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Creator:: Nes, Elena M.
Abstract:: In radiation therapy it is very important to accurately measure the amount of radiation delivered. The effectiveness of the treatment depends on delivering the dose with an accuracy of 5% or better. The dosimetry in different clinics must also be consistent. For these reasons national and international calibration protocols have...
Resource Type:: Masters Thesis
Full Text:: Privacy ACKNOWLEDGMENTS First of all, I would like to thank my co-major professor, Dr. Steven R. Reese

Creator:: Petrocchi, Michael D.
Abstract:: The use of medical diagnostic imaging involving ionizing radiation has drastically increased in recent years causing concern about possible long term consequences such as the induction of cancer. Recognizing this recent trend, the Institutional Review Board (IRB) at the Nebraska Medical Center commissioned this study in order to determine effective...
Resource Type:: Masters Thesis
Full Text:: to a particular mass and has units in rad or gray. This absorbed dose can then be multiplied by a

Creator:: Povetko, Oleg G.
Abstract:: In order to determine the physical location of contaminants in soil, two solidified soil "thin" sections, which preserve the undisturbed structural characteristics of the original soil, containing weapons-grade plutonium from the Rocky Flats Environmental Test Site were prepared. Two autoradiographic methods were used in radionuclide mapping: contact autoradiography using CR-39®...
Resource Type:: Dissertation
Full Text:: Higginbotham, David Pratt, Kathy Brock, Art Hall, Gary Wachs, Michael Conrady, Steven Reese, Erwin Schutfort

Creator:: Potter, Nathan Kent
Abstract:: The goal of the project was to develop a functional prototype of an environmental risk assessment parameter database on the World-Wide Web. The ability to develop a consolidated environmental database has become possible due to the phenomenal growth of the Internet and the World-Wide Web over the past few years....
Resource Type:: Masters Thesis
Full Text:: faculty and staff of the Radiation Center, including Dr. Brian Dodd, Dr. John Ring le, Dr. Steven Binney

Creator:: Hart, Kevin G.
Abstract:: Accurate quantification of radionuclides detected during a scanning survey relies on an appropriately determined scan efficiency calibration factor (SECF). Traditionally, instrument efficiency was determined from a fixed instrument to source geometry. However, as is often the case, the instrument is used in a scanning mode where the source to instrument...
Resource Type:: Masters Thesis

Creator:: Liu, Ruirui
Abstract:: Mathematical modeling plays a pivotal role in understanding the mechanism of radiation-induced cellular effects, and also in quantifying the radiation risk to the cell. However, there are still compelling challenges facing the conventional modeling in radiobiology, such as lacking a generalized theory structure of quantifying target effect and non-target effect...
Resource Type:: Dissertation
Full Text:: dissertation defense. I also would like to thank the faculty members, Dr. Alena Paulenova, Dr. Steven Reese

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