Feasibility study for the use of PADC as a radiation detector for living cell cultures

In the framework of an ESA project, a microbiological experiment in space is planned. In this experiment a cell culture will be exposed to cosmic radiation onboard a spacecraft. Because the living cell culture will be directly on a nuclear track detector stack, this detector will be submitted to a d...

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Bibliographic Details
Published in:Radiation measurements 1999, Vol.31 (1), p.471-474
Main Authors: Meesen, G., Poffijn, A., Van Gestel, S., Van Oostveldt, P.
Format: Article
Language:English
Subjects:
Americium
biological conditions
Cell culture
Cosmic rays
Dosimetry
Earth sciences
Earth, ocean, space
Exact sciences and technology
Geochronology
Irradiation
Isotope geochemistry. Geochronology
PADC
Solar radiation
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Summary:In the framework of an ESA project, a microbiological experiment in space is planned. In this experiment a cell culture will be exposed to cosmic radiation onboard a spacecraft. Because the living cell culture will be directly on a nuclear track detector stack, this detector will be submitted to a different environment than normally used. The temperature will be 37°C and the culture will be in a biological growth medium. Tests have been conducted to assess the possible use of PADC in these conditions. For this, a series of alpha irradiated detectors have been exposed for different periods of time (up to 1 month) to these ‘biological’ conditions. The radiological properties as well as the mechanical properties (swelling…) have been investigated. Results show no influence of the biological environment on the PADC, which makes it useable under these circumstances.
ISSN:1350-4487
1879-0925
DOI:10.1016/S1350-4487(99)00196-1