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HANGING DROP [1 record]

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Record 1 2003-03-26

English

Subject field(s)
  • Physics of Solids
  • Research Experiments in Space
CONT

The Vapor Diffusion Apparatus (VDA-2) uses the "hanging drop" method often used on Earth to crystallize proteins. The method is quite simple. Proteins are mixed into a solution that makes them grow - the precipitant solution - and squeezed onto the tip of a syringe. While exposed to the air part of the liquid evaporates, the concentration rises, and crystals form.

French

Domaine(s)
  • Physique des solides
  • Travaux de recherche dans l'espace
CONT

La plupart des expériences de cristallisation de protéines au sol sont réalisées à l'aide de la méthode de cristallisation en goutte suspendue et de grandes matrices. Cette méthode est difficile à reproduire dans une installation spatiale et, vu les restrictions sur le plan de la masse et du volume, la plupart des expériences spatiales ont donc recours à de plus petites matrices que celles normalement utilisées sur Terre.

Spanish

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