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INTERNATIONAL SPACE STATION
EXPERIMENTS AND RESEARCHES

SCIENCE RESEARCH ON ISS RUSSIAN SEGMENT
BIOTECHNOLOGICAL EXPERIMENT
Generation II Astronaut (GTA) Project
PCG EXPERIMENT

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PCG experiment is included in the research program conducted onboard the ISS Russian Segment by spaceflight participant Richard Garriott within the framework of the GTA project.


USED SCIENCE HARDWARE:

  • SFP-PCG container
    is a lid-covered cylinder containing PCG test-tubes and the cooling capsule - the so-called "ice bag".
Bundled PCG test-tubes

PCG experiment uses about 1000 PCG test-tubes, each of which is filled with an individual nonpathogenic chemical substance. PCG test-tube is a sealed Tygon tube, each end of which is sealed by means of double thermal welding. PCG test-tubes are to be bundled, marked according to the test groups and frozen immediately after they are filled.

The "ice bag" cooling capsule

The PCG test-tubes are to be placed around the "ice bag" capsule. The capsule is a cylinder containing a material with phase transition (with melting point of minus 30° ).

USED FLIGHT HARDWARE:

  • Nikon D3 camera
    for taking accompanying pictures.

An experiment session calls for passive exposure of the container with biomaterials onboard ISS RS.

 

PURPOSE:

  • Comparing parameters of protein crystals obtained in zero-gravity with crystals obtained on Earth.
  • Obtaining protein crystals that are suitable for X-ray structure analysis.

OBJECTIVE:

Growing protein crystals on ISS RS.

EXPERIMENT RESULTS:

Protein crystals grown in microgravity, as well as accompanying photographic information on a flash memory card.

 

 

 

 

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