Environmentally friendly assessment of organic compound bioaccessibility using sub-critical water

Latawiec, AE, Swindell, AL and Reid, BJ (2008) Environmentally friendly assessment of organic compound bioaccessibility using sub-critical water. Environmental Pollution, 156 (2). pp. 467-473. ISSN 1873-6424

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Abstract

The evaluation of microbial availability of contaminants is of high importance for better reflecting the processes governing contaminant fate in soil and for establishing the risk associated with contaminated sites. A sub-critical water extraction technique was assessed for its potential to determine the microbially degradable fraction of [14C]phenanthrene-associated activity in two dissimilar soils at three different ageing times (14, 28 and 49 days). For the majority of determinations, no significant (p > 0.05) difference between sub-critical water-extracted 14C-activity at 160 °C and the fraction mineralized by catabolically active Pseudomonas sp. was observed. Collectively, the results suggested that the sub-critical water extraction technique was an appropriate technique for predicting the biodegradable fraction of phenanthrene-associated 14C-activity in dissimilar soils following increasing soil-contaminant contact time. Sub-critical water extraction reflects phenanthrene bioaccessibility in the soil.

Item Type: Article
Faculty \ School: Faculty of Science > School of Environmental Sciences
University of East Anglia > Faculty of Science > Research Centres > Centre for Ecology, Evolution and Conservation
University of East Anglia > Faculty of Science > Research Groups > Environmental Biology
University of East Anglia > Faculty of Science > Research Groups > Resources, Sustainability and Governance
University of East Anglia > Faculty of Science > Research Groups > Environmental Earth Sciences
University of East Anglia > Faculty of Science > Research Groups > Geosciences and Natural Hazards
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Depositing User: Rosie Cullington
Date Deposited: 25 Feb 2011 12:20
Last Modified: 25 Jul 2018 05:23
URI: https://ueaeprints.uea.ac.uk/id/eprint/24703
DOI: 10.1016/j.envpol.2008.01.019

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