Logo do repositório
 
Miniatura
Publicação

Interactions between microplastics and trace metals: ecotoxicological implications for tropical marine invertebrates, Mussel Perna Perna (Linnaeus, 1758) and sea Urchin Echinometra Lucunter (Linnaeus, 1758)

2025-12-21Artigo científico Acesso restrito
http://hdl.handle.net/10400.1/28149
Utilize este identificador para referenciar este registo.
Nome:Descrição:Tamanho:Formato: 
s00128-025-04163-1.pdf1.4 MBAdobe PDF Ver/Abrir

Autores

Palanch, Maria Fernanda
França, Letícia Albanit
Moura, Pedro Henrique Paixão de
Santana, Felipe Teixeira
Prieto, Camila Martins
Castro, João Vítor
Guimarães, Murilo Vieira
Pereira, Vinícius Gonçalves
Oliveira, Otto Muller Patrão de
Belem, Andre L.

Orientador(es)

Resumo(s)

Microplastics (MPs) are recognized as emerging contaminants in marine ecosystems, not only due to their physical persistence but also for their capacity to adsorb and transport chemical pollutants, such as trace metals. In this study, we investigated the interactions between four types of virgins microplastics, like polyethylene (PE), polystyrene (PS), polypropylene (PP), and polypropylene with additives (PPa) and two trace metals, copper (Cu) and zinc (Zn), at environmentally relevant and elevated concentrations. We quantified metal adsorption using flame atomic absorption spectrophotometry and assessed the toxicological effects of MP-metal mixtures on the embryonic development of two tropical marine invertebrates: the mussel Perna perna and the sea urchin Echinometra lucunter. Our results show that metal adsorption onto microplastics was consistently higher at environmentally realistic concentrations, with PE exhibiting the highest Zn adsorption (43.16 mu gg(-)(1)) and PPa the highest Cu adsorption (17.94 mu gg(-)(1)). Ecotoxicological assays revealed species-specific sensitivities, with P. perna embryos showing complete developmental inhibition (0%) when exposed to Cu-Zn mixtures combined with PE or PS. E. lucunter exhibited significant developmental impairments in response to PP and PPa (76 +/- 12,3%, 79 +/- 16,8%), as well as selective toxicity from specific MP-metal combinations. These findings underscore the importance of polymer composition, metal speciation, and biological context in determining the toxicity of plastic-associated contaminants. The observed synergistic effects between MPs and trace metals emphasize the need to incorporate multi-stressor interactions into environmental risk assessments and regulatory frameworks addressing marine pollution.

Descrição

Palavras-chave

Microplastics Trace metals Ecotoxicology Marine invertebrates Embryotoxicity

URI

http://hdl.handle.net/10400.1/28149

Contexto Educativo

Citação

Projetos de investigação

Projeto de investigaçãoVer mais

Unidades organizacionais

Fascículo

Editora

Springer

DOI

10.1007/s00128-025-04163-1

Coleções

CCM2-Artigos (em revistas ou actas indexadas)

Licença CC

Sem licença CC

Métricas Alternativas