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MOSFET dosimetry mission inside the ISS as part of the Matroshka-R experiment

Hallil, A., et al. (2010). "MOSFET dosimetry mission inside the ISS as part of the Matroshka-R experiment." Radiat Prot Dosimetry 138 4: 295-309

Radiation measurements of surface and deep organ doses were performed aboard the International Space Station, for the period of January 2006 to April 2007, using a MOSFET dosimetry system combined with the Matroshka-R spherical phantom. The averaged internal and surface dose rates are found to be 0.19 and 0.29 mGy d(-1), respectively. The levels of radiation dose to blood-forming organs (BFO) and to surface organs are compared with recommended safe limits. The maximum measured BFO dose has an average dose rate of 0.23 mGy d(-1) (84 mGy y(-1)), corresponding to 44 % of the recommended annual limit of 0.5 Sv, for a space radiation quality factor of 2.6. The annual surface dose is found to be higher at 126 mGy, corresponding to 16 % of the eye dose limit and to 11 % of the skin dose limit. Doses calculated using the Spenvis software showed deviations of up to 37 % from measurements.

Related URLs:
http://www.ncbi.nlm.nih.gov/pubmed/19933696

ISSN: 1742-3406 (Electronic) 0144-8420 (Linking)

DOI: 10.1093/rpd/ncp265

Accession Number: 19933696

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Tags: Body Burden, Eye, Humans, Imaging, International Space Station, ISS, MOSFET, Occupational Exposure, Organ dose equivalent, Phantoms, Radiation effects, Radiometry, Skin, Space Flight