I dare say indefinitely. Your crystal life expectancy drops rapidly though with somebody not remembering to fill up the dewar. Transferring crystals to pucks etc. is another problem. I had some crystals which I could not remember what they were (label broke off the cane) and we simply reshoot them after >1 year and figured out it was the usual suspect from the cell dimensions.
Jürgen On May 22, 2013, at 8:38 AM, Careina Edgooms wrote: Hi Does anybody know how long one could store a crystal in liquid nitrogen for before it will no longer diffract well? I'm talking in the order of weeks to months... careina ...................... Jürgen Bosch Johns Hopkins University Bloomberg School of Public Health Department of Biochemistry & Molecular Biology Johns Hopkins Malaria Research Institute 615 North Wolfe Street, W8708 Baltimore, MD 21205 Office: +1-410-614-4742 Lab: +1-410-614-4894 Fax: +1-410-955-2926 http://lupo.jhsph.edu
