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Background study of absorbed dose in biological experiments at the Modane Underground Laboratory

hal.structure.identifierLaboratoire de Physique Corpusculaire - Clermont-Ferrand [LPC]
dc.contributor.authorLAMPE, Nathanael
hal.structure.identifierLaboratoire de Physique Corpusculaire - Clermont-Ferrand [LPC]
dc.contributor.authorMARIN, Pierre
hal.structure.identifierLaboratoire de Physique Corpusculaire - Clermont-Ferrand [LPC]
dc.contributor.authorCASTOR, Jean
hal.structure.identifierLaboratoire Souterrain de Modane [LSM - UMR 6417]
dc.contributor.authorWAROT, Guillaume
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorINCERTI, S.
hal.structure.identifierLaboratoire de Physique Corpusculaire - Clermont-Ferrand [LPC]
dc.contributor.authorMAIGNE, Lydia
hal.structure.identifierLaboratoire de Physique Corpusculaire - Clermont-Ferrand [LPC]
dc.contributor.authorSARRAMIA, David
hal.structure.identifierLaboratoire de Physique Corpusculaire - Clermont-Ferrand [LPC]
dc.contributor.authorBRETON, Vincent
dc.date.issued2016
dc.date.conference2015-11-09
dc.description.abstractEnAiming to explore how biological systems respond to ultra-low background environ-ments, we report here our background studies for biological experiments in the Modane Under-ground Laboratory. We find that the minimum radioactive background for biology experiments is limited by the potassium content of the biological sample itself, coming from its nutritive me-dium, which we find in our experimental set-up to be 26 nGy hr-1. Compared to our reference radiation environment in Clermont-Ferrand, biological experiments can be conducted in the Modane laboratory with a radiation background 8.2 times lower than the reference above-ground level. As the radiation background may be further reduced by using different nutritive media, we also provide measurements of the potassium concentration by gamma spectroscopy of yeast extract (63.3±1.2 mg g-1) and tryptone (2.5±0.2 mg g-1) in order to guide media selection in future experiments.
dc.language.isoen
dc.source.titleEPJ Web Conf.
dc.title.enBackground study of absorbed dose in biological experiments at the Modane Underground Laboratory
dc.typeCommunication dans un congrès
dc.identifier.doi10.1051/epjconf/201612400006
dc.subject.halPhysique [physics]
bordeaux.page00006
bordeaux.volume124
bordeaux.countryFR
bordeaux.title.proceedingEPJ Web Conf.
bordeaux.conference.cityBordeaux
bordeaux.peerReviewednon
hal.identifierhal-01990723
hal.version1
hal.invitednon
hal.proceedingsoui
hal.conference.end2015-11-10
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01990723v1
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