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Environmental systems are subject to influences from factors both big and small. At the smallest end of that scale are engineered and naturally occurring nanoparticles. The use of nanoparticles has much promise in a number of fields including medicine, energy, manufacturing, and remediation. However, the characterization, reactivity, fate, and transport of nanoparticles, as well as their impacts on human and animal health and usefulness in sensing and remediation, are not well understood. The University of Delaware will host a conference, "Environmental Nanoparticles: Science, Ethics, and Policy" on November 10-11, 2008, that will feature presentations by nationally and internationally recognized scientists, engineers, ethicists, and science policy experts. Major themes of the conference include human and environmental health, fate and transport, sensing and remediation, and future policy directions.
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