Environmental Agency Nanotechnology

ScienceWatch.com thomsonreuters.com

Article: Toxic potential of materials at the nanolevel

Authors: Nel, A;Xia, T;Madler, L;Li, N
Journal: SCIENCE, 311 (5761): 622-627 FEB 3 2006
Addresses: Univ Calif Los Angeles, David Geffen Sch Med, Dept Med, Los Angeles, CA 90095 USA.
Univ Calif Los Angeles, David Geffen Sch Med, Dept Med, Los Angeles, CA 90095 USA.
Univ Calif Los Angeles, Calif NANOSyst Inst, Los Angeles, CA 90095 USA.
Univ Calif Los Angeles, Dept Chem & Biomol Engn, Los Angeles, CA 90095 USA.

Nanomaterial Mechanisms for Oxygen Radical production.Andre Nel talks with ScienceWatch.com and answers a few questions about this month's Fast Moving Fronts paper in the field of Pharmacology & Toxicology.

Why do you think your paper is highly cited?

Our paper is highly cited because it considers the interdisciplinary interactions that are needed for the safe implementation of nanotechnology in humans and the environment. Not only is the topic of nanomaterial safety of great importance to the global economy, industry, regulatory agencies, scientists, and the public at large, but it also introduces a level of complexity that requires a new level of thinking.

Our paper has contributed to the developing insight into this area because of our past experience in air pollution health effects in which knowledge of real-life exposure scenarios to small air pollution particles have led to an understanding of how nanoparticles could possibly induce disease and what investigational tools, physicochemical characterization, biological screening assays, epidemiology, exposure assessment, risk analysis, and regulatory decision-making are required for investigating and dealing with toxicological events at nanoscale level.

This approach allowed us to consider the integration of the scientific disciplines that are required to understand and make appropriate decisions about engineered nanomaterial safety. This multidisciplinary exercise has to consider materials science, chemistry, physics, biology, toxicology, occupational medicine, ecology and ecotoxicology, computer science, social science, and policy formulation.

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Nope, not in the least.computational

by JiminyCrickets

Advancement is not science fiction. Nanotechnology is no science fiction.
Database supercomputers are not science fiction.
The scale of quantum computing is not science fiction.
10 years ago Stephen Hawking wrote
"At the moment, computers show no sign of intelligence. This is not surprising, because our present computers are less complex than the brain of an earthworm. But it seems to me that if very complicated chemical molecules can operate in humans to make them intelligent, then equally complicated electronic circuits can also make computers act in an intelligent way

You haven't done enough investigating

by JiminyCrickets

We have no idea what consciousness is or when it takes place. The mega computer centers will be as large as New York City and be stationed out in space performing multiple quintillion computation per millisecond.
Dwarfing human computation - in fact dwarfing the entire human population of computation by many trillion fold.
Humans are a threatened species and we are unwittingly creating the predator.
Once nanotechnology starts building the nano components you will see a drastic rise in computational quota.

Nanotubes Increase Solar PV Conductivity 100 Million-Fold  — Sourceable
Carbon-based nanostructures are already being used as materials in solar cells with increasing frequency, yet their ability to enhance electrical performance has thus far been hampered by limited ability to assemble orderly networks using the materials.

William Andrew Nanotechnology Environmental Health and Safety, Second Edition: Risks, Regulation, and Management (Micro and Nano Technologies)
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Progressive Management Nanotechnology Risk Encyclopedia: Medical, Environmental, Ethical, Legal, and Societal Implications of Nanomaterials
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BiblioGov House Hearing, 109th Congress: Research on Environmental and Safety Impacts of Nanotechnology: What are the Federal Agencies Doing
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