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Jokar Z, Banavi N, Taghizadehfard S, Hassani F, Solimani R, Azarpira N, Dehghani H, Dezhgahi A, Sanati AM, Farjadfard S, Ramavandi B. Marine litter along the shores of the Persian Gulf, Iran. Heliyon 2024; 10:e30853. [PMID: 38765091 PMCID: PMC11101852 DOI: 10.1016/j.heliyon.2024.e30853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Revised: 04/26/2024] [Accepted: 05/07/2024] [Indexed: 05/21/2024] Open
Abstract
Plastic wastes -including cigarette butts (CBs)- are dangerous for marine ecosystems not only because they contain hazardous chemicals but also because they can finally turn into micro- or even nano-particles that may be ingested by micro- and macro-fauna. Even large pieces of plastics can trap animals. In this research, the pollution status of macroplastics (abundance, size, type, and colour) and cigarette butts (CBs, number/m2) on the northern coasts of the Persian Gulf has been investigated. A total of 19 stations were explored in Bushehr province (Iran), which covers a length equivalent to 160 km of the Persian Gulf coastline. Among the collected plastic waste (2992 items), disposable mugs were the most frequent (18 %). Plastics with sizes 5-15 cm were the most abundant, and the most common type of plastic was PET (P-value <0.05). The origin of most macroplastics was domestic (2269 items). According to the Index of Clean Coasts (ICC), most surveyed beaches were extremely dirty. The average number and density of CBs in this study were 220 and 2.45 items/m2, respectively. Household litter was the most abundant type of waste in the studied beaches, and this problem can be better managed by training and improving the waste disposal culture. In general, it is suggested that an integrated and enhanced management for fishing, sewage and surface water disposal, and sandy recreational beaches be implemented in Bushehr to control plastic waste.
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Affiliation(s)
- Zahra Jokar
- Systems Environmental Health and Energy Research Center, The Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr, 7518759577, Iran
| | - Nafiseh Banavi
- Systems Environmental Health and Energy Research Center, The Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr, 7518759577, Iran
| | - Sara Taghizadehfard
- Systems Environmental Health and Energy Research Center, The Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr, 7518759577, Iran
| | - Fatemeh Hassani
- Systems Environmental Health and Energy Research Center, The Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr, 7518759577, Iran
| | - Rezvan Solimani
- Systems Environmental Health and Energy Research Center, The Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr, 7518759577, Iran
| | - Nahid Azarpira
- Systems Environmental Health and Energy Research Center, The Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr, 7518759577, Iran
| | - Hanieh Dehghani
- Systems Environmental Health and Energy Research Center, The Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr, 7518759577, Iran
| | - Atefeh Dezhgahi
- Systems Environmental Health and Energy Research Center, The Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr, 7518759577, Iran
| | - Ali Mohammad Sanati
- Department of Environmental Science, Persian Gulf Research Institute, Persian Gulf University, Bushehr, Iran
| | - Sima Farjadfard
- Systems Environmental Health and Energy Research Center, The Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr, 7518759577, Iran
| | - Bahman Ramavandi
- Systems Environmental Health and Energy Research Center, The Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr, 7518759577, Iran
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Ccanccapa-Cartagena A, Zheng W, Circenis S, Katuwal S, Scott JW. Influence of biosolids and sewage effluent application on sitagliptin soil sorption. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 895:165080. [PMID: 37356773 DOI: 10.1016/j.scitotenv.2023.165080] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 06/19/2023] [Accepted: 06/20/2023] [Indexed: 06/27/2023]
Abstract
Biosolids and sewage effluent application to agricultural fields is becoming a win-win practice as both an economical waste management strategy and a source of nutrients and organic matter for plant growth. However, these organic wastes contain a variety of trace chemicals of environmental concern such as pharmaceuticals and personal care products (PPCPs), which may pose a risk to agricultural fields and ecosystems. This work aims to investigate the sorption of sitagliptin on four agricultural soils, evaluate the effects of biosolids and sewage effluent application, and elucidate the main sorption mechanism of the pharmaceutical on soils. The sorption study revealed that the sorption capacities of sitagliptin on different soils were positively related to the contents of soil organic matter and negatively associated with soil pH values. The application of biosolids and sewage effluent decreased the sorption capacity of sitagliptin, which may be attributed to the loading of dissolved organic matter derived from organic wastes. The Freundlich isotherm model demonstrated that the addition of biosolids from 0 to 100 % (W/W) consistently decreased the sorption affinity (Kf) of sitagliptin from 1.69 × 102 to 3.82 × 101 mg(1-n) Ln kg-1. Sewage application at 0, 10, 50, and 100 % (V/V) also reduced the Kf values from 1.69 × 102 to 9.17 × 101 mg(1-n) Ln kg-1. Attenuated Total Reflection (ATR)-Infrared (IR) spectroscopy analyses suggested that electrostatic interactions between carbonyl and amino groups of sitagliptin and the negatively charged soil surface are the main sorption mechanisms. In a co-solute system, the sorption affinity of sitagliptin on the soil decreased with increasing metformin concentrations, suggesting that competitive sorption may reduce the sorption capacity of individual contaminants in soil systems containing multiple PPCPs.
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Affiliation(s)
- Alexander Ccanccapa-Cartagena
- Illinois Sustainable Technology Center, University of Illinois at Urbana-Champaign, 1 Hazelwood Drive, Champaign, IL 61820, United States.
| | - Wei Zheng
- Illinois Sustainable Technology Center, University of Illinois at Urbana-Champaign, 1 Hazelwood Drive, Champaign, IL 61820, United States
| | - Sophie Circenis
- Illinois Sustainable Technology Center, University of Illinois at Urbana-Champaign, 1 Hazelwood Drive, Champaign, IL 61820, United States
| | - Sarmila Katuwal
- Illinois Sustainable Technology Center, University of Illinois at Urbana-Champaign, 1 Hazelwood Drive, Champaign, IL 61820, United States
| | - John W Scott
- Illinois Sustainable Technology Center, University of Illinois at Urbana-Champaign, 1 Hazelwood Drive, Champaign, IL 61820, United States
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3
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Emenike EC, Okorie CJ, Ojeyemi T, Egbemhenghe A, Iwuozor KO, Saliu OD, Okoro HK, Adeniyi AG. From oceans to dinner plates: The impact of microplastics on human health. Heliyon 2023; 9:e20440. [PMID: 37790970 PMCID: PMC10543225 DOI: 10.1016/j.heliyon.2023.e20440] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 09/25/2023] [Accepted: 09/25/2023] [Indexed: 10/05/2023] Open
Abstract
Microplastics, measuring less than 5 mm in diameter, are now found in various environmental media, including soil, water, and air, and have infiltrated the food chain, ultimately becoming a part of the human diet. This study offers a comprehensive examination of the intricate nexus between microplastics and human health, thereby contributing to the existing knowledge on the subject. Sources of microplastics, including microfibers from textiles, personal care products, and wastewater treatment plants, among others, were assessed. The study meticulously examined the diverse routes of microplastic exposure-ingestion, inhalation, and dermal contact-offering insights into the associated health risks. Notably, ingestion of microplastics has been linked to gastrointestinal disturbances, endocrine disruption, and the potential transmission of pathogenic bacteria. Inhalation of airborne microplastics emerges as a critical concern, with possible implications for respiratory and cardiovascular health. Dermal contact, although less explored, raises the prospect of skin irritation and allergic reactions. The impacts of COVID-19 on microplastic pollution were also highlighted. Throughout the manuscript, the need for a deeper mechanistic understanding of microplastic interactions with human systems is emphasized, underscoring the urgency for further research and public awareness.
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Affiliation(s)
- Ebuka Chizitere Emenike
- Department of Pure and Industrial Chemistry, Nnamdi Azikiwe University, P. M. B. 5025, Awka, Nigeria
| | - Chika J. Okorie
- Department of Pure and Industrial Chemistry, Nnamdi Azikiwe University, P. M. B. 5025, Awka, Nigeria
| | - Toluwalase Ojeyemi
- Department of Environmental Toxicology, Texas Tech University, USA
- Department of Crop Protection and Environmental Biology, University of Ibadan, Ibadan, Nigeria
| | - Abel Egbemhenghe
- Department of Chemistry and Biochemistry, College of Art and Science, Texas Tech University, USA
- Department of Chemistry, Lagos State University, Ojo, Lagos, Nigeria
| | - Kingsley O. Iwuozor
- Department of Pure and Industrial Chemistry, Nnamdi Azikiwe University, P. M. B. 5025, Awka, Nigeria
| | - Oluwaseyi D. Saliu
- Department of Indutrial Chemistry, University of Ilorin, P. M. B. 1515, Ilorin, Nigeria
| | - Hussein K. Okoro
- Department of Indutrial Chemistry, University of Ilorin, P. M. B. 1515, Ilorin, Nigeria
| | - Adewale George Adeniyi
- Department of Chemical Engineering, University of Ilorin, P. M. B. 1515, Ilorin, Nigeria
- Department of Chemical Engineering, College of Engineering and Technology, Landmark University, Omu-aran, Nigeria
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El-Seedi HR, Said NS, Yosri N, Hawash HB, El-Sherif DM, Abouzid M, Abdel-Daim MM, Yaseen M, Omar H, Shou Q, Attia NF, Zou X, Guo Z, Khalifa SA. Gelatin nanofibers: Recent insights in synthesis, bio-medical applications and limitations. Heliyon 2023; 9:e16228. [PMID: 37234631 PMCID: PMC10205520 DOI: 10.1016/j.heliyon.2023.e16228] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 05/05/2023] [Accepted: 05/10/2023] [Indexed: 05/28/2023] Open
Abstract
The use of gelatin and gelatin-blend polymers as environmentally safe polymers to synthesis electrospun nanofibers, has caused a revolution in the biomedical field. The development of efficient nanofibers has played a significant role in drug delivery, and for use in advanced scaffolds in regenerative medicine. Gelatin is an exceptional biopolymer, which is highly versatile, despite variations in the processing technology. The electrospinning process is an efficient technique for the manufacture of gelatin electrospun nanofibers (GNFs), as it is simple, efficient, and cost-effective. GNFs have higher porosity with large surface area and biocompatibility, despite that there are some drawbacks. These drawbacks include rapid degradation, poor mechanical strength, and complete dissolution, which limits the use of gelatin electrospun nanofibers in this form for biomedicine. Thus, these fibers need to be cross-linked, in order to control its solubility. This modification caused an improvement in the biological properties of GNFs, which made them suitable candidates for various biomedical applications, such as wound healing, drug delivery, bone regeneration, tubular scaffolding, skin, nerve, kidney, and cardiac tissue engineering. In this review an outline of electrospinning is shown with critical summary of literature evaluated with respect to the various applications of nanofibers-derived gelatin.
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Affiliation(s)
- Hesham R. El-Seedi
- International Research Center for Food Nutrition and Safety, Jiangsu University, Zhenjiang, 212013, China
- International Joint Research Laboratory of Intelligent Agriculture and Agri-products Processing, Jiangsu Education Department, Zhenjiang 212013, China
- Department of Chemistry, Faculty of Science, Menoufia University, Shebin El-Kom 32512, Egypt
| | - Noha S. Said
- Department of Chemistry, Faculty of Science, Menoufia University, Shebin El-Kom 32512, Egypt
| | - Nermeen Yosri
- Chemistry Department of Medicinal and Aromatic Plants, Research Institute of Medicinal and Aromatic Plants (RIMAP), Beni-Suef University, Beni-Suef 62514, Egypt
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Hamada B. Hawash
- Environmental Division, National Institute of Oceanography and Fisheries, NIOF, Cairo, Egypt
| | - Dina M. El-Sherif
- National Institute of Oceanography and Fisheries, NIOF, Cairo, Egypt
| | - Mohamed Abouzid
- Department of Physical Pharmacy and Pharmacokinetics, Faculty of Pharmacy, Poznan University of Medical Sciences, Poznan, Poland
| | - Mohamed M. Abdel-Daim
- Department of Pharmaceutical Sciences, Pharmacy Program, Batterjee Medical College, P.O. Box 6231 Jeddah 21442, Saudi Arabia
- Pharmacology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia 41522, Egypt
| | - Mohammed Yaseen
- School of Computing, Engineering & Physical Sciences, University of the West of Scotland, Paisley PA1 2BE, UK
| | - Hany Omar
- Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah 27272, United Arab Emirates
| | - Qiyang Shou
- Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, China
| | - Nour F. Attia
- Gas Analysis and Fire Safety Laboratory, Chemistry Division, National Institute of Standards, 136, Giza 12211, Egypt
| | - Xiaobo Zou
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Zhiming Guo
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Shaden A.M. Khalifa
- Psychiatry and Psychology Department, Capio Saint Göran's Hospital, Sankt Göransplan 1, 112 19 Stockholm, Sweden
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Khan MT, Shah IA, Hossain MF, Akther N, Zhou Y, Khan MS, Al-Shaeli M, Bacha MS, Ihsanullah I. Personal protective equipment (PPE) disposal during COVID-19: An emerging source of microplastic and microfiber pollution in the environment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 860:160322. [PMID: 36414071 PMCID: PMC9675081 DOI: 10.1016/j.scitotenv.2022.160322] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Revised: 11/13/2022] [Accepted: 11/16/2022] [Indexed: 05/29/2023]
Abstract
Waste generated by healthcare facilities during the COVID-19 pandemic has become a new source of pollution, particularly with the widespread use of single-use personal protective equipment (PPE). Releasing microplastics (MPs) and microfibers (MFs) from discarded PPE becomes an emerging threat to environmental sustainability. MPs/MFs have recently been reported in a variety of aquatic and terrestrial ecosystems, including water, deep-sea sediments, air, and soil. As COVID-19 spreads, the use of plastic-made PPE in healthcare facilities has increased significantly worldwide, resulting in massive amounts of plastic waste entering the terrestrial and marine environments. High loads of MPs/MFs emitted into the environment due to excessive PPE consumption are easily consumed by aquatic organisms, disrupting the food chain, and potentially causing chronic health problems in humans. Thus, proper management of PPE waste is critical for ensuring a post-COVID sustainable environment, which has recently attracted the attention of the scientific community. The current study aims to review the global consumption and sustainable management of discarded PPE in the context of COVID-19. The severe impacts of PPE-emitted MPs/MFs on human health and other environmental segments are briefly addressed. Despite extensive research progress in the area, many questions about MP/MF contamination in the context of COVID-19 remain unanswered. Therefore, in response to the post-COVID environmental remediation concerns, future research directions and recommendations are highlighted considering the current MP/MF research progress from COVID-related PPE waste.
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Affiliation(s)
- Muhammad Tariq Khan
- Department of Science and Environmental Studies, The Education University of Hong Kong, Tai po New Territories, Hong Kong
| | - Izaz Ali Shah
- State Key Joint Laboratory of Environmental Simulation and Pollution Control, School of Environment, Beijing Normal University, No. 19, Xinjiekouwai Street, Beijing 100875, China
| | - Md Faysal Hossain
- Department of Science and Environmental Studies, The Education University of Hong Kong, Tai po New Territories, Hong Kong; State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, No. 130, Meilong Road, Shanghai 200237, China
| | - Nasrin Akther
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, No. 130, Meilong Road, Shanghai 200237, China; Department of Soil Science, University of Chittagong, Chittagong 4331, Bangladesh
| | - Yanbo Zhou
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, No. 130, Meilong Road, Shanghai 200237, China
| | | | - Muayad Al-Shaeli
- Institute for Micro Process Engineering (IMVT), Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | | | - Ihsanullah Ihsanullah
- Center for Environment and Water, Research Institute, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia.
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Sühring R, Baak JE, Letcher RJ, Braune BM, de Silva A, Dey C, Fernie K, Lu Z, Mallory ML, Avery-Gomm S, Provencher JF. Co-contaminants of microplastics in two seabird species from the Canadian Arctic. ENVIRONMENTAL SCIENCE AND ECOTECHNOLOGY 2022; 12:100189. [PMID: 36157344 PMCID: PMC9500368 DOI: 10.1016/j.ese.2022.100189] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 05/25/2022] [Accepted: 05/25/2022] [Indexed: 05/05/2023]
Abstract
Through ingestion and subsequent egestion, Arctic seabirds can bioaccumulate microplastics at and around their colony breeding sites. While microplastics in Arctic seabirds have been well documented, it is not yet understood to what extent these particles can act as transport vehicles for plastic-associated contaminants, including legacy persistent organic pollutants (POPs), trace metals, and organic additives. We investigated the occurrence and pattern of organic and inorganic co-contaminants of microplastics in two seabird species from the Canadian Arctic - northern fulmar (Fulmarus glacialis) and black-legged kittiwake (Rissa tridactyla). We found that fulmars had higher levels of plastic contamination and emerging organic compounds (known to be plastic additives) than kittiwakes, whereas higher concentrations of legacy POPs were found in kittiwakes than the fulmars. Furthermore, fulmars, the species with the much larger foraging range (∼200 km), had higher plastic pollution and overall contaminant burdens, indicating that birds may be acting as long-range transport vectors for plastic-associated pollution. Our results suggest a potential connection between plastic additive contamination and plastic pollution burdens in the bird stomachs, highlighting the importance of treating plastic particles and plastic-associated organic additives as co-contaminants rather than separate pollution issues.
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Affiliation(s)
- Roxana Sühring
- Department of Chemistry and Biology, Toronto Metropolitan University (formerly known as Ryerson University), 350 Victoria St, Toronto, ON, M5B 2K3, Canada
- Corresponding author.
| | - Julia E. Baak
- Department of Natural Resource Science, McGill University, Sainte Anne de Bellevue, Québec, H9X 3V9, Canada
| | - Robert J. Letcher
- Environment and Climate Change Canada, National Wildlife Research Centre, Carleton University, Raven Road, Ottawa, Ontario, K1A 0H3, Canada
| | - Birgit M. Braune
- Environment and Climate Change Canada, National Wildlife Research Centre, Carleton University, Raven Road, Ottawa, Ontario, K1A 0H3, Canada
| | - Amila de Silva
- Aquatic Contaminants Research Division, Environment and Climate Change Canada, Burlington, Ontario, L7S 1A1, Canada
| | - Cody Dey
- Environment and Climate Change Canada, National Wildlife Research Centre, Carleton University, Raven Road, Ottawa, Ontario, K1A 0H3, Canada
| | - Kim Fernie
- Ecotoxicology & Wildlife Health Division, Environment and Climate Change Canada, Burlington, Ontario, L7S 1A1, Canada
| | - Zhe Lu
- Institut des Sciences de la Mer de Rimouski, Université du Québec à Rimouski, Rimouski, Québec, G5L 3A1, Canada
| | - Mark L. Mallory
- Department of Biology, Acadia University, Wolfville, Nova Scotia, B4P 2R6, Canada
| | - Stephanie Avery-Gomm
- Environment and Climate Change Canada, National Wildlife Research Centre, Carleton University, Raven Road, Ottawa, Ontario, K1A 0H3, Canada
| | - Jennifer F. Provencher
- Environment and Climate Change Canada, National Wildlife Research Centre, Carleton University, Raven Road, Ottawa, Ontario, K1A 0H3, Canada
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Rambaran T, Schirhagl R. Nanotechnology from lab to industry - a look at current trends. NANOSCALE ADVANCES 2022; 4:3664-3675. [PMID: 36133326 PMCID: PMC9470025 DOI: 10.1039/d2na00439a] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 07/29/2022] [Indexed: 06/16/2023]
Abstract
Nanotechnology holds great promise and is hyped by many as the next industrial evolution. Medicine, food and cosmetics, agriculture and environmental health, and technology industries already profit from nanotechnology innovations and their influence is expected to increase drastically in the near future. However, there are also many challenges that need to be overcome to bring a nanotechnological product or business to the market. In this article we discuss current examples of nanotechnology that have been successfully introduced in the market and their relevance and geographical spread. We then discuss different partners for scientists and their role in the commercialization process. Finally, we review the different steps it takes to bring a nanotechnology to the market, highlight the many difficulties related to these steps, and provide a roadmap for the journey from lab to industry which can be beneficial to researchers.
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Affiliation(s)
- Theresa Rambaran
- Department of Public Health and Clinical Medicine, Section of Sustainable Health, Umeå University 90187 Umeå Sweden
| | - Romana Schirhagl
- Department of Biomedical Engineering, University Medical Center Groningen, Groningen University Antonius Deusinglaan 1 9713AW Groningen The Netherlands
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Rai PK, Sonne C, Brown RJC, Younis SA, Kim KH. Adsorption of environmental contaminants on micro- and nano-scale plastic polymers and the influence of weathering processes on their adsorptive attributes. JOURNAL OF HAZARDOUS MATERIALS 2022; 427:127903. [PMID: 34895806 PMCID: PMC9758927 DOI: 10.1016/j.jhazmat.2021.127903] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 11/21/2021] [Accepted: 11/22/2021] [Indexed: 05/09/2023]
Abstract
Increases in plastic-related pollution and their weathering can be a serious threat to environmental sustainability and human health, especially during the present COVID-19 (SARS-CoV-2 coronavirus) pandemic. Planetary risks of plastic waste disposed from diverse sources are exacerbated by the weathering-driven alterations in their physical-chemical attributes and presence of hazardous pollutants mediated through adsorption. Besides, plastic polymers act as vectors of toxic chemical contaminants and pathogenic microbes through sorption onto the 'plastisphere' (i.e., plastic-microbe/biofilm-environment interface). In this review, the effects of weathering-driven alterations on the plastisphere are addressed in relation to the fate/cycling of environmental contaminants along with the sorption/desorption dynamics of micro-/nano-scale plastic (MPs/NPs) polymers for emerging contaminants (e.g., endocrine-disrupting chemicals (EDCs), polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs), pharmaceuticals and personal care products (PPCPs), and certain heavy metals). The weathering processes, pathways, and mechanisms governing the adsorption of specific environmental pollutants on MPs/NPs surface are thus evaluated in relation to the physicochemical alterations based on several kinetic and isotherm studies. Consequently, the detailed evaluation on the role of the complex associations between weathering and physicochemical properties of plastics should help us gain a better knowledge with respect to the transport, behavior, fate, and toxicological chemistry of plastics along with the proper tactics for their sustainable remediation.
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Affiliation(s)
- Prabhat Kumar Rai
- Phyto-Technologies and Plant Invasion Lab, Department of Environmental Science, School of Earth Sciences and Natural Resources Management, Mizoram University, Aizawl, Mizoram, India
| | - Christian Sonne
- Aarhus University, Department of Bioscience, Arctic Research Centre (ARC), Frederiksborgvej 399, PO Box 358, DK-4000 Roskilde, Denmark
| | - Richard J C Brown
- Atmospheric Environmental Science Department, National Physical Laboratory, Teddington TW11 0LW, UK
| | - Sherif A Younis
- Analysis and Evaluation Department, Egyptian Petroleum Research Institute, Nasr City, Cairo 11727, Egypt; Nanobiotechnology Program, Faculty of Nanotechnology for Postgraduate Studies, Cairo University, Sheikh Zayed Branch Campus, Sheikh Zayed City, PO 12588, Giza, Egypt; Department of Civil & Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 04763, South Korea
| | - Ki-Hyun Kim
- Department of Civil & Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 04763, South Korea.
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9
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Mills-Goodlet R, Johnson L, Hoppe IJ, Regl C, Geppert M, Schenck M, Huber S, Hauser M, Ferreira F, Hüsing N, Huber CG, Brandstetter H, Duschl A, Himly M. The nanotopography of SiO 2 particles impacts the selectivity and 3D fold of bound allergens. NANOSCALE 2021; 13:20508-20520. [PMID: 34854455 PMCID: PMC8675021 DOI: 10.1039/d1nr05958k] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Accepted: 11/06/2021] [Indexed: 06/13/2023]
Abstract
A detailed description of the changes that occur during the formation of protein corona represents a fundamental question in nanoscience, given that it not only impacts the behaviour of nanoparticles but also affects the bound proteins. Relevant questions include whether proteins selectively bind particles, whether a specific orientation is preferred for binding, and whether particle binding leads to a modulation of their 3D fold. For allergens, it is important to answer these questions given that all these effects can modify the allergenic response of atopic individuals. These potential impacts on the bound allergen are closely related to the specific properties of the involved nanoparticles. One important property influencing the formation of protein corona is the nanotopography of the particles. Herein, we studied the effect of nanoparticle porosity on allergen binding using mesoporous and non-porous SiO2 NPs. We investigated (i) the selectivity of allergen binding from a mixture such as crude pollen extract, (ii) whether allergen binding results in a preferred orientation, (iii) the influence of binding on the conformation of the allergen, and (iv) how the binding affects the allergenic response. Nanotopography was found to play a major role in the formation of protein corona, impacting the physicochemical and biological properties of the NP-bound allergen. The porosity of the surface of the SiO2 nanoparticles resulted in a higher binding capacity with pronounced selectivity for (preferentially) binding the major birch pollen allergen Bet v 1. Furthermore, the binding of Bet v 1 to the mesoporous rather than the non-porous SiO2 nanoparticles influenced the 3D fold of the protein, resulting in at least partial unfolding. Consequently, this conformational change influenced the allergenic response, as observed by mediator release assays employing the sera of patients and immune effector cells. For an in-depth understanding of the bio-nano interactions, the properties of the particles need to be considered not only regarding the identity and morphology of the material, but also their nanotopography, given that porosity may greatly influence the structure, and hence the biological behaviour of the bound proteins. Thus, thorough structural investigations upon the formation of protein corona are important when considering immunological outcomes, as particle binding can influence the allergenic response elicited by the bound allergen.
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Affiliation(s)
| | - Litty Johnson
- Dept. Biosciences, Paris Lodron University of Salzburg, Austria.
| | - Isabel J Hoppe
- Dept. Biosciences, Paris Lodron University of Salzburg, Austria.
- Christian Doppler Laboratory for Innovative Tools for Biosimilar Characterization, Paris Lodron University of Salzburg, Austria
| | - Christof Regl
- Dept. Biosciences, Paris Lodron University of Salzburg, Austria.
| | - Mark Geppert
- Dept. Biosciences, Paris Lodron University of Salzburg, Austria.
| | - Milena Schenck
- Dept. Chemistry and Physics of Materials, Paris Lodron University of Salzburg, Austria
| | - Sara Huber
- Dept. Biosciences, Paris Lodron University of Salzburg, Austria.
| | - Michael Hauser
- Dept. Biosciences, Paris Lodron University of Salzburg, Austria.
| | - Fátima Ferreira
- Dept. Biosciences, Paris Lodron University of Salzburg, Austria.
| | - Nicola Hüsing
- Dept. Chemistry and Physics of Materials, Paris Lodron University of Salzburg, Austria
| | - Christian G Huber
- Dept. Biosciences, Paris Lodron University of Salzburg, Austria.
- Christian Doppler Laboratory for Innovative Tools for Biosimilar Characterization, Paris Lodron University of Salzburg, Austria
| | - Hans Brandstetter
- Dept. Biosciences, Paris Lodron University of Salzburg, Austria.
- Christian Doppler Laboratory for Innovative Tools for Biosimilar Characterization, Paris Lodron University of Salzburg, Austria
| | - Albert Duschl
- Dept. Biosciences, Paris Lodron University of Salzburg, Austria.
| | - Martin Himly
- Dept. Biosciences, Paris Lodron University of Salzburg, Austria.
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10
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Wang L, Wu WM, Bolan NS, Tsang DCW, Li Y, Qin M, Hou D. Environmental fate, toxicity and risk management strategies of nanoplastics in the environment: Current status and future perspectives. JOURNAL OF HAZARDOUS MATERIALS 2021; 401:123415. [PMID: 32763705 PMCID: PMC7345412 DOI: 10.1016/j.jhazmat.2020.123415] [Citation(s) in RCA: 248] [Impact Index Per Article: 82.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 06/23/2020] [Accepted: 07/04/2020] [Indexed: 05/19/2023]
Abstract
Tiny plastic particles considered as emerging contaminants have attracted considerable interest in the last few years. Mechanical abrasion, photochemical oxidation and biological degradation of larger plastic debris result in the formation of microplastics (MPs, 1 μm to 5 mm) and nanoplastics (NPs, 1 nm to 1000 nm). Compared with MPs, the environmental fate, ecosystem toxicity and potential risks associated with NPs have so far been less explored. This review provides a state-of-the-art overview of current research on NPs with focus on currently less-investigated fields, such as the environmental fate in agroecosystems, migration in porous media, weathering, and toxic effects on plants. The co-transport of NPs with organic contaminants and heavy metals threaten human health and ecosystems. Furthermore, NPs may serve as a novel habitat for microbial colonization, and may act as carriers for pathogens (i.e., bacteria and viruses). An integrated framework is proposed to better understand the interrelationships between NPs, ecosystems and the human society. In order to fully understand the sources and sinks of NPs, more studies should focus on the total environment, including freshwater, ocean, groundwater, soil and air, and more attempts should be made to explore the aging and aggregation of NPs in environmentally relevant conditions. Considering the fact that naturally-weathered plastic debris may have distinct physicochemical characteristics, future studies should explore the environmental behavior of naturally-aged NPs rather than synthetic polystyrene nanobeads.
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Affiliation(s)
- Liuwei Wang
- School of Environment, Tsinghua University, Beijing 100084, China
| | - Wei-Min Wu
- Department of Civil and Environmental Engineering, William & Cloy Codiga Resource Recovery Center, Center for Sustainable Development & Global Competitiveness, Stanford University, Stanford, CA 94305-4020, USA
| | - Nanthi S Bolan
- Global Centre for Environmental Remediation, The University of Newcastle, Callaghan, NSW 2308, Australia
| | - Daniel C W Tsang
- Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
| | - Yang Li
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing, 100875, China
| | - Muhan Qin
- School of Environment, Tsinghua University, Beijing 100084, China
| | - Deyi Hou
- School of Environment, Tsinghua University, Beijing 100084, China.
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11
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Fijałkowska G, Szewczuk-Karpisz K, Wiśniewska M. Anionic polyacrylamide influence on the lead(II) ion accumulation in soil - the study on montmorillonite. JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE & ENGINEERING 2020; 18:599-607. [PMID: 33312586 PMCID: PMC7721830 DOI: 10.1007/s40201-020-00485-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Accepted: 05/13/2020] [Indexed: 06/12/2023]
Abstract
PURPOSE Polymeric substances, as soil conditioners, limit the erosion process as well as improve the soil structure. The same macromolecular compounds may influence the heavy metal accumulation in soil environment. The main aim of this study was investigation of anionic polyacrylamide (AN PAM) effect on the lead(II) ion sorption on the montmorillonite surface. The effects of Pb(II) ion concentration, sequence of heavy metal and anionic polymer addition into the system as well as anionic group content in the PAM macromolecules were also studied. MATERIALS AND METHODS The study was performed on montmorillonite (clay mineral). Two types of polymers were used: AN PAM 5% and AN PAM 30% containing 5% and 30% of carboxylic groups, respectively. The adsorbed amounts of Pb(II) ions or AN PAM on the solid were determined spectrophotometrically. Electrokinetic properties of the examined systems were established using potentiometric titration and microelectrophoresis method. The montmorillonite aggregation without and with selected substances was described based on the sedimentation study. RESULTS At pH 5 the Pb(II) adsorbed amount on montmorillonite equaled 0.05 mg/m2 (for the initial concentration 10 ppm). Anionic polyacrylamide increased this value significantly (it was 0.11 mg/m2 with AN PAM 5% and 0.11 mg/m2 with AN PAM 30%). The lead(II) ions presence causes a slight increase of the anionic PAM adsorption on the montmorillonite surface. For example, for the initial polymer concentration 100 ppm, the AN PAM 5% adsorbed amount without Pb(II) equaled 0.49 mg/m2, whereas with Pb(II) - 0.57 mg/m2. What is more, anionic polyacrylamide and lead(II) ions affected electrokinetic properties and stability of the montmorillonite suspension. CONCLUSIONS Anionic polyacrylamide makes the Pb(II) accumulation on the montmorillonite surface larger and, as a consequence, reduces the Pb(II) availability to organisms. Therefore, this macromolecular compound can certainly be used to remediate soils contaminated with heavy metals.
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Affiliation(s)
- G. Fijałkowska
- Department of Radiochemistry and Environmental Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University in Lublin, M. Curie-Sklodowska Sq. 3, 20-031 Lublin, Poland
| | - K. Szewczuk-Karpisz
- Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, 20-290 Lublin, Poland
| | - M. Wiśniewska
- Department of Radiochemistry and Environmental Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University in Lublin, M. Curie-Sklodowska Sq. 3, 20-031 Lublin, Poland
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12
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Effect of LDHs and Other Clays on Polymer Composite in Adsorptive Removal of Contaminants: A Review. CRYSTALS 2020. [DOI: 10.3390/cryst10110957] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Recently, the development of a unique class of layered silicate nanomaterials has attracted considerable interest for treatment of wastewater. Clean water is an essential commodity for healthier life, agriculture and a safe environment at large. Layered double hydroxides (LDHs) and other clay hybrids are emerging as potential nanostructured adsorbents for water purification. These LDH hybrids are referred to as hydrotalcite-based materials or anionic clays and promising multifunctional two-dimensional (2D) nanomaterials. They are used in many applications including photocatalysis, energy storage, nanocomposites, adsorption, diffusion and water purification. The adsorption and diffusion capacities of various toxic contaminants heavy metal ions and dyes on different unmodified and modified LDH-samples are discussed comparatively with other types of nanoclays acting as adsorbents. This review focuses on the preparation methods, comparison of adsorption and diffusion capacities of LDH-hybrids and other nanoclay materials for the treatment of various contaminants such as heavy metal ions and dyes.
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Guidi P, Lyons BP, Frenzilli G. The Comet Assay in Marine Animals. Methods Mol Biol 2019; 2031:275-286. [PMID: 31473965 DOI: 10.1007/978-1-4939-9646-9_14] [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: 03/24/2023]
Abstract
Comet assay is a quick and versatile technique for assessing DNA damage in individual cells. It allows for the detection of DNA single- and double-strand breaks, as well as the presence of alkali labile sites and cross-links. Here we describe protocols for the single-cell gel electrophoresis (Comet assay) in its alkaline (pH > 13), mild alkaline (pH = 12.1) and neutral (pH = 8) versions when applied in marine animals.
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Affiliation(s)
- Patrizia Guidi
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | | | - Giada Frenzilli
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
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