Bioaccumulation determines the toxicity of carbon dots to two marine dinoflagellates.
Bioaccumulation
Carbon dots
Dinoflagellates
Photodegradation
Toxicity
Journal
Chemosphere
ISSN: 1879-1298
Titre abrégé: Chemosphere
Pays: England
ID NLM: 0320657
Informations de publication
Date de publication:
Apr 2023
Apr 2023
Historique:
received:
25
12
2022
revised:
13
02
2023
accepted:
13
02
2023
pubmed:
16
2
2023
medline:
4
3
2023
entrez:
15
2
2023
Statut:
ppublish
Résumé
With the ever-increasing application of carbon dots (CDs), a substantial amount will be released and assemble in the aquatic environment. Nevertheless, potential photodegradation of CDs in the aquatic environment, their accumulation and impacts in aquatic organisms remain unclear. Our study examined the toxicity of CDs to two marine dinoflagellates Prorocentrum micans and Prorocentrum donghaiense. Their bioaccumulation including the uptake and elimination kinetics was also determined. Significant photodegradation of CDs in seawater was observed. Moreover, both the degraded CDs and their photodegradation products were toxic to the dinoflagellates. Although P. donghaiense was more sensitive to CDs than P. micans with the median effect concentration 17.0 and 99.0 mg L
Identifiants
pubmed: 36791814
pii: S0045-6535(23)00422-8
doi: 10.1016/j.chemosphere.2023.138155
pii:
doi:
Substances chimiques
Carbon
7440-44-0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
138155Informations de copyright
Copyright © 2023 Elsevier Ltd. All rights reserved.
Déclaration de conflit d'intérêts
Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.