Why freeze autorads?

THE GREEK pxpst2 at vms.cis.pitt.edu
Fri Nov 22 16:58:15 EST 1996


In article <56vh41$292s at piglet.cc.uic.edu>, blackman at tigger.cc.uic.edu
(Samuel C. Blackman) wrote:

> My labmates and I, obviously with too much time on our hands, were 
> wondering why we put our 32P-labelled autorads in the freezer at -80C.
> Our advisor hypothesized that the low temp. promotes a more "focused"
> autorad, but without a good explanation for that.  The decay equation
> has no mention of temperature, so we're stumped.  Any ideas?


Here is the correct answer.  The shield that is in your dark box that
reflects the radiative energy back thorough the film (yes this is a
ampliflier) does not function above -50 due to brownian motion.
Peter Pediaditakis pxpst2 at vms.cis.pitt.edu

Whatchout for bullshit



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