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Chemical bioavailability in terrestrial environments /
This book begins with an overview of current thinking on bioavailability, its definition, cutting edge research in speciation and advancement in tools for assessing chemical bioavailability in the terrestrial environment. The second section of the book focuses on the role of chemical speciation in b...
| Clasificación: | Libro Electrónico |
|---|---|
| Otros Autores: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Amsterdam ; London :
Elsevier,
2008.
|
| Colección: | Developments in soil science ;
v. 32. |
| Temas: | |
| Acceso en línea: | Texto completo Texto completo Texto completo |
Tabla de Contenidos:
- Cover; Contents; List of contributors; Preface; Chapter 1. Chemical bioavailability in terrestrial environments; 1.1 Introduction; 1.2 Conclusion; References; A: Bioavailability
- new concepts and definitions; Chapter 2. Contaminant chemistry in soils: key concepts and bioavailability; 2.1 Introduction; 2.2 Nature and sources of contaminants; 2.3 Contaminant interactions in soil; 2.4 Key soil properties influencing chemical bioavailability in soils; 2.5 Accessibility to contaminants bound to soil determines biodegradation of contaminants; 2.6 Concluding remarks; References
- Chapter 3. Bioavailability: definition, assessment and implications for risk assessment3.1 Introduction; 3.2 Definition of bioavailability; 3.3 Methods for the assessment of contaminant bioavailability; 3.4 Bioavailability implications to risk assessment; References; Chapter 4. Bioavailability: the underlying basis for risk-based land management; 4.1 Introduction; 4.2 Risk-based land management; 4.3 Bioavailability and risk management; 4.4 Risk management
- policy; 4.5 Sources and definition of contamination; 4.6 Contaminant interaction; 4.7 Key contaminants
- 4.8 Contaminant interaction varies with soil type4.9 Historical approach to remediation; 4.10 Risk assessment; 4.11 Case study: As contaminated soil
- application of risk-based land management; 4.12 Conclusion; References; Chapter 5. Bioavailability of sorbed pesticides to bacteria: an overview; 5.1 Introduction; 5.2 Sorption influences bioavailability; 5.3 Desorption-limited degradation; 5.4 Role of surfactant molecules; 5.5 Species-specific interactions and bioavailability; 5.6 Conclusion; References; Chapter 6. Mechanistic Approach for Bioavailability of Chemicals in Soil; 6.1 Introduction
- 6.2 Soil and rhizosphere system6.3 Rhizosphere, a competitive environment; 6.4 Food web complications; 6.5 Spatiotemporal variability of exposure; 6.6 Conceptual simplifications; Acknowledgement; References; B: The role of chemical speciation in bioavailability; Chapter 7. Frontiers in assessing the role of chemical speciation and natural attenuation on the Bioavailability of Contaminants in the Terrestrial Environment; 7.1 Introduction; 7.2 Isotopic dilution techniques; 7.3 Microbeam synchrotron X-ray fluorescence of human teeth
- 7.4 XANES and XRF studies of Cr speciation in particulate matter7.5 XANES and EXAFS analyses of As in soils; 7.6 Complementary spectroscopic analyses of lacustrine sediments; 7.7 Summary; Acknowledgements; References; Chapter 8. Process-based approach in the study of bioavailability of ions in soils; 8.1 Introduction; 8.2 Donnan membrane technique; 8.3 Multisurface models; 8.4 Competition between ions for uptake; 8.5 Ion transport and bioavailability; 8.6 Outlook for future research; Acknowledgement; Reference; Chapter 9. DGT measurements to predict metal bioavailability in soils