DNA crosslinking on nylon memberane

[TC]

Hello,

I am trying to crosslink DNA to nylon membrane for southern blots.  Besides
traditional UV crosslinking (may induce DNA damage) and baking (causes DNA
to denature), are there any other way to crosslink DNA onto nylon
memberanes?  For my purpose, I hope minimize DNA damage and keep that DNA in
native condition for the Southern blots.

THANKS~!

Tracy