Removal of Per-, Poly-fluoroalkyl substances (PFASs) and multi-biosphere community dynamics in a bacteria-algae symbiotic aquatic ecosystem

The presence of Per-, Poly-fluoroalkyl substances (PFASs) in aquatic ecosystems has drawn broad concerns in the scientific community due to their biological toxicity. However, little has been explored regarding PFASs' removal in phytoplankton-dominated environments. This study aimed to create a...

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Bibliographic Details
Published in:Environmental pollution (1987) 2022-12, Vol.314, p.120266-120266, Article 120266
Main Authors: Wu, Jian-Yi, Gu, Li, Hua, Zu-Lin, Wang, Da-Wei, Xu, Run-Yang, Ge, Xin-Yue, Chu, Ke-Jian
Format: Article
Language:English
Subjects:
Bacteria-algae symbiotic system
Microbial community succession
Microbial metabolisms
Per-, Poly-fluoroalkyl substances' removal
Phytoplankton
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Summary:The presence of Per-, Poly-fluoroalkyl substances (PFASs) in aquatic ecosystems has drawn broad concerns in the scientific community due to their biological toxicity. However, little has been explored regarding PFASs' removal in phytoplankton-dominated environments. This study aimed to create a simulated bacteria-algae symbiotic ecosystem to observe the potential transportation of PFASs. Mass distributions showed that sand (63–2000 μm), silt & clay (0–63 μm), the phycosphere (>3 μm plankton), and the free-living biosphere (0.22–3 μm plankton) contained 19.00, 7.78, 5.73 and 2.75% PFASs in their total mass, respectively. Significant correlations were observed between carbon chain lengths and removal rates (R2 = 0.822, p 
ISSN:0269-7491
1873-6424
DOI:10.1016/j.envpol.2022.120266