Oh, sorry, I forgot one additional question regarding Carnoy's: in the protocols I found, Carnoy's is prepared using DRY methanol. Sorry for my ignorance, but does this mean that methanol has to be specifically treated to remove any hygroscopic etc water? Note that this is specifically intended for preserving intestinal mucus, which I guess might be sensitive to water-containing fixatives (although I presume there can't be more water in ordinary methanol than introduced by the tissue sample itself).

With best regards,
Mikael

On 21.11.2014 12:23, Mikael Niku wrote:
Hello!

What is the best way to fix intestinal samples in order to preserve the mucus (and the embedded bacteria)? I was recommended Carnoy's, but are there any alternatives... perhaps without chloroform?

With best regards,
Mikael

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