Re: [Histonet] Fixation of embryos

2009-08-10 Thread Rene J Buesa
Use Bouin's fixative. René J. --- On Mon, 8/10/09, Cheryl Crowder wrote: From: Cheryl Crowder Subject: [Histonet] Fixation of embryos To: "Histonet" Date: Monday, August 10, 2009, 11:27 AM Hello - A researcher is fixing 7-21 day old chicken embryos in 10% NBF.  After proc

Re: [Histonet] Fixation of embryos

2009-08-10 Thread Geoff McAuliffe
If the G in 4F1G is glutaraldehyde the glut. will probably kill off the immunoreactivity (depending on the antigen in question). How long are the embryos being fixed? Remember, formalin works slowly so 5-7 days may be necessary.- I would try a formalin + alcohol mix or formalin-alcohol-acetic ac

[Histonet] Fixation of embryos

2009-08-10 Thread Cheryl Crowder
Hello - A researcher is fixing 7-21 day old chicken embryos in 10% NBF. After processing they are mushy and almost amorphous. Has anyone any suggestions for a fixative that will give the embryos more form and still have the tissue capable of doing IHC? I had thought of 4F1G. Any help is re