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Le XTT, Nguyen DT, Pham MT, Trinh MV, Le PC, Do VM. Risk assessment of microplastic exposure: A case study near a refinery factory at the central coast of Vietnam. MARINE POLLUTION BULLETIN 2023; 196:115636. [PMID: 37813060 DOI: 10.1016/j.marpolbul.2023.115636] [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: 09/11/2023] [Revised: 10/01/2023] [Accepted: 10/04/2023] [Indexed: 10/11/2023]
Abstract
The goal of this study was to identify the presence of microplastics on the beach near a refinery in the central coast of Vietnam. In this study, 11 sampling sites were selected within a length of 300 m of the beach. The results showed that microplastics were presented in all collected samples with an average concentration of 1582 ± 660 MPs/kg. Fibers were the predominant shape of microplastics found in the samples, which accounted for 57.11 %, while the rest were classified as fragments. The average size of microplastics varied greatly around 83.1 ± 74.3 μm with the vast majority having a size smaller than 50 μm (41.84 %). A total of 11 polymers of microplastics were detected from collected samples, Polyethylene Terephthalate was the main polymer with 46.43 %. The pollution load index of microplastics was 3.15 showing that refinery activities could expose microplastic to the environment.
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Affiliation(s)
- Xuan Thanh Thao Le
- Institute of Environmental Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Cau Giay District, Hanoi 11300, Viet Nam; Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Cau Giay District, Hanoi 11300, Viet Nam
| | - Duy Thanh Nguyen
- Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Cau Giay District, Hanoi 11300, Viet Nam
| | - Minh Tuan Pham
- Hanoi University of Science and Technology, 1 Dai Co Viet Road, Hai Ba Trung District, Hanoi 11600, Viet Nam
| | - Minh Viet Trinh
- Institute of Environmental Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Cau Giay District, Hanoi 11300, Viet Nam
| | - Phuoc Cuong Le
- Faculty of Environmental Engineering, The University of Danang-University of Science and Technology, Danang 550000, Viet Nam
| | - Van Manh Do
- Institute of Environmental Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Cau Giay District, Hanoi 11300, Viet Nam; Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Cau Giay District, Hanoi 11300, Viet Nam.
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Mishra A, Mohan Viswanathan P, Ramasamy N, Panchatcharam S, Sabarathinam C. Spatiotemporal distribution of microplastics in Miri coastal area, NW Borneo: inference from a periodical observation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:103225-103243. [PMID: 37688695 PMCID: PMC10567912 DOI: 10.1007/s11356-023-29582-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 08/25/2023] [Indexed: 09/11/2023]
Abstract
The current study aims to investigate the spatiotemporal distribution of microplastics (MPs) in the Miri coast, targeting their occurrences, characterisation, and potential sources. For a periodical study, coastal sediments were collected from three different time intervals (monsoon, post-monsoon, and post-COVID) and subjected to stereomicroscope, ATR-FTIR, and SEM-EDX analyses. These results show a significant increase of MPs in post-COVID samples by approximately 218% and 148% comparatively with monsoon and post-monsoon samples, respectively. The highest concentration of MPs was detected near the river mouths and industrial areas where the waste discharge rate and anthropogenic activities dominate. Fibre-type MPs are the most abundant, with an average of nearly 64%, followed by fragments, films, microbeads, and foams. The most dominant polymer types were polytetrafluoroethylene (PTFE), polyethylene (PE), polypropylene (PP), polystyrene (PS), and polyester (PET). Overall, the current study shows a better understanding of MPs occurrence and potential sources in the Miri coastal area.
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Affiliation(s)
- Anshuman Mishra
- Department of Applied Sciences, Faculty of Engineering and Science, Curtin University, Malaysia, CDT 250, 98009, Miri, Sarawak, Malaysia
| | - Prasanna Mohan Viswanathan
- Department of Applied Sciences, Faculty of Engineering and Science, Curtin University, Malaysia, CDT 250, 98009, Miri, Sarawak, Malaysia.
| | - Nagarajan Ramasamy
- Department of Applied Sciences, Faculty of Engineering and Science, Curtin University, Malaysia, CDT 250, 98009, Miri, Sarawak, Malaysia
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Martínez-Orgániz Á, Crespo-Barrera PM, Becerril-Bravo JE, Navarro-Frómeta AE. Pollutants of emerging concern in tourist beaches of Guerrero, Mexico: A first approach to sources. MARINE POLLUTION BULLETIN 2023; 192:114989. [PMID: 37182246 DOI: 10.1016/j.marpolbul.2023.114989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 04/19/2023] [Accepted: 04/22/2023] [Indexed: 05/16/2023]
Abstract
The presence of Emerging Pollutants (EPs) on the beaches of Acapulco, Mexico, is evaluated for the first time. Samples were taken from the discharge of the wastewater treatment plant at Olvidada beach, and at three beaches that receive contributions from different streams that cross through the city in Santa Lucia Bay (SLB). Using solid phase extraction and gas chromatography/mass spectrometry, 77 EPs were identified. A semiquantitative evaluation of their concentrations were made using the relative areas of the chromatographic peaks, showing that the contamination of the beaches of SLB is mainly due to the pollutants going into the streams of the micro-basins. A statistical factor analysis of all the EPs allowed differentiation of the sampling points, reducing the number of variables, which benefits future analytical determinations in the study area. Due to the toxicological characteristics of the compounds found, their presence on public-use beaches represents a risk to human health.
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Affiliation(s)
- Ángeles Martínez-Orgániz
- Escuela Superior de Ciencias Naturales, Universidad Autónoma de Guerrero, Carretera Nacional Chilpancingo-Petaquillas, Ex Rancho Shalako, Calle Universidad S/N, Chilpancingo, Guerrero, Mexico
| | - Paula Montserrat Crespo-Barrera
- Universidad Tecnológica de Izúcar de Matamoros, Calle Reforma 168, Barrio de Santiago Mihuacán, C.P. 74420 Izúcar de Matamoros, Puebla, Mexico
| | - José Elías Becerril-Bravo
- Instituto de Ingeniería, Universidad Nacional Autónoma de México, Ciudad Universitaria, Coyoacán, Ciudad de México C.P. 04510, Mexico
| | - Amado Enrique Navarro-Frómeta
- Universidad Tecnológica de Izúcar de Matamoros, Calle Reforma 168, Barrio de Santiago Mihuacán, C.P. 74420 Izúcar de Matamoros, Puebla, Mexico.
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Jalaudin Basha NN, Adzuan Hafiz NB, Osman MS, Abu Bakar NF. Unveiling the noxious effect of polystyrene microplastics in aquatic ecosystems and their toxicological behavior on fishes and microalgae. FRONTIERS IN TOXICOLOGY 2023; 5:1135081. [PMID: 37215383 PMCID: PMC10192689 DOI: 10.3389/ftox.2023.1135081] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Accepted: 04/19/2023] [Indexed: 05/24/2023] Open
Abstract
Microplastic (MP) particles are considered noxious pollutants due to their presence in aquatic habitats at almost every level of the food chain. Thus, the entry of MP particles into marine waterbodies has triggered a common research interest. Until recently, the toxicity of polystyrene towards aquatic creatures in comparison to other polymers has not been widely investigated. This article provides an extensive overview of the occurrence of microplastic particles, the route of polystyrene (PS) in the aquatic ecosystem, the PS properties characterization, and its noxious effects on the aquatic biota, particularly fishes and microalgae. Alarming high levels of polystyrene were found in urban, coastal, and rural surface waters and sediments. The fast-screening technique began with a stereoscope to determine the polystyrene particles' shape, size, and color on the organism. SEM and complemented by micro FTIR or Raman spectroscopy were used to evaluate MP's polymer structures. The findings present evidence suggesting that polystyrene buildup in fish can have long-term and unknown consequences. Meanwhile, the presence of polystyrene on microalgae causes a decrease in chlorophyll concentration and photosynthetic activity, which may disrupt photosynthesis by interfering with the electron characters and leading to the production of reactive oxygen species (ROS).
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Affiliation(s)
- Nurin Nabilah Jalaudin Basha
- EMZI-UiTM Nanoparticles Colloids & Interface Industrial Research Laboratory (NANO-CORE), Chemical Engineering Studies, College of Engineering, Universiti Teknologi MARA, Cawangan Pulau Pinang, Permatang Pauh Campus, Pulau Pinang, Malaysia
| | - Nurfarwizah Binti Adzuan Hafiz
- EMZI-UiTM Nanoparticles Colloids & Interface Industrial Research Laboratory (NANO-CORE), Chemical Engineering Studies, College of Engineering, Universiti Teknologi MARA, Cawangan Pulau Pinang, Permatang Pauh Campus, Pulau Pinang, Malaysia
| | - Mohamed Syazwan Osman
- EMZI-UiTM Nanoparticles Colloids & Interface Industrial Research Laboratory (NANO-CORE), Chemical Engineering Studies, College of Engineering, Universiti Teknologi MARA, Cawangan Pulau Pinang, Permatang Pauh Campus, Pulau Pinang, Malaysia
| | - Noor Fitrah Abu Bakar
- School of Chemical Engineering, College of Engineering, Universiti Teknologi MARA Shah Alam, Shah Alam, Malaysia
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