Liquid nitrogen cryospray for biological applications

  • Franck Felisaz
  • , Ricardo Steinmann
  • , Andrew Thompson
  • , Vivian Stojanoff

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

One of the methods to study three-dimensional protein structures is via X-ray diffraction techniques. Radiation damage produced by the interaction of X-rays with the sample can be reduced by soaking the protein crystals in cryoprotectants and freezing them at liquid nitrogen temperature. The perfection of the frozen crystals depends critically on the choice of cryoprotectant, and the rate of freezing. We have developed a device to produce a fine spray of liquid-nitrogen droplets smaller than 10 μm in order to increase the rate of freezing.

Original languageEnglish
Pages (from-to)2047-2048
Number of pages2
JournalPhysica B: Condensed Matter
Volume284-288
Issue numberPART II
DOIs
StatePublished - 2000
Externally publishedYes

Keywords

  • Cryogenic instrumentation
  • Cryoprotection
  • Nitrogen cryo spray
  • Protein structure

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