You could try Vector they're good for cell surface staining:
http://www.vectorlabs.com/
Alex
On Thu, 02 Oct 2003 09:49:42 -0400, Adam Lawrence
<adamlaw at yahooFNORD.com> wrote:
>Hi-
>>Does anyone know of a blue or green fluorescent stain that will
>selectively stain the cell wall or cell membrane of gram-negative
>bacteria (Ralstonia eutropha)? Or does anyone have any guesses on
>stains that might work or companies I might try? I struck out with
>Molecular Probes and google is driving me nuts!
>>Thanks!
>Adam
