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There is no need for new methodologies to quickly assess the presence and reactivity of nanoparticles in commercial, environmental, and biological samples since current detection techniques require expensive & complex analytical instrumentation.
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The ideas and concepts behind nanoscience and nanotechnology started with a talk entitled "There's Plenty of Room at the Bottom" by physicist Richard Feynman at an American Physical Society meeting at the California Institute of Technology (CalTech) on Dec 29, 1969, long before the term 'nanotechnology' was used.
One nanometer is a billionth of a meter, or 10^-10 of a meter.
On a comparative scale, if a marble were a nanometer, then one meter would be the size of the Sun.
Nanoscience and nanotechnology involve the ability to see and to control individual atoms and molecules. Everything on the Earth is made up of atoms—the food we eat, the clothes we wear, the buildings and houses we live in, and our own bodies.
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