Ethidium Bromide question

[Mark Walberg]

Hopkins, Charlotte wrote:
> 
> I am trying to find out which way Ethidium bromide runs in an agrose gel.  Is
> it in the same direction as the DNA (negative to positive) or in the opposite
> direction
> My email address is hopkinsc at tui.lincoln.ac.nz
> 
> Many thanks for any advice you may have
> 
> Charlotte Cameron
> Lincoln University
> Canterbury
> New Zealand

Ethidium is positively charged.  DNA is negatively 
charged.