Myriam,
If your samples are just the polystyrene without tissue just use the MMA and
hand process. You really don't need any xylene. I have done it before with
no problems.
Ruth Yaskovich
National Institutes of Health  
N.I.D.C.R.
Pain Neurosensory Mechanism Branch
Drug Discovery 

> ----------
> From: 	Myri37@aol.com
> Sent: 	Friday, May 27, 2005 3:46 AM
> To: 	histonet@pathology.swmed.edu
> Subject: 	[Histonet] substitute for xylene
> 
> Hello everyone
> 
> i have some samples made of polystyrene and i want to embed them in
> paraffin or MMA. But xylene and toluene attacks polystyrene. DO you Know
> another clearing agent to replace Xylene ?
> Thank you very much in advance.
> 
> Myriam baali
> natural implant
> 
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