Hi,
I recommend use quantity one from BIORAD but this software is provided
with the Phosphoimager. Be carefull with blot, because the linearity range
of the filme is very low, so that extrapolation or comparaison between data
is no good idea. Phosfoimager have a very high linearity range.
Bye,
<http://www.biowww.net/forum/read.php?f=1&i=3205&t=2788>