RE: [Histonet] PFA/sucrose cryopreservation of endogenous YFP signal

2009-02-03 Thread Jo Dee Fish
Hi Scott, "slowly freezing on dry ice" may be your problem. In my honest opinion, you need to freeze faster. Try a different method, such as cooled isopentane, either with LN2 (coolest method) or dry ice. You should get better results when you freeze them faster or colder. Good luck, Jo Dee ~~

[Histonet] PFA/sucrose cryopreservation of endogenous YFP signal

2009-02-03 Thread Scott S
Hi everyone... been having some trouble lately with my cryopreservation. Tissue looks grossly fine before embedding in OCT but then when I cut sections on the crystat the architecture is totally disrupted with a lot of space in between cells. It almost looks like the cells have become so shrunken a