Global ETD Search
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Showing 1 to 7 of 7 for “"HZE"”.
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Effects of HZE Irradiation on Chemical Neurotransmission in Rodent Hippocampus
… during space missions. Most harmful are the HZE (high mass, highly charged (Z), high energy) particles, e.g. <sup>56</sup>Fe, which possess high ionizing ability, dense energy deposition pattern, and high penetrance.</p> <p>Accumulating evidence suggests that radiation has significant impact …
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An Integrated Omics Approach to Define the Molecular Mechanisms of Low Dose, High Charge, High Energy Irradiation (HZE) in Liver
… helium (14%), and high charge-high energy ions (HZE) such as 56Fe, 28Si, and 16O. Humans are normally not exposed to HZE ions but will be exposed during deep space travel such as upcoming missions to Mars and the dark side of the moon. Exposure to HZE is a major risk factor for astronauts due to …
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Efficient Identification and Comprehension of Molecular Pathways Associated with Irradiation Induced Hepatic Carcinogenesis
… biological effects of high-charge, high energy (HZE) and low energy 137Cs γ rays, which are the major components of space irradiation on the human body during longer stay in deep space, including a mission to Mars. It has been shown that there is a significant increase in incidence of …
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Simulating Space Radiation for Testing Shielding Material Effectiveness
… consist primarily of protons and heavier (HZE) ions. NASA has developed a radiation protection strategy to limit risks that includes the use of countermeasures such as shielding. A correct risk assessment relies on an accurate evaluation of the shielding effects of spacecraft structures on …
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Dosimetry of High-Energy Heavy-Ion Beams Using Energy-Dependent Green's Functions
… of the transport of high-charge and high-energy (HZE) ion bombardment of biological tissue is developed. The energy-dependent Green’s functions and particle fluxes are obtained for two boundary distributions - the monoenergetic and the Gaussian. Approximate energy-dependent Green’s functions for …
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The Straggling Green's Function Method for Ion Transport
… on developing a concise theory and method for HZE ion transport capable of being validated in the laboratory. Previous attempts have ignored dispersion and energy downshift associated with nuclear fragmentation and energy and range straggling. Here we present a Green's function approach to ion …
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MICROGRAVITY NEGATIVELY AFFECTS DNA DAMAGE REPAIR AND THE ANTI-LEUKEMIC FUNCTION OF HUMAN NATURAL KILLER CELLS
… of SEPs) and high atomic number and energy (HZE) ions (the high-energy nuclei component of GCR) induces DNA damage, alters HSC function/differentiative capacity, and triggers leukemogenesis when these cells repopulate murine hosts. Importantly, astronaut on missions beyond low-Earth orbit are …