Hello, What species and how long are you fixing? Paula
----- Original Message ---- From: Ben Spirto <[EMAIL PROTECTED]> To: Histonet@lists.utsouthwestern.edu Sent: Monday, September 29, 2008 1:01:01 PM Subject: [Histonet] 4% Paraformaldehide 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? _______________________________________________ Histonet mailing list Histonet@lists.utsouthwestern.edu http://lists.utsouthwestern.edu/mailman/listinfo/histonet _______________________________________________ Histonet mailing list Histonet@lists.utsouthwestern.edu http://lists.utsouthwestern.edu/mailman/listinfo/histonet