They’re
everywhere. In the air, in the ground, in the water… even in the food we eat
and the clothes we wear. What, you ask? This week’s topic: nanoparticles.
![]() |
Graphene, an artificial nanoparticle that is surprisingly durable. |
I suppose I was
as surprised as the next person to learn that nanoparticles are everywhere –
literally everywhere. I had always known that nanotechnology has been on the
rise; I mean, the technology we use is getting smaller and smaller. We no
longer need to have a giant boulder as a computer. We now have laptops and the
even smaller notebooks. Phones are no longer the giant rectangles you see in
old war films. We now have little, efficient handheld devices with more
processing power than some not-so-distant computers (I mean, honestly, my phone
runs faster than the computer my family was using up until the beginning of
this decade).
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Nanoparticle research is performed even by cosmetics comapnies! |
What
surprised me, however, was that nanotechnology – and nanoparticles – have been
present in our society to such a large degree. For example, Dr. Gimzewski
mentioned that Loreal, a major cosmetics company, is currently researching nanoparticles
for their products and is one of the world leaders in nanotechnology patents
(Helix).
![]() |
A pretty neat diagram of how a STM (scanning tunneling microscope) works. |
Feynman was
ahead of his time, it seems. He predicted the shift in current technology, and
even gave a decent estimation as to the natural role of nanoparticles in
organic systems (Feynman). This could not have been possible without the use of
the scanning tunneling microscope, which allowed scientists to actually analyze
particles (Nanoscience Instruments, Inc). The creation of man-made carbon
structures by usage of nanoparticles only served to prove the efficiency, and
it soon became apparent that nanoparticles were already abundant in nature. Carmelized
foods, for example, have carbon nanoparticles (grist.org). Many companies are
taking advantage of the efficiency of nanoparticles in providing minerals and
vitamins to our modern, limited diet.
Should we
worry about nanoparticles? I, for one, will not. Many are natural, and those
that are man-made are already spread out in food, vitamins, cosmetic products
and more to the point where it may be difficult to discern their presence.
However, you can always perform your own research into products if you’re
worried about nanoparticle influence. Perhaps they’ve already taken root in our
lives, providing external stimulants to our cells and triggering new types of
DNA methylation – and, by extension, gene expression – from the very day we
enter the world and take our first meal of baby formula. Maybe that’s why our
current generations are getting bigger, faster and stronger. Maybe that’s why
our athletes continue to break records and set new limits, despite the pure
impossibility of some of these feats. Or maybe that’s just the effects of a
healthy diet and proper exercise. Only
time will tell.
"Helix
Magazine." Nanotechnology and the Science of Beauty. Web. 25 May 2015.
Feynman,
Richard. "Feynman's Talk." Feynman's Talk. Web. 25 May 2015.
Malcolm,
Chris. Art in the Age of Nanotechnology. Bentley, WA: John Curtin Gallery,
2010. Print.
"Nanoparticles
in Your Food? You're Already Eating Them." Grist. 3 Dec. 2012. Web. 25 May
2015.
"Nanoscience
Instruments, Inc." Scanning Tunneling Microscopy Overview. Web. 25 May
2015.
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