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http://hdl.handle.net/10400.1/17529
Título: | Influence of particle size on ecotoxicity of low-density polyethylene microplastics, with and without adsorbed benzo-a-pyrene, in Clam Scrobicularia plana |
Autor: | Rodrigues, Ana Rita Mestre, Nélia FONSECA, TAINÁ Pedro, Paulo Carteny, Camilla C. Cormier, Bettie Keiter, Steffen Bebianno, Maria João |
Palavras-chave: | Microplastics Benzo-a pyrene Biomarkers IBR Health index Scrobicularia plana |
Data: | 5-Jan-2022 |
Editora: | MDPI |
Citação: | Biomolecules 12 (1): 78 (2022) |
Resumo: | This study investigated the ecotoxicological effects of differently sized (4–6 µm and 20–25 µm) low-density polyethylene (LDPE) microplastics (MPs), with and without adsorbed benzo-a-pyrene (BaP), in clam <i>Scrobicularia plana</i>. Biomarkers of oxidative stress (superoxide dismutase—SOD; catalase—CAT), biotransformation (glutathione-S-transferases—GST), oxidative damage (lipid peroxidation—LPO) and neurotoxicity (acetylcholinesterase—AChE) were analysed in gills and digestive glands at different time intervals for a total of 14 days of exposure. In order to have a better impact perspective of these contaminants, an integrated biomarker response index (IBR) and Health Index were applied. Biomarker alterations are apparently more related to smaller sized (4–6 µm) MPs in gills and to virgin LDPE MPs in the digestive gland according to IBR results, while the digestive gland was more affected by these MPs according to the health index. |
Peer review: | yes |
URI: | http://hdl.handle.net/10400.1/17529 |
DOI: | 10.3390/biom12010078 |
ISSN: | doi: 10.3390/biom12010078 |
Aparece nas colecções: | CIM2-Artigos (em revistas ou actas indexadas) |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
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biomolecules-12-00078-v2.pdf | 1,43 MB | Adobe PDF | Ver/Abrir |
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