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With the advent of 'courier crystallography', the safe and reliable transportation of cryo-cooled crystals in dry Dewars has become an important factor in the outcome of an experiment. The results of measurements of the long-term temperature characteristics of a dry Dewar are presented, together with the variation in properties of a 'cryo-vial', a 'kryo-vial' and a Rigaku MSC ACTOR 'puck'. The short-term effects of removing and replacing the top-hat ('cryo-cap') holder from the Dewar have also been investigated, and the implications for best practice on synchrotron trips are discussed. © 2004 International Union of Crystallography Printed in Great Britain - all rights reserved.

Original publication




Journal article


Journal of Applied Crystallography

Publication Date





1000 - 1003