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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 82 for “"Neutron Capture"”.
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Computer simulation of neutron capture therapy.
… computer the production and use of reactor neutron beams f or boron capture therapy of brain tumors. The simulation accounts for radiation dose distributions in tissue produced by fast neutrons and by neutron capture reaction products such as gamma rays, C -particles, protons, and heavy …
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Accelerator-based boron neutron capture therapy
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 1997.
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Boron neutron capture therapy treatment planning improvements
The Boron Neutron Capture Therapy (BNCT) treatment planning process of the Harvard/MIT team used for their clinical Phase I trials is very time consuming. If BNCT proves to be a successful treatment, this process must be made more efficient. Since the Monte Carlo treatment planning calculations …
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Determination of thermal neutron capture gamma yields.
A method of analysing Ge(Li) thermal neutron capture gamma spectra to obtain total gamma yields has been developed. Tie method determines both the yields from the well resolved gamma peaks in a spectrum as well as the gamma yields from the unresolved gamma lines which appear in the continuum …
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Hypoxia-selective compounds for boron neutron capture therapy
Boron neutron capture therapy (BNCT) is a biochemically targeted form of radiotherapy for cancer. In BNCT, a compound labeled with the stable isotope boron-10 is systemically administered, and tumor cells selectively uptake the boron-10 containing compound at higher concentrations than normal …
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Computational aspects of treatment planning for neutron capture therapy
Boron Neutron Capture Therapy (BNCT) is a biochemically targeted form of binary radiation therapy that has the potential to deliver radiation to cancers with cellular dose selectivity. Accurate and efficient treatment planning calculations are essential to maximizing the efficacy of BNCT and …
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Biological dosimetry of neutron beams for neutron capture therapies
Boron neutron capture therapies using the 10B(n,a)7Li reaction have been proposed as treatments for glioblastoma multiforme, metastatic melanoma, rheumatoid arthritis, and other debilitating conditions. This thesis presents the first combined biological and physical dosimetry interbeam comparison …
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High-power target development for accelerator-based neutron capture therapy
… sufficient dose rates in Accelerator-based Neutron Capture Therapies (ABNCT) requires targets that can withstand ion beams of 2-10 kW or higher. Designing such a target requires knowledge of the current density profile which can exceed 1 mA/cm². A method has been developed to quantify the …
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Radiobiology of normal rat lung in Boron Neutron Capture Therapy
Boron Neutron Capture Therapy (BNCT) is a binary cancer radiation therapy that utilizes biochemical tumor cell targeting and provides a mixed field of high and low Linear Energy Transfer (LET) radiation with differing biological effectiveness. This project investigated the radiobiology of normal …
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Efficacy of boron neutron capture synovectomy in an animal model
Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1999.
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Investigation of elemental analysis using neutron-capture gamma ray spectra.
Massachusetts Institute of Technology. Dept. of Nuclear Engineering. Thesis. 1969. Ph.D.
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Measurement of parity violation in thermal neutron capture on a proton
… asymmetry in the emission of gamma rays from the capture of cold neutrons on protons. The asymmetry can be related in a straightforward way to effective couplings within an appropriate NN weak interaction theory, such as chiral perturbation based effective field theories.</p><p>Since this is a …
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Microdosimetric studies for neutron capture therapy and techniques for capture element selection
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1995.
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Radiobiological evaluation of new boron delivery agents for boron neutron capture therapy
… (BOPP) and two liposome formulations for neutron capture therapy (BNCT). The methodology utilizes in vitro and in vivo comparisons that characterize compounds relative to boric acid and boronophenylalanine (BPA). In vitro evaluations utilized a colorimetric assay and 96-well plates to …
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Engineering design of a fission converter-based epithermal beam for neutron capture therapy
… high intensity and low contamination epithermal neutron beams, for boron neutron capture therapy research and for routine treatment if this becomes a successful modality for treating cancers. A fission converter based design for high performance epithermal neutron beam was developed at the …
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Neutronic design of a fission converter-based ephithermal beam for neutron capture theory
Thesis (Nucl. E.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1996.
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Medical room design for a fission converter-based boron neutron capture therapy facility
… of a shielded medical room to be used in Boron Neutron Capture Therapy was developed. The design included analytical shielding calculations, computational methods using the Monte Carlo N-particle transport code, and experimental measurements using the current medical room. The design included …
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Measurement of sin² 2[theta]₁₃ using delayed neutron capture on hydrogen in Double CHOOZ
… of a prompt positron followed by a delayed neutron capture on gadolinium. The delayed neutron capture releases 8 MeV of energy from multiple gamma rays and is easily distinguished from natural radioactive backgrounds. While delayed neutron capture on gadolinium is used in all the …
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Neutron dosimetry, moderated energy spectrum, and neutron capture therapy for ²⁵{45}R²Cf medical sources
Examination of neutron dosimetry for 252Cf has been conducted using calculative and experimental means. Monte Carlo N-ParticIe (MCNP) transport code was used in a distributed computing environment as a parallel virtual machine (PVM) to determine the absorbed neutron dose and neutron energy spectrum …
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