Results 151 to 160 of about 2,193 (191)

Microdosimetry in Radioimmunotherapy

Radiation Protection Dosimetry, 1990
Abstract Antibodies are rapidly being developed which target radionuclides to tumour tissue. The MIRD formulation to calculate absorbed dose from internal emitters has limitations in radiation targeted therapy because of the heterogeneity of antibody distribution through the tumour.
J.L. Humm, L.M. Chin, L. Cobb, R. Begent
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Microdosimetry of Internal Sources

Radiation Research, 1977
ROESCH, W. C. Microdosimetry of Internal Sources. Radiat. Res. 70, 494-510 (1977). Microdosimetry has been limited to irradiations characterized by uniform probabilities of charged-particle production. New methods are presented here for dealing with particles emitted by radionuclides embedded in the irradiated medium; these particles seldom emerge ...
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Microdosimetry of Plutonium in Lungs

Health Physics, 1983
Chord length distributions for alveolar cells and cell nuclei were determined by superimposing computer-generated alpha-particle tracks on magnified images of randomly selected rat lung sections using the Quantitative Television Microscope. Specific energy distributions were then calculated by applying image analysis techniques.
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The role of microdosimetry in radiobiology

Radiation and Environmental Biophysics, 1979
Microdosimetry is a branch of radiological physics that provides quantitative characterization of the non-uniformity of energy deposition in uniformly irradiated matter. Consideration based on microdosimetry indicate that the action of ionizing radiation on the cells of higher organisms depends on the square of the specific energy absorbed in ...
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Microelectronics and microdosimetry

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 1987
The dimensions of electronic components have been steadily decreasing until radiation-sensitive sites are now at the micrometer level. Reduced size generally has corresponded to improved performance and increased computing speed; however, it also resulted in an unanticipated increase in vulnerability to radiation.
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Microdosimetry of Negative Pions at LAMPF

Radiology, 1975
Lineal energy distributions and linear energy transfer (LET) spectra are being measured at the biomedical facility of the Los Alamos Scientific Laboratory for a negative pion beam having an initial momentum of 168 MeV/c. The results show that the fraction of the dose for lineal energies greater than 50 keV/mum is approximately 2% in the plateau and ...
H I, Amols, J F, Dicello, T F, Lane, G W, Pfeufer, J A, Helland, H B, Knowles   +5 more
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Microdosimetry of Alpha-irradiated Lung

Health Physics, 1984
Measurements have been made on the fractions of tissue affected and distributions of energy deposited when rat and human lung are irradiated by alpha particles. Thin sections of alveolar tissue were examined in an image analyser and an imaginary 239PuO2 particle was placed in an alveolar sac.
J A, Simmons, S R, Richards
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Microdosimetry

International Journal of Radiation Biology and Related Studies in Physics, Chemistry and Medicine, 1970
V G, Balamutov, P N, Belonofiĭ, V G, Videnskiĭ, V I, Ivanov, B M, Isaev, V G, Kolotilova, A N, Krongauz   +6 more
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Proton Microdosimetry

Radiology, 1969
J W, Hilbert, N A, Baily
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Microdosimetry of internally deposited radionuclides

The International Journal of Applied Radiation and Isotopes, 1982
Microdosimetry uses the physical interaction of ionization events with cellular targets and the modification of the direct effects by biological processes to explain the effects of radiation. Knowledge of sensitive sites inside cells, of microscopic distributions of internally deposited radionuclides, and distribution of energy deposition contribute to
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