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Dear Gary--

On 11/19/2013 4:08 PM, Laevsky, Gary S. wrote:

> Years ago we used something like Soave hair gel, or something similar, to maintain a tall meniscus for long periods of time (the index was very close to water).  It was also safe for the coatings, or so we thought at the time.
>
> The oils with indices  close to water that are available now are not nearly viscous enough.
>
> Does anybody know of any options?

There was a thread on this a few years ago.  Guy Cox had the last word 
on it, figuratively and literally.  Here's the link:

http://lists.umn.edu/cgi-bin/wa?A2=ind0903&L=CONFOCALMICROSCOPY&P=R52373

Good luck!

Martin
-- 
Martin Wessendorf, Ph.D.                   office: (612) 626-0145
Assoc Prof, Dept Neuroscience                 lab: (612) 624-2991
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