How about a MOLECULAR sieve?
The Big Bang Theory Season 2, Episode 18
...for that dense MOLECULAR cloud
of Aramis to dissipate.
The Big Bang Theory Season 1, Episode 3
...and destroy the MOLECULAR bonds
that bind your very matter together...
The Big Bang Theory Season 1, Episode 13
Don't rush it. We may be dealing
with befoulment on a MOLECULAR level.
The Big Bang Theory Season 6, Episode 9
...and look for the seminar
on MOLECULAR positronium, then...
The Big Bang Theory Season 1, Episode 10