A rapid experimental protocol to determine the desorption resistant fraction of sediment-sorbed hydrophobic organic contaminants
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DOI: 10.1007/s11356-019-06521-z
Abstract: Desorption of hydrophobic organic contaminants (HOCs) from sedimentary materials plays a vital role in dictating the fate and transport of HOCs in the environment. Desorption irreversibility is a commonly observed phenomenon in laboratory sorption/desorption studies… read more here.
Keywords: sediment; protocol; organic contaminants; hydrophobic organic ... See more keywords
Advantages and challenges of Tween 80 surfactant-enhanced technologies for the remediation of soils contaminated with hydrophobic organic compounds
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DOI: 10.1016/j.cej.2016.12.135
Abstract: Abstract The occurrence of hydrophobic organic compounds (HOCs) in soil has become a highly significant environmental issue. This problem has been exacerbated by the strong sorption of HOCs to soil and the absence of remediation… read more here.
Keywords: enhanced technologies; organic compounds; tween enhanced; remediation ... See more keywords
Accelerated equilibrium sampling of hydrophobic organic chemicals in solid matrices: A proof of concept on how to reach equilibrium for PCBs within 1 day.
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DOI: 10.1016/j.chemosphere.2019.124537
Abstract: Equilibrium sampling of hydrophobic organic chemicals (HOCs) is increasingly used to measure freely dissolved concentrations and chemical activities in sediments and soils. However, for the most hydrophobic chemicals (Log Kow > 6) such equilibrium sampling requires often… read more here.
Keywords: sampling hydrophobic; hydrophobic organic; organic chemicals; pcbs ... See more keywords
Micropore clogging by leachable pyrogenic organic carbon: A new perspective on sorption irreversibility and kinetics of hydrophobic organic contaminants to black carbon.
Sign Up to like & getrecommendations! Published in 2017 at "Environmental pollution"
DOI: 10.1016/j.envpol.2016.10.100
Abstract: Black carbon (BC) plays a crucial role in sequestering hydrophobic organic contaminants in the environment. This study investigated key factors and mechanisms controlling nonideal sorption (e.g., sorption irreversibility and slow kinetics) of model hydrophobic organic… read more here.
Keywords: sorption irreversibility; carbon; organic contaminants; hydrophobic organic ... See more keywords
In situ benthic flow-through chambers to determine sediment-to-water fluxes of legacy hydrophobic organic contaminants.
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DOI: 10.1016/j.envpol.2017.08.086
Abstract: Contaminated sediment can release hydrophobic organic contaminants (HOCs) and thereby act as a secondary source of primarily legacy hazardous substances to the water column. There is therefore a need for assessments of the release of… read more here.
Keywords: chamber; water; sediment water; effect bioturbation ... See more keywords
Application of equilibrium passive sampling to profile pore water and accessible concentrations of hydrophobic organic contaminants in Danube sediments.
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DOI: 10.1016/j.envpol.2020.115470
Abstract: Total concentrations of hydrophobic organic contaminants (HOCs) in sediment present a poor quality assessment parameter for aquatic organism exposure and environmental risk because they do not reflect contaminant bioavailability. The bioavailability issue of HOCs in… read more here.
Keywords: concentrations hydrophobic; passive sampling; water; equilibrium ... See more keywords
In vitro oral and inhalation bioaccessibility of hydrophobic organic contaminants (HOCs) in airborne particles and influence of relevant parameters
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DOI: 10.1016/j.envres.2018.12.025
Abstract: ABSTRACT The bioaccessibility of environmental contaminants has been assessed widely using in vitro simulation; however, the physiological parameters used vary greatly. In this study, we assessed the influence of various physiological parameters and food material… read more here.
Keywords: bioaccessibility; inhalation bioaccessibility; oral inhalation; organic contaminants ... See more keywords
Microextraction based on microplastic followed by SERS for on-site detection of hydrophobic organic contaminants, an indicator of seawater pollution.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of hazardous materials"
DOI: 10.1016/j.jhazmat.2020.123202
Abstract: Microplastics (MPs) have been proven to concentrate hydrophobic organic contaminants (HOCs) from seawater as the sorbent phase, and the concentration of HOCs in aqueous solutions could be estimated from MPs preloaded with HOCs by equilibrium… read more here.
Keywords: detection; pollution; organic contaminants; hydrophobic organic ... See more keywords
Microheterogeneous Triplet Oxidation of Hydrophobic Organic Contaminants in Dissolved Black Carbon Solutions under Simulated Solar Irradiation.
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DOI: 10.1021/acs.est.2c06395
Abstract: Dissolved black carbon (DBC) is proven to accelerate the triplet-mediated photodegradation of hydrophobic organic contaminants (HOCs). However, its photosensitization mechanisms are not clear. In this study, five HOCs including 2,4,6-trimethylphenol, N,N-dimethylaniline, 17β-estradiol, 17α-ethinylestradiol, and bisphenol… read more here.
Keywords: sorption; carbon; dissolved black; triplet ... See more keywords
Partitioning and Bioaccumulation of Legacy and Emerging Hydrophobic Organic Chemicals in Mangrove Ecosystems.
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DOI: 10.1021/acs.est.8b06122
Abstract: Knowledge regarding partitioning behavior and bioaccumulation potential of environmental contaminants is important for ecological and human health risk assessment. While a range of models are available to describe bioaccumulation potential of hydrophobic organic chemicals (HOCs)… read more here.
Keywords: mangrove ecosystems; legacy emerging; hydrophobic organic; bioaccumulation ... See more keywords
Dietary Uptake Patterns Affect Bioaccumulation and Biomagnification of Hydrophobic Organic Compounds in Fish.
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DOI: 10.1021/acs.est.9b00106
Abstract: Biomagnification of hydrophobic organic compounds (HOCs) increases the eco-environmental risks they pose. Here, we gained mechanistic insights into biomagnification of deuterated polycyclic aromatic hydrocarbons (PAHs- d10) in zebrafish with carefully controlled water (ng L-1) by… read more here.
Keywords: biomagnification; biomagnification hydrophobic; hydrophobic organic; dietary uptake ... See more keywords