Evidence map›Paper›PMID 24288295›Full record

ReviewIntegrated environmental assessment and management2014

Passive sampling methods for contaminated sediments: scientific rationale supporting use of freely dissolved concentrations.

Philipp Mayer, Thomas F Parkerton, Rachel G Adams, John G Cargill, Jay Gan, Todd Gouin, Philip M Gschwend, Steven B Hawthorne, Paul Helm, Gesine Witt and 2 more

Abstract readReview
In one paragraph

Review in Integrated environmental assessment and management, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
36citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

36 citing papers in PubMed, 1 synthesis or guideline pooled it.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors.

Philipp MayerDepartment of Environmental Science, Faculty of Science and Technology, Aarhus University, Roskilde, Denmark; Present address is Department of Environmental Engineering, Technical University of Denmark, Kongens Lyngby, Denmark.
Thomas F Parkerton
Rachel G Adams
John G Cargill
Jay Gan
Todd Gouin
Philip M Gschwend
Steven B Hawthorne
Paul Helm
Gesine Witt
Jing You
Beate I Escher

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Passive sampling methods (PSMs) allow the quantification of the freely dissolved concentration (Cfree ) of an organic contaminant even in complex matrices such as sediments. Cfree is directly related to a contaminant's chemical activity, which drives spontaneous processes including diffusive uptake into benthic organisms and exchange with the overlying water column. Consequently, Cfree provides a more relevant dose metric than total sediment concentration. Recent developments in PSMs have significantly improved our ability to reliably measure even very low levels of Cfree . Application of PSMs in sediments is preferably conducted in the equilibrium regime, where freely dissolved concentrations in the sediment are well-linked to the measured concentration in the sampler via analyte-specific partition ratios. The equilibrium condition can then be assured by measuring a time series or a single time point using passive samplers with different surface to volume ratios. Sampling in the kinetic regime is also possible and generally involves the application of performance reference compounds for the calibration. Based on previous research on hydrophobic organic contaminants, it is concluded that Cfree allows a direct assessment of 1) contaminant exchange and equilibrium status between sediment and overlying water, 2) benthic bioaccumulation, and 3) potential toxicity to benthic organisms. Thus, the use of PSMs to measure Cfree provides an improved basis for the mechanistic understanding of fate and transport processes in sediments and has the potential to significantly improve risk assessment and management of contaminated sediments.

Indexed as

AnimalsEcotoxicologyEnvironmental MonitoringGeologic SedimentsHumansHydrophobic and Hydrophilic InteractionsOrganic ChemicalsWater Pollutants, ChemicalOrganic ChemicalsWater Pollutants, ChemicalBioavailabilityChemical activityPassive samplingRisk assessmentSediments

Identifiers

PMID24288295
PMCPMC4235458

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.