32 documents found, page 1 of 4
Aquaculture in the crossroad of microplastic contamination
Bebianno, Maria; Manthopoulos, Michael; Nathan, Justine; Cristina, Sónia; Ribeiro, Laura; Luna-Araújo, Ravi; Icely, John; Dias Duarte Fragoso, BrunoPlastic pollution threatens life and human health, with microplastics (MP) linked to seafood consumption. MPs enter aquaculture through the environment and from aquaculture gear. During aquaculture production, plastic is used in nets and sacks for the growth process and in collecting and processing so it becomes important to expand the knowledge about how much MPs are present in seafood. The aim was to investig...
Gender effects of nanoplastics and emerging contaminants mixtures in Mytilus ga...
Ribeiro Gonçalves, Joanna Melissa; Benedetti, M.; d'Errico, G.; Regoli, F.; Bebianno, MariaThe reproduction of mussels occurs within the water column, and if gametogenesis is successful, gametes are exposed to the surrounding contaminants. Nanoplastics and other emerging contaminants have been gaining vast attention; however, their effects on the reproductive tissues of mussels with sex differentiation are scarce. Here, the effects of polystyrene nanoparticles (50 nm; 10 mu g/L), the cytotoxic drug 5...
The potential of native microalgae consortia to remove pharmaceutical compounds...
Lourenço Afonso, Valdemira; Rodrigues, Brígida; Borges, Rodrigo; Jorge de Barros, Raúl José; Bebianno, Maria; Raposo, SaraWastewater treatment plants play a key role in the release of pharmaceuticals and other contaminants into the aquatic environment, causing negative effects on the ecosystems of receiving water bodies. This work aimed to assess the removal efficiency of real loads of these contaminants by wastewater-native microalgae consortia acting on treated wastewater previously subjected to secondary treatment. Wastewater s...
Aquaculture in the crossroad of microplastic contamination
Bebianno, Maria; Manthopoulos, Michael; Nathan, Justine; Cristina, Sónia; Ribeiro, Laura; Luna-Araújo, Ravi; Icely, John; Dias Duarte Fragoso, BrunoPlastic pollution threatens life and human health, with microplastics (MP) linked to seafood consumption. MPs enter aquaculture through the environment and from aquaculture gear. During aquaculture production, plastic is used in nets and sacks for the growth process and in collecting and processing so it becomes important to expand the knowledge about how much MPs are present in seafood. The aim was to investig...
Are mixtures of micro/nanoplastics more toxic than individual micro or nanoplas...
Ventura, Emma; Ribeiro Gonçalves, Joanna Melissa; Vilke, Juliano Marcelo; d'Errico, Giuseppe; Benedetti, Maura; Regoli, Francesco; Bebianno, MariaThe abundance of micro (MPs) and nano (NPs) sized plastic particles in the ocean is concerning due to their harmful effects on marine life. The interactions between MPs and NPs in the marine environment and their impact on marine biota remain not fully understood. This study contributes with new insights into the interaction between polystyrene NPs (PSNPs) and polyethylene MPs (PEMPs) on the clam Ruditapes decu...
Tamoxifen induces biochemical responses in Pacific oysters magallana gigas (Thu...
Paiva, Raphaella; Ferreira, Clarissa Pellegrini; Lima, Daína; Mattos, Jacó Joaquim; Pessatti, Tomás Bohn; Tisca, Juliana FabrícioThe activities of catalase (CAT), glutathione peroxidase (GPx), glutathione reductase (GR), glucose-6-phosphate dehydrogenase (G6PDH), and glutathione-S-transferase (GST) were evaluated in the gills (GI) and digestive gland (DG) of Magallana gigas oysters exposed to tamoxifen (TAM) at environmental concentrations of 10 and 100 ng L- 1 for 1 and 4 days. A higher CAT activity in the GI and DG and higher GPx activ...
Plant-based silver nanoparticles ecotoxicity: perspectives about green technolo...
Silva Brito, Rafaella; Bebianno, Maria; Rocha, Thiago LopesSilver nanoparticles (AgNPs) have extensive applications in nanomedicine and parasitology, particularly as antifungal, bactericidal, antiviral, larvicidal, mosquitocidal, and tick-killing agents. Plant-based AgNPs (PB-AgNPs) have been studied as a safer and biocompatible strategy to collaborate in disease control. However, knowledge concerning the toxicity of PB-AgNPs in non-target organisms is still limited. A...
Delivering scientific evidence for global policy and management to ensure ocean...
Evans, K.; Schmidt, J. O.; Addo, K. Appeaning; Bebianno, Maria; Campbell, D.; Fan, J.; Gonzalez-Quiros, R.; Mohammed, E. Y.; Shojaei, M. G.Life depends on the ocean, with societal health, cultural systems and national economies reliant on ocean processes and resources. As ocean resources are used, and humans continue to drive climate change, the benefts from the ocean to society are being diminished. Science must meet the needs of policy and deliver to decision makers the information and tools for iden tifying pathways that support continued deliv...
Are native microalgae consortia able to remove microplastics from wastewater ef...
Afonso, Valdemira; Borges, Rodrigo; Rodrigues, Brígida; Barros, Raúl; Bebianno, Maria; Raposo, SaraWastewater Treatment Plants (WWTPs) are potential sources of microplastics (MPs) in the aquatic environment. This study aimed to investigate the potential of wastewater-native microalgae consortia to remove MPs from the effluent of two different types of WWTPs as a dual-purpose solution for MPs mitigation and biomass production. For that purpose, the occurrence of MPs from two types of WWTP effluents was analys...
Looking beyond the obvious: the ecotoxicological impact of the leachate from fi...
Vilke, Juliano Marcelo; GARCIA DA FONSECA, TAINÁ; Dias de Alkimin, Gilberto; Ribeiro Gonçalves, Joanna Melissa; Edo Cuesta, Carlos; d’ Errico, GiuseppeOnce in the marine environment, fishing nets and cables undergo weathering, breaking down into micro and nano -size particles and leaching plastic additives, which negatively affect marine biota. This study aims to unravel the ecotoxicological impact of different concentrations of leachate obtained from abandoned or lost fishing nets and cables in the mussel Mytilus galloprovincialis under long-term exposure (2...