Don't rush it. We may be dealing
with befoulment on a MOLECULAR level.
The Big Bang Theory Season 6, Episode 9
How about a MOLECULAR sieve?
The Big Bang Theory Season 2, Episode 18
...and look for the seminar
on MOLECULAR positronium, then...
The Big Bang Theory Season 1, Episode 10
...on MOLECULAR positronium.
The Big Bang Theory Season 1, Episode 10
...and destroy the MOLECULAR bonds
that bind your very matter together...
The Big Bang Theory Season 1, Episode 13