*** For details on how to be removed from this list visit the *** *** CCP4 home page http://www.ccp4.ac.uk *** Hi Ambrose, In answer to the original question- you can mount the crystals in glass capillaries like for normal data collection and then carry them taped up in a petri dish (possibly hidden in your pocket- no metal, no problem). I know it's not ideal, but hey. Cheers. Julian