KY jelly is used mostly as a sexual rather than surgical lubricant, but its function is the same in both cases.  

I'm sure an equivalent product can be found in any pharmacy.  It'll be next to the condoms.

                                     Guy 



Optical Imaging Techniques in Cell Biology
by Guy Cox    CRC Press / Taylor & Francis
    http://www.guycox.com/optical.htm
______________________________________________
Associate Professor Guy Cox, MA, DPhil(Oxon)
Electron Microscope Unit, Madsen Building F09,
University of Sydney, NSW 2006
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     http://www.guycox.net
-----Original Message-----
From: Confocal Microscopy List [mailto:[log in to unmask]] On Behalf Of Steffen Dietzel
Sent: Tuesday, 24 March 2009 8:39 PM
To: [log in to unmask]
Subject: Re: Optical Coupling Gels

At 02:50 24.03.2009, you wrote:
>Hi All,
>
>Thanks for all the responses. Looks like it is time to lube up the 
>objective and......
>
>I have got hold of some Ultrasound gel from the hospital here. The 
>stuff i have is a pale blue colour. Is this like the stuff you have 
>Steffen?

Nope. Our hospital has two kinds, the "normal" 
one to which my previous post applies is colorless. They also have another one, extra-viscous, which is blue. But when I saw on the label of the blue one that it contains 80% Glycerol, I didn't even try that. No idea whether this is some kind of international color code or whether it changes from one block to the next. 
Alternatively, you may be able to mix it
yourself: Order 1,2 Propylenglycol and extract the superabsorber from a disposable diaper (unused)....

BTW, apparently KY-Jelly is a brand better known in some countries than in others, anyway I had to look it up. The respective Wikipedia article says "K-Y Jelly's original stated purpose was as a <http://en.wikipedia.org/wiki/Surgical_lubricant>surgical
lubricant, and it was often chosen by doctors because of its natural base. " I didn't even know that surgical lubricants exist, but if such a thing is still in use today, it might also be an alternative for immersion. 'Ask your local doctor or pharmacist if you have any questions or concerns about using this medicine...'

Happy lubricating

Steffen




>Cheers
>
>
>Cam

--
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Steffen Dietzel, PD Dr. rer. nat
Ludwig-Maximilians-Universität München
Walter-Brendel-Zentrum für experimentelle Medizin (WBex) Head of light microscopy

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