Hi Chris!
Molecular Probes sells a dye called Oregon Green that works at neutral pH,
but has the same absorption/emission spectrum as fluoroscein. We have only
used this for protein labling, but the catalog says they have kits
available for oligonucleotides as well. They have a website at
http://www.probes.com.
Good luck!
Linnea
On Tue, 8 Sep 1998, Chris Odt wrote:
> Hello........I am looking for a technique for the simultaneous hyb'ing of
> 2 different bacterial species (occ. found in a biofilm), with 2 different
> fluorescently labeled oligo probes.......preferably using Texas Red and
> Fluroescein as the labels. I have gotten the Texas Red to work alone in a
> pH 6.0 hybridization environment, but am stumped as to how to get the
> Fluroescein probe to work since it needs a pH 9.0 environment.
>> TIA........Chris
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