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"Companies, workers and investors alike are being challenged by the uncertainties surrounding nanotechnology workplace safety. These uncertainties include lack of sound, scientific information on occupational risks, poorly determined perceptual risks, and hesitancy over nanotechnology oversight," according to co-authors Andrew Maynard and David Y.H. Pui in an article in the latest issue of the Journal of Nanoparticle Research. This is a special journal issue devoted to nanoparticles and occupational health.
"Workers are society's canaries-in-the-coal mines when it comes to the environmental, health and safety effects of new materials--and nanoscale materials are no different," said Maynard, chief scientist of the Woodrow Wilson Center's Project on Emerging Nanotechnologies.
"The good news is that international concern over how to ensure safe nanotech workplaces has resulted in some progress. The bad news is that critical questions about worker safety--and about broader environmental, human health and safety issues--remain unanswered," stated Maynard.
Areas of specific progress that Maynard and the University of Minnesota's Pui highlight in their article include new instrumentation capable of better measurement of airborne nanostructured particles, innovative ways of controlling exposure to airborne nanoparticles, and the effectiveness of filters in removing nanometer-diameter particles from the air. Reports on these advances are included in the Journal of Nanoparticle Research special issue published in January 2007 by Springer (Mihail C. Roco, Editor-in-Chief; Andrew Maynard and David Y.H. Pui, Guest Editors). See: http://www.springerlink.com/content/p13817kll818/.
Nanotechnology is the ability to measure, see, manipulate and manufacture things usually between 1 and 100 nanometers. A nanometer is one billionth of a meter; a human hair is roughly 100,000 nanometers wide.
In less than a decade, nanotechnology is predicted to result in $2.6 trillion in manufactured goods annually. Already, there are almost 400 manufacturer-identified nanotechnology-based consumer products on the market--ranging from computer chips to automobile parts and from clothing to cosmetics and dietary supplements. See: www.nanotechproject.org/consumerproducts. Lux Research estimates the number of jobs involved in making nano-enabled products will rise from about 50,000 today to more than 10 million in 2014.
"Little is known about potential risks in many areas of nanotechnology--and funding for risk-focused research is a small fraction of the nearly $10 billion spent annually by governments and industry on nanotechnology commercial applications. Greater resources and attention are needed now on nanotechnology occupational health and safety research in order to ensure safe nano-workplaces today and in the future," said Maynard.
Andrew Maynard is an internationally recognized leader in the fields of aerosol characterization and the implications of nanotechnology to human health and the environment. Before he joined the Wilson Center in 2005, Dr. Maynard worked at the National Institute for Occupational Safety and Health (NIOSH), part of the U.S. Centers for Disease Control and Prevention (CDC), where he was instrumental in developing NIOSH's nanotechnology research program.
Dr. David Y.H. Pui is a well-known researcher and Distinguished McKnight University Professor at the University of Minnesota's Department of Mechanical Engineering. Pui has approximately 250 publications in the field of aerosol science and technology, including studies on nanoparticle production, measurement, and filtration.
About Project on Emerging Nanotechnologies
The Project on Emerging Nanotechnologies is an initiative launched by the Woodrow Wilson International Center for Scholars and The Pew Charitable Trusts in 2005. It is dedicated to helping business, government and the public anticipate and manage possible health and environmental implications of nanotechnology. For more information about the project, log on to http://www.nanotechproject.org .
The Pew Charitable Trusts is a national charitable organization serving the public interest by informing the public, advancing policy solutions and supporting civic life. Based in Philadelphia, with an office in Washington, D.C., the Trusts will invest $248 million in fiscal year 2007 to provide organizations with fact-based research and practical solutions for challenging issues.
The Woodrow Wilson International Center for Scholars is the living, national memorial to President Wilson established by Congress in 1968 and headquartered in Washington, D.C. The Center establishes and maintains a neutral forum for free, open, and informed dialogue. It is a nonpartisan institution, supported by public and private funds and engaged in the study of national and international affairs.
The Journal of Nanoparticle Research is the first interdisciplinary journal devoted to nanoparticle science and technology. Its objective is to disseminate knowledge of the physical, chemical and biological phenomena and processes in structures that have at least one lengthscale ranging from molecular to approximately 100 nm (or submicron in some situations), and exhibit improved and novel properties that are a direct result of their small size.
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