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Rastmanesh A, Boruah JS, Lee MS, Park S. On-Site Bioaerosol Sampling and Airborne Microorganism Detection Technologies. BIOSENSORS 2024; 14:122. [PMID: 38534229 DOI: 10.3390/bios14030122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 02/09/2024] [Accepted: 02/21/2024] [Indexed: 03/28/2024]
Abstract
Bioaerosols are small airborne particles composed of microbiological fragments, including bacteria, viruses, fungi, pollens, and/or by-products of cells, which may be viable or non-viable wherever applicable. Exposure to these agents can cause a variety of health issues, such as allergic and infectious diseases, neurological disorders, and cancer. Therefore, detecting and identifying bioaerosols is crucial, and bioaerosol sampling is a key step in any bioaerosol investigation. This review provides an overview of the current bioaerosol sampling methods, both passive and active, as well as their applications and limitations for rapid on-site monitoring. The challenges and trends for detecting airborne microorganisms using molecular and immunological methods are also discussed, along with a summary and outlook for the development of prompt monitoring technologies.
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Affiliation(s)
- Afagh Rastmanesh
- Complex Fluids Laboratory, School of Mechanical Engineering, Korea University of Technology and Education, Cheonan 31253, Chungnam, Republic of Korea
| | - Jayanta S Boruah
- Complex Fluids Laboratory, School of Mechanical Engineering, Korea University of Technology and Education, Cheonan 31253, Chungnam, Republic of Korea
| | - Min-Seok Lee
- Complex Fluids Laboratory, School of Mechanical Engineering, Korea University of Technology and Education, Cheonan 31253, Chungnam, Republic of Korea
| | - Seungkyung Park
- Complex Fluids Laboratory, School of Mechanical Engineering, Korea University of Technology and Education, Cheonan 31253, Chungnam, Republic of Korea
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Elbehiry A, Marzouk E, Abalkhail A, El-Garawany Y, Anagreyyah S, Alnafea Y, Almuzaini AM, Alwarhi W, Rawway M, Draz A. The Development of Technology to Prevent, Diagnose, and Manage Antimicrobial Resistance in Healthcare-Associated Infections. Vaccines (Basel) 2022; 10:2100. [PMID: 36560510 PMCID: PMC9780923 DOI: 10.3390/vaccines10122100] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 11/30/2022] [Accepted: 11/30/2022] [Indexed: 12/14/2022] Open
Abstract
There is a growing risk of antimicrobial resistance (AMR) having an adverse effect on the healthcare system, which results in higher healthcare costs, failed treatments and a higher death rate. A quick diagnostic test that can spot infections resistant to antibiotics is essential for antimicrobial stewardship so physicians and other healthcare professionals can begin treatment as soon as possible. Since the development of antibiotics in the last two decades, traditional, standard antimicrobial treatments have failed to treat healthcare-associated infections (HAIs). These results have led to the development of a variety of cutting-edge alternative methods to combat multidrug-resistant pathogens in healthcare settings. Here, we provide an overview of AMR as well as the technologies being developed to prevent, diagnose, and control healthcare-associated infections (HAIs). As a result of better cleaning and hygiene practices, resistance to bacteria can be reduced, and new, quick, and accurate instruments for diagnosing HAIs must be developed. In addition, we need to explore new therapeutic approaches to combat diseases caused by resistant bacteria. In conclusion, current infection control technologies will be crucial to managing multidrug-resistant infections effectively. As a result of vaccination, antibiotic usage will decrease and new resistance mechanisms will not develop.
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Affiliation(s)
- Ayman Elbehiry
- Department of Public Health, College of Public Health and Health Informatics, Qassim University, Al Bukayriyah 52741, Saudi Arabia
- Department of Bacteriology, Mycology and Immunology, Faculty of Veterinary Medicine, University of Sadat City, Sadat City 32511, Egypt
| | - Eman Marzouk
- Department of Public Health, College of Public Health and Health Informatics, Qassim University, Al Bukayriyah 52741, Saudi Arabia
| | - Adil Abalkhail
- Department of Public Health, College of Public Health and Health Informatics, Qassim University, Al Bukayriyah 52741, Saudi Arabia
| | - Yasmine El-Garawany
- Clinical Pharmacy Program, Faculty of Pharmacy, Alexandria University, Alexandria 21521, Egypt
| | - Sulaiman Anagreyyah
- Department of Preventive Medicine, King Fahad Armed Hospital, Jeddah 23311, Saudi Arabia
| | - Yaser Alnafea
- Department of Statistics, King Fahad Armed Hospital, Jeddah 23311, Saudi Arabia
| | - Abdulaziz M. Almuzaini
- Department of Veterinary Medicine, College of Agriculture and Veterinary Medicine, Qassim University, Buraydah 52571, Saudi Arabia
| | - Waleed Alwarhi
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Mohammed Rawway
- Biology Department, College of Science, Jouf University, Sakaka 42421, Saudi Arabia
- Botany and Microbiology Department, Faculty of Science, Al-Azhar University, Assiut 71524, Egypt
| | - Abdelmaged Draz
- Department of Veterinary Medicine, College of Agriculture and Veterinary Medicine, Qassim University, Buraydah 52571, Saudi Arabia
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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: 0] [Impact Index Per Article: 0] [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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Environmental Factors Affecting Diversity, Structure, and Temporal Variation of Airborne Fungal Communities in a Research and Teaching Building of Tianjin University, China. J Fungi (Basel) 2022; 8:jof8050431. [PMID: 35628687 PMCID: PMC9144611 DOI: 10.3390/jof8050431] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 04/20/2022] [Accepted: 04/20/2022] [Indexed: 01/27/2023] Open
Abstract
Airborne fungi are widely distributed in the environment and may have adverse effects on human health. A 12-month survey on the diversity and concentration of culturable airborne fungi was carried out in a research and teaching building of Tianjin University. Indoor and outdoor environments were analyzed using an HAS-100B air sampler. A total of 667 fungal strains, belonging to 160 species and 73 genera were isolated and identified based on morphological and molecular analysis. The most abundant fungal genera were Alternaria (38.57%), Cladosporium (21.49%), and Aspergillus (5.34%), while the most frequently appearing species was A. alternata (21%), followed by A. tenuissima (12.4%), and C. cladosporioides (9.3%). The concentration of fungi in different environments ranged from 0 to 150 CFU/m3 and was significantly higher outdoor than indoor. Temperature and sampling month were significant factors influencing the whole building fungal community, while relative humidity and wind speed were highly correlated with fungal composition outdoor. Variations in the relative abundance of major airborne fungal taxa at different heights above-ground could lead to different community structures at different floors. Our results may provide valuable information for air quality monitoring and microbial pollution control in university building environments.
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Swolana D, Wojtyczka RD. Activity of Silver Nanoparticles against Staphylococcus spp. Int J Mol Sci 2022; 23:ijms23084298. [PMID: 35457115 PMCID: PMC9028791 DOI: 10.3390/ijms23084298] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 04/11/2022] [Accepted: 04/12/2022] [Indexed: 12/20/2022] Open
Abstract
Staphylococcus epidermidis is a bacterium that is part of the human microbiota. It is most abundant on the skin, in the respiratory system and in the human digestive tract. Also, Staphylococcus aureus contributes to human infections and has a high mortality rate. Both of these bacterial species produce biofilm, a pathogenic factor increasing their resistance to antibiotics. For this reason, we are looking for new substances that can neutralize bacterial cells. One of the best-known substances with such effects are silver nanoparticles. They exhibited antibacterial and antibiofilm formation activity that depended on their size, shape and the concentration used. In this review, we presented the data related to the use of silver nanoparticles in counteracting bacterial growth and biofilm formation published in scientific papers between 2017 and 2021. Based on the review of experimental results, the properties of nanoparticles prompt the expansion of research on their activity.
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Abstract
Air pollution has been a recurring problem in northern Chinese cities, and high concentrations of PM2.5 in winter have been a particular cause for concern. Secondary aerosols converted from precursor gases (i.e., nitrogen oxides and volatile organic compounds) evidently account for a large fraction of the PM2.5. Conventional control methods, such as dust removal, desulfurization, and denitrification, help reduce emissions from stationary combustion sources, but these measures have not led to decreases in haze events. Recent advances in nanomaterials and nanotechnology provide new opportunities for removing fine particles and gaseous pollutants from ambient air and reducing the impacts on human health. This review begins with overviews of air pollution and traditional abatement technologies, and then advances in ambient air purification by nanotechnologies, including filtration, adsorption, photocatalysis, and ambient-temperature catalysis are presented—from fundamental principles to applications. Current state-of-the-art developments in the use of nanomaterials for particle removal, gas adsorption, and catalysis are summarized, and practical applications of catalysis-based techniques for air purification by nanomaterials in indoor, semi-enclosed, and open spaces are highlighted. Finally, we propose future directions for the development of novel disinfectant nanomaterials and the construction of advanced air purification devices.
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Avershina E, Shapovalova V, Shipulin G. Fighting Antibiotic Resistance in Hospital-Acquired Infections: Current State and Emerging Technologies in Disease Prevention, Diagnostics and Therapy. Front Microbiol 2021; 12:707330. [PMID: 34367112 PMCID: PMC8334188 DOI: 10.3389/fmicb.2021.707330] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Accepted: 06/29/2021] [Indexed: 12/20/2022] Open
Abstract
Rising antibiotic resistance is a global threat that is projected to cause more deaths than all cancers combined by 2050. In this review, we set to summarize the current state of antibiotic resistance, and to give an overview of the emerging technologies aimed to escape the pre-antibiotic era recurrence. We conducted a comprehensive literature survey of >150 original research and review articles indexed in the Web of Science using "antimicrobial resistance," "diagnostics," "therapeutics," "disinfection," "nosocomial infections," "ESKAPE pathogens" as key words. We discuss the impact of nosocomial infections on the spread of multi-drug resistant bacteria, give an overview over existing and developing strategies for faster diagnostics of infectious diseases, review current and novel approaches in therapy of infectious diseases, and finally discuss strategies for hospital disinfection to prevent MDR bacteria spread.
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Affiliation(s)
- Ekaterina Avershina
- Department of Biotechnology, Inland Norway University of Applied Sciences, Hamar, Norway
- Laboratory or Postgenomic Technologies, Izmerov Research Institute of Occupational Health, Moscow, Russia
| | - Valeria Shapovalova
- Federal State Budgetary Institution “Centre for Strategic Planning and Management of Biomedical Health Risks” of the Federal Medical Biological Agency, Centre for Strategic Planning of FMBA of Russia, Moscow, Russia
| | - German Shipulin
- Federal State Budgetary Institution “Centre for Strategic Planning and Management of Biomedical Health Risks” of the Federal Medical Biological Agency, Centre for Strategic Planning of FMBA of Russia, Moscow, Russia
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Hsu YF, Chuang CY, Yang S. Evaluation of the Bioaerosol Inactivation Ability of Chitosan-Coated Antimicrobial Filters. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18137183. [PMID: 34281120 PMCID: PMC8297107 DOI: 10.3390/ijerph18137183] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 07/01/2021] [Accepted: 07/02/2021] [Indexed: 11/16/2022]
Abstract
This work considers the enhancement of indoor bioaerosol removal efficiency by liquid coating of the antimicrobial agent chitosan onto polypropylene fibrous filters (CCFs). Escherichia coli (E. coli) and Bacillus subtilis (B. subtilis) were chosen as the tested bioaerosols. The results revealed that 2.5% (w/w) of CCFs have significantly higher bioaerosol survival capability (23% and 34% of E. coli and B. subtilis, respectively), compared to an untreated filter (65% and 64% for E. coli and B. subtilis, respectively). Increasing face velocity and relative humidity during operating CCFs could reduce the bioaerosol removal capability. The regression analysis of the experimental findings demonstrated that the higher coating concentration of chitosan had the most positive influence on bioaerosol removal, while the face velocity and relative humidity had a negative influence, but a milder effect was observed (R2 = 0.83 and 0.81 for E. coli and B. subtilis bioaerosols, respectively). A CCF-loaded air-cleaning device was tested in a real indoor environment and resulted in 80.1% bioaerosol removal within 3 h of operating, which suggests that the chitosan-coated filter has the potential for further application in improving indoor air quality in the future.
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Affiliation(s)
- Ying-Fang Hsu
- Environmental Sustainability Lab, Center for General Education, CTBC Business School, No. 600, Section 3, Taijiang Boulevard, Annan District, Tainan 709, Taiwan;
| | - Chi-Yu Chuang
- Department of Occupational Safety and Health, Chang Jung Christian University, No. 1, Changda Road., Gueiren District, Tainan City 711, Taiwan
- Correspondence: (C.-Y.C.); (S.Y.); Tel.: +886-6-2785123-7503 (C.-Y.C.); +886-6-2873198 (S.Y.)
| | - Shinhao Yang
- Environmental Sustainability Lab, Center for General Education, CTBC Business School, No. 600, Section 3, Taijiang Boulevard, Annan District, Tainan 709, Taiwan;
- Correspondence: (C.-Y.C.); (S.Y.); Tel.: +886-6-2785123-7503 (C.-Y.C.); +886-6-2873198 (S.Y.)
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Wang IJ, Chen YC, Su C, Tsai MH, Shen WT, Bai CH, Yu KP. Effectiveness of the Nanosilver/TiO 2-Chitosan Antiviral Filter on the Removal of Viral Aerosols. J Aerosol Med Pulm Drug Deliv 2021; 34:293-302. [PMID: 33761275 DOI: 10.1089/jamp.2020.1607] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Background: The precaution of airborne transmission of viruses, such as influenza, SARS, MERS, and COVID-19, is essential for reducing infection. In this study, we applied a zero-valent nanosilver/titania-chitosan (nano-Ag0/TiO2-CS) filter bed, whose broad-spectrum antimicrobial efficacy has been proven previously, for the removal of viral aerosols to minimize the risk of airborne transmission. Methods: The photochemical deposition method was used to synthesize the nano-Ag0/TiO2-CS antiviral material. The surface morphology, elemental composition, and microstructure of the nano-Ag0/TiO2-CS were analyzed by a scanning electron microscopy/energy dispersive X-ray spectroscopy and a transmission electron microscopy, respectively. The MS2 bacteriophages were used as surrogate viral aerosols. The antiviral efficacy of nano-Ag0/TiO2-CS was evaluated by the MS2 plaque reduction assay (PRA) and filtration experiments. In the filtration experiments, the MS2 aerosols passed through the nano-Ag0/TiO2-CS filter, and the MS2 aerosol removal efficiency was evaluated by an optical particle counter and culture method. Results and Conclusions: In the MS2 PRA, 3 g of nano-Ag0/TiO2-CS inactivated 97% of MS2 bacteriophages in 20 mL liquid culture (2 ± 0.5 × 1016 PFU/mL) within 2 hours. The removal efficiency of nano-Ag0/TiO2-CS filter (thickness: 6 cm) for MS2 aerosols reached up to 93%. Over 95% of MS2 bacteriophages on the surface of the nano-Ag0/TiO2-CS filter were inactivated within 20 minutes. The Wells-Riley model predicted that when the nano-Ag0/TiO2-CS filter was used in the ventilation system, airborne infection probability would reduce from 99% to 34.6%. The nano-Ag0/TiO2-CS filter could remain at 50% of its original antiviral efficiency after continuous operation for 1 week, indicating its feasibility for the control of the airborne transmission.
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Affiliation(s)
- I-Jen Wang
- Institute of Environmental and Occupational Health Sciences, National Yang Ming Chiao Tung University, Taipei City, Taiwan (ROC).,Department of Pediatrics, Taipei Hospital, Ministry of Health and Welfare, New Taipei City, Taiwan (ROC).,School of Medicine, National Yang Ming Chiao Tung University, Taipei 112, Taiwan.,College of Public Health, China Medical University, Taichung 40402, Taiwan.,National Institute of Environmental Health Sciences, National Health Research Institutes, Miaoli, Taiwan
| | - Yen-Chi Chen
- Institute of Environmental and Occupational Health Sciences, National Yang Ming Chiao Tung University, Taipei City, Taiwan (ROC)
| | - Chien Su
- Institute of Environmental and Occupational Health Sciences, National Yang Ming Chiao Tung University, Taipei City, Taiwan (ROC)
| | - Ming-Hsuan Tsai
- Institute of Environmental and Occupational Health Sciences, National Yang Ming Chiao Tung University, Taipei City, Taiwan (ROC)
| | - Wan-Tien Shen
- Institute of Environmental and Occupational Health Sciences, National Yang Ming Chiao Tung University, Taipei City, Taiwan (ROC)
| | - Chun-Hsuan Bai
- Institute of Environmental and Occupational Health Sciences, National Yang Ming Chiao Tung University, Taipei City, Taiwan (ROC)
| | - Kuo-Pin Yu
- Institute of Environmental and Occupational Health Sciences, National Yang Ming Chiao Tung University, Taipei City, Taiwan (ROC)
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