Potential benefits and threats of nanotechnology researchQuicklink submitted by Susan Lee Schwartz Permalink
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|'Every day scientists learn more about how the world works at the smallest scales. While this knowledge has the potential to help others, it's possible that the same discoveries can also be used in ways that cause widespread harm'... A new report ' examines the potential for nano-sized particles (which are measured in billionths of a meter) to breach the blood-brain barrier, the tightly knit layers of cells that afford the brain the highest level of protection -- from microorganisms, harmful molecules, etc. Some neuroscientists are purposefully engineering nanoparticles that can cross the blood-brain barrier (BBB) so as to deliver medicines in a targeted and controlled way directly to diseased parts of the brain...' At the same time, the report notes, 'nanoparticles designed to cross the BBB constitute a serious threat'in the context of combat.'|
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