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Environmental organic chemistry
TLDR
An Introduction to Environmental Organic Chemicals is given in this article, where the authors present an overview of the main steps in the development of these processes, including the following: Sorption I: General Introduction and Sorption Processes Involving Organic Matter. Sorption II: Partitioning to Living Media - Bioaccumulation and Baseline Toxicity.Abstract:
Preface. Part I: Introduction. 1. General Topic and Overview. 2. An Introduction to Environmental Organic Chemicals. Part II: Equilibrium Partitioning Between Gaseous, Liquid, and Solid Phases. 3. Partitioning: Molecular Interactions and Thermodynamics. 4. Vapor Pressure. 5. Activity Coefficient and Solubility in Water. 6. Air-Organic Solvent and Air-Water Partitioning. 7. Organic Liquid-Water Partitioning. 8. Organic Acids and Bases: Acidity Constant and Partitioning Behavior. 9. Sorption I: General Introduction and Sorption Processes Involving Organic Matter. 10. Sorption II: Partitioning to Living Media - Bioaccumulation and Baseline Toxicity. 11. Sorption III: Sorption Processes Involving Inorganic Surfaces. Part III: Transformation Processes. 12. Thermodynamics and Kinetics of Transformation Reactions. 13. Chemical Transformations I: Hydrolysis and Reactions Involving Other Nucleophilic Species. 14. Chemical Transformations II: Redox Reactions. 15. Direct Photolysis. 16. Indirect Photolysis: Reactions with Photooxidants in Natural Waters and in the Atmosphere. 17. Biological Transformations. Part IV: Modeling Tools: Transport and Reaction. 18. Transport by Random Motion. 19. Transport Through Boundaries. 20. Air-Water Exchange. 21. Box Models. 22. Models in Space and Time. Part V: Environmental Systems and Case Studies. 23. Ponds, Lakes, and Oceans. 24. Rivers. 25. Groundwater. Appendix. Bibliography. Index (Subject Index, Compound Index, List of Illustrative Examples).read more
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Biogeochemical cycling of PCBs in lakes of variable trophic status: A paired-lake experiment
Jeff D. Jeremiason,Steven J. Eisenreich,Michael J. Paterson,Ken G. Beaty,Robert E. Hecky,James J. Elser +5 more
TL;DR: A paired whole-lake experiment was conducted on two remote, atmospherically driven lakes in the Experimental Lakes Area (ELA) to examine the stresses of trophic condition on air-water exchange and settling fluxes of polychlorinated biphenyls (PCBs) as mentioned in this paper.
Journal ArticleDOI
Dually degradable click hydrogels for controlled degradation and protein release
TL;DR: This work demonstrates the use of cleavable click linkages formed by Michael-type addition reactions in conjunction with hydrolytically Cleavable functionalities for the degradation of injectable hydrogels by dual mechanisms for controlled protein release.
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Oxidation of Substituted Catechols at the Air–Water Interface: Production of Carboxylic Acids, Quinones, and Polyphenols
TL;DR: The generation of maleinaldehydic, maleic, pyruvic, glyoxylic, and oxalic acids confirms the potential of oxy aromatics to produce light-absorbing aqueous secondary organic aerosols in the troposphere.
Journal ArticleDOI
Sorption-desorption hysteresis of phenanthrene--effect of nanopores, solute concentration, and salinity.
Wenling Wu,Hongwen Sun +1 more
TL;DR: Phenanthrene sorption and desorption from sediment/soil in fresh and saline water were measured, and effects of nanopores, solute concentration, and salinity on sorption-desorption hysteresis were discussed.
Journal ArticleDOI
Contaminação de águas superficiais por agrotóxicos em função do uso do solo numa microbacia hidrográfica de Agudo, RS
Edson Campanhola Bortoluzzi,Danilo dos Santos Rheinheimer,Celso S. Gonçalves,J. B. R. Pellegrini,Renato Zanella,André Carlos Cruz Copetti +5 more
TL;DR: In this article, a trabalho com o intuito de quantificar a presenca de moleculas de agrotoxicos in aguas superficiais of tres unidades paisagisticas (UP) with different configuracoes de uso, was conducted.