/acsnano.2c08894] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 01/17/2023] [Indexed: 06/17/2023]
Abstract
The outbreak of COVID-19 provided a warning sign for society worldwide: that is, we urgently need to explore effective strategies for combating unpredictable viral pandemics. Protective textiles such as surgery masks have played an important role in the mitigation of the COVID-19 pandemic, while revealing serious challenges in terms of supply, cross-infection risk, and environmental pollution. In this context, textiles with an antivirus functionality have attracted increasing attention, and many innovative proposals with exciting commercial possibilities have been reported over the past three years. In this review, we illustrate the progress of textile filtration for pandemics and summarize the recent development of antiviral textiles for personal protective purposes by cataloging them into three classes: metal-based, carbon-based, and polymer-based materials. We focused on the preparation routes of emerging antiviral textiles, providing a forward-looking perspective on their opportunities and challenges, to evaluate their efficacy, scale up their manufacturing processes, and expand their high-volume applications. Based on this review, we conclude that ideal antiviral textiles are characterized by a high filtration efficiency, reliable antiviral effect, long storage life, and recyclability. The expected manufacturing processes should be economically feasible, scalable, and quickly responsive.
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Affiliation(s)
- Jiajia Fu
- School of Materials Science and Engineering,
Zhejiang Sci-Tech University, Xiasha Higher Education Zone,
Hangzhou310018, People’s Republic of China
| | - Tianxing Liu
- Department of Cell and Systems Biology,
University of Toronto, Toronto, OntarioM5S1A1,
Canada
| | - S Salvia Binte Touhid
- School of Materials Science and Engineering,
Zhejiang Sci-Tech University, Xiasha Higher Education Zone,
Hangzhou310018, People’s Republic of China
| | - Feiya Fu
- School of Materials Science and Engineering,
Zhejiang Sci-Tech University, Xiasha Higher Education Zone,
Hangzhou310018, People’s Republic of China
| | - Xiangdong Liu
- School of Materials Science and Engineering,
Zhejiang Sci-Tech University, Xiasha Higher Education Zone,
Hangzhou310018, People’s Republic of China
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12
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Yang L, Zhang Y, Hu X, Shiu BC, Lou CW, Lin JH, Li TT. Photodynamic Rechargeable Nanofibrous Membranes with High-Efficient Antibacterial/Antiviral Properties for Medical Protection. J IND ENG CHEM 2023. [DOI: 10.1016/j.jiec.2022.12.048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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13
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Liu W, Sun Y, Cui A, Xia Y, Yan Q, Song Y, Wang L, Shan G, Wang X. Electrothermal sterilization and self-powered real-time respiratory monitoring of reusable mask based on Ag micro-mesh films. NANO ENERGY 2023; 105:107987. [PMID: 36373076 PMCID: PMC9636608 DOI: 10.1016/j.nanoen.2022.107987] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 10/21/2022] [Accepted: 11/04/2022] [Indexed: 05/21/2023]
Abstract
Since the COVID-19 pandemic outbreaks, the utilization of medical masks plays a critical role in reducing the infected risk. However, constructing multifunctional masks to achieve simultaneously self-sterilization, reusability, and respiratory monitoring capability remains still a huge challenge. Herein, a reusable Ag micro-mesh film-based mask is proposed, which enables the capabilities of electrothermal sterilization and self-powered real-time respiratory monitoring. Highly conductive Ag micro-mesh films prepared by continuous draw spinning method demonstrate excellent electrothermal performances for thermal sterilization and serve as working electrode to fabricate triboelectric nanogenerator (TENG) for real-time respiratory monitoring, respectively. Under a low driving voltage of 3.0 V, the surface temperature of Ag micro-mesh film enables a quick increase to over 60 °C within 30 s, which endows thermal sterilization against S. aureus with antibacterial efficiency of 95.58 % within 20 min to achieve the self-sterilization of medical masks. Furthermore, a self-powered alarm system based on the fabricated TENG as respiratory monitor is developed for real-time respiratory monitoring to render a timely treatment for patients in danger of tachypnea and apnea. Consequently, this work has paved a new and practical avenue to achieve reusable multifunctional masks with capabilities of electrothermal sterilization and real-time respiratory monitoring in clinical medicine.
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Affiliation(s)
- Wenquan Liu
- Centre for Advanced Optoelectronic Functional Materials Research and Key Laboratory for UV Light-Emitting Materials and Technology of the Ministry of Education, Northeast Normal University, Changchun 130024, China
| | - Yu Sun
- Centre for Advanced Optoelectronic Functional Materials Research and Key Laboratory for UV Light-Emitting Materials and Technology of the Ministry of Education, Northeast Normal University, Changchun 130024, China
| | - Anni Cui
- Centre for Advanced Optoelectronic Functional Materials Research and Key Laboratory for UV Light-Emitting Materials and Technology of the Ministry of Education, Northeast Normal University, Changchun 130024, China
| | - Yifan Xia
- Henan Key Lab for Photovoltaic Materials, Henan University, Kaifeng 475004, China
| | - Qiuzhu Yan
- Centre for Advanced Optoelectronic Functional Materials Research and Key Laboratory for UV Light-Emitting Materials and Technology of the Ministry of Education, Northeast Normal University, Changchun 130024, China
| | - Yongxin Song
- Centre for Advanced Optoelectronic Functional Materials Research and Key Laboratory for UV Light-Emitting Materials and Technology of the Ministry of Education, Northeast Normal University, Changchun 130024, China
| | - Liangliang Wang
- Henan Key Lab for Photovoltaic Materials, Henan University, Kaifeng 475004, China
| | - Guiye Shan
- Centre for Advanced Optoelectronic Functional Materials Research and Key Laboratory for UV Light-Emitting Materials and Technology of the Ministry of Education, Northeast Normal University, Changchun 130024, China
| | - Xin Wang
- Henan Key Lab for Photovoltaic Materials, Henan University, Kaifeng 475004, China
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14
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Li L, Xin Y, Wu F, Lyu X, Yao Q, Yin X, Zhang Q, Shan W, Chen Y, Han Q. A Polysiloxane Delivery Vehicle of Cyclic N-Halamine for Biocidal Coating of Cellulose in Supercritical CO 2. Polymers (Basel) 2022; 14:polym14235080. [PMID: 36501474 PMCID: PMC9739799 DOI: 10.3390/polym14235080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Revised: 11/16/2022] [Accepted: 11/22/2022] [Indexed: 11/25/2022] Open
Abstract
Cyclic N-halamines are highly antimicrobial, very stable, and not susceptible to bacterial resistance. A polysiloxane delivery vehicle was synthesized to deliver cyclic imide N-halamine onto cellulose via a benign and universal procedure that does not require a harmful solvent or chemical bonding. In brief, Knoevenagel condensation between barbituric acid and 4-hydroxybenzaldehyde furnished 5-(4-hydroxybenzylidene)pyrimidine-2,4,6-trione, whose phenolic O-H was subsequently reacted with the Si-H of poly(methylhydrosiloxane) (PMHS) via silane alcoholysis. The product of silane alcoholysis was interpenetrated into cellulose in supercritical CO2 (scCO2) at 50 °C, to form a continuous modification layer. The thickness of the modification layer positively correlated with interpenetration pressure in the experimental range of 10 to 28 MPa and reached a maximum value of 76.5 nm, which demonstrates the ability for tunable delivery, to control the loading of the imide N-H bond originating from barbituric acid unit. The imide N-H bonds on cellulose with the thickest modifier were then chlorinated into N-Cl counterparts using tert-butyl hypochlorite, to exert a powerful biocidability, providing ~7 log reductions of both S. aureus and E. coli in 20 min. The stability and rechargeability of the biocidability were both very promising, suggesting that the polysiloxane modifier has a satisfactory chemical structure and interlocks firmly with cellulose via scCO2 interpenetration.
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Affiliation(s)
- Leixuan Li
- Department of Applied Chemistry, College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Yan Xin
- Department of Applied Chemistry, College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Fengze Wu
- Department of Applied Chemistry, College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Xiangrong Lyu
- Department of Applied Chemistry, College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Qiyuan Yao
- Department of Applied Chemistry, College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Xiaoting Yin
- Department of Applied Chemistry, College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Qiang Zhang
- Analytical and Testing Center, School of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Wenjuan Shan
- College of Chemistry and Chemical Engineering, Liaoning Normal University, 850 Huanghe Road, Dalian 116029, China
| | - Yong Chen
- Department of Applied Chemistry, College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China
- Correspondence: (Y.C.); (Q.H.)
| | - Qiuxia Han
- Department of Biological Engineering, College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China
- Correspondence: (Y.C.); (Q.H.)
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15
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Dhabarde N, Khaiboullina S, Uppal T, Adhikari K, Verma SC, Subramanian VR. Inactivation of SARS-CoV-2 and Other Human Coronaviruses Aided by Photocatalytic One-Dimensional Titania Nanotube Films as a Self-Disinfecting Surface. ACS APPLIED MATERIALS & INTERFACES 2022; 14:50463-50474. [PMID: 36335476 DOI: 10.1021/acsami.2c03226] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
SARS-CoV-2 and its variants that continue to emerge have necessitated the implementation of effective disinfection strategies. Developing self-disinfecting surfaces can be a potential route for reducing fomite transmissions of infectious viruses. We show the effectiveness of TiO2 nanotubes (T_NTs) on photocatalytic inactivation of human coronavirus, HCoV-OC43, as well as SARS-CoV-2. T_NTs were synthesized by the anodization process, and their impact on photocatalytic inactivation was evaluated by the detection of residual viral genome copies (quantitative real-time quantitative reverse transcription polymerase chain reaction) and infectious viruses (infectivity assays). T_NTs with different structural morphologies, wall thicknesses, diameters, and lengths were prepared by varying the time and applied potential during anodization. The virucidal efficacy was tested under different UV-C exposure times to understand the photocatalytic reaction's kinetics. We showed that the T_NT presence boosts the inactivation process and demonstrated complete inactivation of SARS-CoV-2 as well as HCoV-OC43 within 30 s of UV-C illumination. The remarkable cyclic stability of these T_NTs was revealed through a reusability experiment. The spectroscopic and electrochemical analyses have been reported to correlate and quantify the effects of the physical features of T_NT with photoactivity. We anticipate that the proposed one-dimensional T_NT will be applicable for studying the surface inactivation of other coronaviruses including SARS-CoV-2 variants due to similarities in their genomic structure.
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Affiliation(s)
- Nikhil Dhabarde
- Chemical and Materials Engineering Department, University of Nevada, LME 309, MS 388, Reno, Nevada 89557, United States
| | - Svetlana Khaiboullina
- Department of Microbiology and Immunology, University of Nevada, Reno School of Medicine, 1664 N Virginia Street, Reno, Nevada 89557, United States
| | - Timsy Uppal
- Department of Microbiology and Immunology, University of Nevada, Reno School of Medicine, 1664 N Virginia Street, Reno, Nevada 89557, United States
| | - Kabita Adhikari
- Department of Microbiology and Immunology, University of Nevada, Reno School of Medicine, 1664 N Virginia Street, Reno, Nevada 89557, United States
| | - Subhash C Verma
- Department of Microbiology and Immunology, University of Nevada, Reno School of Medicine, 1664 N Virginia Street, Reno, Nevada 89557, United States
| | - Vaidyanathan Ravi Subramanian
- Chemical and Materials Engineering Department, University of Nevada, LME 309, MS 388, Reno, Nevada 89557, United States
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16
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Mahdy NK, El-Sayed M, Al-Mofty SED, Mohamed A, Karaly AH, El-Naggar ME, Nageh H, Sarhan WA, El-Said Azzazy HM. Toward Scaling up the Production of Metal Oxide Nanoparticles for Application on Washable Antimicrobial Cotton Fabrics. ACS OMEGA 2022; 7:38942-38956. [PMID: 36340154 PMCID: PMC9631402 DOI: 10.1021/acsomega.2c04692] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 09/29/2022] [Indexed: 05/03/2023]
Abstract
To examine the utilization of metal oxide nanoparticles (NPs) in different commercial products, this work focuses on the determination of cost-effective and scalable synthesis protocols. The solvothermal protocol is well-known as a scalable method but has recently been shown to lack economic feasibility. The mechanochemical method has recently been recognized to be a more economic and environmentally friendly substitute for the solvothermal method. In this study, zinc oxide nanoparticles (ZnO NPs) and copper oxide nanoparticles (CuO NPs) were synthesized using two (aqueous and organic) solvothermal (wet) methods and two (manual and automated) mechanochemical (dry) methods. The four methods were evaluated and compared. The automated mechanochemical method generated a significantly higher yield of ZnO NPs (82%) and CuO NPs (84%) using the least energy and time. However, the prepared ZnO NPs displayed higher cytotoxicity against Vero E6 cells when compared to that of CuO NPs. Because of their low cytotoxicity, CuO NPs synthesized via the automated mechanochemical method were selected for application onto cotton fabrics. Lower cytotoxicity was observed for CuO NPs treated fabrics with an IC50 of 562 mg/mL and ZnO treated fabrics with an IC50 at 23.93 mg/mL when the treated fabrics were tested against L929 fibroblast cells. Additionally, the cotton fabrics retained bactericidal and virucidal effects after four washes. Thus, the current study recommends the automated mechanochemical method as a cost-effective scalable approach for the synthesis of CuO NPs. The application of CuO NPs onto cotton fabrics generated washable antimicrobial face masks.
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Affiliation(s)
- Noha Khalil Mahdy
- Department
of Chemistry, School of Sciences & Engineering, The American University in Cairo, AUC Avenue, New Cairo11835, Egypt
| | - Mousa El-Sayed
- Department
of Chemistry, School of Sciences & Engineering, The American University in Cairo, AUC Avenue, New Cairo11835, Egypt
| | - Saif El-Din Al-Mofty
- Department
of Chemistry, School of Sciences & Engineering, The American University in Cairo, AUC Avenue, New Cairo11835, Egypt
| | - Abdalla Mohamed
- Department
of Chemistry, School of Sciences & Engineering, The American University in Cairo, AUC Avenue, New Cairo11835, Egypt
| | - Ali H. Karaly
- Department
of Chemistry, School of Sciences & Engineering, The American University in Cairo, AUC Avenue, New Cairo11835, Egypt
| | - Mehrez E. El-Naggar
- Institute
of Textile Research and Technology, National
Research Centre, El behouth
Street, Dokki, Giza12622, Egypt
| | - Hassan Nageh
- Nanotechnology
Research Center (NTRC), The British University
in Egypt, El-Shorouk City,
Suez Desert Road, P.O. Box 43, Cairo11837, Egypt
| | - Wessam A. Sarhan
- Department
of Chemistry, School of Sciences & Engineering, The American University in Cairo, AUC Avenue, New Cairo11835, Egypt
| | - Hassan Mohamed El-Said Azzazy
- Department
of Chemistry, School of Sciences & Engineering, The American University in Cairo, AUC Avenue, New Cairo11835, Egypt
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17
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Su Q, Huang Y, Wei Z, Zhu C, Zeng W, Wang S, Long S, Zhang G, Yang J, Wang X. A novel multi-gradient PASS nanofibrous membranes with outstanding particulate matter removal efficiency and excellent antimicrobial property. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.122652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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18
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Ren Q, Yu N, Zou P, He Q, Macharia DK, Sheng Y, Zhu B, Lin Y, Wu G, Chen Z. Reusable Cu 2-xS-modified masks with infrared lamp-driven antibacterial and antiviral activity for real-time personal protection. CHEMICAL ENGINEERING JOURNAL (LAUSANNE, SWITZERLAND : 1996) 2022; 441:136043. [PMID: 35370448 PMCID: PMC8956354 DOI: 10.1016/j.cej.2022.136043] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 03/22/2022] [Accepted: 03/24/2022] [Indexed: 06/14/2023]
Abstract
Disposable surgical masks are widely used by the general public since the onset of the coronavirus outbreak in 2019. However, current surgical masks cannot self-sterilize for reuse or recycling for other purposes, resulting in high economic and environmental costs. To solve these issue, herein we report a novel low-cost surgical mask decorated with copper sulfide (Cu2-xS) nanocrystals for photothermal sterilization in a short time (6 min). With the spun-bonded nonwoven fabrics (SNF) layer from surgical masks as the substrate, Cu2-xS nanocrystals are in-situ grown on their surface with the help of a commercial textile adhesion promoter. The SNF-Cu2-xS layer possesses good hydrophobicity and strong near infrared absorption. Under the irradiation with an infrared baking lamp (IR lamp, 50 mW cm-2), the surface temperature of SNF-Cu2-xS layer on masks can quickly increase to over 78 °C, resulting from the high photothermal effects of Cu2-xS nanocrystals. As a result, the polluted masks exhibit an outstanding antibacterial rate of 99.9999% and 85.4% for the Escherichia coli (E.coli) and Staphylococcus aureus (S. aureus) as well as the inactivation of human coronavirus OC43 (3.18-log10 decay) and influenza A virus A/PR/8/34 (H1N1) (3.93-log10 decay) after 6 min irradiation, and achieve rapid sterilization for reuse and recycling. Therefore, such Cu2-xS-modified masks with IR lamp-driven antibacterial and antiviral activity have great potential for real-time personal protection.
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Affiliation(s)
- Qian Ren
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Nuo Yu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Peng Zou
- Scientific Research Center, Shanghai Public Health Clinical Center, Fudan University, Shanghai 201508, China
| | - Qiang He
- Scientific Research Center, Shanghai Public Health Clinical Center, Fudan University, Shanghai 201508, China
| | - Daniel K Macharia
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Yangyi Sheng
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Bo Zhu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Ying Lin
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China
| | - Guoyi Wu
- Scientific Research Center, Shanghai Public Health Clinical Center, Fudan University, Shanghai 201508, China
| | - Zhigang Chen
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
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19
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Jeong SB, Lee DU, Lee BJ, Heo KJ, Kim DW, Hwang GB, MacRobert AJ, Shin JH, Ko HS, Park SK, Oh YS, Kim SJ, Lee DY, Lee SB, Park I, Kim SB, Han B, Jung JH, Choi DY. Photobiocidal-triboelectric nanolayer coating of photosensitizer/silica-alumina for reusable and visible-light-driven antibacterial/antiviral air filters. CHEMICAL ENGINEERING JOURNAL (LAUSANNE, SWITZERLAND : 1996) 2022; 440:135830. [PMID: 35313452 PMCID: PMC8926436 DOI: 10.1016/j.cej.2022.135830] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Revised: 02/25/2022] [Accepted: 03/13/2022] [Indexed: 06/14/2023]
Abstract
Outbreaks of airborne pathogens pose a major threat to public health. Here we present a single-step nanocoating process to endow commercial face mask filters with photobiocidal activity, triboelectric filtration capability, and washability. These functions were successfully achieved with a composite nanolayer of silica-alumina (Si-Al) sol-gel, crystal violet (CV) photosensitizer, and hydrophobic electronegative molecules of 1H, 1H, 2H, 2H-perfluorooctyltriethoxysilane (PFOTES). The transparent Si-Al matrix strongly immobilized the photosensitizer molecules while dispersing them spatially, thus suppressing self-quenching. During nanolayer formation, PFOTES was anisotropically rearranged on the Si-Al matrix, promoting moisture resistance and triboelectric charging of the Si-Al/PFOTES-CV (SAPC)-coated filter. The SAPC nanolayer stabilized the photoexcited state of the photosensitizer and promoted redox reaction. Compared to pure-photosensitizer-coated filters, the SAPC filter showed substantially higher photobiocidal efficiency (∼99.99 % for bacteria and a virus) and photodurability (∼83 % reduction in bactericidal efficiency for the pure-photosensitizer filter but ∼0.34 % for the SAPC filter after 72 h of light irradiation). Moreover, after five washes with detergent, the SAPC filter maintained its photobiocidal and filtration performance, proving its reusability potential. Therefore, this SAPC nanolayer coating provides a practical strategy for manufacturing an antimicrobial and reusable mask filter for use during the ongoing COVID-19 pandemic.
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Affiliation(s)
- Sang Bin Jeong
- Department of Mechanical Engineering, Sejong University, Seoul 05006, Republic of Korea
- Center for Environment, Health and Welfare Research, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
| | - Dong Uk Lee
- Department of Industrial Chemistry, Pukyong National University, Busan 48513, Republic of Korea
- Biomedical Manufacturing Technology Center, Korea Institute of Industrial Technology, Yeongcheon 38822, Republic of Korea
| | - Byeong Jin Lee
- Biomedical Manufacturing Technology Center, Korea Institute of Industrial Technology, Yeongcheon 38822, Republic of Korea
- School of Mechanical Engineering, Andong National University, Andong 36729, Republic of Korea
| | - Ki Joon Heo
- Material Chemistry Research Centre, Department of Chemistry, University College London, London WC1H 0AJ, United Kingdom
| | - Dong Won Kim
- Research Institute for Green Energy Convergence Technology, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Gi Byoung Hwang
- Material Chemistry Research Centre, Department of Chemistry, University College London, London WC1H 0AJ, United Kingdom
| | - Alexander J MacRobert
- UCL Division of Surgery and Interventional Science, Royal Free Campus, London NW3 2PF, United Kingdom
| | - Jae Hak Shin
- Department of Mechanical Engineering, Sejong University, Seoul 05006, Republic of Korea
| | - Hyun Sik Ko
- Department of Mechanical Engineering, Sejong University, Seoul 05006, Republic of Korea
| | - Se Kye Park
- Biomedical Manufacturing Technology Center, Korea Institute of Industrial Technology, Yeongcheon 38822, Republic of Korea
- Department of Polymer Science and Engineering, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Yong Suk Oh
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Daejeon 34141, Republic of Korea
| | - See Jo Kim
- School of Mechanical Engineering, Andong National University, Andong 36729, Republic of Korea
| | - Dong Yun Lee
- Department of Polymer Science and Engineering, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Seung-Bok Lee
- Center for Environment, Health and Welfare Research, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
| | - Inyong Park
- Department of Environmental Machinery, Korea Institute of Machinery and Materials, Daejeon 34103, Republic of Korea
| | - Sang Bok Kim
- Department of Environmental Machinery, Korea Institute of Machinery and Materials, Daejeon 34103, Republic of Korea
| | - Bangwoo Han
- Department of Environmental Machinery, Korea Institute of Machinery and Materials, Daejeon 34103, Republic of Korea
| | - Jae Hee Jung
- Department of Mechanical Engineering, Sejong University, Seoul 05006, Republic of Korea
| | - Dong Yun Choi
- Biomedical Manufacturing Technology Center, Korea Institute of Industrial Technology, Yeongcheon 38822, Republic of Korea
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20
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Wang X, Ma K, Goh T, Mian MR, Xie H, Mao H, Duan J, Kirlikovali KO, Stone AEBS, Ray D, Wasielewski MR, Gagliardi L, Farha OK. Photocatalytic Biocidal Coatings Featuring Zr 6Ti 4-Based Metal-Organic Frameworks. J Am Chem Soc 2022; 144:12192-12201. [PMID: 35786901 DOI: 10.1021/jacs.2c03060] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
The world is currently suffering socially, economically, and politically from the recent pandemic outbreak due to the coronavirus disease 2019 (COVID-19), and those in hospitals, schools, and elderly nursing homes face enhanced threats. Healthcare textiles, such as masks and medical staff gowns, are susceptible to contamination of various pathogenic microorganisms, including bacteria and viruses. Metal-organic frameworks (MOFs) can potentially address these challenges due to their tunable reactivity and ability to be incorporated as porous coatings on textile materials. Here, we report how incorporating titanium into the zirconium-pyrene-based MOF NU-1000, denoted as NU-1012, generates a highly reactive biocidal photocatalyst. This MOF features a rare ligand migration phenomenon, and both the Ti/Zr center and the pyrene linker act synergistically as dual active centers and widen the absorption band for this material, which results in enhanced reactive oxygen species generation upon visible light irradiation. Additionally, we found that the ligand migration process is generally applicable to other csq topology Zr-MOFs. Importantly, NU-1012 can be easily incorporated onto cotton textile cloths as a coating, and the resulting composite material demonstrates fast and potent biocidal activity against Gram-negative bacteria (Escherichia coli), Gram-positive bacteria (Staphylococcus epidermidis), and T7 bacteriophage virus with up to a 7-log(99.99999%) reduction within 1 h under simulated daylight.
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Affiliation(s)
- Xingjie Wang
- International Institute for Nanotechnology, Institute for Sustainability and Energy at Northwestern, and Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Kaikai Ma
- International Institute for Nanotechnology, Institute for Sustainability and Energy at Northwestern, and Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Teffanie Goh
- Department of Chemistry, Pritzker School of Molecular Engineering, James Franck Institute, University of Chicago, 5735 S Ellis Avenue, Chicago, Illinois 60637, United States
| | - Mohammad Rasel Mian
- International Institute for Nanotechnology, Institute for Sustainability and Energy at Northwestern, and Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Haomiao Xie
- International Institute for Nanotechnology, Institute for Sustainability and Energy at Northwestern, and Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Haochuan Mao
- International Institute for Nanotechnology, Institute for Sustainability and Energy at Northwestern, and Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Jiaxin Duan
- International Institute for Nanotechnology, Institute for Sustainability and Energy at Northwestern, and Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Kent O Kirlikovali
- International Institute for Nanotechnology, Institute for Sustainability and Energy at Northwestern, and Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Aaron E B S Stone
- International Institute for Nanotechnology, Institute for Sustainability and Energy at Northwestern, and Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Debmalya Ray
- Department of Chemistry, University of Minnesota, 207 Pleasant St. SE, Minneapolis, Minnesota 55414, United States
| | - Michael R Wasielewski
- International Institute for Nanotechnology, Institute for Sustainability and Energy at Northwestern, and Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Laura Gagliardi
- Department of Chemistry, Pritzker School of Molecular Engineering, James Franck Institute, University of Chicago, 5735 S Ellis Avenue, Chicago, Illinois 60637, United States
| | - Omar K Farha
- International Institute for Nanotechnology, Institute for Sustainability and Energy at Northwestern, and Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States.,Department of Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
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21
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Wang X, Liu Y, Cheng H, Ouyang X. Surface Wettability for Skin-Interfaced Sensors and Devices. ADVANCED FUNCTIONAL MATERIALS 2022; 32:2200260. [PMID: 36176721 PMCID: PMC9514151 DOI: 10.1002/adfm.202200260] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Indexed: 05/05/2023]
Abstract
The practical applications of skin-interfaced sensors and devices in daily life hinge on the rational design of surface wettability to maintain device integrity and achieve improved sensing performance under complex hydrated conditions. Various bio-inspired strategies have been implemented to engineer desired surface wettability for varying hydrated conditions. Although the bodily fluids can negatively affect the device performance, they also provide a rich reservoir of health-relevant information and sustained energy for next-generation stretchable self-powered devices. As a result, the design and manipulation of the surface wettability are critical to effectively control the liquid behavior on the device surface for enhanced performance. The sensors and devices with engineered surface wettability can collect and analyze health biomarkers while being minimally affected by bodily fluids or ambient humid environments. The energy harvesters also benefit from surface wettability design to achieve enhanced performance for powering on-body electronics. In this review, we first summarize the commonly used approaches to tune the surface wettability for target applications toward stretchable self-powered devices. By considering the existing challenges, we also discuss the opportunities as a small fraction of potential future developments, which can lead to a new class of skin-interfaced devices for use in digital health and personalized medicine.
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Affiliation(s)
- Xiufeng Wang
- School of Materials Science and Engineering, Xiangtan University, Xiangtan, Hunan 411105, China
| | - Yangchengyi Liu
- School of Materials Science and Engineering, Xiangtan University, Xiangtan, Hunan 411105, China
| | - Huanyu Cheng
- Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, PA 16802, USA
| | - Xiaoping Ouyang
- School of Materials Science and Engineering, Xiangtan University, Xiangtan, Hunan 411105, China
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22
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Dahanayake MH, Athukorala SS, Jayasundera ACA. Recent breakthroughs in nanostructured antiviral coating and filtration materials: a brief review. RSC Adv 2022; 12:16369-16385. [PMID: 35747530 PMCID: PMC9158512 DOI: 10.1039/d2ra01567f] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 04/21/2022] [Indexed: 12/11/2022] Open
Abstract
COVID-19 persists as the most challenging pandemic of the 21st century with a high rate of transmission. The main pathway of SARS-CoV-2 transmission is aerosol-mediated infection transfer through virus-laden droplets that are expelled by infected people, whereas indirect transmission occurs when contact is made with a contaminated surface. This mini review delivers an overview of the current state of knowledge, research directions, and applications by examining the most recent developments in antiviral surface coatings and filters and analyzing their efficiencies. Reusable masks and other personal protective devices with antiviral properties and self-decontamination could be valuable tools in the fight against viral spread. Moreover, antiviral surface coatings that repel pathogens by preventing adhesion or neutralize pathogens with self-sanitizing ability are assumed to be the most desirable for terminating indirect transmission of viruses. Although many nanomaterials have shown high antiviral capacities, additional research is unquestionably required to develop next-generation antiviral agents with unique characteristics to face future viral outbreaks.
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Affiliation(s)
- Madushani H Dahanayake
- Department of Chemistry, Faculty of Science, University of Peradeniya Sri Lanka
- National Institute of Fundamental Studies Hanthana Kandy Sri Lanka
| | - Sandya S Athukorala
- Department of Chemistry, Faculty of Science, University of Peradeniya Sri Lanka
- Postgraduate Institute of Science, University of Peradeniya Sri Lanka
| | - A C A Jayasundera
- Department of Chemistry, Faculty of Science, University of Peradeniya Sri Lanka
- Division of Mathematics and Science, Missouri Valley College Marshall MO 65340 USA
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23
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Chen Z, Zhang W, Yang H, Min K, Jiang J, Lu D, Huang X, Qu G, Liu Q, Jiang G. A pandemic-induced environmental dilemma of disposable masks: solutions from the perspective of the life cycle. ENVIRONMENTAL SCIENCE. PROCESSES & IMPACTS 2022; 24:649-674. [PMID: 35388819 DOI: 10.1039/d1em00509j] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The coronavirus disease 2019 (COVID-19) has swept the world and still afflicts humans. As an effective means of protection, wearing masks has been widely adopted by the general public. The massive use of disposable masks has raised some emerging environmental and bio-safety concerns: improper handling of used masks may transfer the attached pathogens to environmental media; disposable masks mainly consist of polypropylene (PP) fibers which may aggravate the global plastic pollution; and the risks of long-term wearing of masks are elusive. To maximize the utilization and minimize the risks, efforts have been made to improve the performance of masks (e.g., antivirus properties and filtration efficiency), extend their functions (e.g., respiration monitoring and acting as a sampling device), develop new disinfection methods, and recycle masks. Despite that, from the perspective of the life cycle (from production, usage, and discard to disposal), comprehensive solutions are urgently needed to solve the environmental dilemma of disposable masks in both technologies (e.g., efficient use of raw materials, prolonging the service life, and enabling biodegradation) and policies (e.g., stricter industry criteria and garbage sorting).
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Affiliation(s)
- Zigu Chen
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100190, China
| | - Weican Zhang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100190, China
| | - Hang Yang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100190, China
| | - Ke Min
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
- Key Laboratory of Phytochemical R&D of Hunan Province, Ministry of Education Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research, Hunan Normal University, Changsha 410081, China
| | - Jie Jiang
- Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
| | - Dawei Lu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
| | - Xiu Huang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100190, China
| | - Guangbo Qu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100190, China
| | - Qian Liu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100190, China
- Institute of Environment and Health, Jianghan University, Wuhan 430056, China
| | - Guibin Jiang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100190, China
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24
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Deng C, Seidi F, Yong Q, Jin X, Li C, Zhang X, Han J, Liu Y, Huang Y, Wang Y, Yuan Z, Xiao H. Antiviral/antibacterial biodegradable cellulose nonwovens as environmentally friendly and bioprotective materials with potential to minimize microplastic pollution. JOURNAL OF HAZARDOUS MATERIALS 2022; 424:127391. [PMID: 34879581 PMCID: PMC8482584 DOI: 10.1016/j.jhazmat.2021.127391] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 09/20/2021] [Accepted: 09/28/2021] [Indexed: 05/23/2023]
Abstract
Personal protective equipment (PPE) such as face masks is vital in battling the COVID-19 crisis, but the dominant polypropylene-based PPE are lack of antiviral/antibacterial activities and environmental friendliness, and have hazardous impact on the soil and aquatic ecosystems. The work presented herein focused on developing biodegradable, antiviral, and antibacterial cellulose nonwovens (AVAB-CNWs) as a multi-functional bioprotective layer for better protection against coronavirus SARS-CoV-2 and addressing environmental concerns raised by the piling of COVID-19 related wastes. Both guanidine-based polymer and neomycin sulfate (NEO) were reactive-modified and covalently grafted onto the surface of cellulose nonwovens, thereby conferring outstanding antiviral and antibacterial activities to the nonwovens without deteriorating the microstructure and biodegradability. Through adjusting the grafting amount of active components and selecting appropriate reagents for pretreatment, the antimicrobial activity and hydrophobicity for self-cleaning of the nonwovens can be tuned. More importantly, we demonstrated for the first time that such multi-functional nonwovens are capable of inactivating SARS-CoV-2 instantly, leading to high virucidal activity (> 99.35%), which is unachievable by conventional masks used nowadays. Meanwhile, the robust breathability and biodegradability of AVAB-CNWs were well maintained. The applications of the as-prepared nonwovens as high-performance textile can be readily extended to other areas in the fight against COVID-19.
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Affiliation(s)
- Chao Deng
- International Innovation Center for Forest Chemicals and Materials and Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
| | - Farzad Seidi
- International Innovation Center for Forest Chemicals and Materials and Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China.
| | - Qiang Yong
- International Innovation Center for Forest Chemicals and Materials and Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China.
| | - Xiangyu Jin
- Engineering Research Center of Technical Textiles, Ministry of Education, College of Textiles, Donghua University, Shanghai 201620, China
| | - Chengcheng Li
- International Innovation Center for Forest Chemicals and Materials and Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
| | - Xing Zhang
- International Innovation Center for Forest Chemicals and Materials and Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
| | - Jingquan Han
- International Innovation Center for Forest Chemicals and Materials and Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
| | - Yuqian Liu
- International Innovation Center for Forest Chemicals and Materials and Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
| | - Yang Huang
- International Innovation Center for Forest Chemicals and Materials and Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
| | - Yuyan Wang
- Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), Department of Medical Microbiology and Parasitology, School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Zhenghong Yuan
- Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), Department of Medical Microbiology and Parasitology, School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Huining Xiao
- Department of Chemical Engineering, University of New Brunswick, Fredericton, NB, Canada E3B 5A3.
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25
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Yang X, Hou J, Tian Y, Zhao J, Sun Q, Zhou S. Antibacterial surfaces: Strategies and applications. SCIENCE CHINA. TECHNOLOGICAL SCIENCES 2022; 65:1000-1010. [PMID: 35018171 PMCID: PMC8739374 DOI: 10.1007/s11431-021-1962-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Accepted: 11/12/2021] [Indexed: 05/11/2023]
Abstract
Antibacterial surfaces are surfaces that can resist bacteria, relying on the nature of the material itself. It is significant for safe food and water, human health, and industrial equipment. Biofilm is the main form of bacterial contamination on the material surface. Preventing the formation of biofilm is an efficient way to develop antibacterial surfaces. The strategy for constructing the antibacterial surface is divided into bacteria repelling and bacteria killing based on the formation of the biofilm. Material surface wettability, adhesion, and steric hindrance determine bacteria repelling performance. Bacteria should be killed by surface chemistry or physical structures when they are attached to a material surface irreversibly. Killing approaches are usually in the light of the cell membrane of bacteria. This review summarizes the fabrication methods and applications of antibacterial surfaces from the view of the treatment of the material surfaces. We also present several crucial points for developing long-term stability, no drug resistance, broad-spectrum, and even programable antibacterial surfaces.
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Affiliation(s)
- XiaoMeng Yang
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, 610031 China
| | - JianWen Hou
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, 610031 China
| | - Yuan Tian
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031 China
| | - JingYa Zhao
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, 610031 China
| | - QiangQiang Sun
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, 610031 China
| | - ShaoBing Zhou
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, 610031 China
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26
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Li R, Zhang M, Wu Y, Tang P, Sun G, Wang L, Mandal S, Wang L, Lang J, Passalacqua A, Subramaniam S, Song G. What We Are Learning from COVID-19 for Respiratory Protection: Contemporary and Emerging Issues. Polymers (Basel) 2021; 13:4165. [PMID: 34883668 PMCID: PMC8659889 DOI: 10.3390/polym13234165] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Revised: 11/23/2021] [Accepted: 11/24/2021] [Indexed: 02/07/2023] Open
Abstract
Infectious respiratory diseases such as the current COVID-19 have caused public health crises and interfered with social activity. Given the complexity of these novel infectious diseases, their dynamic nature, along with rapid changes in social and occupational environments, technology, and means of interpersonal interaction, respiratory protective devices (RPDs) play a crucial role in controlling infection, particularly for viruses like SARS-CoV-2 that have a high transmission rate, strong viability, multiple infection routes and mechanisms, and emerging new variants that could reduce the efficacy of existing vaccines. Evidence of asymptomatic and pre-symptomatic transmissions further highlights the importance of a universal adoption of RPDs. RPDs have substantially improved over the past 100 years due to advances in technology, materials, and medical knowledge. However, several issues still need to be addressed such as engineering performance, comfort, testing standards, compliance monitoring, and regulations, especially considering the recent emergence of pathogens with novel transmission characteristics. In this review, we summarize existing knowledge and understanding on respiratory infectious diseases and their protection, discuss the emerging issues that influence the resulting protective and comfort performance of the RPDs, and provide insights in the identified knowledge gaps and future directions with diverse perspectives.
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Affiliation(s)
- Rui Li
- Department of Apparel, Events, and Hospitality Management, Iowa State University, Ames, IA 50010, USA; (R.L.); (M.Z.); (Y.W.); (L.W.)
| | - Mengying Zhang
- Department of Apparel, Events, and Hospitality Management, Iowa State University, Ames, IA 50010, USA; (R.L.); (M.Z.); (Y.W.); (L.W.)
| | - Yulin Wu
- Department of Apparel, Events, and Hospitality Management, Iowa State University, Ames, IA 50010, USA; (R.L.); (M.Z.); (Y.W.); (L.W.)
| | - Peixin Tang
- Department of Biological and Agricultural Engineering, University of California, Davis, CA 95616, USA; (P.T.); (G.S.)
| | - Gang Sun
- Department of Biological and Agricultural Engineering, University of California, Davis, CA 95616, USA; (P.T.); (G.S.)
| | - Liwen Wang
- Department of Apparel, Events, and Hospitality Management, Iowa State University, Ames, IA 50010, USA; (R.L.); (M.Z.); (Y.W.); (L.W.)
| | - Sumit Mandal
- Department of Design, Housing and Merchandising, Oklahoma State University, Stillwater, OK 74078, USA;
| | - Lizhi Wang
- Department of Industrial and Manufacturing Systems Engineering, Iowa State University, Ames, IA 50010, USA;
| | - James Lang
- Department of Kinesiology, Iowa State University, Ames, IA 50010, USA;
| | - Alberto Passalacqua
- Department of Mechanical Engineering, Iowa State University, Ames, IA 50010, USA; (A.P.); (S.S.)
| | - Shankar Subramaniam
- Department of Mechanical Engineering, Iowa State University, Ames, IA 50010, USA; (A.P.); (S.S.)
| | - Guowen Song
- Department of Apparel, Events, and Hospitality Management, Iowa State University, Ames, IA 50010, USA; (R.L.); (M.Z.); (Y.W.); (L.W.)
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27
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Stackhouse CA, Yan S, Wang L, Kisslinger K, Tappero R, Head AR, Tallman KR, Takeuchi ES, Bock DC, Takeuchi KJ, Marschilok AC. Characterization of Materials Used as Face Coverings for Respiratory Protection. ACS APPLIED MATERIALS & INTERFACES 2021; 13:47996-48008. [PMID: 34582689 DOI: 10.1021/acsami.1c11200] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Use of masks is a primary tool to prevent the spread of the novel COVID-19 virus resulting from unintentional close contact with infected individuals. However, detailed characterization of the chemical properties and physical structure of common mask materials is lacking in the current literature. In this study, a series of commercial masks and potential mask materials, including 3M Particulate Respirator 8210 N95, a material provided by Oak Ridge National Laboratory Carbon Fiber Technology Facility (ORNL/CFTF), and a Filti Face Mask Material, were characterized by a suite of techniques, including scanning electron microscopy, X-ray diffraction, Raman spectroscopy, and X-ray photoelectron spectroscopy. Wetting properties of the mask materials were quantified by measurements of contact angle with a saliva substitute. Mask pass-through experiments were performed using a dispersed metal oxide nanoparticle suspension to model the SARS-CoV-2 virus, with quantification via spatially resolved X-ray fluorescence mapping. Notably, all mask materials tested provided a strong barrier against respiratory droplet breakthrough. The comparisons and characterizations provided in this study provide useful information when evaluating mask materials for respiratory protection.
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Affiliation(s)
- Chavis A Stackhouse
- Institute for Electrochemically Stored Energy, Stony Brook University, Stony Brook, New York 11794, United States
- Department of Chemistry, Stony Brook University, Stony Brook, New York 11794, United States
| | - Shan Yan
- Institute for Electrochemically Stored Energy, Stony Brook University, Stony Brook, New York 11794, United States
- Interdisciplinary Science Department, Brookhaven National Laboratory, Upton New York 11973, United States
| | - Lei Wang
- Institute for Electrochemically Stored Energy, Stony Brook University, Stony Brook, New York 11794, United States
- Interdisciplinary Science Department, Brookhaven National Laboratory, Upton New York 11973, United States
| | - Kim Kisslinger
- Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton New York 11973, United States
| | - Ryan Tappero
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, New York 11973, United States
| | - Ashley R Head
- Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton New York 11973, United States
| | - Killian R Tallman
- Institute for Electrochemically Stored Energy, Stony Brook University, Stony Brook, New York 11794, United States
- Department of Chemistry, Stony Brook University, Stony Brook, New York 11794, United States
| | - Esther S Takeuchi
- Institute for Electrochemically Stored Energy, Stony Brook University, Stony Brook, New York 11794, United States
- Interdisciplinary Science Department, Brookhaven National Laboratory, Upton New York 11973, United States
- Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, New York 11794, United States
| | - David C Bock
- Institute for Electrochemically Stored Energy, Stony Brook University, Stony Brook, New York 11794, United States
- Interdisciplinary Science Department, Brookhaven National Laboratory, Upton New York 11973, United States
| | - Kenneth J Takeuchi
- Institute for Electrochemically Stored Energy, Stony Brook University, Stony Brook, New York 11794, United States
- Interdisciplinary Science Department, Brookhaven National Laboratory, Upton New York 11973, United States
- Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, New York 11794, United States
| | - Amy C Marschilok
- Institute for Electrochemically Stored Energy, Stony Brook University, Stony Brook, New York 11794, United States
- Department of Chemistry, Stony Brook University, Stony Brook, New York 11794, United States
- Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, New York 11794, United States
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28
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Seidi F, Deng C, Zhong Y, Liu Y, Huang Y, Li C, Xiao H. Functionalized Masks: Powerful Materials against COVID-19 and Future Pandemics. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2102453. [PMID: 34319644 PMCID: PMC8420174 DOI: 10.1002/smll.202102453] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Indexed: 05/03/2023]
Abstract
The outbreak of COVID-19 revealed the vulnerability of commercially available face masks. Without having antibacterial/antiviral activities, the current masks act only as filtering materials of the aerosols containing microorganisms. Meanwhile, in surgical masks, the viral and bacterial filtration highly depends on the electrostatic charges of masks. These electrostatic charges disappear after 8 h, which leads to a significant decline in filtration efficiency. Therefore, to enhance the masks' protection performance, fabrication of innovative masks with more advanced functions is in urgent demand. This review summarizes the various functionalizing agents which can endow four important functions in the masks including i) boosting the antimicrobial and self-disinfectant characteristics via incorporating metal nanoparticles or photosensitizers, ii) increasing the self-cleaning by inserting superhydrophobic materials such as graphenes and alkyl silanes, iii) creating photo/electrothermal properties by forming graphene and metal thin films within the masks, and iv) incorporating triboelectric nanogenerators among the friction layers of masks to stabilize the electrostatic charges and facilitating the recharging of masks. The strategies for creating these properties toward the functionalized masks are discussed in detail. The effectiveness and limitation of each method in generating the desired properties are well-explained along with addressing the prospects for the future development of masks.
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Affiliation(s)
- Farzad Seidi
- Jiangsu Co‐Innovation Center of Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and MaterialsNanjing Forestry UniversityNanjing210037China
| | - Chao Deng
- Jiangsu Co‐Innovation Center of Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and MaterialsNanjing Forestry UniversityNanjing210037China
| | - Yajie Zhong
- Jiangsu Co‐Innovation Center of Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and MaterialsNanjing Forestry UniversityNanjing210037China
| | - Yuqian Liu
- Jiangsu Co‐Innovation Center of Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and MaterialsNanjing Forestry UniversityNanjing210037China
| | - Yang Huang
- Jiangsu Co‐Innovation Center of Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and MaterialsNanjing Forestry UniversityNanjing210037China
| | - Chengcheng Li
- Jiangsu Co‐Innovation Center of Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and MaterialsNanjing Forestry UniversityNanjing210037China
| | - Huining Xiao
- Department of Chemical EngineeringUniversity of New BrunswickFrederictonNew BrunswickE3B 5A3Canada
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Wang PL, Roschli A, Paranthaman MP, Theodore M, Cramer CL, Zangmeister C, Zhang Y, Urban JJ, Love L. Recent developments in filtration media and respirator technology in response to COVID-19. MRS BULLETIN 2021; 46:822-831. [PMID: 34539059 PMCID: PMC8442655 DOI: 10.1557/s43577-021-00173-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 08/06/2021] [Indexed: 05/03/2023]
Abstract
Abstract The COVID-19 pandemic triggered a surge in demand for N95 or equivalent respirators that the global supply chain was unable to satisfy. This shortage in critical equipment has inspired research that addresses the immediate problems and has accelerated the development of the next-generation filtration media and respirators. This article provides a brief review of the most recent work with regard to face respirators and filtration media. We discuss filtration efficiency of the widely utilized cloth masks. Next, the sterilization of and reuse of existing N95 respirators to extend the existing stockpile is discussed. To expand near-term supplies, optimization of current manufacturing methods, such as melt-blown processes and electrospinning, has been explored. Future manufacturing methods have been investigated to address long-term supply shortages. Novel materials with antiviral and sterilizable properties with the ability for multiple reuses have been developed and will contribute to the development of the next generation of longer lasting multi-use N95 respirators. Finally, additively manufactured respirators are reviewed, which enable a rapidly deployable source of reusable respirators that can use any filtration fabric. Graphic abstract
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Affiliation(s)
| | - Alex Roschli
- Oak Ridge National Laboratory, Oak Ridge, TN USA
| | | | | | | | | | | | | | - Lonnie Love
- Oak Ridge National Laboratory, Oak Ridge, TN USA
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Aroso RT, Piccirillo G, Arnaut ZA, Gonzalez AC, Rodrigues FM, Pereira MM. Photodynamic inactivation of influenza virus as a potential alternative for the control of respiratory tract infections. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY 2021. [DOI: 10.1016/j.jpap.2021.100043] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
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Li B, Wang D, Lee MMS, Wang W, Tan Q, Zhao Z, Tang BZ, Huang X. Fabrics Attached with Highly Efficient Aggregation-Induced Emission Photosensitizer: Toward Self-Antiviral Personal Protective Equipment. ACS NANO 2021; 15:13857-13870. [PMID: 34313425 DOI: 10.1021/acsnano.1c06071] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Personal protective equipment (PPE) is vital for the prevention and control of SARS-CoV-2. However, conventional PPEs lack virucidal capabilities and arbitrarily discarding used PPEs may cause a high risk for cross-contamination and environmental pollution. Recently reported photothermal or photodynamic-mediated self-sterilizing masks show bactericidal-virucidal abilities but have some inherent disadvantages, such as generating unbearable heat during the photothermal process or requiring additional ultraviolet light irradiation to inactivate pathogens, which limit their practical applications. Here, we report the fabrication of a series of fabrics (derived from various PPEs) with real-time self-antiviral capabilities, on the basis of a highly efficient aggregation-induced emission photosensitizer (namely, ASCP-TPA). ASCP-TPA possesses facile synthesis, excellent biocompatibility, and extremely high reactive oxygen species generation capacity, which significantly outperforms the traditional photosensitizers. Meanwhile, the ASCP-TPA-attached fabrics (ATaFs) show tremendous photodynamic inactivation effects against MHV-A59, a surrogate coronavirus of SARS-CoV-2. Upon ultralow-power white light irradiation (3.0 mW cm-2), >99.999% virions (5 log) on the ATaFs are eliminated within 10 min. Such ultralow-power requirement and rapid virus-killing ability enable ATaFs-based PPEs to provide real-time protection for the wearers under indoor light irradiation. ATaFs' virucidal abilities are retained after 100 washings or continuous exposure to office light for 2 weeks, which offers the benefits of reusability and long-term usability. Furthermore, ATaFs show no toxicity to normal skin, even upon continuous high-power light illumination. This self-antiviral ATaFs-based strategy may also be applied to fight against other airborne pathogens and holds huge potential to alleviate global PPE supply shortages.
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Affiliation(s)
- Bin Li
- Center for Infection and Immunity, Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai 519000, Guangdong, China
- Southern Marine Science and Engineering Guangdong Laboratory, Zhuhai 519000, Guangdong, China
- Key Laboratory of Tropical Diseases Control, Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, Guangdong, China
| | - Dong Wang
- Center for AIE Research, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, Guangdong, China
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon 999077, Hong Kong, China
| | - Michelle M S Lee
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon 999077, Hong Kong, China
| | - Wei Wang
- Center for Infection and Immunity, Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai 519000, Guangdong, China
| | - Qingqin Tan
- Center for Infection and Immunity, Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai 519000, Guangdong, China
| | - Zhaoyan Zhao
- Center for Infection and Immunity, Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai 519000, Guangdong, China
| | - Ben Zhong Tang
- Center for AIE Research, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, Guangdong, China
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon 999077, Hong Kong, China
| | - Xi Huang
- Center for Infection and Immunity, Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai 519000, Guangdong, China
- Southern Marine Science and Engineering Guangdong Laboratory, Zhuhai 519000, Guangdong, China
- Key Laboratory of Tropical Diseases Control, Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, Guangdong, China
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Qingyuan 511518, Guangdong, China
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Li M, Wen H, Li H, Yan ZC, Li Y, Wang L, Wang D, Tang BZ. AIEgen-loaded nanofibrous membrane as photodynamic/photothermal antimicrobial surface for sunlight-triggered bioprotection. Biomaterials 2021; 276:121007. [PMID: 34237505 PMCID: PMC8253668 DOI: 10.1016/j.biomaterials.2021.121007] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 06/30/2021] [Accepted: 07/01/2021] [Indexed: 12/21/2022]
Abstract
The outbreak of infectious diseases such as COVID-19 causes an urgent need for abundant personal protective equipment (PPE) which leads to a huge shortage of raw materials. Additionally, the inappropriate disposal and sterilization of PPE may result in a high risk of cross-contamination. Therefore, the exploration of antimicrobial materials possessing both microbe interception and self-decontamination effects to develop reusable and easy-to-sterilize PPE is of great importance. Herein, an aggregation-induced emission (AIE)-active luminogen-loaded nanofibrous membrane (TTVB@NM) sharing sunlight-triggered photodynamic/photothermal anti-pathogen functions are prepared using the electrospinning technique. Thanks to its porous nanostructure, TTVB@NM shows excellent interception effects toward ultrafine particles and pathogenic aerosols. Benefiting from the superior photophysical properties of the AIE-active dopants, TTVB@NM exhibits integrated properties of wide absorption in visible light range, efficient ROS generation, and moderate photothermal conversion performance. A series of antimicrobial evaluations reveal that TTVB@NM could effectively inactivate pathogenic aerosols containing bacteria (inhibition rate: >99%), fungi (~88%), and viruses (>99%) within only 10 min sunlight irradiation. This study represents a new strategy to construct reusable and easy-to-sterilize hybrid materials for potential bioprotective applications.
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Affiliation(s)
- Meng Li
- Center for AIE Research, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China; Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Haifei Wen
- Center for AIE Research, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Haoxuan Li
- Center for AIE Research, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China; Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Zhi-Chao Yan
- Center for AIE Research, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Ying Li
- Center for AIE Research, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Lei Wang
- Center for AIE Research, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Dong Wang
- Center for AIE Research, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China.
| | - Ben Zhong Tang
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, 999077, Hong Kong; Shenzhen Institute of Aggregate Science and Technology, School of Science and Engineering, The Chinese University of Hong Kong, Shenzhen, Guangdong, 518172, China.
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Mariewskaya KA, Tyurin AP, Chistov AA, Korshun VA, Alferova VA, Ustinov AV. Photosensitizing Antivirals. Molecules 2021; 26:3971. [PMID: 34209713 PMCID: PMC8271894 DOI: 10.3390/molecules26133971] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 06/22/2021] [Accepted: 06/27/2021] [Indexed: 12/23/2022] Open
Abstract
Antiviral action of various photosensitizers is already summarized in several comprehensive reviews, and various mechanisms have been proposed for it. However, a critical consideration of the matter of the area is complicated, since the exact mechanisms are very difficult to explore and clarify, and most publications are of an empirical and "phenomenological" nature, reporting a dependence of the antiviral action on illumination, or a correlation of activity with the photophysical properties of the substances. Of particular interest is substance-assisted photogeneration of highly reactive singlet oxygen (1O2). The damaging action of 1O2 on the lipids of the viral envelope can probably lead to a loss of the ability of the lipid bilayer of enveloped viruses to fuse with the lipid membrane of the host cell. Thus, lipid bilayer-affine 1O2 photosensitizers have prospects as broad-spectrum antivirals against enveloped viruses. In this short review, we want to point out the main types of antiviral photosensitizers with potential affinity to the lipid bilayer and summarize the data on new compounds over the past three years. Further understanding of the data in the field will spur a targeted search for substances with antiviral activity against enveloped viruses among photosensitizers able to bind to the lipid membranes.
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Affiliation(s)
- Kseniya A. Mariewskaya
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Miklukho-Maklaya 16/10, 117997 Moscow, Russia; (K.A.M.); (A.P.T.); (A.A.C.); (V.A.K.)
- Higher Chemical College of the Russian Academy of Sciences, Mendeleev University of Chemical Technology, Miusskaya sq. 9, 125047 Moscow, Russia
| | - Anton P. Tyurin
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Miklukho-Maklaya 16/10, 117997 Moscow, Russia; (K.A.M.); (A.P.T.); (A.A.C.); (V.A.K.)
- Gause Institute of New Antibiotics, B. Pirogovskaya 11, 119021 Moscow, Russia
| | - Alexey A. Chistov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Miklukho-Maklaya 16/10, 117997 Moscow, Russia; (K.A.M.); (A.P.T.); (A.A.C.); (V.A.K.)
| | - Vladimir A. Korshun
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Miklukho-Maklaya 16/10, 117997 Moscow, Russia; (K.A.M.); (A.P.T.); (A.A.C.); (V.A.K.)
| | - Vera A. Alferova
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Miklukho-Maklaya 16/10, 117997 Moscow, Russia; (K.A.M.); (A.P.T.); (A.A.C.); (V.A.K.)
- Gause Institute of New Antibiotics, B. Pirogovskaya 11, 119021 Moscow, Russia
| | - Alexey V. Ustinov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Miklukho-Maklaya 16/10, 117997 Moscow, Russia; (K.A.M.); (A.P.T.); (A.A.C.); (V.A.K.)
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Prasher P, Sharma M. Nanotechnology-based self-sterilizing surfaces and their potential in combating COVID-19. Nanomedicine (Lond) 2021; 16:1183-1186. [PMID: 33973804 PMCID: PMC8111933 DOI: 10.2217/nnm-2021-0079] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Accepted: 03/24/2021] [Indexed: 12/26/2022] Open
Affiliation(s)
- Parteek Prasher
- UGC Sponsored Centre for Advanced Studies, Department of Chemistry, Guru Nanak Dev University, Amritsar, 143005, India
- Department of Chemistry, University of Petroleum & Energy Studies, Energy Acres, Dehradun, 248007, India
| | - Mousmee Sharma
- UGC Sponsored Centre for Advanced Studies, Department of Chemistry, Guru Nanak Dev University, Amritsar, 143005, India
- Department of Chemistry, Uttaranchal University, Arcadia Grant, Dehradun, 248007, India
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35
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Tang P, El-Moghazy AY, Ji B, Nitin N, Sun G. Unique "posture" of rose Bengal for fabricating personal protective equipment with enhanced daylight-induced biocidal efficiency. MATERIALS ADVANCES 2021; 2:3569-3578. [PMID: 34179787 PMCID: PMC8186280 DOI: 10.1039/d1ma00100k] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 04/29/2021] [Indexed: 06/13/2023]
Abstract
The aggregation-caused self-quenching of photosensitizers (PS), especially on a solid substrate, has highly limited their photo-induced biocidal efficiency in practical applications. Here, we designed a unique "posture" of rose Bengal (RB) on cotton-based super-adsorptive fibrous equipment, with RB being separately captured in the mesopores of porous organic polymers (POPs). The resultant daylight-induced biocidal cotton fabric with enhanced efficiency was named as DBwEE-Cotton. The enhanced biocidal activity of the DBwEE-Cotton was achieved based on two mechanisms: (1) the separation of RB in mesopores on the fabric avoids the aggregation-caused self-quenching; and (2) other than singlet oxygen generation, RB is forced to undergo type I photoreaction by surrounding the RB with massive amounts of good hydrogen donors (i.e., POP) under daylight irradiation. Given the enhanced production efficiency of reactive oxygen species by the DBwEE-Cotton, 99.9999% of E. coli and L. innocua bacteria were killed within 20 min of daylight exposure. The DBwEE-Cotton also presents excellent wash and light durability with no biocidal function loss. The development of DBwEE-Cotton provides a facile strategy of avoiding aggregation-caused self-quenching and modulating photoreactions of PS on a flexible substrate, which may guide the design of novel personal protective equipment (PPE) integrated with improved biocidal efficiency, wearability, and repeated and long-term applicability for protecting people from lethal infectious diseases.
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Affiliation(s)
- Peixin Tang
- Department of Biological and Agricultural Engineering, University of California Davis CA 95616 USA +1 530 752 0840
| | - Ahmed Y El-Moghazy
- Department of Food Science and Technology, University of California Davis CA 95616 USA
| | - Bolin Ji
- College of Chemistry, Chemical and Biological Engineering, Donghua University Shanghai 201620 China
| | - Nitin Nitin
- Department of Biological and Agricultural Engineering, University of California Davis CA 95616 USA +1 530 752 0840
- Department of Food Science and Technology, University of California Davis CA 95616 USA
| | - Gang Sun
- Department of Biological and Agricultural Engineering, University of California Davis CA 95616 USA +1 530 752 0840
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36
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Ng G, Judzewitsch P, Li M, Pester CW, Jung K, Boyer C. Synthesis of Polymer Brushes Via SI-PET-RAFT for Photodynamic Inactivation of Bacteria. Macromol Rapid Commun 2021; 42:e2100106. [PMID: 33834575 DOI: 10.1002/marc.202100106] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 03/11/2021] [Indexed: 12/20/2022]
Abstract
Biofilms are a persistent issue in healthcare and industry. Once formed, the eradication of biofilms is challenging as the extracellular polymeric matrix provides protection against harsh environmental conditions and physically enhances resistance to antimicrobials. The fabrication of polymer brush coatings provides a versatile approach to modify the surface to resist the formation of biofilms. Herein, the authors report a facile synthetic route for the preparation of surface-tethered polymeric brushes with antifouling and visible light activated bactericidal properties using surface-initiated photoinduced electron transfer-reversible addition-fragmentation chain transfer polymerization (SI-PET-RAFT). Bactericidal property via the generation of singlet oxygen, which can be temporally and spatially controlled, is investigated against both Gram-positive and Gram-negative bacteria. In addition, the antibacterial properties of the surface can be recycled. This work paves the way for the preparation of polymer films that can resist and kill bacterial biofilms.
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Affiliation(s)
- Gervase Ng
- School of Chemical Engineering, Australian Centre for NanoMedicine, Cluster for Advanced Macromolecular Design, The University of New South Wales, Sydney, New South Wales, 2052, Australia
| | - Peter Judzewitsch
- School of Chemical Engineering, Australian Centre for NanoMedicine, Cluster for Advanced Macromolecular Design, The University of New South Wales, Sydney, New South Wales, 2052, Australia
| | - Mingxiao Li
- Department of Chemical Engineering, Department of Chemistry, Department of Materials Science and Engineering, The Pennsylvania State University, University Park, Pennsylvania, 16802, USA
| | - Christian W Pester
- Department of Chemical Engineering, Department of Chemistry, Department of Materials Science and Engineering, The Pennsylvania State University, University Park, Pennsylvania, 16802, USA
| | - Kenward Jung
- School of Chemical Engineering, Australian Centre for NanoMedicine, Cluster for Advanced Macromolecular Design, The University of New South Wales, Sydney, New South Wales, 2052, Australia
| | - Cyrille Boyer
- School of Chemical Engineering, Australian Centre for NanoMedicine, Cluster for Advanced Macromolecular Design, The University of New South Wales, Sydney, New South Wales, 2052, Australia
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Jeon Y, Nagappan S, Li XH, Lee JH, Shi L, Yuan S, Lee WK, Ha CS. Highly Transparent, Robust Hydrophobic, and Amphiphilic Organic-Inorganic Hybrid Coatings for Antifogging and Antibacterial Applications. ACS APPLIED MATERIALS & INTERFACES 2021; 13:6615-6630. [PMID: 33507059 DOI: 10.1021/acsami.0c20401] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The control of surface wettability through a combination of surface roughness, chemical composition, and structural modification has attracted significant attention for antifogging and antibacterial applications. Herein, a two-step spin-coating method for amphiphilic organic-inorganic hybrid materials with incorporated transition metal ions is presented. The coating solution was prepared via photochemical thiol-ene click reaction between the mercapto functional group in trimethylolpropane tris(3-mercaptopropionate) and the vinyl functionalized silica precursor 3-(trimethoxysilyl)propyl methacrylate. In the first step of coating, a glass substrate was coated using a solution of metal nitrate hydrates and subsequently showed hydrophobic properties. As the second step, the spin-coated glass substrate was further coated with silica nanoparticles (SiO2 NPs) and polycaprolactone triol (PCT) suspension, where the contents of SiO2 NPs were fixed at 0.1 wt %, unless otherwise noted. The coated substrate exhibited hydrophilic properties. For comparison, the coating was also formulated with the SiO2 NPs/PCT suspension without SiO2 NPs and with 0.5 wt % SiO2 NPs as well as by adjusting different coating layer thicknesses. The surface morphology and chemical compositions of the obtained coating materials were analyzed by field emission scanning electron microscopy with energy-dispersive X-ray spectroscopy and X-ray photoelectron spectroscopy. The transparency and static contact angle of coated samples were measured by UV-visible spectrophotometry and drop shape analysis, respectively. It was concluded that our novel hybrid coating materials exhibited excellent antibacterial and antifogging properties with extremely high scratch resistance and transparency.
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Affiliation(s)
- Yubin Jeon
- Department of Polymer Science and Engineering, Pusan National University, Busan 46241, Korea
| | - Saravanan Nagappan
- Department of Polymer Science and Engineering, Pusan National University, Busan 46241, Korea
| | - Xi-Hui Li
- Department of Pharmacy, College of Pharmacy, Pusan National University, Busan 46241, Korea
| | - Joon-Hee Lee
- Department of Pharmacy, College of Pharmacy, Pusan National University, Busan 46241, Korea
| | - Liyi Shi
- Research Center of Nanoscience and Nanotechnology, Shanghai University, Shanghai 200444, China
- Emerging Industries Institute, Shanghai University, Jiaxing, Zhejiang 314006, China
| | - Shuai Yuan
- Research Center of Nanoscience and Nanotechnology, Shanghai University, Shanghai 200444, China
- Emerging Industries Institute, Shanghai University, Jiaxing, Zhejiang 314006, China
| | - Won-Ki Lee
- Department of Polymer Engineering, Pukyong National University, Busan 48547, Korea
| | - Chang-Sik Ha
- Department of Polymer Science and Engineering, Pusan National University, Busan 46241, Korea
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Muñoz M, Comtois-Bona M, Cortes D, Cimenci CE, Du Q, Thompson C, Figueroa JD, Franklin V, Liu P, Alarcon EI. Integrated photothermal decontamination device for N95 respirators. Sci Rep 2021; 11:1822. [PMID: 33469049 PMCID: PMC7815715 DOI: 10.1038/s41598-020-80908-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Accepted: 12/24/2020] [Indexed: 02/07/2023] Open
Abstract
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) responsible for the COVID-19 global pandemic has infected over 25 million people worldwide and resulted in the death of millions. The COVID-19 pandemic has also resulted in a shortage of personal protective equipment (PPE) in many regions around the world, particularly in middle- and low-income countries. The shortages of PPE, such as N95 respirators, is something that will persist until an effective vaccine is made available. Thus, devices that while being easy to operate can also be rapidly deployed in health centers, and long-term residences without the need for major structural overhaul are instrumental to sustainably use N95 respirators. In this report, we present the design and validation of a decontamination device that combines UV-C & B irradiation with mild-temperature treatment. The device can decontaminate up to 20 masks in a cycle of < 30 min. The decontamination process did not damage or reduce the filtering capacity of the masks. Further, the efficacy of the device to eliminate microbes and viruses from the masks was also evaluated. The photothermal treatment of our device was capable of eradicating > 99.9999% of the bacteria and > 99.99% of the virus tested.
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Affiliation(s)
- Marcelo Muñoz
- Division of Cardiac Surgery, University of Ottawa Heart Institute, 40 Ruskin Street, Ottawa, ON, K1Y4W7, Canada
- Biochemistry, Microbiology, and Immunology, Faculty of Medicine, University of Ottawa, 451 Smyth Road, Ottawa, ON, K1H8M5, Canada
| | - Maxime Comtois-Bona
- Division of Cardiac Surgery, University of Ottawa Heart Institute, 40 Ruskin Street, Ottawa, ON, K1Y4W7, Canada
- Biomedical Mechanical Engineering, University of Ottawa, 800 King Edward Ave, Ottawa, ON, K1N6N5, Canada
| | - David Cortes
- Division of Cardiac Surgery, University of Ottawa Heart Institute, 40 Ruskin Street, Ottawa, ON, K1Y4W7, Canada
- Biomedical Mechanical Engineering, University of Ottawa, 800 King Edward Ave, Ottawa, ON, K1N6N5, Canada
| | - Cagla Eren Cimenci
- Division of Cardiac Surgery, University of Ottawa Heart Institute, 40 Ruskin Street, Ottawa, ON, K1Y4W7, Canada
- Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, Ottawa, ON, K1H8M5, Canada
| | - Qiujiang Du
- Cardiac Function Laboratory, University of Ottawa Heart Institute, 40 Ruskin Street, Ottawa, ON, K1Y4W7, Canada
| | - Collin Thompson
- Occupational Health, Safety and Biosafety, University of Ottawa Heart Institute, 40 Ruskin street, Ottawa, ON, K1Y4W7, Canada
| | - Juan David Figueroa
- Division of Cardiac Surgery, University of Ottawa Heart Institute, 40 Ruskin Street, Ottawa, ON, K1Y4W7, Canada
| | - Vivian Franklin
- Laboratory Research Resources, Office of Research Services, University of Ottawa Heart Institute, 40 Ruskin Street, Ottawa, ON, K1Y4W7, Canada
| | - Peter Liu
- Cardiac Function Laboratory, University of Ottawa Heart Institute, 40 Ruskin Street, Ottawa, ON, K1Y4W7, Canada
| | - Emilio I Alarcon
- Division of Cardiac Surgery, University of Ottawa Heart Institute, 40 Ruskin Street, Ottawa, ON, K1Y4W7, Canada.
- Biochemistry, Microbiology, and Immunology, Faculty of Medicine, University of Ottawa, 451 Smyth Road, Ottawa, ON, K1H8M5, Canada.
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