Journal
MARINE POLLUTION BULLETIN
Volume 161, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2020.111700
Keywords
Microplastics; Seafood; Shrimp; Pollution; Estuary
Funding
- Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET, PUE2017-2021.)
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Microplastics (plastics < 5 mm) contamination is of worldwide concern and represents a threat to the environment, biota, and humans. Also, they are potential carriers of other contaminants, increasing their adverse effects. In this study, it was analyzed for the first time the chemical composition and abundance of microplastics (MPs) in the commercial shrimp Pleoticus muelleri. Fibers were the predominant plastics (mean: 1.31 fibers g(-1) wet weight) in the abdominal muscle of the shrimps being black, the dominant colour. mu-Raman showed that fibers were composed of polyethylene (PE), polypropylene (PP), and cellulose. Also, weathering and topography of the fibers were analyzed through wide-field confocal microscopy. C, O, Si, Al, K, as well as Fe, Zn, S, Ba, Br, and Ti on the plastic surface were detected with SEM/EDS, indicating potential carriers of contaminants. Capsule: The shrimp Pleoticus muelleri ingests fibers with different chemical elements adsorbed on the plastic surface.
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