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Filtering by: Advisor Higley, Kathryn Remove constraint Advisor: Higley, Kathryn Advisor Higley, Kathryn Remove constraint Advisor: Higley, Kathryn Committee Member Hamby, David Remove constraint Committee Member: Hamby, David

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  • Beehive model creation for use in determining radiation dose to beeswax and bee larvae

    Creator:
    Jia, Junwei
    Abstract:
    Honeybees and honey combs are good indicators of environmental contamination and can be important for dose calculations. In the event of reactor accidents and nuclear weapon testing, the released radioactive materials are likely to be transported through various environmental pathways as well as by humans and animals, including bees. Due...
    Resource Type:
    Masters Thesis
    Full Text:
    . Abstract approved: ______________________________________________________ Kathryn A. Higley

  • Creation and Application of Voxelized Dosimetric Models : An Evaluation of Dose Conversion Factor in Apis Mellifera

    Creator:
    Gomez Fernandez, Mario Enrique
    Abstract:
    Over the past decade the International Commission on Radiological Protection has developed a comprehensive approach to environmental protection that includes the use of Reference Animals and Plants (RAPs) to assess radiological impacts on the environment. For the purposes of calculating radiation dose, the RAPs are approximated as simple shapes that...
    Resource Type:
    Masters Thesis
    Full Text:
    : _______________________________________________________________ Kathryn A. Higley Over the past decade the International Commission on Radiological

  • Analysis of Carbon-14 Transport from a Contaminated Groundwater Source

    Creator:
    Napier, Jonathan Bamberger
    Abstract:
    Radioecology observes the movement of radioactive isotopes throughout the environment. For radioecology, locations of study are limited to areas accidentally contaminated from a number of sources. The Chalk River Laboratories of Atomic Energy of Canada Limited have stored low level waste since the mid 1940s. In certain instances, the wastes...
    Resource Type:
    Dissertation
    Full Text:
    Abstract approved: Kathryn A, Higley Radioecology observes the movement of radioactive isotopes

  • Blood-based gene expression as a biodosimetry model for neuroblastoma patients treated with ¹³¹I-mIBG

    Creator:
    Edmondson, David A.
    Abstract:
    Internal dosimetry is challenging and relies on estimates using MIRD or ICRP biokinetic models. To address this, we looked at gene expression analysis in whole blood from radiotherapy patients. Patients with relapsed or refractory neuroblastoma who received ¹³¹I-mIBG at UCSF were used to correlate internal ionizing radiation (IR) dose with...
    Resource Type:
    Masters Thesis
    Full Text:
    : ______________________________________________________ Kathryn A. Higley Internal dosimetry is challenging and relies on estimates using MIRD or

  • Biological remediation strategy for immobilizing Ag-110m and Cs-134 in soils

    Creator:
    Whitlow, Jesse Lynn
    Abstract:
    After contamination of soil in Japan due to the Fukushima Daiichi accident, there has been an increased interest in remediation of radiologically contaminated land. This study investigated the efficacy of a new biological remediation technology developed by Earthfort, an Oregon based company to hold radionuclides at the soil surface. Cesium-134...
    Resource Type:
    Masters Thesis
    Full Text:
    : __________________________________________________________________ Kathryn A. Higley After contamination of soil in Japan due to the Fukushima Daiichi

  • Site specific reference person parameters and derived concentration standards for the Savannah River site

    Creator:
    Stone, Daniel K.
    Abstract:
    The U.S. Department of Energy (DOE) Order 458.1 states that the compliance with the DOE annual dose limit of 1 mSv (100 mrem) to a member of the public may be demonstrated by calculating dose to the maximally exposed individual (MEI) or to a representative person. Historically, the MEI concept...
    Resource Type:
    Masters Thesis
    Full Text:
    Concentration Standards for the Savannah River Site Abstract approved: Kathryn A. Higley

  • Medical radionuclides and their impurities in wastewater

    Creator:
    Hay, Tristan Ryan
    Abstract:
    NCRP report No.160 states that medical exposure increased to nearly half of the total radiation exposure of the U.S. population from all sources in 2006 (NCRP 2009). Part of this increase in exposure is due to the rise in nuclear medicine procedures. With this observed growth in medical radionuclide usage,...
    Resource Type:
    Dissertation
    Full Text:
    : Kathryn A. Higley NCRP report No.160 states that medical exposure increased to nearly half of the

  • Foliar interception and uptake of ³⁶Cl by crops

    Creator:
    Bytwerk, David Paul
    Abstract:
    Greenhouse studies were conducted to determine interception, absorption, and translocation values for foliar applied ³⁶Cl. Foliar interception and uptake of contaminated irrigation water by crops is a major pathway for the transport of radionuclides to human beings in scenarios relevant to the waste disposal community. Performance assessments of many repositories...
    Resource Type:
    Dissertation
    Full Text:
    Crops Abstract approved: Kathryn Higley Greenhouse studies were conducted to determine

  • An allometric examination of the relationship between radiosensitivity and mass

    Creator:
    Bytwerk, David Paul
    Abstract:
    The results of a review of six decades of existing literature for 50% lethal dose data across a range of phyla are presented. The collected 50% lethal dose data is limited to adult organisms subjected to acute doses of gamma radiation. The data collected is examined to determine whether useful...
    Resource Type:
    Masters Thesis
    Full Text:
    Between Radiosensitivity and Mass Abstract approved: Kathryn Higley The results of a review of