I have not heard of anyone checking for suitable cryo in that fashion how fast can you do it before it is affected by room temp and how would you know about the ice rings, but when you have crystal(s) and not crystal you can freeze different ones in several different cryos (sugars, glycerol etc) and take them with you to the trip. good luck! -- Karthik
Graduate Student-Biophysics University of Michigan Ann Arbor, MI 48109 karth...@umich.edu 734-763-3384 On Tue, Sep 22, 2009 at 4:24 AM, Claudia Scotti <claudiasco...@hotmail.com>wrote: > > Dear List, > > Sorry for the probably silly question. > > Any suggestions to test cryoconditions without X-rays or cryostream? > > I'd need to freeze crystals before going to ESRF and I'm a bit anxious. Is > it enough to try to freeze the cryoconditions in liquid nitrogen checking > under the microscope (or by eye) or is this still risky? > > Thanks, > > Claudia > > > > Claudia Scotti Dipartimento di Medicina Sperimentale Sezione di Patologia > Generale Universita' di Pavia Piazza Botta, 10 27100 Pavia Italia Tel. 0039 > 0382 986335/8/1 Facs 0039 0382 303673 > > > > ------------------------------ > With Windows Live, you can organize, edit, and share your > photos.<http://www.microsoft.com/middleeast/windows/windowslive/products/photo-gallery-edit.aspx> >