Re: [Histonet] Problems with mouse brains

2009-04-06 Thread Geoff McAuliffe
Hi Julie: You mentioned that you are buying your fixative from a commercial supplier but that My first thought is that there was difference in formalin... but that is not the case. How do you know? You did not make the fixative solution so you really have no idea. Not to berate Fisher

Re: [Histonet] Problems with mouse brains

2009-04-05 Thread Ana Resendes
] Problems with mouse brains have very light HE staining: first you should check if either your eosin or haematoxilin are over used nuclear bubbling: can be a lot of things but can be inclusion. Brain sections are big so make at least a 24 h inclusion process. and extensive tissue cracking: could

Re: [Histonet] Problems with mouse brains

2009-04-04 Thread Ana Resendes
2009/4/3 Randolph-Habecker, Julie jhabe...@fhcrc.org Folks, I need some input on a problem we're seeing with some mouse brain samples. The samples are from new born mice P0 to P14 which have been fixed in 10% NBF (Fisher brand and well within expiration date) for 72 hours. They are then

[Histonet] Problems with mouse brains

2009-04-03 Thread Randolph-Habecker, Julie
Folks, I need some input on a problem we're seeing with some mouse brain samples. The samples are from new born mice P0 to P14 which have been fixed in 10% NBF (Fisher brand and well within expiration date) for 72 hours. They are then transferred to 70% etoh and processed on an 8 hour process.