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Li J, Wang X, Wang H, Ran P, Liu Y, Wang J, Xu X, Zhou Z. Regulating molecular brush structure on cotton textiles for efficient antibacterial properties. Int J Biol Macromol 2024; 267:131486. [PMID: 38604420 DOI: 10.1016/j.ijbiomac.2024.131486] [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: 01/10/2024] [Revised: 04/01/2024] [Accepted: 04/07/2024] [Indexed: 04/13/2024]
Abstract
The molecular brush structures have been developed on cotton textiles for long-term and efficient broad-spectrum antimicrobial performances through the cooperation of alkyl-chain and quaternary ammonium sites. Results show that efficient antibacterial performances can be achieved by the regulation of the alkyl chain length and quaternary ammonium sites. The antibacterial efficiency of the optimized molecular brush structure of [3-(N,N-Dimethylamino)propyl]trimethoxysilane with cetyl modification on cotton textiles (CT-DM-16) can reach more than 99 % against both E. coli and S. aureus. Alkyl-chain grafting displayed significantly improvement in the antibacterial activity against S. aureus with (N,N-Diethyl-3-aminopropyl)trimethoxysilane modification on cotton textiles (CT-DE) based materials. The positive N sites and alkyl chains played important roles in the antibacterial process. Proteomic analysis reveals that the contributions of cytoskeleton and membrane-enclosed lumen in differentially expressed proteins have been increased for the S. aureus antibacterial process, confirming the promoted puncture capacity with alkyl-chain grafting. Theoretical calculations indicate that the positive charge of N sites can be enhanced through alkyl-chain grafting, and the possible distortion of the brush structure in application can further increase the positive charge of N sites. Uncovering the regulation mechanism is considered to be important guidance to develop novel and practical antibacterial materials.
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Affiliation(s)
- Jie Li
- School of Chemistry, Key Laboratory of Advanced Technologies of Materials (Ministry of Education), Southwest Jiaotong University, Chengdu 610031, China; Research Institute of Frontier Science, Southwest Jiaotong University, Chengdu 610031, China
| | - Xin Wang
- Research Institute of Frontier Science, Southwest Jiaotong University, Chengdu 610031, China.
| | - Hui Wang
- MOE Key Laboratory of Thermo-Fluid Science and Engineering, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China.
| | - Pan Ran
- School of Bioscience and Technology, Chengdu Medical College, Chengdu 610500, China
| | - Yazhou Liu
- School of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Jiahao Wang
- School of Chemistry, Key Laboratory of Advanced Technologies of Materials (Ministry of Education), Southwest Jiaotong University, Chengdu 610031, China
| | - Xiaoling Xu
- School of Chemistry, Key Laboratory of Advanced Technologies of Materials (Ministry of Education), Southwest Jiaotong University, Chengdu 610031, China
| | - Zuowan Zhou
- School of Chemistry, Key Laboratory of Advanced Technologies of Materials (Ministry of Education), Southwest Jiaotong University, Chengdu 610031, China.
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Hassan MM, Gupta T. Colour and surface functional properties of wool fabrics coated with gallnut, feijoa skin, and mango seed kernel tannin-stabilised Ag nanoparticles. RSC Adv 2024; 14:9678-9690. [PMID: 38525064 PMCID: PMC10958619 DOI: 10.1039/d4ra00367e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Accepted: 03/16/2024] [Indexed: 03/26/2024] Open
Abstract
In the textile industry, textile materials are dyed and multi-functionalised by multi-step treatments that considerably increase the environmental impacts by increasing water and energy usage along with increasing the generation of volume of effluent. In this work, Ag nanoparticles (Ag NPs) were in situ formed and stabilised with gallnut, feijoa fruit skin, and mango seed kernel-derived tannins, and wool fabrics were coated simultaneously with these Ag NPs in the same bath. The Ag NP treatment produced dark to light olive-brown shades on wool fabrics. The treatment conditions for the treatment with Ag NPs were optimised to achieve the best results. The colour intensity, UV radiation absorption, antibacterial activity, surface electrical resistance, and durability of the treatment to washing were assessed by various methods. The gallnut-derived tannin (GNT)-stabilised Ag NP-coated wool fabrics showed overall the best results including excellent antibacterial activity against various types of bacteria. The treatment was durable to at least 20 cycles of IWS 7A washes (equivalent to 80 domestic washes). For the 0.5% Ag NPs on the weight of fibre (owf) dosage, the UV light transmission through the trisodium citrate-stabilised Ag NP-coated fabric at 365 and 311 nm was 6.37 and 0.95% respectively, which reduced to 1.63 and 0.20% for the fabric coated with GNT-stabilised Ag NPs providing excellent protection against UV radiation. The surface resistivity of wool fabric reduced from 1.1 × 1012 ohm cm-1 for the untreated fabric to 1.1 × 109 ohm cm-1 for the fabric coated with 2.0% owf GNT-stabilised Ag NPs. The stabilisation of Ag NPs with GNT prolonged the wash-durability by reducing the leaching of Ag NPs from the treated fabric. The developed method could be a sustainable alternative to traditional multi-stage treatments conducted in the textile industry with toxic synthetic dyes and finishing agents for the colouration and multifunctionalisation of wool fabrics.
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Affiliation(s)
- Mohammad Mahbubul Hassan
- Bioproduct and Fibre Technology Team, AgResearch Limited 1365 Springs Road, Lincoln Christchurch 7674 New Zealand
- Fashion, Textiles, and Technology Institute (FTTI), University of the Arts London 105 Carpenter's Road London E20 2AR UK
| | - Tanushree Gupta
- Food System Integrity Team, AgResearch Limited, Hopkirk Research Centre, University Drive Palmerston North New Zealand
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Li C, Zhong H, Liu G, Liu D, Wu M, Lam SS, Sonne C. Man-made reactive oxygen species as green disinfectants. ECO-ENVIRONMENT & HEALTH (ONLINE) 2023; 2:243-245. [PMID: 38435354 PMCID: PMC10902503 DOI: 10.1016/j.eehl.2023.05.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 04/27/2023] [Accepted: 05/03/2023] [Indexed: 03/05/2024]
Abstract
Image 1.
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Affiliation(s)
- Chengjun Li
- Institute of Environmental Research at Greater Bay Area, Guangzhou University, Guangzhou 510006, China
| | - Huan Zhong
- School of Environment, Nanjing University, Nanjing 210023, China
- Environmental and Life Sciences Program (EnLS), Trent University, Peterborough, Ontario, Canada
| | - Guorui Liu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Di Liu
- CAS Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan 430071, China
| | - Mengjie Wu
- School of Environment, Nanjing University, Nanjing 210023, China
| | - Su Shiung Lam
- Higher Institution Centre of Excellence (HICoE), Institute of Tropical Aquaculture and Fisheries (AKUATROP), Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia
- University Centre for Research and Development, Department of Chemistry, Chandigarh University, Gharuan, Mohali, Punjab, India
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Liu C, Huang Z, Zhu J, Liu X, Zhu B, Zheng D, Yang B, Tao R, Cai C, Chen X, Liu J, Deng Z. Near-ultraviolet irradiation to stimulate unmodified polyether ether ketone to achieve stable and sustainable antibacterial activity. Colloids Surf B Biointerfaces 2023; 229:113441. [PMID: 37422990 DOI: 10.1016/j.colsurfb.2023.113441] [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: 04/21/2023] [Revised: 07/02/2023] [Accepted: 07/03/2023] [Indexed: 07/11/2023]
Abstract
OBJECTIVES This study aims to investigate the cytotoxicity and sustainable antibacterial activity of unmodified PEEK under specific wavelength light treatment (365 nm), and its antibacterial mechanism was also preliminarily discussed. METHODS A near-ultraviolet source with a wavelength of 365 nm and a power of 5 W were selected. The irradiation time was 30 min, and the distance was 100 mm. A water contact angle tester was used to characterize the surface of the PEEK after 1-15 light treatments. MC3TC-E1 cells were used to evaluate the cytotoxicity of the materials under light treatment. Five kinds of common oral bacteria were detected in vitro, and antibacterial efficiency was determined by colony-forming unit (CFU) and scanning electron microscope (SEM). The antibacterial mechanism of PEEK under light was preliminarily discussed by spectrophotometry. The membrane rupture of Staphylococcus aureus and Escherichia coli was detected by lactate dehydrogenase. Staphylococcus aureus and Staphylococcus mutans were selected for the cyclic antibacterial test. Statistical analysis was performed by one-way analysis of variance and Tukey multiple range test. A significance level of 0.05 was considered (α = 0.05). RESULTS The results of the cell experiment showed that PEEK had no cytotoxicity (P > 0.05). CFU results showed that PEEK had an obvious antibacterial effect on Staphylococcus aureus, Staphylococcus mutans, Staphylococcus gordonii and Staphylococcus sanguis, but had no antibacterial effect on Escherichia coli (P < 0.05). The SEM results also verified the above antibacterial effect. The existence of singlet oxygen was confirmed by spectrophotometry. Meanwhile, the rupture of Staphylococcus aureus membrane was verified by lactate dehydrogenase assay. The water contact angle of the PEEK surface did not change significantly after 15 cycles of light treatment. Cyclic antibacterial experiments showed that the antibacterial effect was sustainable. CONCLUSIONS This study showed that PEEK has good cytocompatibility with stable and sustainable antibacterial properties under near-ultraviolet. It provides a new idea to solve the non-antibacterial property of PEEK, and also provides a theoretical basis for its further application in dentistry.
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Affiliation(s)
- Chongxing Liu
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou 325000, China
| | - Zhuo Huang
- Department of Stomatology, Shaoxing Hospital of Traditional Chinese Medicine, Shaoxing TCM Hospital Affiliated to Zhejiang Chinese Medical University, Shaoxing 312000, China
| | - Jinlei Zhu
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou 325000, China
| | - Xiangzhi Liu
- Clinical medical college of Tianjin medical university, Tianjin 300010, China
| | - Bingbing Zhu
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou 325000, China
| | - Dongyang Zheng
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou 325000, China
| | - Bingqian Yang
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou 325000, China
| | - Ran Tao
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou 325000, China
| | - Chenxi Cai
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou 325000, China
| | - Xiao Chen
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou 325000, China
| | - Jinsong Liu
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou 325000, China.
| | - Zhennan Deng
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou 325000, China.
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Chen J, Shan M, Zhu H, Zhang S, Li J, Li L. Antimicrobial properties of heterojunction BiSnSbO 6-ZnO composites in wastewater treatment. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:55498-55512. [PMID: 36892696 DOI: 10.1007/s11356-023-25934-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 11/01/2022] [Indexed: 06/18/2023]
Abstract
BiSnSbO6-ZnO composite photocatalytic material with type II heterojunction structure was synthesized by a simple solid-phase sintering method, it was characterized by XRD, UV-vis, and PT methods. The photocatalytic antibacterial experiments were carried out under LED light irradiation. The experimental results showed that the photocatalytic antibacterial properties of BiSnSbO6-ZnO composites against bacteria and fungi were significantly stronger than those of single BiSnSbO6 and ZnO. Under light conditions, the antibacterial efficiencies of 500 mg/L BiSnSbO6-ZnO composites against E. coli, S. aureus, and P. aeruginosa reached 99.63%, 100%, and 100% for 6 h, 4 h, and 4 h, respectively. The best antibacterial concentration of BiSnSbO6-ZnO composite against the eukaryotic microorganism Candida albicans was 250 mg/L, and the antibacterial efficiency reached the highest 63.8% at 6 h. Antibacterial experiments were carried out on domestic livestock and poultry wastewater, which showed that the BiSnSbO6-ZnO composite photocatalytic material has broad-spectrum antibacterial activity against bacteria, and the antibacterial effect has species differences. Through the MTT experiment, it is proved that the prepared BiSnSbO6-ZnO composite photocatalytic material has no toxicity at the experimental concentration. According to the free radical scavenging experiment and SEM observation of the morphological changes of the bacteria after light treatment, the prepared BiSnSbO6-ZnO composite photocatalytic material can generate active species OH, h+, and e- through light irradiation to achieve the purpose of sterilization, where e- play a major role, indicating that the BiSnSbO6-ZnO composite photocatalytic material has broad application prospects in the actual antibacterial field.
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Affiliation(s)
- Jing Chen
- School of Life Science and Technology, Changchun University of Science and Technology, Changchun, 130022, China
| | - Mengde Shan
- School of Life Science and Technology, Changchun University of Science and Technology, Changchun, 130022, China
| | - Haojia Zhu
- School of Life Science and Technology, Changchun University of Science and Technology, Changchun, 130022, China
| | - Shichuan Zhang
- School of Life Science and Technology, Changchun University of Science and Technology, Changchun, 130022, China
| | - Jingmei Li
- School of Life Science and Technology, Changchun University of Science and Technology, Changchun, 130022, China.
| | - Leijiao Li
- School of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Changchun, 130022, China
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Yi S, Zhou Y, Zhang J, Wang M, Zheng S, Yang X, Duan L, Reis RL, Dai F, Kundu SC, Xiao B. Flat Silk Cocoon-Based Dressing: Daylight-Driven Rechargeable Antibacterial Membranes Accelerate Infected Wound Healing. Adv Healthc Mater 2022; 11:e2201397. [PMID: 35996858 DOI: 10.1002/adhm.202201397] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 08/17/2022] [Indexed: 01/28/2023]
Abstract
One of the leading causes of death globally, especially in underdeveloped countries, is bacterial infection. Recently, the prevalence of infections from antibiotic-resistant bacteria has been increasing, which makes the need for innovative antibacterial wound dressings urgent. It is reported that g-C3 N4 -based flat silk cocoons (FSCs) with rechargeable antibacterial activity can efficiently generate reactive oxygen species (ROS) under daylight irradiation. The photoactive FSCs store the ROS and then release them in the dark. The engineered FSCs exhibit integrated properties of good biocompatibility, strong mechanical characteristics, robust photoactivity with photostorability, and excellent bactericidal efficiency (99.9% contact killing). In a rat model of infected wounds, the photoactive FSCs induce faster healing and reduce bacterial infections. The successful application of these FSC materials as wound dressings may provide a versatile platform for exploring the use of green photoactive antibacterial materials for accelerated wound healing and prevention of infections.
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Affiliation(s)
- Shixiong Yi
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile and Biomass Sciences, Southwest University, Beibei, Chongqing, 400715, P. R. China
| | - Ying Zhou
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile and Biomass Sciences, Southwest University, Beibei, Chongqing, 400715, P. R. China
| | - Jiamei Zhang
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile and Biomass Sciences, Southwest University, Beibei, Chongqing, 400715, P. R. China
| | - Min Wang
- Chongqing Key Laboratory of Soft-Matter Material Chemistry and Function Manufacturing, Institute for Clean Energy and Advanced Materials, Faculty of Materials and Energy, Southwest University, Beibei, Chongqing, 400715, P. R. China
| | - Shaohui Zheng
- Chongqing Key Laboratory of Soft-Matter Material Chemistry and Function Manufacturing, Institute for Clean Energy and Advanced Materials, Faculty of Materials and Energy, Southwest University, Beibei, Chongqing, 400715, P. R. China
| | - Xiao Yang
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile and Biomass Sciences, Southwest University, Beibei, Chongqing, 400715, P. R. China
| | - Lian Duan
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile and Biomass Sciences, Southwest University, Beibei, Chongqing, 400715, P. R. China
| | - Rui L Reis
- 3Bs Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Barco, Guimaraes, 4805-017, Portugal
| | - Fangyin Dai
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile and Biomass Sciences, Southwest University, Beibei, Chongqing, 400715, P. R. China
| | - Subhas C Kundu
- 3Bs Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Barco, Guimaraes, 4805-017, Portugal
| | - Bo Xiao
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile and Biomass Sciences, Southwest University, Beibei, Chongqing, 400715, P. R. China
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Zhou Y, Jiang Y, Zhang Y, Tan L. Improvement of Antibacterial and Antifouling Properties of a Cellulose Acetate Membrane by Surface Grafting Quaternary Ammonium Salt. ACS APPLIED MATERIALS & INTERFACES 2022; 14:38358-38369. [PMID: 35950600 DOI: 10.1021/acsami.2c09963] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Through etherification reaction, epoxy propyl dimethyl dodecyl ammonium chloride (EPDMDAC) was grafted onto the surface of a cellulose acetate (CA) membrane to prepare a stable nonleaching antibacterial antifouling membrane (QCA-X). The results showed that with the extension of grafting reaction time, the quaternary ammonium salt groups on the membrane surface increased and the hydrophilicity was enhanced. Compared with those of the CA membrane, the filtration capacity and antifouling performance of the QCA-X membrane are improved. When the grafting time is 4 h, the water permeability and flux recovery rate of the QCA-4 membrane are increased by 139 and 21.5%, respectively. The QCA-X membrane showed excellent antibacterial performance, and the sterilization rate against S. aureus and E. coli was more than 99.99%. After four repeated antibacterial cycles, the bactericidal rates against S. aureus and E. coli were maintained at about 99.69 ± 0.02 and 99.98 ± 0.02%, respectively, with good antibacterial persistence. Moreover, the QCA-X membrane can effectively inhibit bacterial adhesion. Mild and simple EPDMDAC grafting modifications improve the antibacterial, antifouling, and antibioadhesion properties of the CA membrane, showing its application potential in long-term water treatment, especially in biofouling water treatment.
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Affiliation(s)
- Yuan Zhou
- College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China
- Research Center for Fiber Science and Engineering Technology, Yibin Institute of Industrial Technology/Sichuan University, Yibin Park, Yibin 64460, China
| | - Yuanzhang Jiang
- College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China
- Research Center for Fiber Science and Engineering Technology, Yibin Institute of Industrial Technology/Sichuan University, Yibin Park, Yibin 64460, China
| | - Yong Zhang
- College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China
- Research Center for Fiber Science and Engineering Technology, Yibin Institute of Industrial Technology/Sichuan University, Yibin Park, Yibin 64460, China
| | - Lin Tan
- College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China
- Research Center for Fiber Science and Engineering Technology, Yibin Institute of Industrial Technology/Sichuan University, Yibin Park, Yibin 64460, China
- State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
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Zhu Y, Li P, Liu C, Jia M, Luo Y, He D, Liao C, Zhang S. Azobenzene quaternary ammonium salt for photo-controlled and reusable disinfection without drug resistance. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.05.057] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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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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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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11
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Mai B, Gao Y, Li M, Jia M, Liu S, Wang X, Zhang K, Liu Q, Wang P. Tailoring the cationic lipid composition of lipo-DVDMS augments the phototherapy efficiency of burn infection. Biomater Sci 2021; 9:2053-2066. [PMID: 33470996 DOI: 10.1039/d0bm01895c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Increase in infections with Gram-negative Pseudomonas aeruginosa (P. aeruginosa) is a serious global challenge in healthcare. Sinoporphyrin sodium (DVDMS) combined with photodynamic antimicrobial chemotherapy (PACT) can effectively eradicate Gram-positive organisms. However, the poor penetration of DVDMS into the Gram-negative bacterial cell membrane and bacterial biofilm greatly limits the photo-inspired antimicrobial activity. This study optimized the cationic lipid-mediated nano-DVDMS delivery to improve the cellular uptake, and evaluated the antimicrobial efficacy of cationic DVDMS-liposome (CDL)-provoked PACT in both P. aeruginosa and its multidrug resistant strain. The results showed that the positively charged liposome modification promoted the enrichment of DVDMS in Gram-negative bacteria. CDL-PACT-produced ROS and caused bacterial death, accompanied by the decreased expression levels of virulence factor-related genes. The P. aeruginosa-infected burn model indicated satisfactory bacterial eradication and accelerated wound healing after CDL-PACT, in addition to gradually increasing bFGF, VEGF, TGF-β1 and Hyp levels and reducing TNF-α and IL-6, with no detectable side-effects. Overall, these findings provide fundamental knowledge that enables the design of feasible and efficient PACT treatments, including biophysical membrane permeabilization and photodynamic eradication, which are promising to overcome the infection and resistance of highly opportunistic Gram-negative bacteria.
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Affiliation(s)
- Bingjie Mai
- Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry, Ministry of Education, National Engineering Laboratory for Resource Developing of Endangered Chinese Crude Drugs in Northwest of China, College of Life Sciences, Shaanxi Normal University, Xi'an 710119, Shaanxi, China.
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Li S, Zhang R, Xie J, Sameen DE, Ahmed S, Dai J, Qin W, Li S, Liu Y. Electrospun antibacterial poly(vinyl alcohol)/Ag nanoparticles membrane grafted with 3,3',4,4'-benzophenone tetracarboxylic acid for efficient air filtration. APPLIED SURFACE SCIENCE 2020; 533:147516. [PMID: 32834268 PMCID: PMC7425774 DOI: 10.1016/j.apsusc.2020.147516] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 07/31/2020] [Accepted: 08/07/2020] [Indexed: 05/05/2023]
Abstract
In this study, poly(vinyl alcohol) (PVA) membranes containing Ag nanoparticles (AgNPs) were prepared by electrospinning and grafted copolymerization with 3,3',4,4'-benzophenone tetracarboxylic acid (BPTA) to provide better mechanical properties, lower water vapor transmittance, and higher antibacterial activity (against Staphylococcus aureus and Escherichia coli) than the PVA/AgNPs membrane. The PVA/AgNPs/BPTA membrane showed higher antibacterial activity than the other membranes, and it produced inhibition zones with diameters of 18.12 ± 0.08 and 16.41 ± 0.05 mm against S. aureus and E. coli, respectively. The PVA/AgNPs/BPTA membrane was found to be capable of promoting reactive oxygen species (ROS) formation under both light and dark conditions. Cycling experiments performed following ROS quenching showed that the best-performing composite membrane retained >70% of its original OH⋅ radical and H2O2 charging capacity after seven cycles. In the filtration test, the electrospun nanofibrous membranes showed high filtration efficiencies of 99.98% for sodium chloride (NaCl). In addition, these membranes maintained a relatively low pressure drop of 168 Pa with a basis weight of 2.1 g m-2. Thus, the PVA/AgNPs/BPTA membrane was concluded to be a promising medical protective material offering the benefits of structural stability and reusability.
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Affiliation(s)
- Siying Li
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Rong Zhang
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Junlan Xie
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Dur E Sameen
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Saeed Ahmed
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Jianwu Dai
- College of Mechanical and Electrical Engineering, Sichuan Agricultural University, Ya'an 625014, China
| | - Wen Qin
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Suqing Li
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Yaowen Liu
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
- California NanoSystems Institute, University of California, Los Angeles, CA 90095, USA
- Department of Bioengineering, University of California, Los Angeles, CA, 90095, USA
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Lin J, Wang Y, Wei X, Kong S, Liu Z, Liu J, Zhang F, Lin S, Ji B, Zhou Z, Guo Z. Controllable antibacterial and bacterially anti-adhesive surface fabricated by a bio-inspired beetle-like macromolecule. Int J Biol Macromol 2020; 157:553-560. [DOI: 10.1016/j.ijbiomac.2020.04.207] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Revised: 04/15/2020] [Accepted: 04/24/2020] [Indexed: 12/30/2022]
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Qiao Z, Yao Y, Song S, Yin M, Yang M, Yan D, Yang L, Luo J. Gold nanorods with surface charge-switchable activities for enhanced photothermal killing of bacteria and eradication of biofilm. J Mater Chem B 2020; 8:3138-3149. [DOI: 10.1039/d0tb00298d] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The gold nanorods (PCB-AuNRs) with pH induced surface charge transform activities were used for photothermal disinfection of planktonic bacteria and eradication of bacterial biofilms.
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Affiliation(s)
- Zhuangzhuang Qiao
- College of Chemistry and Environmental Protection Engineering
- Southwest Minzu University
- Chengdu 610041
- China
| | - Yan Yao
- College of Chemistry and Environmental Protection Engineering
- Southwest Minzu University
- Chengdu 610041
- China
| | - Shaomin Song
- College of Chemistry and Environmental Protection Engineering
- Southwest Minzu University
- Chengdu 610041
- China
| | - Meihui Yin
- College of Chemistry and Environmental Protection Engineering
- Southwest Minzu University
- Chengdu 610041
- China
| | - Min Yang
- College of Chemistry and Environmental Protection Engineering
- Southwest Minzu University
- Chengdu 610041
- China
| | - Daoping Yan
- College of Chemistry and Environmental Protection Engineering
- Southwest Minzu University
- Chengdu 610041
- China
| | - Lijiao Yang
- College of Chemistry and Environmental Protection Engineering
- Southwest Minzu University
- Chengdu 610041
- China
| | - Jianbin Luo
- College of Chemistry and Environmental Protection Engineering
- Southwest Minzu University
- Chengdu 610041
- China
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