Nanotechnology continues to enjoy high global visibility as well as considerable governmental, industrial and private investment. The held is gaining acceptance as a promising chemical "toolbox" in a variety of market areas. In 2008, nanotechnology investment exceeded 15 billion dollars (USD) with 28 percent of that amount spent in the U.S., followed by 25 percent in Western Europe, 20 percent in Japan and 23 percent in the rest of the world. Since the U.S. government established the National Nanotechnology Initiative in 2001, more than 8 billion dollars in federal funds have been disbursed for nanotech R&D.
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