RE: NANO: Passive nanofilter

From: Billy Brown (ewbrownv@mindspring.com)
Date: Mon Jul 19 1999 - 17:15:25 MDT


Technotranscendence wrote:
> What is a passive nanofilter? It is a device which filters particles
based
> on electrostatic properties at the nanometer scale. How could this be
done?
> It could do this through use of it's configuration and composition. I
> imagine a membrane with pores whereing the pores might be surrounded with
> atoms of certain types and with a certain geometry all imbedded in some
sort
> of structure. There are no moving parts per se -- hence the "passive."
>
> What could this be used for? Separation of materials obviously, including
> filtering water to greater degrees of purity, removing chemicals from
other
> liquids or gases, or separating a mixture of several substances into
various
> caches of near pure substances.

Don't osmotic filtration systems already work this way? I think I've heard
of other related applications as well, but the details escape me.

Billy Brown, MCSE+I
ewbrownv@mindspring.com



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