alpha-Crustacyanin, the lobster carapace astaxanthin-protein, was crystallized using the European Space Agency's (ESA) automated Protein Crystallization Facility (PCF) which flew onboard the unmanned EUropean REtrievable CArrier (EURECA). A free interface linear, liquid - liquid diffusion, method was used. Crystals grew larger and thicker in the microgravity case compared to the biggest crystals grown on earth. Video observation on EURECA revealed variations in crystal sizes through-out the reactor neatly correlated with depletion of this coloured protein from the solution. The video observations most importantly revealed no visible movement of crystals over the initial 7 weeks of the experiment, although an obvious temperature induced jump occurred at that time in a mission spanning 11 months. An important observation from this mission, over the first 7 weeks, of completely stationary crystal growth contrasts with crystal motions viewed on manned microgravity missions, even using linear liquid - liquid geometries, and much shorter flights (eg. 12 to 16 days).


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    Titel :

    Microgravity Crystallization of Alpha-Crustacyanin Onboard the Unmanned Carrier, EURECA


    Beteiligte:
    Boggon, T. J. (Autor:in) / Snell, E. H. (Autor:in) / Helliwell, J. R. (Autor:in) / Chayen, N. E. (Autor:in) / Zagalsky, P. F. (Autor:in)

    Erscheinungsdatum :

    1998-01-01


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Crystallisation of -Crustacyanin, The Lobster Carapace Astaxanthin-Protein: Results From EURECA

    Zagalsky, P. F. / Wright, C. E. / Parsons, M. et al. | British Library Conference Proceedings | 1995



    European retrievable carrier EURECA

    Seibert, G. | Online Contents | 1984


    Eureca-1, Preliminary Results of Its Microgravity Payload

    Innocenti, L. / Mesland, D. / AIAA | British Library Conference Proceedings | 1994