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d’Alessandro N, Coccia F, Vitali LA, Rastelli G, Cinosi A, Mascitti A, Tonucci L. Cu-ZnO Embedded in a Polydopamine Shell for the Generation of Antibacterial Surgical Face Masks. Molecules 2024; 29:4512. [PMID: 39339506 PMCID: PMC11434467 DOI: 10.3390/molecules29184512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2024] [Revised: 09/12/2024] [Accepted: 09/14/2024] [Indexed: 09/30/2024] Open
Abstract
A new easy protocol to functionalize the middle layer of commercial surgical face masks (FMs) with Zn and Cu oxides is proposed in order to obtain antibacterial personal protective equipment. Zinc and copper oxides were synthesized embedded in a polydopamine (PDA) shell as potential antibacterial agents; they were analyzed by XRD and TEM, revealing, in all the cases, the formation of metal oxide nanoparticles (NPs). PDA is a natural polymer appreciated for its simple and rapid synthesis, biocompatibility, and high functionalization; it is used in this work as an organic matrix that, in addition to stabilizing NPs, also acts as a diluent in the functionalization step, decreasing the metal loading on the polypropylene (PP) surface. The functionalized middle layers of the FMs were characterized by SEM, XRD, FTIR, and TXRF and tested in their bacterial-growth-inhibiting effect against Klebsiella pneumoniae and Staphylococcus aureus. Among all functionalizing agents, Cu2O-doped-ZnO NPs enclosed in PDA shell, prepared by an ultrasound-assisted method, showed the best antibacterial effect, even at low metal loading, without changing the hydrophobicity of the FM. This approach offers a sustainable solution by prolonging FM lifespan and reducing material waste.
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Affiliation(s)
- Nicola d’Alessandro
- Department of Engineering and Geology, “G. d’Annunzio” University of Chieti-Pescara, Viale Pindaro 42, 65127 Pescara, Italy; (N.d.); (A.M.)
- TEMA Research Center, “G. d’Annunzio” University of Chieti-Pescara, 66100 Chieti, Italy;
- UdA-TechLab Research Center, “G. d’Annunzio” University of Chieti-Pescara, 66100 Chieti, Italy
| | - Francesca Coccia
- Department of Socio-Economic, Managerial and Statistical Studies, “G. d’Annunzio” University of Chieti-Pescara, Via dei Vestini, 31, 66100 Chieti, Italy
| | - Luca Agostino Vitali
- School of Pharmacy, University of Camerino via Gentile III da Varano, 62032 Camerino, Italy;
| | - Giorgia Rastelli
- Department of Neuroscience, Imaging and Clinical Science, “G. d’Annunzio” University of Chieti-Pescara, Via dei Vestini, 31, 66100 Chieti, Italy;
| | - Amedeo Cinosi
- G.N.R. s.r.l., Via Torino 7, 28010 Agrate Conturbia, Italy;
| | - Andrea Mascitti
- Department of Engineering and Geology, “G. d’Annunzio” University of Chieti-Pescara, Viale Pindaro 42, 65127 Pescara, Italy; (N.d.); (A.M.)
| | - Lucia Tonucci
- TEMA Research Center, “G. d’Annunzio” University of Chieti-Pescara, 66100 Chieti, Italy;
- Department of Socio-Economic, Managerial and Statistical Studies, “G. d’Annunzio” University of Chieti-Pescara, Via dei Vestini, 31, 66100 Chieti, Italy
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Dai B, Gao C, Guo J, Ding M, Xu Q, He S, Mou Y, Dong H, Hu M, Dai Z, Zhang Y, Xie Y, Lin Z. A Robust Pyro-phototronic Route to Markedly Enhanced Photocatalytic Disinfection. NANO LETTERS 2024. [PMID: 38606881 DOI: 10.1021/acs.nanolett.3c05098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/13/2024]
Abstract
Photocatalysis offers a direct, yet robust, approach to eradicate pathogenic bacteria. However, the practical implementation of photocatalytic disinfection faces a significant challenge due to low-efficiency photogenerated carrier separation and transfer. Here, we present an effective approach to improve photocatalytic disinfection performance by exploiting the pyro-phototronic effect through a synergistic combination of pyroelectric properties and photocatalytic processes. A set of comprehensive studies reveals that the temperature fluctuation-induced pyroelectric field promotes photoexcited carrier separation and transfer and thus facilitates the generation of reactive oxygen species and ultimately enhances photocatalytic disinfection performance. It is worth highlighting that the constructed film demonstrated an exceptional antibacterial efficiency exceeding 95% against pathogenic bacteria under temperature fluctuations and light irradiation. Moreover, the versatile modulation role of the pyro-phototronic effect in boosting photocatalytic disinfection was corroborated. This work paves the way for improving photocatalytic disinfection efficiency by harnessing the synergistic potential of various inherent material properties.
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Affiliation(s)
- Baoying Dai
- State Key Laboratory of Organic Electronics and Information Displays and Institute of Advanced Materials (IAM), Jiangsu Key Laboratory for Biosensors, Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, Nanjing 210023, China
| | - Chenchen Gao
- State Key Laboratory of Organic Electronics and Information Displays and Institute of Advanced Materials (IAM), Jiangsu Key Laboratory for Biosensors, Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, Nanjing 210023, China
| | - Jiahao Guo
- State Key Laboratory of Organic Electronics and Information Displays and Institute of Advanced Materials (IAM), Jiangsu Key Laboratory for Biosensors, Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, Nanjing 210023, China
| | - Meng Ding
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Research Institute of Stomatology, Nanjing University, Nanjing 210008, China
| | - Qinglin Xu
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Research Institute of Stomatology, Nanjing University, Nanjing 210008, China
| | - Shaoxiong He
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore 118425, Singapore
| | - Yongbin Mou
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Research Institute of Stomatology, Nanjing University, Nanjing 210008, China
| | - Heng Dong
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Research Institute of Stomatology, Nanjing University, Nanjing 210008, China
| | - Mingao Hu
- State Key Laboratory of Organic Electronics and Information Displays and Institute of Advanced Materials (IAM), Jiangsu Key Laboratory for Biosensors, Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, Nanjing 210023, China
| | - Zhuo Dai
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Research Institute of Stomatology, Nanjing University, Nanjing 210008, China
| | - Yu Zhang
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Research Institute of Stomatology, Nanjing University, Nanjing 210008, China
| | - Yannan Xie
- State Key Laboratory of Organic Electronics and Information Displays and Institute of Advanced Materials (IAM), Jiangsu Key Laboratory for Biosensors, Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, Nanjing 210023, China
| | - Zhiqun Lin
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore 118425, Singapore
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3
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Du B, Liu Y, Tan J, Wang Z, Ji C, Shao M, Zhao X, Yu J, Jiang S, Zhang C, Man B, Li Z. Thermoelectrically Driven Dual-Mechanism Regulation on SERS and Application Potential for Rapid Detection of SARS-CoV-2 Viruses and Microplastics. ACS Sens 2024; 9:502-513. [PMID: 38193423 DOI: 10.1021/acssensors.3c02507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2024]
Abstract
Electric-induced surface-enhanced Raman scattering (E-SERS) has been widely studied for its flexible regulation of SERS after the substrate is prepared. However, the enhancement effect is not sufficiently high in the E-SERS technology reported thus far, and no suitable field of application exists. In this study, a highly sensitive thermoelectrically induced SERS substrate, Ag/graphene/ZnO (AGZ), was fabricated using ZnO nanoarrays (NRs), graphene, and Ag nanoparticles (NPs). Applying a temperature gradient to the ZnO NRs enhanced the SERS signals of the probe molecules by a factor of approximately 20. Theoretical and experimental results showed that the thermoelectric potential enables the simultaneous modulation of the Fermi energy level of graphene and the plasma resonance peak of Ag NPs, resulting in a double enhancement in terms of physical and chemical mechanisms. The AGZ substrate was then combined with a mask to create a wearable thermoelectrically enhanced SERS mask for collecting SARS-CoV-2 viruses and microplastics. Its SERS signal can be enhanced by the temperature gradient created between a body heat source (∼37 °C) and a cold environment. The suitability of this method for virus detection was also examined using a reverse transcription-polymerase chain reaction and SARS-CoV-2 virus antigen detection. This work offers new horizons for research of E-SERS, and its application potential for rapid detection of the SARS-CoV-2 virus and microplastics was also studied.
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Affiliation(s)
- Baoqiang Du
- School of Physical and Electronic, Shandong Normal University, Jinan 250014, China
| | - Yalin Liu
- School of Physical and Electronic, Shandong Normal University, Jinan 250014, China
| | - Jibing Tan
- School of Physical and Electronic, Shandong Normal University, Jinan 250014, China
| | - Zhanning Wang
- School of Physical and Electronic, Shandong Normal University, Jinan 250014, China
| | - Chang Ji
- School of Physical and Electronic, Shandong Normal University, Jinan 250014, China
| | - Mingrui Shao
- School of Physical and Electronic, Shandong Normal University, Jinan 250014, China
| | - Xiaofei Zhao
- School of Physical and Electronic, Shandong Normal University, Jinan 250014, China
| | - Jing Yu
- School of Physical and Electronic, Shandong Normal University, Jinan 250014, China
| | - Shouzhen Jiang
- School of Physical and Electronic, Shandong Normal University, Jinan 250014, China
| | - Chao Zhang
- School of Physical and Electronic, Shandong Normal University, Jinan 250014, China
| | - Baoyuan Man
- School of Physical and Electronic, Shandong Normal University, Jinan 250014, China
| | - Zhen Li
- School of Physical and Electronic, Shandong Normal University, Jinan 250014, China
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Zhang S, Wang N, Zhang Q, Guan R, Qu Z, Sun L, Li J. The Rise of Electroactive Materials in Face Masks for Preventing Virus Infections. ACS APPLIED MATERIALS & INTERFACES 2023; 15:48839-48854. [PMID: 37815875 DOI: 10.1021/acsami.3c10465] [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: 10/12/2023]
Abstract
Air-transmitted pathogens may cause severe epidemics, posing considerable threats to public health and safety. Wearing a face mask is one of the most effective ways to prevent respiratory virus infection transmission. Especially since the new coronavirus pandemic, electroactive materials have received much attention in antiviral face masks due to their highly efficient antiviral capabilities, flexible structural design, excellent sustainability, and outstanding safety. This review first introduces the mechanism for preventing viral infection or the inactivation of viruses by electroactive materials. Then, the applications of electrostatic-, conductive-, triboelectric-, and microbattery-based materials in face masks are described in detail. Finally, the problems of various electroactive antiviral materials are summarized, and the prospects for their future development directions are discussed. In conclusion, electroactive materials have attracted great attention for antiviral face masks, and this review will provide a reference for materials scientists and engineers in antiviral materials and interfaces.
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Affiliation(s)
- Shaohua Zhang
- College of Textiles and Clothing, the Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266071, People's Republic of China
| | - Na Wang
- College of Textiles and Clothing, the Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266071, People's Republic of China
- Industrial Research Institute of Nonwovens and Technical Textiles, Shandong Center for Engineered Nonwovens, Qingdao 266071, People's Republic of China
| | - Qian Zhang
- Department of Respirology, Qingdao Women and Children's Hospital, Qingdao 266034, People's Republic of China
| | - Renzheng Guan
- College of Textiles and Clothing, the Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266071, People's Republic of China
| | - Zhenghai Qu
- College of Textiles and Clothing, the Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266071, People's Republic of China
| | - Lirong Sun
- College of Textiles and Clothing, the Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266071, People's Republic of China
| | - Jiwei Li
- College of Textiles and Clothing, the Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266071, People's Republic of China
- Industrial Research Institute of Nonwovens and Technical Textiles, Shandong Center for Engineered Nonwovens, Qingdao 266071, People's Republic of China
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Natsathaporn P, Herwig G, Altenried S, Ren Q, Rossi RM, Crespy D, Itel F. Functional Fiber Membranes with Antibacterial Properties for Face Masks. ADVANCED FIBER MATERIALS 2023; 5:1-15. [PMID: 37361107 PMCID: PMC10189208 DOI: 10.1007/s42765-023-00291-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 04/09/2023] [Indexed: 06/28/2023]
Abstract
Reusable face masks are an important alternative for minimizing costs of disposable and surgical face masks during pandemics. Often complementary to washing, a prolonged lifetime of face masks relies on the incorporation of self-cleaning materials. The development of self-cleaning face mask materials requires the presence of a durable catalyst to deactivate contaminants and microbes after long-term use without reducing filtration efficiency. Herein, we generate self-cleaning fibers by functionalizing silicone-based (polydimethylsiloxane, PDMS) fibrous membranes with a photocatalyst. Coaxial electrospinning is performed to fabricate fibers with a non-crosslinked silicone core within a supporting shell scaffold, followed by thermal crosslinking and removal of the water-soluble shell. Photocatalytic zinc oxide nanoparticles (ZnO NPs) are immobilized on the PDMS fibers by colloid-electrospinning or post-functionalization procedures. The fibers functionalized with ZnO NPs can degrade a photo-sensitive dye and display antibacterial properties against Gram-positive and Gram-negative bacteria (Escherichia coli and Staphylococcus aureus) due to the generation of reactive oxygen species upon irradiation with UV light. Furthermore, a single layer of functionalized fibrous membrane shows an air permeability in the range of 80-180 L/m2s and 65% filtration efficiency against fine particulate matter with a diameter less than 1.0 µm (PM1.0). Graphical abstract Supplementary Information The online version contains supplementary material available at 10.1007/s42765-023-00291-7.
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Affiliation(s)
- Papada Natsathaporn
- Department of Materials Science and Engineering, School of Molecular Science and Engineering, Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong, 21210 Thailand
| | - Gordon Herwig
- Laboratory for Biomimetic Membranes and Textiles, Empa, Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland
| | - Stefanie Altenried
- Laboratory for Biointerfaces, Empa, Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland
| | - Qun Ren
- Laboratory for Biointerfaces, Empa, Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland
| | - René M. Rossi
- Laboratory for Biomimetic Membranes and Textiles, Empa, Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland
| | - Daniel Crespy
- Department of Materials Science and Engineering, School of Molecular Science and Engineering, Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong, 21210 Thailand
| | - Fabian Itel
- Laboratory for Biomimetic Membranes and Textiles, Empa, Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland
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