"Spicy world of NanoScience"
Nanotechnology is an actively growing sector of our economy which will bring about the inadvertent release of nanoproducts (NPs) in the environment. NP on the 1–100 nm scale brings about emergent properties of tremendous commercial interest such as increased mechanical strength, efficient semiconduction, high charge energy transfer (solar energy), chemical (drug) binding, and optical properties (stains, color). While these NP will likely benefit the quality of many aspects of our lives, these compounds could be harmful to wildlife including humans. The diversity in the chemical composition and surface properties of NP complicates the nomenclature and classification in homologous groups or families, hence, the need to characterize their basic properties and their behaviour (reactivity or stability) in environmental compartments. Indeed, the various physical and chemicals properties of these NPs beyond the chemical composition can influence their reactivity towards biomolecular targets and initiate toxicity. Depending on the type, size, and surface area properties of these NPs, toxicity could prevail at different trophic levels and persist in aquatic sediments or surface waters. >>
We take interest in manuscripts that deal with the understanding of the properties of NPs that could initiate toxicity in terrestrial and aquatic organisms. Studies examining the toxicity of NPs at the molecular, cellular, and physiological levels are particularly of interest especially when NP characterisation data are provided. Risk assessment approaches for NP are also welcomed. Papers addressing the vectorisation effects of NPs; that is, the potential of contaminants to bind to and be transported by NP in tissues are also of importance. Potential topics include, but are not limited to:
Lead Guest Editor:
François Gagné, Biochemical Ecotoxicology Group, Environment Canada, 105 Mc Gill, Montréal, QC, Canada H2Y 2E7
Christian Gagnon, Environmental Chemistry unit, Environment Canada, 105 Mc Gill, Montréal, QC, Canada
Anne-Noëlle Petit, Laboratoire de Chimie et Biologie de Métaux, UMR 5249 CEA-CNRS-UJF, CEA- Grenoble, 17 rue des Martyrs, Grenoble, France
Laura Canesi, Dipartimento di Biologia, Università di Genova, Corso Europa 26, 16132, Genoa, Italy
Manuscript Due: June 15, 2011
First Round of Reviews: September 15, 2011
Publication Date: December 15, 2011
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