Published in the December issue of Nature Nanotechnology, the study also found that US consumers rate nanotechnology as less risky than everyday technologies like herbicides, chemical disinfectants, handguns and food preservatives.
The study, which was conducted by researchers at Rice University’s Center for Biological and Environmental Nanotechnology (CBEN), UCL and the London Business School, is the largest survey yet conducted on public willingness to use commercial nanotechnology products.
Lead researcher Professor Steven Currall, a management and entrepreneurship expert who conducted the research while a faculty member at Rice and while at UCL and London Business School, where he currently holds academic appointments, says: “By some estimates, products containing nanotechnology already account for more than $30 billion in annual global sales, but there is concern that the public’s fixation with nanotechnology’s risks – either real or imaged – will diminish consumers’ appetite for products. “Measuring public sentiment toward nanotechnology lets us both check the pulse of the industry right now, and chart the growth or erosion of public acceptance in the future.”Professor Currall and a co-author Dr Neal Lane, Rice University’s Baker Institute for Public Policy and former US Presidential Science Advisor, will report their findings at a programme and live webcast on Tuesday 5 December at 14.30–15.30 in the 5th Floor Conference Room of the Woodrow Wilson International Center for Scholars
The research was based on more than 5,500 survey responses. The authors of the article developed the surveys, which were administered by Zogby International. The surveys defined nanotechnology as involving “human-designed materials or machines at extremely small sizes that have unique chemical, physical, electrical or other properties”.
One survey polled consumers about how likely they would be to use four specific, nano-containing products: a drug, skin lotion, automobile tires and refrigerator gas coolant. This is the first large-scale study to experimentally gauge the public’s reaction to specific, nano-containing products, and Currall said the use of scenarios about plausible, specific products yielded results that challenge the assumption that the public focuses narrowly on risk.
“It was clear that people were thinking about more than risk,” he said. “The average consumer is pretty shrewd when it comes to balancing risks against benefits, and we found that the greater the potential benefits, the more risks people are willing to tolerate.”
Study co-author Dr Neal Lane, who helped craft the US’s National Nanotechnology Initiative during his tenure as director of the White House’s Office of Science and Technology Policy, said the public is likely to become more aware of nanotechnology’s risks as environmental health and safety research is completed and as nanomaterials find their way into more products. What remains to be seen is whether the public’s budding perceptions of the benefits of nanotechnology will also grow, he added: “We propose that academic bodies like the UK’s Royal Society and the US’s National Academies set up interagency clearinghouses to coordinate public education and synthesize the latest scientific findings.
“Transmitting the latest information about both risks and benefits, in a timely, thorough and transparent way, will minimise the likelihood of a polarised public debate that turns on rumour and supposition.”
The research was funded by the National Science Foundation through CBEN.
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