

PERHAPS MORE COMPELLING than nanomedicines
potential to cheat death is its potential
to improve life. As Claudia Kalb wrote in Newsweek in Jan 2000, Nanomedicine
isn't just about getting rid of the bad--it's about enhancing the good. Imagine
artificial red blood cells containing tiny nanopumps that would compress oxygen,
allowing each cell to carry more than 200 times as much as its human counterpart.
Are you at high risk of having a coronary? Doctors would inject you with an
army of nanocells. Even if your heart shut down during an attack, you'd continue
to be nourished with lifesaving oxygen.
When cancer is detected too late, people die.When cancer is detected early
enough, it can be treated through a number of different methods including
chemotherapy, radiation and surgery. Dr. James Baker at the University of
Michigan is designing a kind of smart bomb that would target cancer cells
by reading their chemical signatures and be small enough (about 20 nanometers)
to get inside an individual cell and blast it away. The detection and treatment
would be painless and never known to the patient. Imagine walking into your
doctors office and asking for a prescription of cancer detectors.
The elderly will have bones as strong as their children through chemical regulators
through life. No more broken hips from simple acts of walking.
Another example is the work of Dr. Desai of Boston University as described
in The Economist in December 2001. A typical example of the state
of the nanobiotechnological or nanomedicine art is Tejal Desai's artificial
pancreas. Dr. Desai is aiming to produce something that could be implanted
into those diabetics who now have to inject themselves with insulin--a hormone
that is produced in the "islet" cells of the pancreas. Through
the use of nanomedicine, nanopores are being developed to complete the change
in insulin delivery and improve the quality of diabetic lives.
The potential uses of nanomedicine are as long as the list of diseases. Treatments
themselves will be innocuous and the need for them increasingly infrequent.
Nanomedicines potential to improve quality of life is immense.

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