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Hi
John,
We would
suggest trying LysoSensor Yellow/Blue
DND-160 (L7545). It has a pKa of 4.2
and is useful in the range of 3.5 to 6.0. It actually becomes more
fluorescent with increasing acidity.
Regards,
Mike Ignatius, Ph.D.
Molecular
Probes labeling and detection technologies
INVITROGEN | 29851 Willow Creek Road, Eugene, OR
97402-9132
Tel: 541-335-0414 | [hidden email]
With help
from Magnus Persmark who researched this
response.
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Hi Everyone,
I am searching for a good pH sensitive dye to
detect very low pH values (roughly 2-6). I have found CL-NERF has been
used for this purpose before, but molecular probes (now Invitrogen) no longer
manufactures this dye and I can not find any other sources of it. Does
anyone happen to have any of this dye or know where it can be procured?
Alternatively, are there any good suggestions for any other dye that can detect
at these pH values?
Thanks,
John Garner
Formulations Specialist
Akina
Inc.
1291 Cumberland Avenue
West Lafayette, IN 47906
Tel: (765)
464-0501 x6
Fax: (765) 464-0820
[hidden email]
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