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Bioavailability, Bioaccessibility and Mobility of Environmental Contaminants

Bioavailability, Bioaccessibility and Mobility of Environmental Contaminants

John R. Dean - Collection Analytical Techniques in the Sciences

292 pages, parution le 20/04/2007

Résumé

This book covers all aspects of bioavailability, as related to environmental contaminants. After a discussion of the definition of bioavailability and its context, focus is placed on the role of risk assessment and bioavailability. Methods of analysis are then discussed including a range of atomic spectroscopic and electrochemical techniques for metal analysis and chromatographic approaches for persistent organic pollutants (POPs). The occurrence, properties and eco-toxicity of POPs and metals in the soil/sediment environment are discussed. Particular emphasis is placed on the uptake of POPs and metals by plants (phytoextraction). Examples of POPs and metals in the environment are reviewed.

Methods to assess the bioavailability of POPs and metals in the environment are discussed. The particular approaches considered are:

  • non-exhaustive extraction techniques
  • single extraction techniques
  • sequential extraction techniques
  • use of cyclodextrin and surfactants
  • in-vitro gastrointestinal methods including physiological-based extraction test
  • the use of bioasssays including earthworms.

Finally, selected case studies highlight the importance of determining the bioavailability of POPs and metals.

L'auteur - John R. Dean

John R. Dean took his first degree in Chemistry at the University of Manchester Institute of Science and Technology (UMIST), followed by an M.Sc. in Analytical Chemistry and Instrumentation at Loughborough University of Technology, and finally a Ph.D. and D.I.C. in Physical Chemistry at the Imperial College of Science and Technology (University of London). He then spent two years as a postdoctoral research fellow at the Food Science Laboratory of the Ministry of Agriculture, Fisheries and Food in Norwich, in conjunction with the Polytechnic of the South West in Plymouth. His work there was focused on the development of directly coupled high performance liquid chromatography and inductively coupled plasma-mass spectrometry methods for trace element speciation in foodstuffs. This was followed by a temporary lectureship in Inorganic Chemistry at Huddersfield Polytechnic. In 1988, he was appointed to a lectureship in Inorganic/Analytical Chemistry at Newcastle Polytechnic (now Northumbria University). This was followed by promotion to Senior Lecturer (1990), Reader 1994), Principal Lecturer (1998) and Associate Dean (Research) (2004). He was also awarded a personal chair in 2004. In 1998, he was awarded a D.Sc. (University of London) in Analytical and Environmental Science and was the recipient of the 23rd Society for Analytical Chemistry (SAC) Silver Medal in 1995. He has published extensively in analytical and environmental science. He is an active member of The Royal Society of Chemistry (RSC) Analytical Division, having served as a member of the atomic spectroscopy group for 15 years (10 as Honorary Secretary), as well as a past Chairman (1997-1999). He has served on the Analytical Division Council for three terms and is a former Vice-President (2002-2004), as well as a past-Chairman of the North-East Region of the RSC (2001-2003).

Sommaire

  • Contaminated land and the link to human health.
  • Sample preparation and analytical techniques for elemental analysis of environmental contaminants.
  • Sample preparation and analytical techniques for persistent organic pollutant analysis of environmental contaminants.
  • Methods used to assess bioavailability of metals.
  • Methods used to assess bioavailability of persistent organic pollutants.
  • Methods used to assess bioaccessibility.
  • Selected case studies on bioavailability, bioaccessibility and mobility of environmental
  • Recording of information in the laboratory and other selected resources..
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Caractéristiques techniques

  PAPIER
Éditeur(s) Wiley
Auteur(s) John R. Dean
Collection Analytical Techniques in the Sciences
Parution 20/04/2007
Nb. de pages 292
Format 15 x 23
Couverture Broché
Poids 454g
Intérieur Noir et Blanc
EAN13 9780470025789
ISBN13 978-0-470-02578-9

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