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Tier 2
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Original research — experimental, observational, or case-control study. Direct primary evidence.
Marine & Wildlife
Remediation
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Assessing the impact of simulated ocean acidification on the photodegradation of selected microplastics
Marine Pollution Bulletin2024
9 citations
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Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Score: 45
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0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Caroline Balbela,
Caroline Balbela,
Caroline Balbela,
Sanye Soroldoni,
Caroline Balbela,
Andreia Neves Fernandes
Andreia Neves Fernandes
Caroline Balbela,
Sanye Soroldoni,
Caroline Balbela,
Sanye Soroldoni,
Sanye Soroldoni,
Sanye Soroldoni,
Sanye Soroldoni,
Sanye Soroldoni,
Sanye Soroldoni,
Sanye Soroldoni,
Sanye Soroldoni,
Grasiela Lopes Leães Pinho,
Felipe Kessler,
Mauricio Camargo Guerrero,
Andreia Neves Fernandes
Andreia Neves Fernandes
Andreia Neves Fernandes
Felipe Kessler,
Felipe Kessler,
Felipe Kessler,
Felipe Kessler,
Felipe Kessler,
Felipe Kessler,
Felipe Kessler,
Felipe Kessler,
Felipe Kessler,
Andreia Neves Fernandes
Andreia Neves Fernandes
Andreia Neves Fernandes
Felipe Kessler,
Mauricio Camargo Guerrero,
Grasiela Lopes Leães Pinho,
Felipe Kessler,
Grasiela Lopes Leães Pinho,
Felipe Kessler,
Andreia Neves Fernandes
Andreia Neves Fernandes
Andreia Neves Fernandes
Felipe Kessler,
Andreia Neves Fernandes
Felipe Kessler,
Felipe Kessler,
Grasiela Lopes Leães Pinho,
Grasiela Lopes Leães Pinho,
Grasiela Lopes Leães Pinho,
Grasiela Lopes Leães Pinho,
Andreia Neves Fernandes
Grasiela Lopes Leães Pinho,
Andreia Neves Fernandes
Andreia Neves Fernandes
Grasiela Lopes Leães Pinho,
Grasiela Lopes Leães Pinho,
Grasiela Lopes Leães Pinho,
Andreia Neves Fernandes
Mauricio Camargo Guerrero,
Andreia Neves Fernandes
Felipe Kessler,
Andreia Neves Fernandes
Felipe Kessler,
Grasiela Lopes Leães Pinho,
Grasiela Lopes Leães Pinho,
Grasiela Lopes Leães Pinho,
Grasiela Lopes Leães Pinho,
Grasiela Lopes Leães Pinho,
Grasiela Lopes Leães Pinho,
Andreia Neves Fernandes
Grasiela Lopes Leães Pinho,
Grasiela Lopes Leães Pinho,
Andreia Neves Fernandes
Summary
This study assessed how simulated ocean acidification conditions affect the photodegradation rate and products of plastic polymers, finding that lower pH accelerates surface oxidation and may alter the toxicity of plastic degradation leachates.
This study investigated the impact of ocean acidification on the photodegradation of three microplastics (MPs): polypropylene (PP), expanded polystyrene (EPS), and ethylene-vinyl acetate (EVA), under accelerated UV radiation at three pH levels (i.e., 8.1, 7.8, and 7.5), simulating marine conditions. The acidification system simulated current and projected future environmental conditions. As expected, an increase in partial pressure of CO2, total inorganic carbon, bicarbonate ion, and CO2 resulted in more acidic pH levels, with the reverse being true for the carbonate ion. Structural changes of MPs were evaluated, revealing that all weathered samples underwent higher degradation rate compared to the virgin samples. The oxidation state and crystallinity of PP and EVA MPs were higher in samples exposed to the lowest pH, whereas no significant increase in the degradation rate of EPS samples was observed. Saltwater acidification in this study contributed to enhance the photo-oxidation of MPs depending on their polymeric composition.