Uptake and photoinduced degradation of phthalic acid esters (PAEs) in Ulva lactuca highlight its potential application in environmental bioremediation

The bioaccumulation of phthalates was studied in fragments of Ulva lactuca exposed for a maximum of 31 days at different concentrations of a solution of six phthalic acid esters (PAEs). The algal matrix showed rapid uptake since the first sampling, which increased over the time of the experimental p...

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Veröffentlicht in:Environmental science and pollution research international 2022-12, Vol.29 (60), p.90887-90897
Hauptverfasser: Savoca, Dario, Lo Coco, Riccardo, Melfi, Raffaella, Pace, Andrea
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container_issue 60
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creator Savoca, Dario
Lo Coco, Riccardo
Melfi, Raffaella
Pace, Andrea
description The bioaccumulation of phthalates was studied in fragments of Ulva lactuca exposed for a maximum of 31 days at different concentrations of a solution of six phthalic acid esters (PAEs). The algal matrix showed rapid uptake since the first sampling, which increased over the time of the experimental period, at the end of which seaweed’s bioaccumulation potential was also evaluated. After the uptake, the algal matrix was subjected to UV irradiation in order to verify the removal of the phthalates. PAEs with higher octanol–water partition coefficients (logK ow ) and molecular weights were preferentially uptaken by U. lactuca in all the exposure experiments. It was observed that both accumulation (biota-sediment accumulation factor (log 10 BSAF) ranging from 3.75 to 4.02) and photodegradation (higher than 70% removal for all phthalates in 8 h) are more efficient at lower concentration levels. These results suggest the potential use of the algal matrices for environmental bioremediation, in order to mitigate the impact of pollution from ubiquitous pollutants such as PAEs.
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subjects Aquatic Pollution
Atmospheric Protection/Air Quality Control/Air Pollution
Earth and Environmental Science
Ecotoxicology
Environment
Environmental Chemistry
Environmental Health
Research Article
Ulva
Waste Water Technology
Water Management
Water Pollution Control
title Uptake and photoinduced degradation of phthalic acid esters (PAEs) in Ulva lactuca highlight its potential application in environmental bioremediation
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