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Are there any potential alternatives to antibiotics? For example could nanotechnology be used?

Yes, bunch of alternatives:

- bacteriophages (viruses that kill bacteria) - vitamin C for some bacteria, vitamin D, other supplements like MSM. Most must be used in megadoses for this effect. - plant AB's (onion, black pepper, curcumin, the list is enormous and probably infinite)

There's a very good documentary about bacteriophages:

http://www.youtube.com/watch?v=U6sZ7E9Hh-Y

It's history is muddied, mainly because of money & politics.

Apart from 'sacred rivers' the best known example is probably your mouth - viruses do kill majority bacteria there until you start to adopt non-natural cleaning systems (i.e. toothpaste) and carb overflowing you are actually making thing worse.

Bacteriophages, while fun, and something I once wanted to work in, are nowhere near as "point and click" efficacious as antibiotics are, even under the most optimistic scenarios.

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