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Hi folks, I have recently received a comment on a paper, in which referee #1 (excellent referee, btw!) commented like this: "crystals were vitrified rather than frozen." These were crystals grew in ca. 2.5 M sodium malonate, directly dip in liquid nitrogen prior to data collection at 100 K. We stated in the methods section that crystals were "frozen in liquid nitrogen", as I always did. After a little googling it looks like I've always been wrong, and what we are always doing is doing is actually vitrifying the crystals. Should I always use this statement, from now on, or are there english/physics subtleties that I'm not grasping? Thanks a lot, ciao, s -- Sebastiano Pasqualato, PhD Crystallography Unit Department of Experimental Oncology European Institute of Oncology IFOM-IEO Campus via Adamello, 16 20139 - Milano Italy tel +39 02 9437 5167 fax +39 02 9437 5990 please note the change in email address! [log in to unmask]