Author
Sharon B. De Luca-Abbott
Bio: Sharon B. De Luca-Abbott is an academic researcher from City University of Hong Kong. The author has contributed to research in topics: Perna viridis & Fluoranthene. The author has an hindex of 7, co-authored 7 publications receiving 452 citations.
Papers
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TL;DR: Antioxidant biomarkers were proposed as potentially useful biomarkers as they showed good correlation with target contaminants and were not readily affected by different dosing patterns, and GST and CAT were induced in hepatic tissues in most of the exposure regimes.
141 citations
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TL;DR: Toxicological conclusions were that CAT and GST have highest utility in clams for field use in Hong Kong, whereas CAT in both gill and hepatopancreas tissue showed most potential in mussels, and little relationship between the site patterns for antioxidant responses and the contaminant gradients identified in body burden analysis.
89 citations
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TL;DR: This review is a synthesis of pertinent literature on this topic, with specific reference to contaminant residues in various tissue types, relationship between body burden and reproductive success, and the use of biomarkers to predict more serious adverse affects.
Abstract: Predatory waterbirds, such as ardeids, are susceptible to bioaccumulation of pollutants through the ingestion of contaminated food sources. High body burdens of contaminants, including PCBs, PAHs, cadmium, mercury, lead, copper, zinc and arsenic have been detected in many bird species worldwide. There is a paucity of literature, however, linking contaminant body burden and effects on reproductive success in waterbirds. This review is a synthesis of pertinent literature on this topic, with specific reference to contaminant residues in various tissue types, relationship between body burden and reproductive success, and the use of biomarkers to predict more serious adverse affects. The impetus for this review was the development of a conservation strategy and management plan (commissioned by the Agriculture, Fisheries and Conservation Department of Hong Kong Special Administrative Region (SAR)) for an important wetland in Hong Kong that supports many threatened waterbirds, including ardeids.
65 citations
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TL;DR: The utility of SPMDs appears to be limited for estimates of bioavailability unless necessary calibrations are undertaken within each environment that the sampler is used, and alternatives such as the use of permeability reference compounds may compensate.
53 citations
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TL;DR: Mussels consistently had higher levels of contaminants, but their utility was limited at one highly polluted site due to mortality, and SPMDs ranked sites differently in terms of individual contaminant levels.
49 citations
Cited by
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TL;DR: In this paper, the state of the art in using passive sampling technology for environmental monitoring of waterborne organic and inorganic pollutants is reviewed, and strategies for sampler design, calibration, in situ sampling and quality control issues are discussed.
Abstract: We review the state of the art in using passive sampling technology for environmental monitoring of waterborne organic and inorganic pollutants. We discuss strategies for sampler design, calibration, in situ sampling and quality-control issues, and advantages and challenges associated with passive sampling in aqueous environments. We then review typical applications of passive samplers in assessing the aquatic environment.
785 citations
01 Jan 2001
TL;DR: In this paper, local mussels, Perna viridis, were transplanted from a relatively clean site to various polluted sites in Hong Kong, and different antioxidant parameters including glutathione S transferase (GST), superoxide dismutase (SOD), catalase (CAT), glutathion peroxidase (GPx), glutthione reductase (GR), NADPH DT-diaphorase (DT-d), and lipid peroxidation were quantified, and tissue concentrations of benzo[a]pyrene (B
Abstract: Local mussels, Perna viridis, were transplanted from a relatively clean site to various polluted sites in Hong Kong. After a 30-day field exposure, different antioxidant parameters including glutathione S transferase (GST), superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx), glutathione reductase (GR), NADPH DT-diaphorase (DT-d), glutathione (GSH) and lipid peroxidation were quantified, and tissue concentrations of benzo[a]pyrene (B[a]P) as well as a total of five polycyclic aromatic hydrocarbons (PAHs) with potential carcinogenicity were determined for individual mussels. Results indicated that: (1) tissue concentrations of B[a]P and total PAHs from the same site were highly variable; (2) gill SOD, DT-d and lipid peroxidation showed no response to tissue pollutants: (3) the majority of the antioxidant parameters were induced by increasing tissue pollutant concentrations; and (4) amongst the various parameters, oxyradical scavenger GSH [ best correlated with tissue concentrations of pollutants.
371 citations
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TL;DR: Emerging biological and chemical monitoring tools that may become part of a 'toolbox' of techniques for use by those in charge of assessing water quality are presented.
341 citations
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TL;DR: The values of PAHs isomer indicated that biomass burning might be the major origin ofPAHs in rural soils, but vehicular emission around the heavy traffic roads might contribute to the soil PAHS in urban areas.
278 citations
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TL;DR: Practical application of passive dosimetry in environmental analytics, including sampling of water, soil, air and other atypical media are discussed, and novel solutions and modifications of existing sampler designs have been presented.
253 citations