[Histonet] 4% Paraformaldehide

[Geoff McAuliffe]

Hi Ben:

Do you mean rate of penetration, speed of fixation or the actual 
concentration of formaldehyde in the solution?
Remember, formaldehyde penetrates tissue rapidly BUT fixes tissue slowly.

Geoff

Ben Spirto wrote:
> How can I measure the strength of 4 % paraformaldehide? It seems that our
> lab made 4% para does not adequately penetrate the brain tissue. Any
> suggestions?
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Geoff McAuliffe, Ph.D.
Neuroscience and Cell Biology
Robert Wood Johnson Medical School
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